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{"parentUuid":"8590ad2c-4a99-43ba-9baf-a94c45de3ff8","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01P9hFUEZ1cp3NUqTqJk7Bnm","type":"tool_result","content":"   289→      private def parse_alias(user_id : String, args : String) : Command\n   290→        parts = args.strip.split(/\\s+/, 2)\n   291→        if parts.empty? || parts[0].empty? || parts[0] == \"list\"\n   292→          ListAliasesCommand.new(user_id)\n   293→        elsif parts[0] == \"remove\" && parts.size > 1\n   294→          RemoveAliasCommand.new(user_id, parts[1])\n   295→        elsif parts.size == 1\n   296→          GetAliasCommand.new(user_id, parts[0])\n   297→        else\n   298→          SetAliasCommand.new(user_id, parts[0], parts[1])\n   299→        end\n   300→      end\n   301→\n   302→      private def parse_reminder_in(user_id : String, args : String, ctx : CommandContext?) : Command\n   303→        parts = args.split(' ', limit: 2)\n   304→        if parts.size >= 2\n   305→          duration = parts[0]\n   306→          message = parts[1]\n   307→          channel_id = ctx.try(&.channel_id) || \"\"\n   308→          platform_user_id = ctx.try(&.platform_user_id) || \"\"\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"51004a23-ec5a-475d-9395-25a73f7b694d","timestamp":"2026-02-07T21:30:52.641Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/discord-bot/lib/josie-health-bot-core/src/command_parser.cr","content":"      private def parse_alias(user_id : String, args : String) : Command\n        parts = args.strip.split(/\\s+/, 2)\n        if parts.empty? || parts[0].empty? || parts[0] == \"list\"\n          ListAliasesCommand.new(user_id)\n        elsif parts[0] == \"remove\" && parts.size > 1\n          RemoveAliasCommand.new(user_id, parts[1])\n        elsif parts.size == 1\n          GetAliasCommand.new(user_id, parts[0])\n        else\n          SetAliasCommand.new(user_id, parts[0], parts[1])\n        end\n      end\n\n      private def parse_reminder_in(user_id : String, args : String, ctx : CommandContext?) : Command\n        parts = args.split(' ', limit: 2)\n        if parts.size >= 2\n          duration = parts[0]\n          message = parts[1]\n          channel_id = ctx.try(&.channel_id) || \"\"\n          platform_user_id = ctx.try(&.platform_user_id) || \"\"","numLines":20,"startLine":289,"totalLines":369}},"sourceToolAssistantUUID":"8590ad2c-4a99-43ba-9baf-a94c45de3ff8"}
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{"parentUuid":"aadfec2b-8352-42d7-8c00-a7b095fc2509","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_0172C8pi32BLXNQ4bNJTRis8","toolUseID":"toolu_0172C8pi32BLXNQ4bNJTRis8","timestamp":"2026-02-07T21:30:53.157Z","uuid":"09cbd8d6-859c-46eb-bcec-86cf9cc65170"}
{"parentUuid":"aca88fd9-e144-4f74-acc0-da246bbd0506","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0172C8pi32BLXNQ4bNJTRis8","type":"tool_result","content":"     1→require \"./base_handler\"\n     2→require \"../alias_parser\"\n     3→\n     4→module JosieHealth\n     5→  module BotCore\n     6→    class AliasHandler < BaseHandler\n     7→      def handle_get(cmd : GetAliasCommand) : Response\n     8→        if doses_string = @api.get_alias(cmd.user_id, cmd.alias_name)\n     9→          doses = AliasParser.parse_doses(doses_string)\n    10→          dose_summary = doses.map { |d| \"#{d[:amount]} #{d[:substance]} #{d[:route]}\" }.join(\"; \")\n    11→          Response.text(\"#{cmd.alias_name}: #{dose_summary}\", cmd.alias_name)\n    12→        else\n    13→          Response.error(\"Alias '#{cmd.alias_name}' not found. Use `;alias list` to see available aliases.\")\n    14→        end\n    15→      end\n    16→\n    17→      def handle_set(cmd : SetAliasCommand) : Response\n    18→        if cmd.alias_name.match(/^[0-9]/)\n    19→          return Response.error(\"Alias name cannot start with a number.\")\n    20→        end\n    21→        if cmd.alias_name.match(/[^a-zA-Z0-9_-]/)\n    22→          return Response.error(\"Alias name can only contain letters, numbers, underscores, and hyphens.\")\n    23→        end\n    24→\n    25→        begin\n    26→          doses = AliasParser.parse_doses(cmd.doses_string)\n    27→          if doses.empty?\n    28→            return Response.error(\"No valid doses found. Use format: `<amount> <substance> <route>; <amount> <substance> <route>`\")\n    29→          end\n    30→        rescue ex\n    31→          return Response.error(\"Error parsing doses: #{ex.message}\")\n    32→        end\n    33→\n    34→        if @api.set_alias(cmd.user_id, cmd.alias_name, cmd.doses_string)\n    35→          Response.success(\"Created alias '#{cmd.alias_name}' with #{doses.size} dose(s).\")\n    36→        else\n    37→          Response.error(\"Failed to create alias. Please try again.\")\n    38→        end\n    39→      end\n    40→\n    41→      def handle_list(cmd : ListAliasesCommand) : Response\n    42→        aliases = @api.get_user_aliases(cmd.user_id)\n    43→\n    44→        if aliases.empty?\n    45→          return Response.text(\"You have no aliases. Create one with: `;alias <name> <dose1>; <dose2>`\")\n    46→        end\n    47→\n    48→        items = aliases.map do |alias_name, doses_string|\n    49→          doses = AliasParser.parse_doses(doses_string)\n    50→          dose_summary = doses.map { |d| \"#{d[:amount]} #{d[:substance]} #{d[:route]}\" }.join(\"; \")\n    51→          \"#{alias_name}: #{dose_summary}\"\n    52→        end\n    53→\n    54→        Response.list(\"Your aliases\", items)\n    55→      end\n    56→\n    57→      def handle_remove(cmd : RemoveAliasCommand) : Response\n    58→        if @api.get_alias(cmd.user_id, cmd.alias_name).nil?\n    59→          return Response.error(\"Alias '#{cmd.alias_name}' not found.\")\n    60→        end\n    61→\n    62→        if @api.remove_alias(cmd.user_id, cmd.alias_name)\n    63→          Response.success(\"Removed alias '#{cmd.alias_name}'.\")\n    64→        else\n    65→          Response.error(\"Failed to remove alias. Please try again.\")\n    66→        end\n    67→      end\n    68→\n    69→      def execute_alias(user_id : String, alias_name : String) : Array(NamedTuple(amount: String, substance: String, route: String))?\n    70→        if doses_string = @api.get_alias(user_id, alias_name)\n    71→          AliasParser.parse_doses(doses_string)\n    72→        end\n    73→      end\n    74→    end\n    75→  end\n    76→end\n    77→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"65053233-ddcc-4a97-bd30-9c5195940c37","timestamp":"2026-02-07T21:30:53.156Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/discord-bot/lib/josie-health-bot-core/src/handlers/alias_handler.cr","content":"require \"./base_handler\"\nrequire \"../alias_parser\"\n\nmodule JosieHealth\n  module BotCore\n    class AliasHandler < BaseHandler\n      def handle_get(cmd : GetAliasCommand) : Response\n        if doses_string = @api.get_alias(cmd.user_id, cmd.alias_name)\n          doses = AliasParser.parse_doses(doses_string)\n          dose_summary = doses.map { |d| \"#{d[:amount]} #{d[:substance]} #{d[:route]}\" }.join(\"; \")\n          Response.text(\"#{cmd.alias_name}: #{dose_summary}\", cmd.alias_name)\n        else\n          Response.error(\"Alias '#{cmd.alias_name}' not found. Use `;alias list` to see available aliases.\")\n        end\n      end\n\n      def handle_set(cmd : SetAliasCommand) : Response\n        if cmd.alias_name.match(/^[0-9]/)\n          return Response.error(\"Alias name cannot start with a number.\")\n        end\n        if cmd.alias_name.match(/[^a-zA-Z0-9_-]/)\n          return Response.error(\"Alias name can only contain letters, numbers, underscores, and hyphens.\")\n        end\n\n        begin\n          doses = AliasParser.parse_doses(cmd.doses_string)\n          if doses.empty?\n            return Response.error(\"No valid doses found. Use format: `<amount> <substance> <route>; <amount> <substance> <route>`\")\n          end\n        rescue ex\n          return Response.error(\"Error parsing doses: #{ex.message}\")\n        end\n\n        if @api.set_alias(cmd.user_id, cmd.alias_name, cmd.doses_string)\n          Response.success(\"Created alias '#{cmd.alias_name}' with #{doses.size} dose(s).\")\n        else\n          Response.error(\"Failed to create alias. Please try again.\")\n        end\n      end\n\n      def handle_list(cmd : ListAliasesCommand) : Response\n        aliases = @api.get_user_aliases(cmd.user_id)\n\n        if aliases.empty?\n          return Response.text(\"You have no aliases. Create one with: `;alias <name> <dose1>; <dose2>`\")\n        end\n\n        items = aliases.map do |alias_name, doses_string|\n          doses = AliasParser.parse_doses(doses_string)\n          dose_summary = doses.map { |d| \"#{d[:amount]} #{d[:substance]} #{d[:route]}\" }.join(\"; \")\n          \"#{alias_name}: #{dose_summary}\"\n        end\n\n        Response.list(\"Your aliases\", items)\n      end\n\n      def handle_remove(cmd : RemoveAliasCommand) : Response\n        if @api.get_alias(cmd.user_id, cmd.alias_name).nil?\n          return Response.error(\"Alias '#{cmd.alias_name}' not found.\")\n        end\n\n        if @api.remove_alias(cmd.user_id, cmd.alias_name)\n          Response.success(\"Removed alias '#{cmd.alias_name}'.\")\n        else\n          Response.error(\"Failed to remove alias. Please try again.\")\n        end\n      end\n\n      def execute_alias(user_id : String, alias_name : String) : Array(NamedTuple(amount: String, substance: String, route: String))?\n        if doses_string = @api.get_alias(user_id, alias_name)\n          AliasParser.parse_doses(doses_string)\n        end\n      end\n    end\n  end\nend\n","numLines":77,"startLine":1,"totalLines":77}},"sourceToolAssistantUUID":"aca88fd9-e144-4f74-acc0-da246bbd0506"}
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{"parentUuid":"43ca164b-4a05-4638-8cdb-a625c04e903b","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013ZJVccGVy48DmjBEabLneA","type":"tool_result","content":"   295→        path = \"/v1/aliases/user/#{URI.encode_www_form(user_id)}\"\n   296→        response = @http.get(path)\n   297→        if response.status_code == 200\n   298→          if aliases = JSON.parse(response.body)[\"data\"]?.try(&.[\"aliases\"]?)\n   299→            result = {} of String => String\n   300→            aliases.as_h.each { |k, v| result[k] = v.as_s }\n   301→            return result\n   302→          end\n   303→        end\n   304→        {} of String => String\n   305→      rescue ex\n   306→        Log.error(\"APIClient\", \"get_user_aliases: #{ex.message}\")\n   307→        {} of String => String\n   308→      end\n   309→\n   310→      def remove_alias(user_id : String, alias_name : String) : Bool\n   311→        path = \"/v1/aliases/#{URI.encode_www_form(user_id)}/#{URI.encode_www_form(alias_name)}\"\n   312→        response = @http.delete(path)\n   313→        response.status_code == 200\n   314→      rescue ex\n   315→        Log.error(\"APIClient\", \"remove_alias: #{ex.message}\")\n   316→        false\n   317→      end\n   318→\n   319→      # Reminders\n   320→\n   321→      def create_reminder(user_id : String, message : String, trigger_time : Int64,\n   322→                          channel_id : String, discord_user_id : String,\n   323→                          callback_url : String, recurrence : String = \"\") : String?\n   324→        data = {\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"5a743e29-b1ab-4341-a0ed-c778d571b669","timestamp":"2026-02-07T21:30:53.989Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/discord-bot/lib/josie-health-bot-core/src/api_client.cr","content":"        path = \"/v1/aliases/user/#{URI.encode_www_form(user_id)}\"\n        response = @http.get(path)\n        if response.status_code == 200\n          if aliases = JSON.parse(response.body)[\"data\"]?.try(&.[\"aliases\"]?)\n            result = {} of String => String\n            aliases.as_h.each { |k, v| result[k] = v.as_s }\n            return result\n          end\n        end\n        {} of String => String\n      rescue ex\n        Log.error(\"APIClient\", \"get_user_aliases: #{ex.message}\")\n        {} of String => String\n      end\n\n      def remove_alias(user_id : String, alias_name : String) : Bool\n        path = \"/v1/aliases/#{URI.encode_www_form(user_id)}/#{URI.encode_www_form(alias_name)}\"\n        response = @http.delete(path)\n        response.status_code == 200\n      rescue ex\n        Log.error(\"APIClient\", \"remove_alias: #{ex.message}\")\n        false\n      end\n\n      # Reminders\n\n      def create_reminder(user_id : String, message : String, trigger_time : Int64,\n                          channel_id : String, discord_user_id : String,\n                          callback_url : String, recurrence : String = \"\") : String?\n        data = {","numLines":30,"startLine":295,"totalLines":509}},"sourceToolAssistantUUID":"43ca164b-4a05-4638-8cdb-a625c04e903b"}
