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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C771CC433EF for ; Tue, 12 Oct 2021 10:43:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B06846101D for ; Tue, 12 Oct 2021 10:43:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236103AbhJLKpT (ORCPT ); Tue, 12 Oct 2021 06:45:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236119AbhJLKpS (ORCPT ); Tue, 12 Oct 2021 06:45:18 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A19E3C06161C; Tue, 12 Oct 2021 03:43:16 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id d3so51778582edp.3; Tue, 12 Oct 2021 03:43:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=9tW9+9W3ki2H59Q6eX3JXlQTuv6vyJPIiRkarHpBHmI=; b=f09MjGXeVx3UdxZU1QExsJVyx6awn0E26xv4JjT2PxSfjRKn/LruRMI/J+Zwb8IHuK 5l6QBO5p6YTkpWIRImpkWYVB11luH/Ef3/eux/vUlrcYFVAlpkVvg+4eh2b72VL/duhm nDnpT1lCTz1i14UA9JPF82xtRzl30dMwwrAPrIrk/BRT7myjWdd92YF7zNn11d256XbI vZ0vw+RVCbaE5eIKThO8tLXaQ7lnKIYXHGZTRX82Qc+4QmgqSqryhcZhyKZwvf8KJb30 QgbQZrtxAlZ5Or7N3hk2i6TsiFiZTr26xiuzPqK9xZOtL3epl9oTdDjWHTwH5dTXhT/Y rgaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=9tW9+9W3ki2H59Q6eX3JXlQTuv6vyJPIiRkarHpBHmI=; b=4gdrB3jZ+zJ7IKIC6f393uEY7JfmVTIP+IOfOt3HyvjmUxZmcf5fCkyzuK+LP4YsJX 3E4hWW1qAlVC+Wk0DRX6khfcv7Ah8+PjLAFx0a9HnmJZHqCpCrb6kCN41TXv9eaXqSZa Err9lZbqgXy7Hpq05Eg7DDLTdlXxKc/0FD0JuAUHTK7tU503USnJs/qFFtZXyl0qWMUa LCDsf2waRyCD7VgrjTa1PC9vMpx3aeZ7htFlXZZJ3CbUktTtNRmIaRyvJfzPflRIuVn5 UPB746noDjUZa0Kc+IMe0bK+jfdCE431xqIz0cptm/6B5NHo1qsqCUKmzriBGwDdwJXW uJUQ== X-Gm-Message-State: AOAM533gjSGiToI5Hm+X78SQzU59b9py5bXRH7oh1UJNnS/yKzKpKyJs tjQ0kLF9nJH6/Skg8wZhGSw= X-Google-Smtp-Source: ABdhPJyF0hmHa8SE+WtkOJoKaC/5JnmaKOatJC+y7uCeYzMv2TRRSxamhElOAfjadUORbP77BJOXWA== X-Received: by 2002:a17:906:a0c9:: with SMTP id bh9mr32236875ejb.51.1634035394802; Tue, 12 Oct 2021 03:43:14 -0700 (PDT) Received: from [192.168.8.197] ([148.252.129.215]) by smtp.gmail.com with ESMTPSA id f9sm990730edy.9.2021.10.12.03.43.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Oct 2021 03:43:14 -0700 (PDT) Message-ID: <659c1c9e-3df1-14f4-0630-88fd118f9e23@gmail.com> Date: Tue, 12 Oct 2021 11:42:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.2 Subject: Re: [syzbot] WARNING in io_wq_submit_work (2) Content-Language: en-US To: syzbot , axboe@kernel.dk, fgheet255t@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <00000000000061c94a05ce199f2a@google.com> From: Pavel Begunkov In-Reply-To: <00000000000061c94a05ce199f2a@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 10/11/21 21:32, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit c57a91fb1ccfa203ba3e31e5a389cb04de5b0561 > Author: Pavel Begunkov > Date: Wed Sep 8 19:49:17 2021 +0000 > > io_uring: fix missing mb() before waitqueue_active > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143b46bf300000 > start commit: 926de8c4326c Merge tag 'acpi-5.15-rc1-3' of git://git.kern.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=37df9ef5660a8387 > dashboard link: https://syzkaller.appspot.com/bug?extid=bc2d90f602545761f287 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e4357d300000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1173a663300000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: io_uring: fix missing mb() before waitqueue_active #syz fix: io-wq: fix cancellation on create-worker failure -- Pavel Begunkov