r listed at https://www.dnswl.org/, medium trust [147.75.80.249 listed in list.dnswl.org] -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender SpamTally: Final spam score: -34 On Sun, Nov 9, 2025 at 12:57=E2=80=AFAM Qianchang Zhao wrote: > > When size equals the current i_size (including 0), the code used to call > check_lock_range(filp, i_size, size - 1, WRITE), which computes `size - 1= ` > and can underflow for size=3D=3D0. Skip the equal case. > > Reported-by: Qianchang Zhao > Reported-by: Zhitong Liu > Cc: stable@vger.kernel.org > Signed-off-by: Qianchang Zhao Applied it to #ksmbd-for-next-next. Thanks! From - Sun Nov 09 12:41:50 2025 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id cATcCZCLEGmN2C8AYBR5ng (envelope-from ) for ; Sun, 09 Nov 2025 12:39:44 +0000 Return-path: Envelope-to: hi@josie.lol Delivery-date: Sun, 09 Nov 2025 12:39:44 +0000 Received: from dfw.mirrors.kernel.org ([142.0.200.124]) by witcher.mxrouting.net with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1vI4hq-0000000Dp5I-3YVD for hi@josie.lol; Sun, 09 Nov 2025 12:39:44 +0000 Received: from smtp.subspace.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.mirrors.kernel.org (Postfix) with ESMTPS id DACE44E055E for ; Sun, 9 Nov 2025 12:39:41 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8A2D42DEA7E; Sun, 9 Nov 2025 12:39:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=aliyun.com header.i=@aliyun.com header.b="pBDK//sH" X-Original-To: stable@vger.kernel.org Received: from out30-77.freemail.mail.aliyun.com (out30-77.freemail.mail.aliyun.com [115.124.30.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F7B51FF1B5 for ; Sun, 9 Nov 2025 12:39:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762691979; cv=none; b=LRtI9SVg2ExWHVcNhaNnplMji69iPg9GNCaKXSoGwsEDiIfYzXiINaootyvk7WnSl17LOwXe3C1bbEv1XMcW9HqXdXbg0axGyo0aUH8MIvjD3grufJzvO6+vpUwqJfCHDS7SOE7xSE2fSCT/PHCgquFhKPNmcNC5MeJ514Gav1E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762691979; c=relaxed/simple; bh=tgaJipRxzgSlf8d/QzOrKvDBYhmAcCFCzqYrEdF6GyE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=HetumnmtxaKXSYa04aHesPhdEvXBKuvocJuUuw7uaEJzplWXh7QyZ+oy/QLepLBOkvJgrZC7mBrWsrWveT3J5dMuIZ5QyO9q2PmURKMMzBmpxk+1TemMW59CF9e9ZFv57PH9p/Wnfja2BW9RTU4erAkedMbD2F9QddOGZrnj0MA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aliyun.com; spf=pass smtp.mailfrom=aliyun.com; dkim=pass (1024-bit key) header.d=aliyun.com header.i=@aliyun.com header.b=pBDK//sH; arc=none smtp.client-ip=115.124.30.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aliyun.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aliyun.com DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=aliyun.com; s=s1024;