{"parentUuid":"5a743e29-b1ab-4341-a0ed-c778d571b669","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_019cA9v7mbqEUyC5Xn3jbVBz","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The bot-core code looks correct. Let me check the API side more carefully - specifically the DELETE handler in the API's alias_handler and the router to see if DELETE requests are actually reaching the alias handler.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2794,"cache_read_input_tokens":51227,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2794},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRW5kBy5Er3VunoAr5","type":"assistant","uuid":"67145a4a-ec12-418d-b771-e8c4b07f5475","timestamp":"2026-02-07T21:30:57.768Z"}
{"parentUuid":"67145a4a-ec12-418d-b771-e8c4b07f5475","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_019cA9v7mbqEUyC5Xn3jbVBz","type":"message","role":"assistant","content":[{"type":"text","text":"Bot-core side looks fine. Let me check the API side -- the router and the alias handler's delete implementation."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2794,"cache_read_input_tokens":51227,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2794},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRW5kBy5Er3VunoAr5","type":"assistant","uuid":"bad6815a-4ecc-4e9c-a2e7-69014328df72","timestamp":"2026-02-07T21:30:58.521Z"}
{"parentUuid":"bad6815a-4ecc-4e9c-a2e7-69014328df72","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_019cA9v7mbqEUyC5Xn3jbVBz","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01DZPK51pUwrPAkmyMutnDQw","name":"Read","input":{"file_path":"/home/josie/development/personal/josiedot/health/services/core/src/handlers/alias_handler.cr"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2794,"cache_read_input_tokens":51227,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2794},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRW5kBy5Er3VunoAr5","type":"assistant","uuid":"5125a421-b8b7-4e5d-9262-a8673813e241","timestamp":"2026-02-07T21:30:59.191Z"}
{"parentUuid":"5125a421-b8b7-4e5d-9262-a8673813e241","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","parentToolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","uuid":"82d2751c-439f-4f1e-aba9-6479c860dcd3","timestamp":"2026-02-07T21:30:59.195Z"}
{"parentUuid":"82d2751c-439f-4f1e-aba9-6479c860dcd3","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","toolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","timestamp":"2026-02-07T21:30:59.251Z","uuid":"0ac6d191-49aa-459a-91a1-dbdbeafb0d93"}
{"parentUuid":"0ac6d191-49aa-459a-91a1-dbdbeafb0d93","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","toolUseID":"toolu_01DZPK51pUwrPAkmyMutnDQw","timestamp":"2026-02-07T21:30:59.251Z","uuid":"f6028fc5-5a4f-4ba0-b5ad-c02eab95c620"}
{"parentUuid":"5125a421-b8b7-4e5d-9262-a8673813e241","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01DZPK51pUwrPAkmyMutnDQw","type":"tool_result","content":"     1→require \"json\"\n     2→require \"../link_builder\"\n     3→\n     4→class AliasHandler\n     5→  def initialize(@redis_client : RedisClient)\n     6→  end\n     7→\n     8→  def handle(request : HTTP::Request, response : HTTP::Server::Response)\n     9→    case {request.method, request.path}\n    10→    when {\"POST\", \"/v1/aliases\"}\n    11→      handle_create(request, response)\n    12→    when {\"GET\", _}\n    13→      if request.path.starts_with?(\"/v1/aliases/user/\")\n    14→        handle_list(request, response)\n    15→      elsif request.path =~ /\\/v1\\/aliases\\/([^\\/]+)\\/(.+)/\n    16→        handle_get(request, response, $1, $2)\n    17→      else\n    18→        response.status_code = 404\n    19→        response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n    20→      end\n    21→    when {\"DELETE\", _}\n    22→      if request.path =~ /\\/v1\\/aliases\\/([^\\/]+)\\/(.+)/\n    23→        handle_delete(request, response, $1, $2)\n    24→      else\n    25→        response.status_code = 404\n    26→        response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n    27→      end\n    28→    else\n    29→      response.status_code = 404\n    30→      response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n    31→    end\n    32→  end\n    33→\n    34→  private def handle_create(request : HTTP::Request, response : HTTP::Server::Response)\n    35→    begin\n    36→      body = request.body.try(&.gets_to_end) || \"\"\n    37→      data = JSON.parse(body)\n    38→\n    39→      user_id = data[\"user_id\"]?.try(&.as_s)\n    40→      alias_name = data[\"alias_name\"]?.try(&.as_s)\n    41→      doses_string = data[\"doses_string\"]?.try(&.as_s)\n    42→\n    43→      unless user_id && alias_name && doses_string\n    44→        response.status_code = 400\n    45→        response.print({\"error\" => \"Missing required fields: user_id, alias_name, doses_string\"}.to_json)\n    46→        return\n    47→      end\n    48→\n    49→      @redis_client.set_alias(user_id, alias_name, doses_string)\n    50→\n    51→      response.status_code = 201\n    52→      response.print({\n    53→        \"data\" => {\n    54→          \"user_id\"      => user_id,\n    55→          \"alias_name\"   => alias_name,\n    56→          \"doses_string\" => doses_string,\n    57→        },\n    58→        \"_links\" => {\n    59→          \"self\"         => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n    60→          \"delete\"       => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n    61→          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n    62→        },\n    63→      }.to_json)\n    64→    rescue ex : JSON::ParseException\n    65→      response.status_code = 400\n    66→      response.print({\"error\" => \"Invalid JSON: #{ex.message}\"}.to_json)\n    67→    end\n    68→  end\n    69→\n    70→  private def handle_get(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)\n    71→    if doses_string = @redis_client.get_alias(user_id, alias_name)\n    72→      response.status_code = 200\n    73→      response.print({\n    74→        \"data\" => {\n    75→          \"user_id\"      => user_id,\n    76→          \"alias_name\"   => alias_name,\n    77→          \"doses_string\" => doses_string,\n    78→        },\n    79→        \"_links\" => {\n    80→          \"self\"         => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n    81→          \"delete\"       => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n    82→          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n    83→        },\n    84→      }.to_json)\n    85→    else\n    86→      response.status_code = 404\n    87→      response.print({\"error\" => \"Alias not found\"}.to_json)\n    88→    end\n    89→  end\n    90→\n    91→  private def handle_list(request : HTTP::Request, response : HTTP::Server::Response)\n    92→    user_id = request.path.sub(\"/v1/aliases/user/\", \"\")\n    93→\n    94→    if user_id.empty?\n    95→      response.status_code = 400\n    96→      response.print({\"error\" => \"Missing user_id\"}.to_json)\n    97→      return\n    98→    end\n    99→\n   100→    aliases = @redis_client.get_user_aliases(user_id)\n   101→\n   102→    response.status_code = 200\n   103→    response.print({\n   104→      \"data\" => {\n   105→        \"user_id\" => user_id,\n   106→        \"aliases\" => aliases,\n   107→      },\n   108→      \"meta\" => {\n   109→        \"count\" => aliases.size,\n   110→      },\n   111→      \"_links\" => {\n   112→        \"self\"   => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n   113→        \"create\" => \"/v1/aliases\",\n   114→      },\n   115→    }.to_json)\n   116→  end\n   117→\n   118→  private def handle_delete(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)\n   119→    if @redis_client.remove_alias(user_id, alias_name)\n   120→      response.status_code = 200\n   121→      response.print({\n   122→        \"data\" => {\n   123→          \"deleted\" => alias_name,\n   124→        },\n   125→        \"_links\" => {\n   126→          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n   127→          \"create\"       => \"/v1/aliases\",\n   128→        },\n   129→      }.to_json)\n   130→    else\n   131→      response.status_code = 404\n   132→      response.print({\"error\" => \"Alias not found\"}.to_json)\n   133→    end\n   134→  end\n   135→end\n   136→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"5a1428be-3936-4931-b138-439f426234d5","timestamp":"2026-02-07T21:30:59.251Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/core/src/handlers/alias_handler.cr","content":"require \"json\"\nrequire \"../link_builder\"\n\nclass AliasHandler\n  def initialize(@redis_client : RedisClient)\n  end\n\n  def handle(request : HTTP::Request, response : HTTP::Server::Response)\n    case {request.method, request.path}\n    when {\"POST\", \"/v1/aliases\"}\n      handle_create(request, response)\n    when {\"GET\", _}\n      if request.path.starts_with?(\"/v1/aliases/user/\")\n        handle_list(request, response)\n      elsif request.path =~ /\\/v1\\/aliases\\/([^\\/]+)\\/(.+)/\n        handle_get(request, response, $1, $2)\n      else\n        response.status_code = 404\n        response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n      end\n    when {\"DELETE\", _}\n      if request.path =~ /\\/v1\\/aliases\\/([^\\/]+)\\/(.+)/\n        handle_delete(request, response, $1, $2)\n      else\n        response.status_code = 404\n        response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n      end\n    else\n      response.status_code = 404\n      response.print({\"error\" => \"Alias endpoint not found\"}.to_json)\n    end\n  end\n\n  private def handle_create(request : HTTP::Request, response : HTTP::Server::Response)\n    begin\n      body = request.body.try(&.gets_to_end) || \"\"\n      data = JSON.parse(body)\n\n      user_id = data[\"user_id\"]?.try(&.as_s)\n      alias_name = data[\"alias_name\"]?.try(&.as_s)\n      doses_string = data[\"doses_string\"]?.try(&.as_s)\n\n      unless user_id && alias_name && doses_string\n        response.status_code = 400\n        response.print({\"error\" => \"Missing required fields: user_id, alias_name, doses_string\"}.to_json)\n        return\n      end\n\n      @redis_client.set_alias(user_id, alias_name, doses_string)\n\n      response.status_code = 201\n      response.print({\n        \"data\" => {\n          \"user_id\"      => user_id,\n          \"alias_name\"   => alias_name,\n          \"doses_string\" => doses_string,\n        },\n        \"_links\" => {\n          \"self\"         => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n          \"delete\"       => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n        },\n      }.to_json)\n    rescue ex : JSON::ParseException\n      response.status_code = 400\n      response.print({\"error\" => \"Invalid JSON: #{ex.message}\"}.to_json)\n    end\n  end\n\n  private def handle_get(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)\n    if doses_string = @redis_client.get_alias(user_id, alias_name)\n      response.status_code = 200\n      response.print({\n        \"data\" => {\n          \"user_id\"      => user_id,\n          \"alias_name\"   => alias_name,\n          \"doses_string\" => doses_string,\n        },\n        \"_links\" => {\n          \"self\"         => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n          \"delete\"       => \"/v1/aliases/#{URI.encode_path(user_id)}/#{URI.encode_path(alias_name)}\",\n          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n        },\n      }.to_json)\n    else\n      response.status_code = 404\n      response.print({\"error\" => \"Alias not found\"}.to_json)\n    end\n  end\n\n  private def handle_list(request : HTTP::Request, response : HTTP::Server::Response)\n    user_id = request.path.sub(\"/v1/aliases/user/\", \"\")\n\n    if user_id.empty?\n      response.status_code = 400\n      response.print({\"error\" => \"Missing user_id\"}.to_json)\n      return\n    end\n\n    aliases = @redis_client.get_user_aliases(user_id)\n\n    response.status_code = 200\n    response.print({\n      \"data\" => {\n        \"user_id\" => user_id,\n        \"aliases\" => aliases,\n      },\n      \"meta\" => {\n        \"count\" => aliases.size,\n      },\n      \"_links\" => {\n        \"self\"   => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n        \"create\" => \"/v1/aliases\",\n      },\n    }.to_json)\n  end\n\n  private def handle_delete(request : HTTP::Request, response : HTTP::Server::Response, user_id : String, alias_name : String)\n    if @redis_client.remove_alias(user_id, alias_name)\n      response.status_code = 200\n      response.print({\n        \"data\" => {\n          \"deleted\" => alias_name,\n        },\n        \"_links\" => {\n          \"user_aliases\" => \"/v1/aliases/user/#{URI.encode_path(user_id)}\",\n          \"create\"       => \"/v1/aliases\",\n        },\n      }.to_json)\n    else\n      response.status_code = 404\n      response.print({\"error\" => \"Alias not found\"}.to_json)\n    end\n  end\nend\n","numLines":136,"startLine":1,"totalLines":136}},"sourceToolAssistantUUID":"5125a421-b8b7-4e5d-9262-a8673813e241"}
