From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5167C4338F for ; Sat, 21 Aug 2021 04:31:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8279611C6 for ; Sat, 21 Aug 2021 04:31:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229653AbhHUEbs (ORCPT ); Sat, 21 Aug 2021 00:31:48 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:40471 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbhHUEbr (ORCPT ); Sat, 21 Aug 2021 00:31:47 -0400 Received: by mail-il1-f199.google.com with SMTP id f13-20020a056e02168d00b002244a6aa233so6590036ila.7 for ; Fri, 20 Aug 2021 21:31:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=SF7CJ7/rhuB732OlNTU5mo9NpnEHv8CCUjOPhiyovzs=; b=sBJrpCggJi9OLFfQoBnWHOcxJGeAoK5jwI4Xuufcvo4XXPBws9V9lLPDwAIHlKffaf BPrWgbqV0sjRqmB95WGPhrBzT7pO6Uu7HLgwn2qNfzwGZBHZbsiL62d4hBAdHCSt5uhr VqtqCssUdK6lfLZZavVuV154N7oxdr+NjK7AYTcDNABS7dNXDzlk48eyzAhFtCjsyY8m eAv4jGPYKGTm/uiZcczwaINNP9NuDAw4v24Lr1nH40+VDesJwp1z4NHffxlUVZlHxrp7 w9zP48o3jGLnYHSJOI4KIiNFzMY9FgZ+2q422VJzDqyzUSL1Jaou72DajpRpGOoZIFfr aXLQ== X-Gm-Message-State: AOAM531Fk02NpfFx4oiXBs5rDhydcpsJc9BUjhQNM4+wJZ7vtX2MLn4i mZwSD3Unb9QS6tEcZ3SdtMR5J3fDFfdsN0BSH0QSoXUSlKIv X-Google-Smtp-Source: ABdhPJycMqq/kBL2U5zB47hNjELZkvB5idcY6iW8Hlasb11U5hpKLy4m+yBfr4uFPLYUMUrNouEoNKeSUgoD52HA2d7TvQtxdc9v MIME-Version: 1.0 X-Received: by 2002:a05:6638:1905:: with SMTP id p5mr20766782jal.25.1629520268905; Fri, 20 Aug 2021 21:31:08 -0700 (PDT) Date: Fri, 20 Aug 2021 21:31:08 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c8531505ca0a4047@google.com> Subject: Re: [syzbot] KASAN: use-after-free Write in ext4_write_inline_data From: syzbot To: adilger.kernel@dilger.ca, bvanassche@acm.org, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+1bd003b0dbaa786227e6@syzkaller.appspotmail.com Tested on: commit: 9e445093 ext4: fix race writing to an inline_data file.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git kernel config: https://syzkaller.appspot.com/x/.config?x=7273c75708b55890 dashboard link: https://syzkaller.appspot.com/bug?extid=1bd003b0dbaa786227e6 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 Note: testing is done by a robot and is best-effort only.