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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g63si21145843pgc.487.2022.02.11.02.53.38; Fri, 11 Feb 2022 02:53:49 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343961AbiBKJNJ (ORCPT + 99 others); Fri, 11 Feb 2022 04:13:09 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:55810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238904AbiBKJNI (ORCPT ); Fri, 11 Feb 2022 04:13:08 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F7E5F01 for ; Fri, 11 Feb 2022 01:13:08 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id y3-20020a920903000000b002be462612d7so5651061ilg.10 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=TxjYgj8r42WklazyNHfJSEfJ9TzoyMcVnucstA+phx0ULcorkABoAnLYO4PYq541Dy NBNiooF+x/cHQSvtlXrsfVSePzhi33PpeLz5zR+r0/LN4XdluaZpsC0QluWqBuiw6QNk dMTs2NMHFkWSVjQxKKmStbfN5oOZYxqiZUaC+/B14bwz94nHGrpdsa4vZGMCVb6CK9pt iEHL9Tl1jrxjtjp/sx5gU7wzi2PEZ/eT33uzZ0P+brF5K6sL2bNmuxTTNHFxxbAPzP0f LBOxsYk3gU4JubdcNnpKSbjuAEyDq2cEjTQ/plN6jV2wp3l1lNbFFw6idnxv2GL2kNz1 gDFw== X-Gm-Message-State: AOAM5332gcRKnN142J+XkZtEH5DYjLjAGHVXGrv0+Wmom4sYw5tknhse xWuSzwFX4rKF/KcRll9OY/aALbF9zcDeysVr/9pc2POAkB0p 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" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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