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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 ADD89C4338F for ; Tue, 17 Aug 2021 08:19:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A13E60E78 for ; Tue, 17 Aug 2021 08:19:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235089AbhHQITz (ORCPT ); Tue, 17 Aug 2021 04:19:55 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:49812 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234959AbhHQITp (ORCPT ); Tue, 17 Aug 2021 04:19:45 -0400 Received: by mail-il1-f200.google.com with SMTP id a15-20020a92444f000000b0022473393120so3933748ilm.16 for ; Tue, 17 Aug 2021 01:19:12 -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=v7Suw8Wuf/OUCzg/q1QAF/HIhF+USLUXdeQ4IT6YwQU=; b=oJBXM/uc0RQVK95Ed23OXAq9/C3s7AW5yveJ0nhIfGd2dgQVbWCXsRwrQPx/7vUN5G 7dCEYikcZH6RoHArEhg+o261c5mK4iAT50LnjIfPrUB5kmkDEfnNEi3vglA5mtd77R9f 2dF7yLvYO7jhJf73JFjtjW1+aKc6GZQZJZO/5QOsWaE+Bp7+mDUi3gmllORleGU+fEX+ U1hTgEHbG7v+Qqi+dyVJQtev+UWKwv+eOqGYLosYSLst1p7duTNuccw/0LGkYR4+yAc/ GQla6AuJH2kRFelRD5aOMQSb2ygF54bugsW5aI7lyCdYseN9OM8qykromvmciUuYRTXm adXA== X-Gm-Message-State: AOAM532Nnmk8dMW9hmA7vzdE1OVOe/obeHbqzWD9nfEi9p9a2DI3+4Oz o7XR9JtcPXzSO+ZuFc/ViVSICTusyJfoSVtqxrqUjlD+9PkB X-Google-Smtp-Source: ABdhPJx0yFNciOMcqB4BPAMWZWuOFnOun69pnpvkeraaKxBZjdZQSIVasmHZrwPztaBxc0fYb6tcdTbqwo3MH47lhjd3oBGqHBBD MIME-Version: 1.0 X-Received: by 2002:a92:cb4b:: with SMTP id f11mr1569466ilq.189.1629188352582; Tue, 17 Aug 2021 01:19:12 -0700 (PDT) Date: Tue, 17 Aug 2021 01:19:12 -0700 In-Reply-To: <00000000000020339705c9ad30ee@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000007299005c9bcf9e9@google.com> Subject: Re: [syzbot] general protection fault in __io_queue_sqe From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org syzbot has bisected this issue to: commit 483fc4e30869f8bd1693aca9cffddb21fb303b32 Author: Pavel Begunkov Date: Sun Aug 15 09:40:26 2021 +0000 io_uring: optimise io_prep_linked_timeout() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16fada7e300000 start commit: b9011c7e671d Add linux-next specific files for 20210816 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15fada7e300000 console output: https://syzkaller.appspot.com/x/log.txt?x=11fada7e300000 kernel config: https://syzkaller.appspot.com/x/.config?x=a245d1aa4f055cc1 dashboard link: https://syzkaller.appspot.com/bug?extid=2b85e9379c34945fe38f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17479216300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147f0111300000 Reported-by: syzbot+2b85e9379c34945fe38f@syzkaller.appspotmail.com Fixes: 483fc4e30869 ("io_uring: optimise io_prep_linked_timeout()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection