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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55562C4332F for ; Wed, 4 Jan 2023 19:38:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240199AbjADTie (ORCPT ); Wed, 4 Jan 2023 14:38:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240186AbjADTiX (ORCPT ); Wed, 4 Jan 2023 14:38:23 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C701325C9 for ; Wed, 4 Jan 2023 11:38:20 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id j3-20020a056e02154300b00304bc968ef1so21545241ilu.4 for ; Wed, 04 Jan 2023 11:38:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4klnHWgFntXJFe1mNy3ktVGZOT5lIaQUJZBRl6du9As=; b=u5USPUEFl1kF+njk1X/x9kTWVS6UNh8wQ2vW1+4UxASp6g4MDBuPzZtl7LqJwiWVPi M8rKPsxA+Rr8IF+DRqx1Ve+I0lDlL2TRGSjx0Qw18tI2Bh/C2lYp2+l8uFtwisfag8p2 zxGHnkm7kLgOx32PmwrRVOgDbPHgmeuAD3qiAVpV0XlX1JnxJqhRM+E5yvHV4zoxEE36 OsvaCSh40B8mAH5RVtzkuj2Op25IIxpIOQuKg1wcT2ub9U6rABAs4yh9sn3FJPdWVm2B JRmhcKTkqZVxNZD+ihuoqUdlh7cDibPx5uw3EVqlkYinIxbn6qM9eA7kwt2vZUDjj1Ob 3WVQ== X-Gm-Message-State: AFqh2kq6a2KKPFp2XNrOa7rwDoLjZeZbqkNojdQEbKAsvvhU7U6itvwy EMTWlW8EBXeXAKqu0UoxEMWqI8fj+fGF+A8PtNnVGF0fC1Cb X-Google-Smtp-Source: AMrXdXvyG+VLSqREN5kVIlZt67ykVaVDAsb4CMVjysJYq7UJqNBRTeukgJg3xjw94TDfvueU6efvADxCWW38A/y0GwmGafcXTngs MIME-Version: 1.0 X-Received: by 2002:a5d:9c0a:0:b0:6a1:2c0c:6084 with SMTP id 10-20020a5d9c0a000000b006a12c0c6084mr2993349ioe.128.1672861100139; Wed, 04 Jan 2023 11:38:20 -0800 (PST) Date: Wed, 04 Jan 2023 11:38:20 -0800 In-Reply-To: <00000000000099fc4705f1192c71@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a1ed5905f1755333@google.com> Subject: Re: [syzbot] [f2fs?] KASAN: use-after-free Read in __update_extent_tree_range From: syzbot To: chao@kernel.org, daehojeong@google.com, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, mingo@redhat.com, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 3db1de0e582c358dd013f3703cd55b5fe4076436 Author: Daeho Jeong Date: Thu Apr 28 18:18:09 2022 +0000 f2fs: change the current atomic write way bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15c77d38480000 start commit: 1b929c02afd3 Linux 6.2-rc1 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17c77d38480000 console output: https://syzkaller.appspot.com/x/log.txt?x=13c77d38480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2651619a26b4d687 dashboard link: https://syzkaller.appspot.com/bug?extid=823000d23b3400619f7c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12597238480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ae9d7f880000 Reported-by: syzbot+823000d23b3400619f7c@syzkaller.appspotmail.com Fixes: 3db1de0e582c ("f2fs: change the current atomic write way") For information about bisection process see: https://goo.gl/tpsmEJ#bisection