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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 8AC42C433B4 for ; Thu, 15 Apr 2021 18:28:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50DDF6109D for ; Thu, 15 Apr 2021 18:28:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233955AbhDOS2j (ORCPT ); Thu, 15 Apr 2021 14:28:39 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:36675 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233551AbhDOS2j (ORCPT ); Thu, 15 Apr 2021 14:28:39 -0400 Received: by mail-io1-f72.google.com with SMTP id n4-20020a6b72040000b02903e09873919eso2370838ioc.3 for ; Thu, 15 Apr 2021 11:28:15 -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=QcBQJFJwd2aEtIteetaGG/NNxY6JLsPcvgrNpo8jHbk=; b=XtAZTAMCgxedztU0+Wf1PQrA/Oa+2B3npT+1ygueb1G7XGaGeiZOwViVHaAchzARFU H79Q/PujQ1CJ9keJyCO2AqiU+foYJiTj6BGL2YVoBrJJaivrTaA5rQV+JjQQVZrXvjG4 NC+1Ig7dbcT6iwGf9rkq2YEuNPP9o18sICUBuBjGx9N7Mgydj/RUTUbD/HI+kvgnyW2D nxViWl0gRoRAAtvwAn2XUcBD9UiZ71Awc7mlAV4cEHmsWdui8OJ3R7mg0lloJawMbIxq aPw3pO1E5cxwUW9Qae/0nzEnsNrbZcTCmRFWOzmOujfHnJNh+dh4Nd275hkB5KKgFXs7 F3aA== X-Gm-Message-State: AOAM532dCZ5emmbMvv/QgLpaH48XK6w4BXw+X/vvzkADa2gVnBK82EY/ 2V4LLWELjlnk+Aja8R3ufti4M/zdJlMwnbhakQ5yAsjmZgDc X-Google-Smtp-Source: ABdhPJzR7sLHcpumy/6kCx1qc15PEYlD0neZyz+Ah1Ca4KfHJ6bce2sBktWLqLWHsbeivK+sCNtzs8AsWnq00gxoLBZplqdQ5jdZ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1ca7:: with SMTP id x7mr4050791ill.10.1618511295436; Thu, 15 Apr 2021 11:28:15 -0700 (PDT) Date: Thu, 15 Apr 2021 11:28:15 -0700 In-Reply-To: <000000000000ca835605b0e8a723@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d45f8005c00706a1@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in idr_for_each (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, egiptomarmol@loucastone.com, hdanton@sina.com, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mail@anirudhrb.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 61cf93700fe6359552848ed5e3becba6cd760efa Author: Matthew Wilcox (Oracle) Date: Mon Mar 8 14:16:16 2021 +0000 io_uring: Convert personality_idr to XArray bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f91b9ad00000 start commit: dd86e7fa Merge tag 'pci-v5.11-fixes-2' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e83e68d0a6aba5f6 dashboard link: https://syzkaller.appspot.com/bug?extid=12056a09a0311d758e60 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=174b80ef500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165522d4d00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: io_uring: Convert personality_idr to XArray For information about bisection process see: https://goo.gl/tpsmEJ#bisection