{"parentUuid":"5a1428be-3936-4931-b138-439f426234d5","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_019cA9v7mbqEUyC5Xn3jbVBz","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","name":"Read","input":{"file_path":"/home/josie/development/personal/josiedot/health/services/core/src/router.cr"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":2794,"cache_read_input_tokens":51227,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2794},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRW5kBy5Er3VunoAr5","type":"assistant","uuid":"d8840be7-ca95-4955-b24e-c5043e98559f","timestamp":"2026-02-07T21:30:59.680Z"}
{"parentUuid":"d8840be7-ca95-4955-b24e-c5043e98559f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","parentToolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","uuid":"aba35334-f6d8-40e1-972d-3c696c628b68","timestamp":"2026-02-07T21:30:59.681Z"}
{"parentUuid":"aba35334-f6d8-40e1-972d-3c696c628b68","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","toolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","timestamp":"2026-02-07T21:30:59.726Z","uuid":"8f8fa67d-32e3-4f0d-83f2-db5a4105ffbf"}
{"parentUuid":"8f8fa67d-32e3-4f0d-83f2-db5a4105ffbf","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","toolUseID":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","timestamp":"2026-02-07T21:30:59.726Z","uuid":"12937114-f88b-4392-a282-709fb975c33a"}
{"parentUuid":"d8840be7-ca95-4955-b24e-c5043e98559f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01DZX6Eg5wGCSzzeGSPjz1Ar","type":"tool_result","content":"     1→require \"http/server\"\n     2→require \"json\"\n     3→require \"base64\"\n     4→require \"openssl\"\n     5→require \"josie-health-utils\"\n     6→require \"./handlers/log_handler\"\n     7→require \"./handlers/metric_handler\"\n     8→require \"./handlers/substance_handler\"\n     9→require \"./handlers/interaction_handler\"\n    10→require \"./handlers/auth_handler\"\n    11→require \"./handlers/timezone_handler\"\n    12→require \"./handlers/alias_handler\"\n    13→require \"./handlers/reminder_handler\"\n    14→require \"./rate_limiter\"\n    15→require \"./link_builder\"\n    16→\n    17→class APIRouter\n    18→  Log = JosieHealth::Utils::Log\n    19→\n    20→  # Rate limit settings (configurable via env)\n    21→  RATE_LIMIT_ENABLED     = ENV[\"RATE_LIMIT_ENABLED\"]? != \"false\"\n    22→  RATE_LIMIT_BUCKET_SIZE = (ENV[\"RATE_LIMIT_BUCKET\"]? || \"60\").to_i\n    23→  RATE_LIMIT_REFILL_RATE = (ENV[\"RATE_LIMIT_REFILL\"]? || \"10\").to_f\n    24→\n    25→  @auth_username : String\n    26→  @auth_password : String\n    27→  @redis_client : RedisClient\n    28→  @log_handler : LogHandler\n    29→  @metric_handler : MetricHandler\n    30→  @substance_handler : SubstanceHandler\n    31→  @interaction_handler : InteractionHandler\n    32→  @auth_handler : AuthHandler\n    33→  @timezone_handler : TimezoneHandler\n    34→  @alias_handler : AliasHandler\n    35→  @reminder_handler : ReminderHandler\n    36→  @rate_limiter : RateLimiter\n    37→\n    38→  # Stores authenticated user_id for current request (set by authenticate)\n    39→  @authenticated_user : String?\n    40→\n    41→  def initialize(redis_client : RedisClient)\n    42→    @redis_client = redis_client\n    43→    @auth_username = ENV[\"API_USERNAME\"]? || \"admin\"\n    44→    @auth_password = ENV[\"API_PASSWORD\"]? || \"admin\"\n    45→\n    46→    @log_handler = LogHandler.new(redis_client)\n    47→    @metric_handler = MetricHandler.new(redis_client)\n    48→    @substance_handler = SubstanceHandler.new\n    49→    @interaction_handler = InteractionHandler.new\n    50→    @auth_handler = AuthHandler.new(redis_client)\n    51→    @timezone_handler = TimezoneHandler.new\n    52→    @alias_handler = AliasHandler.new(redis_client)\n    53→    @reminder_handler = ReminderHandler.new(redis_client)\n    54→    @rate_limiter = RateLimiter.new(RATE_LIMIT_BUCKET_SIZE, RATE_LIMIT_REFILL_RATE)\n    55→  end\n    56→\n    57→  def handle_request(context : HTTP::Server::Context)\n    58→    begin\n    59→      request = context.request\n    60→      response = context.response\n    61→\n    62→      # Add CORS headers\n    63→      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n    64→      response.headers[\"Access-Control-Allow-Methods\"] = \"GET, POST, OPTIONS\"\n    65→      response.headers[\"Access-Control-Allow-Headers\"] = \"Content-Type, Authorization\"\n    66→\n    67→      if request.method == \"OPTIONS\"\n    68→        response.status_code = 200\n    69→        return\n    70→      end\n    71→\n    72→      # Rate limiting (skip for health checks)\n    73→      if RATE_LIMIT_ENABLED && request.path != \"/health\"\n    74→        rate_limit_key = get_rate_limit_key(request)\n    75→        unless @rate_limiter.allow?(rate_limit_key)\n    76→          response.status_code = 429\n    77→          response.content_type = \"application/json\"\n    78→          retry_after = @rate_limiter.retry_after(rate_limit_key).ceil.to_i\n    79→          response.headers[\"Retry-After\"] = retry_after.to_s\n    80→          response.headers[\"X-RateLimit-Remaining\"] = \"0\"\n    81→          response.headers[\"X-RateLimit-Limit\"] = RATE_LIMIT_BUCKET_SIZE.to_s\n    82→          response.print({\"error\" => \"Rate limit exceeded\", \"retry_after\" => retry_after}.to_json)\n    83→          return\n    84→        end\n    85→        # Add rate limit headers\n    86→        response.headers[\"X-RateLimit-Remaining\"] = @rate_limiter.remaining(rate_limit_key).to_s\n    87→        response.headers[\"X-RateLimit-Limit\"] = RATE_LIMIT_BUCKET_SIZE.to_s\n    88→      end\n    89→\n    90→      # Skip auth for health check, substance endpoints, interactions endpoints, documentation, OAuth, and IRC auth\n    91→      unless request.path == \"/health\" ||\n    92→             request.path == \"/v1/\" ||\n    93→             request.path == \"/v1\" ||\n    94→             request.path == \"/v1/substances\" ||\n    95→             request.path.starts_with?(\"/v1/substances/\") ||\n    96→             request.path.starts_with?(\"/v1/interactions/\") ||\n    97→             request.path.starts_with?(\"/v1/timezone/\") ||\n    98→             request.path == \"/v1/openapi.yaml\" ||\n    99→             request.path == \"/\" ||\n   100→             request.path == \"/openapi.yaml\" ||\n   101→             request.path == \"/wagyuplush.jpg\" ||\n   102→             request.path.starts_with?(\"/.well-known/acme-challenge/\") ||\n   103→             request.path.starts_with?(\"/v1/datasets/\") ||\n   104→             request.path.starts_with?(\"/v1/alcohol/\") ||\n   105→             request.path.starts_with?(\"/oauth/\") ||\n   106→             request.path.starts_with?(\"/v1/auth/irc/\")\n   107→        return unless authenticate(request, response)\n   108→      end\n   109→\n   110→      response.content_type = \"application/json\"\n   111→\n   112→      case request.path\n   113→      when \"/\"\n   114→        handle_swagger_ui(request, response)\n   115→      when \"/wagyuplush.jpg\"\n   116→        handle_static_logo(request, response)\n   117→      when .starts_with?(\"/.well-known/acme-challenge/\")\n   118→        handle_acme_challenge(request, response)\n   119→      when \"/health\"\n   120→        handle_health(request, response)\n   121→      when \"/v1/\", \"/v1\"\n   122→        handle_api_root(request, response)\n   123→      when \"/v1/info\"\n   124→        handle_info(request, response)\n   125→      when \"/v1/openapi.yaml\", \"/openapi.yaml\"\n   126→        handle_openapi_spec(request, response)\n   127→        # OAuth routes (public)\n   128→      when .starts_with?(\"/oauth/\")\n   129→        @auth_handler.handle(request, response)\n   130→        # Auth key management routes (authenticated, user from token)\n   131→      when .starts_with?(\"/v1/auth/\")\n   132→        @auth_handler.handle(request, response, @authenticated_user)\n   133→        # Route to appropriate handlers\n   134→      when .starts_with?(\"/v1/logs\")\n   135→        Log.debug(\"router\", \"Routing to LogHandler\")\n   136→        @log_handler.handle(request, response)\n   137→      when .starts_with?(\"/v1/metrics\")\n   138→        @metric_handler.handle(request, response)\n   139→      when \"/v1/substances\"\n   140→        if request.method == \"GET\"\n   141→          @substance_handler.handle_list_substances(request, response)\n   142→        else\n   143→          response.status_code = 405\n   144→          response.print({\"error\" => \"Method not allowed\"}.to_json)\n   145→        end\n   146→      when .starts_with?(\"/v1/substances/\")\n   147→        @substance_handler.handle(request, response)\n   148→      when .starts_with?(\"/v1/interactions\")\n   149→        @interaction_handler.handle(request, response)\n   150→      when .starts_with?(\"/v1/datasets\")\n   151→        @substance_handler.handle_datasets(request, response)\n   152→      when .starts_with?(\"/v1/alcohol\")\n   153→        @substance_handler.handle_alcohol(request, response)\n   154→      when .starts_with?(\"/v1/timezone\")\n   155→        @timezone_handler.handle(request, response)\n   156→      when .starts_with?(\"/v1/aliases\")\n   157→        @alias_handler.handle(request, response)\n   158→      when .starts_with?(\"/v1/reminders\")\n   159→        @reminder_handler.handle(request, response)\n   160→      when .starts_with?(\"/v1/users/\")\n   161→        handle_user_routes(request, response)\n   162→      else\n   163→        response.status_code = 404\n   164→        response.print({\"error\" => \"Not found\"}.to_json)\n   165→      end\n   166→    rescue ex\n   167→      context.response.status_code = 500\n   168→      context.response.content_type = \"application/json\"\n   169→      context.response.print({\"error\" => \"Internal server error: #{ex.message}\"}.to_json)\n   170→    end\n   171→  end\n   172→\n   173→  # Get rate limit key from request (user_id if authenticated, else IP)\n   174→  private def get_rate_limit_key(request : HTTP::Request) : String\n   175→    # Try to get user from auth header for more accurate limiting\n   176→    if auth_header = request.headers[\"Authorization\"]?\n   177→      if auth_header.starts_with?(\"Bearer \") && auth_header[7..-1].starts_with?(\"jhapi_\")\n   178→        api_key = auth_header[7..-1].strip\n   179→        key_hash = OpenSSL::Digest.new(\"SHA256\").update(api_key).final.hexstring\n   180→        if user_id = @redis_client.get_api_key_user(key_hash)\n   181→          return \"user:#{user_id}\"\n   182→        end\n   183→      elsif auth_header.starts_with?(\"Basic \")\n   184→        # Basic auth - use username\n   185→        return \"basic:#{@auth_username}\"\n   186→      end\n   187→    end\n   188→\n   189→    # Fall back to IP address\n   190→    ip = request.headers[\"X-Forwarded-For\"]?.try(&.split(\",\").first.strip) ||\n   191→         request.headers[\"X-Real-IP\"]? ||\n   192→         \"unknown\"\n   193→    \"ip:#{ip}\"\n   194→  end\n   195→\n   196→  private def authenticate(request : HTTP::Request, response : HTTP::Server::Response) : Bool\n   197→    @authenticated_user = nil\n   198→    auth_header = request.headers[\"Authorization\"]?