Received: by 2002:a05:6520:3645:b029:c0:f950:43e0 with SMTP id l5csp545360lki; Wed, 10 Mar 2021 07:31:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJycc7+fhpjcj8CjA/CYVM7TxUQbGHze885HiMrDA7A+ccQ0L+vForxLY3eipKHNg0SBSqXA X-Received: by 2002:a50:cc4a:: with SMTP id n10mr3996878edi.371.1615390303813; Wed, 10 Mar 2021 07:31:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1615390303; cv=none; d=google.com; s=arc-20160816; b=sdhdQLzTcZcSvHwSPKfUSvsHoD8QoYvwA8AHsDJDzDzcFAXvpP7PIOI7DI+27nAqUo dl8dmtsG3upOE9Jv3PZPJIdEMcKafkC08NFfEUS30XHe1/5Ye+v7a32DjIStb8tB8Vpr kovZxR1jhs7AOGbgp3gja5z+vTsT7p8vZIQ+pS9dViy6R0A3alRdBaQOkvxJnx0HIV1p sxyMrwYX1RP8Nntpgz4FW8FRHylMjLw0oGS3ULac5oAg3o0qercLTu9+YUQ0t5ZspIQk u2Ttw2Ro0BMj0+wQcOoQAqExAxpbtZacowgIy3EFpVEOE9/d8eTOq+qcRYoqXRAwLYd1 zpAg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=K6Wm1ki0OuY/h4OHfpHCmRiUcTgPHLwbneYsELCaWwg=; b=EP4B2TfBCbHphdOF9Qx75vsdju+TIMGoB7C5trIjmAC1qRHnaYfLtfyNvm5C6TQ+eU 9URfkfkGSZ9k8jNLhETdpWzQZqFRSywAv3m/dyiTC241x6yqufiMKBh4S5t5HIh20N+V TxydMlamqEaV5t/c16PbaIgXdHiLo0sIAlcKVJsdUEe/pRwVn3Kq5vE2/JFfVSScFeb4 TvgymyDu/pa0i5YoywycXb/uPZ3M//ZiM0w5rLITRk2xeKLGBmUNeD5XX1Ce09PD54Gz j0jYNyN50afRL3ZWVBG3eEoS5pY+P0S4SEDAG9wJFUSsoKC2e1jWvEyjhp7yceyS6uCH Qvnw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y2si10868176eje.495.2021.03.10.07.31.21; Wed, 10 Mar 2021 07:31:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S233039AbhCJP32 (ORCPT + 99 others); Wed, 10 Mar 2021 10:29:28 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:48889 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233145AbhCJP3I (ORCPT ); Wed, 10 Mar 2021 10:29:08 -0500 Received: by mail-il1-f197.google.com with SMTP id n12so13123182ili.15 for ; Wed, 10 Mar 2021 07:29:08 -0800 (PST) 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=K6Wm1ki0OuY/h4OHfpHCmRiUcTgPHLwbneYsELCaWwg=; b=pXZX9y/4cYBAe2cKfd2k+jCloQfM7oJb3W1UGyOHk0+c3AKTFjR4yIN28RGNuNgvpC 7HhcB71u0zTSqbcq+Fa6qv7UxnjQRgJuuUeXqYp+4rGgThCeK+kcHsv0QFsCbCxsG/6U CcKUbLAD6HB3uWTrKDtYMhK8jHoNtSsRzUD/gUNd1htKvNRLn0OPbGEOYcVaZY04vMrP 8s4NVuq8BhmkLo88ILolpp1qDMTaGXVm0tPpfac4Qxl04heAMk4w2GsSaj4eNjJsqu0G uedLo3/RCmRnmd3TTyXMG/UPrxhEIxF9c2QZPg0qDFjiEFzk00HRiqFOutL5VZo5imaG SwRA== X-Gm-Message-State: AOAM530yP0Z3RtcCFrk2XTgMxu2mXZf2wT2XNO5nQb7JfAh2/Yg2j7Ln xZbdRlHUHavstx/g0VHDZ+Fj3bpZ5EdhePbOdbH73duNruVr MIME-Version: 1.0 X-Received: by 2002:a92:cda2:: with SMTP id g2mr3026959ild.297.1615390148344; Wed, 10 Mar 2021 07:29:08 -0800 (PST) Date: Wed, 10 Mar 2021 07:29:08 -0800 In-Reply-To: <82aa1cb7-9ac4-6c7f-f6c6-baeca226365f@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f7411105bd30538c@google.com> Subject: Re: [syzbot] possible deadlock in io_sq_thread_finish 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: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+ac39856cb1b332dbbdda@syzkaller.appspotmail.com Tested on: commit: 7d41e854 io_uring: remove indirect ctx into sqo injection git tree: git://git.kernel.dk/linux-block io_uring-5.12 kernel config: https://syzkaller.appspot.com/x/.config?x=b3c6cab008c50864 dashboard link: https://syzkaller.appspot.com/bug?extid=ac39856cb1b332dbbdda compiler: Note: testing is done by a robot and is best-effort only.