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 EF354C433FE for ; Wed, 8 Dec 2021 05:04:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230011AbhLHFHo (ORCPT ); Wed, 8 Dec 2021 00:07:44 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:37823 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229720AbhLHFHn (ORCPT ); Wed, 8 Dec 2021 00:07:43 -0500 Received: by mail-il1-f200.google.com with SMTP id d2-20020a056e02214200b0029e6bb73635so1442240ilv.4 for ; Tue, 07 Dec 2021 21:04:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=tnvEcnHI7deEWxbqkKI/fN2Wn+QIAlfc8X3oFKTEmqY=; b=rCt1v9L4YHWZnhBswDYQZPMFyADNmTkpppnJj7ut/U8O5qLpBAtuYNQf71lT8vx40/ loNlJ34DGhWwswzswrpF6t5Cm27RFJYwkCFdl4EzCWecVLpdZAD5/OolZ2n0f75ijLq5 TppV40q02nC+xfo1LUOHbSVLsMUNe+BLlDdPmfoIeVgVDUqmg1/MhEtt+L5HFd4GZKGi +RF/EnzxfeujAMqXmBgc11Wx+dHnw0D6WwsNE81hlqYiUdFvQKVEOctkqa+7eUTHmlvZ DZRrjCY/2rvqAAppNJJ4YDYp58XHRMK0QlfEv/jwxwBqpjrXY8PSIH984Fd7Dm/h4XtO P20Q== X-Gm-Message-State: AOAM5332jPUbDAXlNHrC701LMGEby47EckAL4PzHO/JYuIFU3mr9NSDq GKDhn1bag1tuLZoARXAT+VArrT6qWQyMox8K/4c6NTq7e6Tq X-Google-Smtp-Source: ABdhPJwm0RWykDAPtEx8UlrJfAiQzKFk5qK0UkARc6aPbXgU5gciPJ8DsiwY9aXoIJsshTCDAJiywzLcKqgahKGSviNBMVtm5Mh8 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:148c:: with SMTP id n12mr3885081ilk.89.1638939851818; Tue, 07 Dec 2021 21:04:11 -0800 (PST) Date: Tue, 07 Dec 2021 21:04:11 -0800 In-Reply-To: <0000000000007de81505cfea992f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ad0e4105d29b6b0f@google.com> Subject: Re: [syzbot] KASAN: use-after-free Write in io_submit_one From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, bcrl@kvack.org, linux-aio@kvack.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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 54a88eb838d37af930c9f19e1930a4fba6789cb5 Author: Pavel Begunkov Date: Sat Oct 23 16:21:32 2021 +0000 block: add single bio async direct IO helper bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1615e2b9b00000 start commit: 04fe99a8d936 Add linux-next specific files for 20211207 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1515e2b9b00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1115e2b9b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=4589399873466942 dashboard link: https://syzkaller.appspot.com/bug?extid=3587cbbc6e1868796292 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17db884db00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e9eabdb00000 Reported-by: syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com Fixes: 54a88eb838d3 ("block: add single bio async direct IO helper") For information about bisection process see: https://goo.gl/tpsmEJ#bisection