\n   199→\n   200→    # Try Bearer token first (API key)\n   201→    if auth_header && auth_header.starts_with?(\"Bearer \")\n   202→      api_key = auth_header[7..-1].strip\n   203→      if api_key.starts_with?(\"jhapi_\")\n   204→        # Hash the key and look up in Redis\n   205→        key_hash = OpenSSL::Digest.new(\"SHA256\").update(api_key).final.hexstring\n   206→        if user_id = @redis_client.get_api_key_user(key_hash)\n   207→          @authenticated_user = user_id\n   208→          # Update last_used timestamp (async, don't block)\n   209→          spawn { @redis_client.update_key_last_used(key_hash) }\n   210→          return true\n   211→        end\n   212→      end\n   213→    end\n   214→\n   215→    # Fall back to Basic Auth\n   216→    if auth_header && auth_header.starts_with?(\"Basic \")\n   217→      encoded = auth_header[6..-1]\n   218→      decoded = Base64.decode_string(encoded)\n   219→      username, password = decoded.split(':', 2)\n   220→\n   221→      if username == @auth_username && password == @auth_password\n   222→        # Basic auth doesn't set authenticated_user (admin access)\n   223→        return true\n   224→      end\n   225→    end\n   226→\n   227→    response.status_code = 401\n   228→    response.headers[\"WWW-Authenticate\"] = \"Basic realm=\\\"Josie Health API\\\", Bearer realm=\\\"Josie Health API\\\"\"\n   229→    response.print({\"error\" => \"Unauthorized\"}.to_json)\n   230→    false\n   231→  end\n   232→\n   233→  private def handle_health(request : HTTP::Request, response : HTTP::Server::Response)\n   234→    redis_status = begin\n   235→      @metric_handler.redis_ping ? \"connected\" : \"disconnected\"\n   236→    rescue ex\n   237→      \"error: #{ex.message}\"\n   238→    end\n   239→\n   240→    response.print({\n   241→      \"status\"           => \"ok\",\n   242→      \"service\"          => \"logs-api-redis\",\n   243→      \"redis_connection\" => redis_status,\n   244→    }.to_json)\n   245→  end\n   246→\n   247→  private def handle_api_root(request : HTTP::Request, response : HTTP::Server::Response)\n   248→    response.print({\n   249→      \"data\" => {\n   250→        \"name\"    => \"Josie Health API\",\n   251→        \"version\" => \"1.0.0\",\n   252→      },\n   253→      \"_links\" => {\n   254→        \"self\"         => \"/v1/\",\n   255→        \"info\"         => \"/v1/info\",\n   256→        \"logs\"         => \"/v1/logs/substances\",\n   257→        \"metrics\"      => \"/v1/metrics/substances\",\n   258→        \"substances\"   => \"/v1/substances\",\n   259→        \"interactions\" => \"/v1/interactions/{substance1}/{substance2}\",\n   260→        \"reminders\"    => \"/v1/reminders\",\n   261→        \"aliases\"      => \"/v1/aliases\",\n   262→        \"users\"        => \"/v1/users/{user_id}/timezone\",\n   263→        \"openapi\"      => \"/v1/openapi.yaml\",\n   264→      },\n   265→    }.to_json)\n   266→  end\n   267→\n   268→  private def handle_info(request : HTTP::Request, response : HTTP::Server::Response)\n   269→    response.print({\n   270→      \"data\" => {\n   271→        \"service\" => \"josie.health API\",\n   272→        \"version\" => \"1.0.0\",\n   273→      },\n   274→      \"_links\" => {\n   275→        \"self\"         => \"/v1/info\",\n   276→        \"root\"         => \"/v1/\",\n   277→        \"openapi_spec\" => \"/v1/openapi.yaml\",\n   278→        \"swagger_ui\"   => \"/\",\n   279→        \"logs\"         => \"/v1/logs/substances\",\n   280→        \"substances\"   => \"/v1/substances\",\n   281→        \"interactions\" => \"/v1/interactions/{substance1}/{substance2}\",\n   282→      },\n   283→    }.to_json)\n   284→  end\n   285→\n   286→  private def handle_openapi_spec(request : HTTP::Request, response : HTTP::Server::Response)\n   287→    begin\n   288→      spec_content = File.read(\"openapi.yaml\")\n   289→      response.content_type = \"text/yaml\"\n   290→      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n   291→      response.print(spec_content)\n   292→    rescue ex\n   293→      response.status_code = 404\n   294→      response.content_type = \"application/json\"\n   295→      response.print({\"error\" => \"OpenAPI spec not found: #{ex.message}\"}.to_json)\n   296→    end\n   297→  end\n   298→\n   299→  private def handle_swagger_ui(request : HTTP::Request, response : HTTP::Server::Response)\n   300→    begin\n   301→      html_content = File.read(\"static/swagger-ui.html\")\n   302→      response.content_type = \"text/html\"\n   303→      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n   304→      response.print(html_content)\n   305→    rescue ex\n   306→      response.status_code = 404\n   307→      response.content_type = \"application/json\"\n   308→      response.print({\"error\" => \"Swagger UI not found: #{ex.message}\"}.to_json)\n   309→    end\n   310→  end\n   311→\n   312→  private def handle_static_logo(request : HTTP::Request, response : HTTP::Server::Response)\n   313→    begin\n   314→      logo_content = File.read(\"wagyuplush.jpg\").to_slice\n   315→      response.content_type = \"image/jpeg\"\n   316→      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n   317→      response.headers[\"Cache-Control\"] = \"public, max-age=3600\"\n   318→      response.write(logo_content)\n   319→    rescue ex\n   320→      response.status_code = 404\n   321→      response.content_type = \"application/json\"\n   322→      response.print({\"error\" => \"Logo not found: #{ex.message}\"}.to_json)\n   323→    end\n   324→  end\n   325→\n   326→  private def handle_acme_challenge(request : HTTP::Request, response : HTTP::Server::Response)\n   327→    acme_response = ENV[\"ACME_CHALLENGE\"]? || \"\"\n   328→    if acme_response.empty?\n   329→      response.status_code = 404\n   330→      response.content_type = \"application/json\"\n   331→      response.print({\"error\" => \"ACME challenge not configured\"}.to_json)\n   332→    else\n   333→      response.content_type = \"text/plain\"\n   334→      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n   335→      response.print(acme_response)\n   336→    end\n   337→  end\n   338→\n   339→  private def handle_user_routes(request : HTTP::Request, response : HTTP::Server::Response)\n   340→    # /v1/users/{user_id}/timezone\n   341→    if match = request.path.match(/\\/v1\\/users\\/([^\\/]+)\\/timezone$/)\n   342→      user_id = URI.decode_www_form(match[1])\n   343→\n   344→      case request.method\n   345→      when \"GET\"\n   346→        if tz = @redis_client.get_user_timezone(user_id)\n   347→          response.status_code = 200\n   348→          response.print({\"data\" => {\"user_id\" => user_id, \"timezone\" => tz}}.to_json)\n   349→        else\n   350→          response.status_code = 404\n   351→          response.print({\"error\" => \"Timezone not set for user\"}.to_json)\n   352→        end\n   353→      when \"PUT\"\n   354→        begin\n   355→          body = request.body.try(&.gets_to_end) || \"\"\n   356→          data = JSON.parse(body)\n   357→          timezone = data[\"timezone\"]?.try(&.as_s)\n   358→\n   359→          unless timezone\n   360→            response.status_code = 400\n   361→            response.print({\"error\" => \"Missing required field: timezone\"}.to_json)\n   362→            return\n   363→          end\n   364→\n   365→          @redis_client.set_user_timezone(user_id, timezone)\n   366→          response.status_code = 200\n   367→          response.print({\"data\" => {\"user_id\" => user_id, \"timezone\" => timezone}}.to_json)\n   368→        rescue ex : JSON::ParseException\n   369→          response.status_code = 400\n   370→          response.print({\"error\" => \"Invalid JSON: #{ex.message}\"}.to_json)\n   371→        end\n   372→      else\n   373→        response.status_code = 405\n   374→        response.print({\"error\" => \"Method not allowed\"}.to_json)\n   375→      end\n   376→      # /v1/users/{user_id}/data - GET stats or DELETE all user data\n   377→    elsif match = request.path.match(/\\/v1\\/users\\/([^\\/]+)\\/data$/)\n   378→      user_id = URI.decode_www_form(match[1])\n   379→\n   380→      case request.method\n   381→      when \"GET\"\n   382→        handle_get_user_data_stats(user_id, response)\n   383→      when \"DELETE\"\n   384→        handle_delete_user_data(user_id, response)\n   385→      else\n   386→        response.status_code = 405\n   387→        response.print({\"error\" => \"Method not allowed\"}.to_json)\n   388→      end\n   389→    else\n   390→      response.status_code = 404\n   391→      response.print({\"error\" => \"User endpoint not found\"}.to_json)\n   392→    end\n   393→  end\n   394→\n   395→  private def handle_get_user_data_stats(user_id : String, response : HTTP::Server::Response)\n   396→    counts = @redis_client.get_user_data_stats(user_id)\n   397→    total = counts.values.sum\n   398→\n   399→    # Check if timezone is set\n   400→    has_timezone = @redis_client.get_user_timezone(user_id) != nil\n   401→\n   402→    response.status_code = 200\n   403→    response.print({\n   404→      \"data\" => {\n   405→        \"user_id\"      => user_id,\n   406→        \"counts\"       => counts,\n   407→        \"total\"        => total,\n   408→        \"has_timezone\" => has_timezone,\n   409→      },\n   410→    }.to_json)\n   411→  end\n   412→\n   413→  private def handle_delete_user_data(user_id : String, response : HTTP::Server::Response)\n   414→    Log.info(\"router\", \"Deleting all data for user: #{user_id}\")\n   415→\n   416→    counts = @redis_client.delete_all_user_data(user_id)\n   417→    total = counts.values.sum\n   418→\n   419→    response.status_code = 200\n   420→    response.print({\n   421→      \"data\" => {\n   422→        \"user_id\" => user_id,\n   423→        \"deleted\" => counts,\n   424→        \"total\"   => total,\n   425→      },\n   426→      \"meta\" => {\n   427→        \"message\" => \"All user data has been permanently deleted\",\n   428→      },\n   429→    }.to_json)\n   430→  end\n   431→end\n   432→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"be645fb3-56d1-4e6d-a76b-4ba99bcbf462","timestamp":"2026-02-07T21:30:59.725Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/core/src/router.cr","content":"require \"http/server\"\nrequire \"json\"\nrequire \"base64\"\nrequire \"openssl\"\nrequire \"josie-health-utils\"\nrequire \"./handlers/log_handler\"\nrequire \"./handlers/metric_handler\"\nrequire \"./handlers/substance_handler\"\nrequire \"./handlers/interaction_handler\"\nrequire \"./handlers/auth_handler\"\nrequire \"./handlers/timezone_handler\"\nrequire \"./handlers/alias_handler\"\nrequire \"./handlers/reminder_handler\"\nrequire \"./rate_limiter\"\nrequire \"./link_builder\"\n\nclass APIRouter\n  Log = JosieHealth::Utils::Log\n\n  # Rate limit settings (configurable via env)\n  RATE_LIMIT_ENABLED     = ENV[\"RATE_LIMIT_ENABLED\"]? != \"false\"\n  RATE_LIMIT_BUCKET_SIZE = (ENV[\"RATE_LIMIT_BUCKET\"]? || \"60\").to_i\n  RATE_LIMIT_REFILL_RATE = (ENV[\"RATE_LIMIT_REFILL\"]? || \"10\").to_f\n\n  @auth_username : String\n  @auth_password : String\n  @redis_client : RedisClient\n  @log_handler : LogHandler\n  @metric_handler : MetricHandler\n  @substance_handler : SubstanceHandler\n  @interaction_handler : InteractionHandler\n  @auth_handler : AuthHandler\n  @timezone_handler : TimezoneHandler\n  @alias_handler : AliasHandler\n  @reminder_handler : ReminderHandler\n  @rate_limiter : RateLimiter\n\n  # Stores authenticated user_id for current request (set by authenticate)\n  @authenticated_user : String?