int parse_apply_sb_mount_options(struct super_block *sb,
 	if (!sbi->s_es->s_mount_opts[0])
 		return 0;
 
-	s_mount_opts = kstrndup(sbi->s_es->s_mount_opts,
-				sizeof(sbi->s_es->s_mount_opts),
-				GFP_KERNEL);
-	if (!s_mount_opts)
-		return ret;
+	strscpy_pad(s_mount_opts, sbi->s_es->s_mount_opts);
 
 	fc = kzalloc(sizeof(struct fs_context), GFP_KERNEL);
 	if (!fc)
-		goto out_free;
+		return -ENOMEM;
 
 	s_ctx = kzalloc(sizeof(struct ext4_fs_context), GFP_KERNEL);
 	if (!s_ctx)
@@ -2517,11 +2513,8 @@ static int parse_apply_sb_mount_options(struct super_block *sb,
 	ret = 0;
 
 out_free:
-	if (fc) {
-		ext4_fc_free(fc);
-		kfree(fc);
-	}
-	kfree(s_mount_opts);
+	ext4_fc_free(fc);
+	kfree(fc);
 	return ret;
 }
 FAILED: patch "[PATCH] ext4: avoid potential buffer over-read in" failed to apply to 5.4-stable tree<gregkh@linuxfoundation.org> undefinedtytso@mit.edu,djwong@kernel.org,jack@suse.cz undefined undefined undefined undefined—1ƒœ\