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 D88CCC433EF for ; Fri, 11 Feb 2022 09:13:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243239AbiBKJNJ (ORCPT ); Fri, 11 Feb 2022 04:13:09 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:55808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbiBKJNI (ORCPT ); Fri, 11 Feb 2022 04:13:08 -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 38602F69 for ; Fri, 11 Feb 2022 01:13:08 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id p16-20020a927410000000b002be8797ac0bso5490304ilc.7 for ; Fri, 11 Feb 2022 01:13:08 -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=DsxbeR1l3tRF+9DPLDGsjVsnknNa637pd3J+B6ACmng=; b=wxQkgyBqzGcZj+IszVBKkR20evTtoM3ANw/l9qsWE6tYKg5BbzWuQ7Jq0FFWw2xjWX e01xjyLIbymJPR1TthoDs0GvSsy1E3eCR5q7J/sVO/BFsQTkt32co2q9EcF0Vlnm/aPf EJi1v06yE2llweqR7euy86kRGh7Jf3gWzV7uvvYTTKmEQFPbpHZlpCiZ9w51lEY1Wad8 NfJ9TtwTOqT+M9DYCEeU4wPVB3rH+Uou3C7Etv3KqaBrNTAQz0ybjjmjU8UTXrK5lM9m rPwo9kQ4w3M1ctjXIzZRx4JcQDPs7UbQrOjiS1MuREcyS6cN52lgj8ZhVbpegOCls1C9 5HvQ== X-Gm-Message-State: AOAM530Wb4UVyUeuD4hvonL31x51q13U+NLAk6dR/yNBzyrHR2mhtR/8 ToN7jnqrUUU1zoEVSeNCapxoGH3LtEse/Bq6jUcEW4/NvHNa X-Google-Smtp-Source: ABdhPJyAlGmMp8F7U7k+cHSU2CYS73uf0jYpgEQvmOWeay1LyK2Krk2chHwJZC38Nk2WYShiX2szVfhC+S2lgXl8gW9XCHvJOoKT MIME-Version: 1.0 X-Received: by 2002:a05:6602:1345:: with SMTP id i5mr346782iov.143.1644570787508; Fri, 11 Feb 2022 01:13:07 -0800 (PST) Date: Fri, 11 Feb 2022 01:13:07 -0800 In-Reply-To: <000000000000d5358b05bfe10354@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000098f75305d7ba7942@google.com> Subject: Re: [syzbot] possible deadlock in io_poll_double_wake (3) From: syzbot To: alaaemadhossney.ae@gmail.com, asml.silence@gmail.com, axboe@kernel.dk, dvyukov@google.com, hdanton@sina.com, 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 suspects this issue was fixed by commit: commit aa43477b040251f451db0d844073ac00a8ab66ee Author: Pavel Begunkov Date: Wed Dec 15 22:08:48 2021 +0000 io_uring: poll rework bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=110d0baa700000 start commit: c9e6606c7fe9 Linux 5.16-rc8 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4772459294eb89cc dashboard link: https://syzkaller.appspot.com/bug?extid=e654d4e15e6b3b9deb53 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10f87335b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15ac8a73b00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: io_uring: poll rework For information about bisection process see: https://goo.gl/tpsmEJ#bisection