\n\n  def initialize(redis_client : RedisClient)\n    @redis_client = redis_client\n    @auth_username = ENV[\"API_USERNAME\"]? || \"admin\"\n    @auth_password = ENV[\"API_PASSWORD\"]? || \"admin\"\n\n    @log_handler = LogHandler.new(redis_client)\n    @metric_handler = MetricHandler.new(redis_client)\n    @substance_handler = SubstanceHandler.new\n    @interaction_handler = InteractionHandler.new\n    @auth_handler = AuthHandler.new(redis_client)\n    @timezone_handler = TimezoneHandler.new\n    @alias_handler = AliasHandler.new(redis_client)\n    @reminder_handler = ReminderHandler.new(redis_client)\n    @rate_limiter = RateLimiter.new(RATE_LIMIT_BUCKET_SIZE, RATE_LIMIT_REFILL_RATE)\n  end\n\n  def handle_request(context : HTTP::Server::Context)\n    begin\n      request = context.request\n      response = context.response\n\n      # Add CORS headers\n      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n      response.headers[\"Access-Control-Allow-Methods\"] = \"GET, POST, OPTIONS\"\n      response.headers[\"Access-Control-Allow-Headers\"] = \"Content-Type, Authorization\"\n\n      if request.method == \"OPTIONS\"\n        response.status_code = 200\n        return\n      end\n\n      # Rate limiting (skip for health checks)\n      if RATE_LIMIT_ENABLED && request.path != \"/health\"\n        rate_limit_key = get_rate_limit_key(request)\n        unless @rate_limiter.allow?(rate_limit_key)\n          response.status_code = 429\n          response.content_type = \"application/json\"\n          retry_after = @rate_limiter.retry_after(rate_limit_key).ceil.to_i\n          response.headers[\"Retry-After\"] = retry_after.to_s\n          response.headers[\"X-RateLimit-Remaining\"] = \"0\"\n          response.headers[\"X-RateLimit-Limit\"] = RATE_LIMIT_BUCKET_SIZE.to_s\n          response.print({\"error\" => \"Rate limit exceeded\", \"retry_after\" => retry_after}.to_json)\n          return\n        end\n        # Add rate limit headers\n        response.headers[\"X-RateLimit-Remaining\"] = @rate_limiter.remaining(rate_limit_key).to_s\n        response.headers[\"X-RateLimit-Limit\"] = RATE_LIMIT_BUCKET_SIZE.to_s\n      end\n\n      # Skip auth for health check, substance endpoints, interactions endpoints, documentation, OAuth, and IRC auth\n      unless request.path == \"/health\" ||\n             request.path == \"/v1/\" ||\n             request.path == \"/v1\" ||\n             request.path == \"/v1/substances\" ||\n             request.path.starts_with?(\"/v1/substances/\") ||\n             request.path.starts_with?(\"/v1/interactions/\") ||\n             request.path.starts_with?(\"/v1/timezone/\") ||\n             request.path == \"/v1/openapi.yaml\" ||\n             request.path == \"/\" ||\n             request.path == \"/openapi.yaml\" ||\n             request.path == \"/wagyuplush.jpg\" ||\n             request.path.starts_with?(\"/.well-known/acme-challenge/\") ||\n             request.path.starts_with?(\"/v1/datasets/\") ||\n             request.path.starts_with?(\"/v1/alcohol/\") ||\n             request.path.starts_with?(\"/oauth/\") ||\n             request.path.starts_with?(\"/v1/auth/irc/\")\n        return unless authenticate(request, response)\n      end\n\n      response.content_type = \"application/json\"\n\n      case request.path\n      when \"/\"\n        handle_swagger_ui(request, response)\n      when \"/wagyuplush.jpg\"\n        handle_static_logo(request, response)\n      when .starts_with?(\"/.well-known/acme-challenge/\")\n        handle_acme_challenge(request, response)\n      when \"/health\"\n        handle_health(request, response)\n      when \"/v1/\", \"/v1\"\n        handle_api_root(request, response)\n      when \"/v1/info\"\n        handle_info(request, response)\n      when \"/v1/openapi.yaml\", \"/openapi.yaml\"\n        handle_openapi_spec(request, response)\n        # OAuth routes (public)\n      when .starts_with?(\"/oauth/\")\n        @auth_handler.handle(request, response)\n        # Auth key management routes (authenticated, user from token)\n      when .starts_with?(\"/v1/auth/\")\n        @auth_handler.handle(request, response, @authenticated_user)\n        # Route to appropriate handlers\n      when .starts_with?(\"/v1/logs\")\n        Log.debug(\"router\", \"Routing to LogHandler\")\n        @log_handler.handle(request, response)\n      when .starts_with?(\"/v1/metrics\")\n        @metric_handler.handle(request, response)\n      when \"/v1/substances\"\n        if request.method == \"GET\"\n          @substance_handler.handle_list_substances(request, response)\n        else\n          response.status_code = 405\n          response.print({\"error\" => \"Method not allowed\"}.to_json)\n        end\n      when .starts_with?(\"/v1/substances/\")\n        @substance_handler.handle(request, response)\n      when .starts_with?(\"/v1/interactions\")\n        @interaction_handler.handle(request, response)\n      when .starts_with?(\"/v1/datasets\")\n        @substance_handler.handle_datasets(request, response)\n      when .starts_with?(\"/v1/alcohol\")\n        @substance_handler.handle_alcohol(request, response)\n      when .starts_with?(\"/v1/timezone\")\n        @timezone_handler.handle(request, response)\n      when .starts_with?(\"/v1/aliases\")\n        @alias_handler.handle(request, response)\n      when .starts_with?(\"/v1/reminders\")\n        @reminder_handler.handle(request, response)\n      when .starts_with?(\"/v1/users/\")\n        handle_user_routes(request, response)\n      else\n        response.status_code = 404\n        response.print({\"error\" => \"Not found\"}.to_json)\n      end\n    rescue ex\n      context.response.status_code = 500\n      context.response.content_type = \"application/json\"\n      context.response.print({\"error\" => \"Internal server error: #{ex.message}\"}.to_json)\n    end\n  end\n\n  # Get rate limit key from request (user_id if authenticated, else IP)\n  private def get_rate_limit_key(request : HTTP::Request) : String\n    # Try to get user from auth header for more accurate limiting\n    if auth_header = request.headers[\"Authorization\"]?\n      if auth_header.starts_with?(\"Bearer \") && auth_header[7..-1].starts_with?(\"jhapi_\")\n        api_key = auth_header[7..-1].strip\n        key_hash = OpenSSL::Digest.new(\"SHA256\").update(api_key).final.hexstring\n        if user_id = @redis_client.get_api_key_user(key_hash)\n          return \"user:#{user_id}\"\n        end\n      elsif auth_header.starts_with?(\"Basic \")\n        # Basic auth - use username\n        return \"basic:#{@auth_username}\"\n      end\n    end\n\n    # Fall back to IP address\n    ip = request.headers[\"X-Forwarded-For\"]?.try(&.split(\",\").first.strip) ||\n         request.headers[\"X-Real-IP\"]? ||\n         \"unknown\"\n    \"ip:#{ip}\"\n  end\n\n  private def authenticate(request : HTTP::Request, response : HTTP::Server::Response) : Bool\n    @authenticated_user = nil\n    auth_header = request.headers[\"Authorization\"]?\n\n    # Try Bearer token first (API key)\n    if auth_header && auth_header.starts_with?(\"Bearer \")\n      api_key = auth_header[7..-1].strip\n      if api_key.starts_with?(\"jhapi_\")\n        # Hash the key and look up in Redis\n        key_hash = OpenSSL::Digest.new(\"SHA256\").update(api_key).final.hexstring\n        if user_id = @redis_client.get_api_key_user(key_hash)\n          @authenticated_user = user_id\n          # Update last_used timestamp (async, don't block)\n          spawn { @redis_client.update_key_last_used(key_hash) }\n          return true\n        end\n      end\n    end\n\n    # Fall back to Basic Auth\n    if auth_header && auth_header.starts_with?(\"Basic \")\n      encoded = auth_header[6..-1]\n      decoded = Base64.decode_string(encoded)\n      username, password = decoded.split(':', 2)\n\n      if username == @auth_username && password == @auth_password\n        # Basic auth doesn't set authenticated_user (admin access)\n        return true\n      end\n    end\n\n    response.status_code = 401\n    response.headers[\"WWW-Authenticate\"] = \"Basic realm=\\\"Josie Health API\\\", Bearer realm=\\\"Josie Health API\\\"\"\n    response.print({\"error\" => \"Unauthorized\"}.to_json)\n    false\n  end\n\n  private def handle_health(request : HTTP::Request, response : HTTP::Server::Response)\n    redis_status = begin\n      @metric_handler.redis_ping ? \"connected\" : \"disconnected\"\n    rescue ex\n      \"error: #{ex.message}\"\n    end\n\n    response.print({\n      \"status\"           => \"ok\",\n      \"service\"          => \"logs-api-redis\",\n      \"redis_connection\" => redis_status,\n    }.to_json)\n  end\n\n  private def handle_api_root(request : HTTP::Request, response : HTTP::Server::Response)\n    response.print({\n      \"data\" => {\n        \"name\"    => \"Josie Health API\",\n        \"version\" => \"1.0.0\",\n      },\n      \"_links\" => {\n        \"self\"         => \"/v1/\",\n        \"info\"         => \"/v1/info\",\n        \"logs\"         => \"/v1/logs/substances\",\n        \"metrics\"      => \"/v1/metrics/substances\",\n        \"substances\"   => \"/v1/substances\",\n        \"interactions\" => \"/v1/interactions/{substance1}/{substance2}\",\n        \"reminders\"    => \"/v1/reminders\",\n        \"aliases\"      => \"/v1/aliases\",\n        \"users\"        => \"/v1/users/{user_id}/timezone\",\n        \"openapi\"      => \"/v1/openapi.yaml\",\n      },\n    }.to_json)\n  end\n\n  private def handle_info(request : HTTP::Request, response : HTTP::Server::Response)\n    response.print({\n      \"data\" => {\n        \"service\" => \"josie.health API\",\n        \"version\" => \"1.0.0\",\n      },\n      \"_links\" => {\n        \"self\"         => \"/v1/info\",\n        \"root\"         => \"/v1/\",\n        \"openapi_spec\" => \"/v1/openapi.yaml\",\n        \"swagger_ui\"   => \"/\",\n        \"logs\"         => \"/v1/logs/substances\",\n        \"substances\"   => \"/v1/substances\",\n        \"interactions\" => \"/v1/interactions/{substance1}/{substance2}\",\n      },\n    }.to_json)\n  end\n\n  private def handle_openapi_spec(request : HTTP::Request, response : HTTP::Server::Response)\n    begin\n      spec_content = File.read(\"openapi.yaml\")\n      response.content_type = \"text/yaml\"\n      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n      response.print(spec_content)\n    rescue ex\n      response.status_code = 404\n      response.content_type = \"application/json\"\n      response.print({\"error\" => \"OpenAPI spec not found: #{ex.message}\"}.to_json)\n    end\n  end\n\n  private def handle_swagger_ui(request : HTTP::Request, response : HTTP::Server::Response)\n    begin\n      html_content = File.read(\"static/swagger-ui.html\")\n      response.content_type = \"text/html\"\n      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n      response.print(html_content)\n    rescue ex\n      response.status_code = 404\n      response.content_type = \"application/json\"\n      response.print({\"error\" => \"Swagger UI not found: #{ex.message}\"}.to_json)\n    end\n  end\n\n  private def handle_static_logo(request : HTTP::Request, response : HTTP::Server::Response)\n    begin\n      logo_content = File.read(\"wagyuplush.jpg\").to_slice\n      response.content_type = \"image/jpeg\"\n      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n      response.headers[\"Cache-Control\"] = \"public, max-age=3600\"\n      response.write(logo_content)\n    rescue ex\n      response.status_code = 404\n      response.content_type = \"application/json\"\n      response.print({\"error\" => \"Logo not found: #{ex.message}\"}.to_json)\n    end\n  end\n\n  private def handle_acme_challenge(request : HTTP::Request, response : HTTP::Server::Response)\n    acme_response = ENV[\"ACME_CHALLENGE\"]? || \"\"\n    if acme_response.empty?\n      response.status_code = 404\n      response.content_type = \"application/json\"\n      response.print({\"error\" => \"ACME challenge not configured\"}.to_json)\n    else\n      response.content_type = \"text/plain\"\n      response.headers[\"Access-Control-Allow-Origin\"] = \"*\"\n      response.print(acme_response)\n    end\n  end\n\n  private def handle_user_routes(request : HTTP::Request, response : HTTP::Server::Response)\n    # /v1/users/{user_id}/timezone\n    if match = request.path.match(/\\/v1\\/users\\/([^\\/]+)\\/timezone$/)\n      user_id = URI.decode_www_form(match[1])\n\n      case request.method\n      when \"GET\"\n        if tz = @redis_client.get_user_timezone(user_id)\n          response.status_code = 200\n          response.print({\"data\" => {\"user_id\" => user_id, \"timezone\" => tz}}.to_json)\n        else\n          response.status_code = 404\n          response.print({\"error\" => \"Timezone not set for user\"}.to_json)\n        end\n      when \"PUT\"\n        begin\n          body = request.body.try(&.gets_to_end) || \"\"\n          data = JSON.parse(body)\n          timezone = data[\"timezone\"]?.try(&.as_s)\n\n          unless timezone\n            response.status_code = 400\n            response.print({\"error\" => \"Missing required field: timezone\"}.to_json)\n            return\n          end\n\n          @redis_client.set_user_timezone(user_id, timezone)\n          response.status_code = 200\n          response.print({\"data\" => {\"user_id\" => user_id, \"timezone\" => timezone}}.to_json)\n        rescue ex : JSON::ParseException\n          response.status_code = 400\n          response.print({\"error\" => \"Invalid JSON: #{ex.message}\"}.to_json)\n        end\n      else\n        response.status_code = 405\n        response.print({\"error\" => \"Method not allowed\"}.to_json)\n      end\n      # /v1/users/{user_id}/data - GET stats or DELETE all user data\n    elsif match = request.path.match(/\\/v1\\/users\\/([^\\/]+)\\/data$/)\n      user_id = URI.decode_www_form(match[1])\n\n      case request.method\n      when \"GET\"\n        handle_get_user_data_stats(user_id, response)\n      when \"DELETE\"\n        handle_delete_user_data(user_id, response)\n      else\n        response.status_code = 405\n        response.print({\"error\" => \"Method not allowed\"}.to_json)\n      end\n    else\n      response.status_code = 404\n      response.print({\"error\" => \"User endpoint not found\"}.to_json)\n    end\n  end\n\n  private def handle_get_user_data_stats(user_id : String, response : HTTP::Server::Response)\n    counts = @redis_client.get_user_data_stats(user_id)\n    total = counts.values.sum\n\n    # Check if timezone is set\n    has_timezone = @redis_client.get_user_timezone(user_id) != nil\n\n    response.status_code = 200\n    response.print({\n      \"data\" => {\n        \"user_id\"      => user_id,\n        \"counts\"       => counts,\n        \"total\"        => total,\n        \"has_timezone\" => has_timezone,\n      },\n    }.to_json)\n  end\n\n  private def handle_delete_user_data(user_id : String, response : HTTP::Server::Response)\n    Log.info(\"router\", \"Deleting all data for user: #{user_id}\")\n\n    counts = @redis_client.delete_all_user_data(user_id)\n    total = counts.values.sum\n\n    response.status_code = 200\n    response.print({\n      \"data\" => {\n        \"user_id\" => user_id,\n        \"deleted\" => counts,\n        \"total\"   => total,\n      },\n      \"meta\" => {\n        \"message\" => \"All user data has been permanently deleted\",\n      },\n    }.to_json)\n  end\nend\n","numLines":432,"startLine":1,"totalLines":432}},"sourceToolAssistantUUID":"d8840be7-ca95-4955-b24e-c5043e98559f"}
{"parentUuid":"be645fb3-56d1-4e6d-a76b-4ba99bcbf462","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_01RLSVEf63NUZeqF5fyYGtjT","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"I see the issue now. Look at the CORS header on line 64 of router.cr:\n\n```crystal\nresponse.headers[\"Access-Control-Allow-Methods\"] = \"GET, POST, OPTIONS\"\n```\n\nIt's missing DELETE. But that would only affect browser-based CORS requests, not server-to-server. The Discord bot communicates directly to the API, so CORS isn't relevant.\n\nLet me look more carefully at the OPTIONS handling. On line 67-69:\n```crystal\nif request.method == \"OPTIONS\"\n  response.status_code = 200\n  return\nend\n```\n\nThis returns early for OPTIONS without reaching the auth check or the route handlers. \n\nThat's fine for preflight requests anyway. But the bot is communicating server-to-server, so CORS isn't the problem here. I think the real issue might be in the bot-core handler itself—it calls `get_alias` to check if the alias exists before attempting deletion, and if that returns nil, it bails out with \"not found\" without ever trying the delete. Let me trace through the `get_alias` method in the API client to see if that's where things are breaking down.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":8622,"cache_read_input_tokens":54021,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8622},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRvd8B6TUMent6U4Ag","type":"assistant","uuid":"51ade041-64a1-449a-a044-0f10d73ff3b2","timestamp":"2026-02-07T21:31:09.898Z"}
{"parentUuid":"51ade041-64a1-449a-a044-0f10d73ff3b2","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_01RLSVEf63NUZeqF5fyYGtjT","type":"message","role":"assistant","content":[{"type":"text","text":"The API side looks structurally correct. Let me check the `get_alias` method used in the \"exists\" check before removal, and also test the actual API behavior."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":8622,"cache_read_input_tokens":54021,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8622},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRvd8B6TUMent6U4Ag","type":"assistant","uuid":"fba433b5-9e18-4792-91f4-f56dc0baacc4","timestamp":"2026-02-07T21:31:09.922Z"}
{"parentUuid":"fba433b5-9e18-4792-91f4-f56dc0baacc4","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_01RLSVEf63NUZeqF5fyYGtjT","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01B6ESyLam1FUanvbczQa1fE","name":"Read","input":{"file_path":"/home/josie/development/personal/josiedot/health/services/discord-bot/lib/josie-health-bot-core/src/api_client.cr","offset":270,"limit":30}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":8622,"cache_read_input_tokens":54021,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8622},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRvd8B6TUMent6U4Ag","type":"assistant","uuid":"ef7c1c96-9e08-4792-a58f-01a05c8c2985","timestamp":"2026-02-07T21:31:11.425Z"}
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{"parentUuid":"d239d465-e580-416c-8d78-4a6a60f1958d","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01B6ESyLam1FUanvbczQa1fE","toolUseID":"toolu_01B6ESyLam1FUanvbczQa1fE","timestamp":"2026-02-07T21:31:11.495Z","uuid":"d5421009-8088-4300-be69-9c707e0f93da"}
{"parentUuid":"ef7c1c96-9e08-4792-a58f-01a05c8c2985","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01B6ESyLam1FUanvbczQa1fE","type":"tool_result","content":"   270→      end\n   271→\n   272→      # Aliases\n   273→\n   274→      def set_alias(user_id : String, alias_name : String, doses_string : String) : Bool\n   275→        data = {\"user_id\" => user_id, \"alias_name\" => alias_name, \"doses_string\" => doses_string}\n   276→        response = @http.post(\"/v1/aliases\", data.to_json)\n   277→        response.status_code == 201\n   278→      rescue ex\n   279→        Log.error(\"APIClient\", \"set_alias: #{ex.message}\")\n   280→        false\n   281→      end\n   282→\n   283→      def get_alias(user_id : String, alias_name : String) : String?\n   284→        path = \"/v1/aliases/#{URI.encode_www_form(user_id)}/#{URI.encode_www_form(alias_name)}\"\n   285→        response = @http.get(path)\n   286→        if response.status_code == 200\n   287→          JSON.parse(response.body)[\"data\"]?.try(&.[\"doses_string\"]?).try(&.as_s)\n   288→        end\n   289→      rescue ex\n   290→        Log.error(\"APIClient\", \"get_alias: #{ex.message}\")\n   291→        nil\n   292→      end\n   293→\n   294→      def get_user_aliases(user_id : String) : Hash(String, String)\n   295→        path = \"/v1/aliases/user/#{URI.encode_www_form(user_id)}\"\n   296→        response = @http.get(path)\n   297→        if response.status_code == 200\n   298→          if aliases = JSON.parse(response.body)[\"data\"]?.try(&.[\"aliases\"]?)\n   299→            result = {} of String => String\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"46898c85-8b69-4ebd-84ae-9a34b0dd56f7","timestamp":"2026-02-07T21:31:11.494Z","toolUseResult":{"type":"text","file":{"filePath":"/home/josie/development/personal/josiedot/health/services/discord-bot/lib/josie-health-bot-core/src/api_client.cr","content":"      end\n\n      # Aliases\n\n      def set_alias(user_id : String, alias_name : String, doses_string : String) : Bool\n        data = {\"user_id\" => user_id, \"alias_name\" => alias_name, \"doses_string\" => doses_string}\n        response = @http.post(\"/v1/aliases\", data.to_json)\n        response.status_code == 201\n      rescue ex\n        Log.error(\"APIClient\", \"set_alias: #{ex.message}\")\n        false\n      end\n\n      def get_alias(user_id : String, alias_name : String) : String?\n        path = \"/v1/aliases/#{URI.encode_www_form(user_id)}/#{URI.encode_www_form(alias_name)}\"\n        response = @http.get(path)\n        if response.status_code == 200\n          JSON.parse(response.body)[\"data\"]?.try(&.[\"doses_string\"]?).try(&.as_s)\n        end\n      rescue ex\n        Log.error(\"APIClient\", \"get_alias: #{ex.message}\")\n        nil\n      end\n\n      def get_user_aliases(user_id : String) : Hash(String, String)\n        path = \"/v1/aliases/user/#{URI.encode_www_form(user_id)}\"\n        response = @http.get(path)\n        if response.status_code == 200\n          if aliases = JSON.parse(response.body)[\"data\"]?.try(&.[\"aliases\"]?)\n            result = {} of String => String","numLines":30,"startLine":270,"totalLines":509}},"sourceToolAssistantUUID":"ef7c1c96-9e08-4792-a58f-01a05c8c2985"}
{"parentUuid":"46898c85-8b69-4ebd-84ae-9a34b0dd56f7","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","message":{"model":"claude-opus-4-6","id":"msg_01RLSVEf63NUZeqF5fyYGtjT","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","name":"Bash","input":{"command":"curl -s -u admin:zEx7eNN4LfvpJuXdb1QPbLiDfya0ur https://api.josie.health/v1/aliases/user/imnotjosie 2>&1","description":"Check existing aliases for a user"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":8622,"cache_read_input_tokens":54021,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8622},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CXuRRvd8B6TUMent6U4Ag","type":"assistant","uuid":"0bede463-aefd-437d-be34-dba651ab7b27","timestamp":"2026-02-07T21:31:14.124Z"}
{"parentUuid":"0bede463-aefd-437d-be34-dba651ab7b27","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Bash","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","parentToolUseID":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","uuid":"a648b1ff-9177-4a62-a1d9-5498851f5d8f","timestamp":"2026-02-07T21:31:14.127Z"}
{"parentUuid":"a648b1ff-9177-4a62-a1d9-5498851f5d8f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Bash","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","toolUseID":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","timestamp":"2026-02-07T21:31:45.411Z","uuid":"28941bbd-71d6-4a6b-8079-6af95e5a9b0e"}
{"parentUuid":"0bede463-aefd-437d-be34-dba651ab7b27","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/services","sessionId":"60f38890-aa11-4081-a334-165ed91c5977","version":"2.1.34","gitBranch":"HEAD","slug":"moonlit-whistling-moonbeam","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01H7UE5oa6QoYZ1PuQMj8zg5","type":"tool_result","content":"{\"data\":{\"user_id\":\"imnotjosie\",\"aliases\":{\"josiestack\":\"7g creatine oral; 150mg 5-HTP oral; 325mg magnesium oral; 200mg vitaminc oral; 200mg Na-RALA oral; 100mg EGCG oral\",\"pirate\":\"1 rumncoke oral; 10mg donperidone oral;\"}},\"meta\":{\"count\":2},\"_links\":{\"self\":\"/v1/aliases/user/imnotjosie\",\"create\":\"/v1/aliases\"}}","is_error":false}]},"uuid":"b02835f1-6ea6-4cd4-a02a-a63f899cc6c3","timestamp":"2026-02-07T21:31:45.409Z","toolUseResult":{"stdout":"{\"data\":{\"user_id\":\"imnotjosie\",\"aliases\":{\"josiestack\":\"7g creatine oral; 150mg 5-HTP oral; 325mg magnesium oral; 200mg vitaminc oral; 200mg Na-RALA oral; 100mg EGCG oral\",\"pirate\":\"1 rumncoke oral; 10mg donperidone oral;\"}},\"meta\":{\"count\":2},\"_links\":{\"self\":\"/v1/aliases/user/imnotjosie\",\"create\":\"/v1/aliases\"}}","stderr":"","interrupted":false,"isImage":false},"sourceToolAssistantUUID":"0bede463-aefd-437d-be34-dba651ab7b27"}
{"parentUuid":"b02835f1-6ea6-4cd4-a02a-a63f899cc6c3"	bh=qhT1YKDCoWAuQ/fbU+Jzft0KtxWaMjItJpa4qonB32w=;
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Date: Sat, 07 Feb 2026 17:56:12 -0800
To: mm-commits@vger.kernel.org,ziy@nvidia.com,vbabka@suse.cz,surenb@google.com,stable@vger.kernel.org,ryncsn@gmail.com,mhocko@suse.com,jackmanb@google.com,hughd@google.com,hannes@cmpxchg.org,chrisl@kernel.org,mikhail.v.gavrilov@gmail.com,akpm@linux-foundation.org
From: Andrew Morton <akpm@linux-foundation.org>
Subject: [to-be-updated] mm-page_alloc-clear-page-private-in-split_page-for-tail-pages.patch removed from -mm tree
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  pts rule name              description
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SpamTally: Final spam score: 4


The quilt patch titled
     Subject: mm/page_alloc: clear page->private in split_page() for tail pages
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-clear-page-private-in-split_page-for-tail-pages.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Subject: mm/page_alloc: clear page->private in split_page() for tail pages
Date: Fri, 6 Feb 2026 22:40:17 +0500

When vmalloc allocates high-order pages and splits them via split_page(),
tail pages may retain stale page->private values from previous use by the
buddy allocator.

This causes a use-after-free in the swap subsystem. The swap code uses
vmalloc_to_page() to get struct page pointers for swap_map, then uses
page->private to track swap count continuations. In add_swap_count_
continuation(), the condition "if (!page_private(head))" assumes fresh
pages have page->private == 0, but tail pages from split_page() may have
non-zero stale values.

When page->private accidentally contains a value like SWP_CONTINUED (32),
swap_count_continued() incorrectly assumes the continuation list is valid
and iterates over uninitialized page->lru, which may contain LIST_POISON
values from a previous list_del(), causing a crash:

  KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107]
  RIP: 0010:__do_sys_swapoff+0x1151/0x1860

Fix this by clearing page->private for tail pages in split_page(). Note
that we don't touch page->lru to avoid breaking split_free_page() which
may have the head page on a list.

Link: https://lkml.kernel.org/r/20260206174017.128673-1-mikhail.v.gavrilov@gmail.com
Fixes: 3b8000ae185c ("mm/vmalloc: huge vmalloc backing pages should be split rather than compound")
Signed-off-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zi Yan <ziy@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/mm/page_alloc.c~mm-page_alloc-clear-page-private-in-split_page-for-tail-pages
+++ a/mm/page_alloc.c
@@ -3129,9 +3129,14 @@ void split_page(struct page *page, unsig
 
 	VM_WARN_ON_PAGE(!page_count(page), page);
 
-	for (i = 1; i < (1 << order); i++)
+	for (i = 1; i < (1 << order); i++) {
 		set_page_refcounted(page + i);
-
+		/*
+		 * Tail pages may have stale page->private from buddy
+		 * allocator or previous use. Clear it.
+		 */
+		set_page_private(page + i, 0);
+	}
 	__split_page(page, order);
 }
 EXPORT_SYMBOL_GPL(split_page);
_

Patches currently in -mm which might be from mikhail.v.gavrilov@gmail.com are




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Date: Sat, 07 Feb 2026 18:03:14 -0800
To: mm-commits@vger.kernel.org,ziy@nvidia.com,willy@infradead.org,vbabka@suse.cz,surenb@google.com,stable@vger.kernel.org,ryncsn@gmail.com,npiggin@gmail.com,mhocko@suse.com,jackmanb@google.com,hughd@google.com,hannes@cmpxchg.org,david@kernel.org,chrisl@kernel.org,mikhail.v.gavrilov@gmail.com,akpm@linux-foundation.org
From: Andrew Morton <akpm@linux-foundation.org>
Subject: + mm-page_alloc-clear-page-private-in-free_pages_prepare.patch added to mm-unstable branch
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The patch titled
     Subject: mm/page_alloc: clear page->private in free_pages_prepare()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-page_alloc-clear-page-private-in-free_pages_prepare.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-clear-page-private-in-free_pages_prepare.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Subject: mm/page_alloc: clear page->private in free_pages_prepare()
Date: Sat, 7 Feb 2026 22:36:14 +0500

Several subsystems (slub, shmem, ttm, etc.) use page->private but don't
clear it before freeing pages.  When these pages are later allocated as
high-order pages and split via split_page(), tail pages retain stale
page->private values.

This causes a use-after-free in the swap subsystem.  The swap code uses
page->private to track swap count continuations, assuming freshly
allocated pages have page->private == 0.  When stale values are present,
swap_count_continued() incorrectly assumes the continuation list is valid
and iterates over uninitialized page->lru containing LIST_POISON values,
causing a crash:

  KASAN: maybe wild-memory-access in range [0xdead000000000100-0xdead000000000107]
  RIP: 0010:__do_sys_swapoff+0x1151/0x1860

Fix this by clearing page->private in free_pages_prepare(), ensuring all
freed pages have clean state regardless of previous use.

Link: https://lkml.kernel.org/r/20260207173615.146159-1-mikhail.v.gavrilov@gmail.com
Fixes: 3b8000ae185c ("mm/vmalloc: huge vmalloc backing pages should be split rather than compound")
Signed-off-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Suggested-by: Zi Yan <ziy@nvidia.com>
Acked-by: Zi Yan <ziy@nvidia.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/page_alloc.c~mm-page_alloc-clear-page-private-in-free_pages_prepare
+++ a/mm/page_alloc.c
@@ -1429,6 +1429,7 @@ __always_inline bool free_pages_prepare(
 
 	page_cpupid_reset_last(page);
 	page->flags.f &= ~PAGE_FLAGS_CHECK_AT_PREP;
+	page->private = 0;
 	reset_page_owner(page, order);
 	page_table_check_free(page, order);
 	pgalloc_tag_sub(page, 1 << order);
_

Patches currently in -mm which might be from mikhail.v.gavrilov@gmail.com are

mm-page_alloc-clear-page-private-in-free_pages_prepare.patch



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On Fri, 30 Jan 2026 00:51:51 +0800, Thomas Yen wrote:

> Ensure that the exception event handling work is explicitly flushed
> during suspend when the runtime power management level is set to
> UFS_PM_LVL_0.
> 
> When the RPM level is zero, the device power mode and link state both
> remain active. Previously, the UFS core driver bypassed flushing
> exception event handling jobs in this configuration. This created a race
> condition where the driver could attempt to access the host controller
> to handle an exception after the system had already entered a deep
> power-down state, resulting in a system crash.
> 
> [...]

Applied to 6.20/scsi-queue, thanks!

[1/1] scsi: ufs: core: Flush exception handling work when RPM level is zero
      https://git.kernel.org/mkp/scsi/c/f8ef441811ec

-- 
Martin K. Petersen


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Date: Sun, 8 Feb 2026 07:31:12 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Daniel Hodges <daniel@danielhodges.dev>
Cc: Daniel Hodges <git@danielhodges.dev>,
	Prasanth Ksr <prasanth.ksr@dell.com>,
	Hans de Goede <hansg@kernel.org>,
	Ilpo =?iso-8859-1?Q?J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>,
	Mario Limonciello <mario.limonciello@dell.com>,
	Divya Bharathi <divya.bharathi@dell.com>,
	Dell.Client.Kernel@dell.com, platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] platform/x86: dell-wmi-sysman: fix kobject leak on
 populate failure
Message-ID: <2026020828-panther-rice-9388@gregkh>
References: <20260206231642.30051-1-git@danielhodges.dev>
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On Sat, Feb 07, 2026 at 11:52:11AM -0500, Daniel Hodges wrote:
> On Sat, Feb 07, 2026 at 08:48:34AM +0100, Greg KH wrote:
> > On Fri, Feb 06, 2026 at 06:16:42PM -0500, Daniel Hodges wrote:
> > > When populate_enum_data(), populate_int_data(), populate_str_data(),
> > > or populate_po_data() fails after a successful kobject_init_and_add(),
> > > the code jumps to err_attr_init without calling kobject_put() on
> > > attr_name_kobj, leaking the kobject and its associated memory.
> > > 
> > > Add the missing kobject_put() call before the goto to properly release
> > > the kobject on error.
> > > 
> > > Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
> > > Cc: stable@vger.kernel.org
> > > Signed-off-by: Daniel Hodges <git@danielhodges.dev>
> > > ---
> > >  drivers/platform/x86/dell/dell-wmi-sysman/sysman.c | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
> > > index f5402b714657..d9f6d24c84d6 100644
> > > --- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
> > > +++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
> > > @@ -497,6 +497,7 @@ static int init_bios_attributes(int attr_type, const char *guid)
> > >  		if (retval) {
> > >  			pr_debug("failed to populate %s\n",
> > >  				elements[ATTR_NAME].string.pointer);
> > > +			kobject_put(attr_name_kobj);
> > >  			goto err_attr_init;
> > >  		}
> > >  
> > 
> > The "larger" problem with this driver is its use of raw kobjects.  No
> > driver should be doing that, it is hiding all of this information from
> > userspace tools by doing so, and there's loads of race conditions
> > happening with the creation of these files.  It should be fixed by just
> > using normal device attributes and not attempting to custom create
> > kobjects by hand like this (as it is very easy to get things wrong, as
> > this patch shows.)
> > 
> > thanks,
> > 
> > greg k-h
> 
> Yeah, that makes sense. I think your point of finding "bad patterns" in
> usage would also be really helpful for code analysis tools. If there's
> some canonical docs on various antipatterns it would be pretty helpful.

Huge hint, any driver that calls any sysfs_*() function or touches a
kobject at all, is probably doing things wrong.  Start there and see
what you find :)

thanks,

greg k-h


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From: Maiquel Paiva <maiquelpaiva@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: luiz.dentz@gmail.com,
	gregkh@linuxfoundation.org,
	marcel@holtmann.org,
	Maiquel Paiva <maiquelpaiva@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH v3 2/2] Bluetooth: mgmt: Fix race conditions in mesh handling
Date: Sun,  8 Feb 2026 06:49:50 +0000
Message-ID: <20260208064951.41392-3-maiquelpaiva@gmail.com>
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The functions mgmt_mesh_add and mgmt_mesh_find modify or traverse the
mesh_pending list without locking, leading to potential race conditions
and list corruption.

Use guard(mutex) with hdev->mgmt_pending_lock to protect the critical
sections. This ensures atomic access to the list and reference counter,
preventing the race conditions.

Fixes: b338d91703fa ("Bluetooth: Implement support for Mesh")
Cc: stable@vger.kernel.org
Signed-off-by: Maiquel Paiva <maiquelpaiva@gmail.com>
---
 net/bluetooth/mgmt_util.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index bdce52363332..3c822d5e1f8b 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -397,8 +397,7 @@ struct mgmt_mesh_tx *mgmt_mesh_find(struct hci_dev *hdev, u8 handle)
 {
 	struct mgmt_mesh_tx *mesh_tx;
 
-	if (list_empty(&hdev->mesh_pending))
-		return NULL;
+	guard(mutex)(&hdev->mgmt_pending_lock);
 
 	list_for_each_entry(mesh_tx, &hdev->mesh_pending, list) {
 		if (mesh_tx->handle == handle)
@@ -420,6 +419,8 @@ struct mgmt_mesh_tx *mgmt_mesh_add(struct sock *sk, struct hci_dev *hdev,
 	if (!mesh_tx)
 		return NULL;
 
+	guard(mutex)(&hdev->mgmt_pending_lock);
+
 	hdev->mesh_send_ref++;
 	if (!hdev->mesh_send_ref)
 		hdev->mesh_send_ref++;
-- 
2.43.0



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From: Maiquel Paiva <maiquelpaiva@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: luiz.dentz@gmail.com,
	gregkh@linuxfoundation.org,
	marcel@holtmann.org,
	Maiquel Paiva <maiquelpaiva@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH v3 1/2] Bluetooth: mgmt: Fix heap overflow in mgmt_mesh_add
Date: Sun,  8 Feb 2026 06:49:49 +0000
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Add a check for the user-provided length in mgmt_mesh_add() against
the size of the param buffer. This prevents a heap buffer overflow
if the user provides a length larger than the destination buffer.

Fixes: b338d91703fa ("Bluetooth: Implement support for Mesh")
Cc: stable@vger.kernel.org
Signed-off-by: Maiquel Paiva <maiquelpaiva@gmail.com>
---
 net/bluetooth/mgmt_util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index aa7b5585cb26..bdce52363332 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -413,6 +413,9 @@ struct mgmt_mesh_tx *mgmt_mesh_add(struct sock *sk, struct hci_dev *hdev,
 {
 	struct mgmt_mesh_tx *mesh_tx;
 
+	if (len > sizeof(mesh_tx->param))
+			return NULL;
+
 	mesh_tx = kzalloc(sizeof(*mesh_tx), GFP_KERNEL);
 	if (!mesh_tx)
 		return NULL;
-- 
2.43.0



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To: mm-commits@vger.kernel.org,yonghong.song@linux.dev,ubizjak@gmail.com,stable@vger.kernel.org,sdf@fomichev.me,peterz@infradead.org,paulmck@kernel.org,ojeda@kernel.org,nilay@linux.ibm.com,nathan@kernel.org,namjain@linux.microsoft.com,martin.lau@linux.dev,kpsingh@kernel.org,kees@kernel.org,jolsa@kernel.org,john.fastabend@gmail.com,jason@zx2c4.com,hpa@zytor.com,hca@linux.ibm.com,haoluo@google.com,elver@google.com,eddyz87@gmail.com,daniel@iogearbox.net,bvanassche@acm.org,ast@kernel.org,andrii.nakryiko@gmail.com,alan.maguire@oracle.com,akpm@linux-foundation.org
From: Andrew Morton <akpm@linux-foundation.org>
Subject: [merged mm-nonmm-stable] kcsan-compiler_types-avoid-duplicate-type-issues-in-bpf-type-format.patch removed from -mm tree
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The quilt patch titled
     Subject: kcsan, compiler_types: avoid duplicate type issues in BPF Type Format
has been removed from the -mm tree.  Its filename was
     kcsan-compiler_types-avoid-duplicate-type-issues-in-bpf-type-format.patch

This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Alan Maguire <alan.maguire@oracle.com>
Subject: kcsan, compiler_types: avoid duplicate type issues in BPF Type Format
Date: Fri, 16 Jan 2026 09:17:30 +0000

Enabling KCSAN is causing a large number of duplicate types in BTF for
core kernel structs like task_struct [1].  This is due to the definition
in include/linux/compiler_types.h

`#ifdef __SANITIZE_THREAD__
...
`#define __data_racy volatile
..
`#else
...
`#define __data_racy
...
`#endif

Because some objects in the kernel are compiled without KCSAN flags
(KCSAN_SANITIZE) we sometimes get the empty __data_racy annotation for
objects; as a result we get multiple conflicting representations of the
associated structs in DWARF, and these lead to multiple instances of core
kernel types in BTF since they cannot be deduplicated due to the
additional modifier in some instances.

Moving the __data_racy definition under CONFIG_KCSAN avoids this problem,
since the volatile modifier will be present for both KCSAN and
KCSAN_SANITIZE objects in a CONFIG_KCSAN=y kernel.

Link: https://lkml.kernel.org/r/20260116091730.324322-1-alan.maguire@oracle.com
Fixes: 31f605a308e6 ("kcsan, compiler_types: Introduce __data_racy type qualifier")
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Reported-by: Nilay Shroff <nilay@linux.ibm.com>
Tested-by: Nilay Shroff <nilay@linux.ibm.com>
Suggested-by: Marco Elver <elver@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Bart van Assche <bvanassche@acm.org>
Cc: Daniel Borkman <daniel@iogearbox.net>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Jason A. Donenfeld <jason@zx2c4.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Kees Cook <kees@kernel.org>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Naman Jain <namjain@linux.microsoft.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@fomichev.me>
Cc: Uros Bizjak <ubizjak@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/compiler_types.h |   23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

--- a/include/linux/compiler_types.h~kcsan-compiler_types-avoid-duplicate-type-issues-in-bpf-type-format
+++ a/include/linux/compiler_types.h
@@ -303,6 +303,22 @@ struct ftrace_likely_data {
 # define __no_kasan_or_inline __always_inline
 #endif
 
+#ifdef CONFIG_KCSAN
+/*
+ * Type qualifier to mark variables where all data-racy accesses should be
+ * ignored by KCSAN. Note, the implementation simply marks these variables as
+ * volatile, since KCSAN will treat such accesses as "marked".
+ *
+ * Defined here because defining __data_racy as volatile for KCSAN objects only
+ * causes problems in BPF Type Format (BTF) generation since struct members
+ * of core kernel data structs will be volatile in some objects and not in
+ * others.  Instead define it globally for KCSAN kernels.
+ */
+# define __data_racy volatile
+#else
+# define __data_racy
+#endif
+
 #ifdef __SANITIZE_THREAD__
 /*
  * Clang still emits instrumentation for __tsan_func_{entry,exit}() and builtin
@@ -314,16 +330,9 @@ struct ftrace_likely_data {
  * disable all instrumentation. See Kconfig.kcsan where this is mandatory.
  */
 # define __no_kcsan __no_sanitize_thread __disable_sanitizer_instrumentation
-/*
- * Type qualifier to mark variables where all data-racy accesses should be
- * ignored by KCSAN. Note, the implementation simply marks these variables as
- * volatile, since KCSAN will treat such accesses as "marked".
- */
-# define __data_racy volatile
 # define __no_sanitize_or_inline __no_kcsan notrace __maybe_unused
 #else
 # define __no_kcsan
-# define __data_racy
 #endif
 
 #ifdef __SANITIZE_MEMORY__
_

Patches currently in -mm which might be from alan.maguire@oracle.com are




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Date: Sun, 08 Feb 2026 00:14:18 -0800
To: mm-commits@vger.kernel.org,zhang.run@zte.com.cn,tglx@linutronix.de,stable@vger.kernel.org,pmladek@suse.com,mingo@kernel.org,broonie@kernel.org,hu.shengming@zte.com.cn,akpm@linux-foundation.org
From: Andrew Morton <akpm@linux-foundation.org>
Subject: [merged mm-nonmm-stable] watchdog-softlockup-fix-sample-ring-index-wrap-in-need_counting_irqs.patch removed from -mm tree
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The quilt patch titled
     Subject: watchdog/softlockup: fix sample ring index wrap in need_counting_irqs()
has been removed from the -mm tree.  Its filename was
     watchdog-softlockup-fix-sample-ring-index-wrap-in-need_counting_irqs.patch

This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Shengming Hu <hu.shengming@zte.com.cn>
Subject: watchdog/softlockup: fix sample ring index wrap in need_counting_irqs()
Date: Mon, 19 Jan 2026 21:59:05 +0800

cpustat_tail indexes cpustat_util[], which is a NUM_SAMPLE_PERIODS-sized
ring buffer. need_counting_irqs() currently wraps the index using
NUM_HARDIRQ_REPORT, which only happens to match NUM_SAMPLE_PERIODS.

Use NUM_SAMPLE_PERIODS for the wrap to keep the ring math correct even if
the NUM_HARDIRQ_REPORT or  NUM_SAMPLE_PERIODS changes.

Link: https://lkml.kernel.org/r/tencent_7068189CB6D6689EB353F3D17BF5A5311A07@qq.com
Fixes: e9a9292e2368 ("watchdog/softlockup: Report the most frequent interrupts")
Signed-off-by: Shengming Hu <hu.shengming@zte.com.cn>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Zhang Run <zhang.run@zte.com.cn>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/watchdog.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/watchdog.c~watchdog-softlockup-fix-sample-ring-index-wrap-in-need_counting_irqs
+++ a/kernel/watchdog.c
@@ -550,7 +550,7 @@ static bool need_counting_irqs(void)
 	u8 util;
 	int tail = __this_cpu_read(cpustat_tail);
 
-	tail = (tail + NUM_HARDIRQ_REPORT - 1) % NUM_HARDIRQ_REPORT;
+	tail = (tail + NUM_SAMPLE_PERIODS - 1) % NUM_SAMPLE_PERIODS;
 	util = __this_cpu_read(cpustat_util[tail][STATS_HARDIRQ]);
 	return util > HARDIRQ_PERCENT_THRESH;
 }
_

Patches currently in -mm which might be from hu.shengming@zte.com.cn are

mm-page_alloc-avoid-overcounting-bulk-alloc-in-watermark-check.patch



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From: Maiquel Paiva <maiquelpaiva@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: luiz.dentz@gmail.com,
	gregkh@linuxfoundation.org,
	marcel@holtmann.org,
	Maiquel Paiva <maiquelpaiva@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH v4 1/2] Bluetooth: mgmt: Fix heap overflow in mgmt_mesh_add
Date: Sun,  8 Feb 2026 08:15:58 +0000
Message-ID: <20260208081559.44983-2-maiquelpaiva@gmail.com>
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Add a check for the user-provided length in mgmt_mesh_add() against
the size of the param buffer. This prevents a heap buffer overflow
if the user provides a length larger than the destination buffer.

Fixes: b338d91703fa ("Bluetooth: Implement support for Mesh")
Cc: stable@vger.kernel.org
Signed-off-by: Maiquel Paiva <maiquelpaiva@gmail.com>
---
 net/bluetooth/mgmt_util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index aa7b5585cb26..bdce52363332 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -413,6 +413,9 @@ struct mgmt_mesh_tx *mgmt_mesh_add(struct sock *sk, struct hci_dev *hdev,
 {
 	struct mgmt_mesh_tx *mesh_tx;
 
+	if (len > sizeof(mesh_tx->param))
+			return NULL;
+
 	mesh_tx = kzalloc(sizeof(*mesh_tx), GFP_KERNEL);
 	if (!mesh_tx)
 		return NULL;
-- 
2.43.0



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From: Maiquel Paiva <maiquelpaiva@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: luiz.dentz@gmail.com,
	gregkh@linuxfoundation.org,
	marcel@holtmann.org,
	Maiquel Paiva <maiquelpaiva@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH v4 2/2] Bluetooth: mgmt: Fix race conditions in mesh handling
Date: Sun,  8 Feb 2026 08:15:59 +0000
Message-ID: <20260208081559.44983-3-maiquelpaiva@gmail.com>
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                             DNSWL was blocked.  See
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The functions mgmt_mesh_add and mgmt_mesh_find modify or traverse the
mesh_pending list without locking, leading to potential race conditions
and list corruption.

Use guard(spinlock) with hdev->lock to protect the critical sections.
This ensures atomic access to the list and reference counter, preventing
race conditions and avoiding sleeping in atomic context (which fixes CI
failures).

Fixes: b338d91703fa ("Bluetooth: Implement support for Mesh")
Cc: stable@vger.kernel.org
Signed-off-by: Maiquel Paiva <maiquelpaiva@gmail.com>
---
 net/bluetooth/mgmt_util.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index bdce52363332..af9194e44943 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -397,8 +397,7 @@ struct mgmt_mesh_tx *mgmt_mesh_find(struct hci_dev *hdev, u8 handle)
 {
 	struct mgmt_mesh_tx *mesh_tx;
 
-	if (list_empty(&hdev->mesh_pending))
-		return NULL;
+	guard(spinlock)(&hdev->lock);
 
 	list_for_each_entry(mesh_tx, &hdev->mesh_pending, list) {
 		if (mesh_tx->handle == handle)
@@ -420,6 +419,8 @@ struct mgmt_mesh_tx *mgmt_mesh_add(struct sock *sk, struct hci_dev *hdev,
 	if (!mesh_tx)
 		return NULL;
 
+	guard(spinlock)(&hdev->lock);
+
 	hdev->mesh_send_ref++;
 	if (!hdev->mesh_send_ref)
 		hdev->mesh_send_ref++;
-- 
2.43.0



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From: Kevin Hao <haokexin@gmail.com>
Date: Sun, 08 Feb 2026 16:45:52 +0800
Subject: [PATCH net] net: macb: Fix tx/rx malfunction after phy link down
 and up
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To: netdev@vger.kernel.org
Cc: Kevin Hao <haokexin@gmail.com>, stable@vger.kernel.org, 
 Nicolas Ferre <nicolas.ferre@microchip.com>, 
 Claudiu Beznea <claudiu.beznea@tuxon.dev>, 
 Andrew Lunn <andrew+netdev@lunn.ch>, 
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, 
 Xiaolei Wang <xiaolei.wang@windriver.com>
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In commit 99537d5c476c ("net: macb: Relocate mog_init_rings() callback
from macb_mac_link_up() to macb_open()"), the mog_init_rings() callback
was moved from macb_mac_link_up() to macb_open() to resolve a deadlock
issue. However, this change introduced a tx/rx malfunction following
phy link down and up events. The issue arises from a mismatch between
the software queue->tx_head, queue->tx_tail, queue->rx_prepared_head,
and queue->rx_tail values and the hardware's internal tx/rx queue
pointers.

According to the Zynq UltraScale TRM [1], when tx/rx is disabled, the
internal tx queue pointer resets to the value in the tx queue base
address register, while the internal rx queue pointer remains unchanged.
The following is quoted from the Zynq UltraScale TRM:
  When transmit is disabled, with bit [3] of the network control register
  set low, the transmit-buffer queue pointer resets to point to the address
  indicated by the transmit-buffer queue base address register. Disabling
  receive does not have the same effect on the receive-buffer queue
  pointer.

Additionally, there is no need to reset the RBQP and TBQP registers in a
phy event callback. Therefore, move macb_init_buffers() to macb_open().
In a phy link up event, the only required action is to reset the tx
software head and tail pointers to align with the hardware's behavior.

[1] https://docs.amd.com/v/u/en-US/ug1085-zynq-ultrascale-trm

Fixes: 99537d5c476c ("net: macb: Relocate mog_init_rings() callback from macb_mac_link_up() to macb_open()")
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Cc: stable@vger.kernel.org
---
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Xiaolei Wang <xiaolei.wang@windriver.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index effef67d80731e5cc795fcef5adc280ad931eda9..43cd013bb70e6bd08a31a0826364e4f34c0e0b89 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -705,14 +705,12 @@ static void macb_mac_link_up(struct phylink_config *config,
 		if (rx_pause)
 			ctrl |= MACB_BIT(PAE);
 
-		/* Initialize rings & buffers as clearing MACB_BIT(TE) in link down
-		 * cleared the pipeline and control registers.
-		 */
-		macb_init_buffers(bp);
-
-		for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue)
+		for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
+			queue->tx_head = 0;
+			queue->tx_tail = 0;
 			queue_writel(queue, IER,
 				     bp->rx_intr_mask | MACB_TX_INT_FLAGS | MACB_BIT(HRESP));
+		}
 	}
 
 	macb_or_gem_writel(bp, NCFGR, ctrl);
@@ -2954,6 +2952,7 @@ static int macb_open(struct net_device *dev)
 	}
 
 	bp->macbgem_ops.mog_init_rings(bp);
+	macb_init_buffers(bp);
 
 	for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
 		napi_enable(&queue->napi_rx);

---
base-commit: 9845cf73f7db6094c0d8419d6adb848028f4a921
change-id: 20260207-macb-init-ring-b0e37b3a3755

Best regards,
-- 
Kevin Hao <haokexin@gmail.com>



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