Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp255532pxb; Mon, 13 Sep 2021 18:31:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxVrSeAkxSI/bmCx+LmFP6QNTob93IcbKjM86xD/eiI23mCy9CHvRqxHV6UoZaITO84qXlL X-Received: by 2002:a05:6e02:178d:: with SMTP id y13mr9802988ilu.266.1631583064377; Mon, 13 Sep 2021 18:31:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631583064; cv=none; d=google.com; s=arc-20160816; b=Af3lk7j0lh55MWfTAYvUdZ9FgexBFmmsjOvjbgBN8WpzET/tXzic3ksxzrfIi+swxY sGP4qmApi4ldoigE5QLXqwINCJq/Lv9rfK+PI/uaoWQGaiuTC1V0RqUdXEIwbhsj7Fox jPbsm+cCMDzloVtPcv2GjrLAtQelLoJnoivd+QPDsnVKIXs0G3gUndRqtgUNqmgjg9Fz GrNIE0dA5Hjx/vD0q+H9r/LHFzc3i+qkLwbV3ae9vYl5MDfDh3CeUkT+jfxRB/lnTfNc UXGzyp+SWbH5bLJD7pEBpm5jivGjWDvRCwHR684wt6VhmMFL8R81JWhYQPhQbxW+lVbr rzTA== 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=lkuAH26yQOlGfKXblDYiAOWW8Flrjdt2FI+BYcMEb54=; b=xkXWcwL/ghvnAjlfOUZPS1Qw8K97qU7/IXQaixxlIUxkHQk1tQ0jFLDWp5nmmUiSJO txY13187KvhvvI6pwdjaV0Fdrzfjs+sy0kbgVq6u21j96fNpvXX/WhKuvP68xEhIQymJ K2Ebt8QLZAZUJbxl+RZYyebMeqTe9CH4563F4u+9ukPehxVV7xP5PfxdP/5eE1quE/ov fxKnmma6gUtEfX/YKPly27RUDif6Fl+ZpUuyfPyzpB5rmZwaDtd57lWvV6z73DAW6nfh xIrYHcTAVga6kBx5AvHb3O6uKsE1fZOREivVvvhQTg+qF9lZgOHnyR8eYf0+B/qSl32H 6/Cw== 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 d6si5648837ios.63.2021.09.13.18.30.53; Mon, 13 Sep 2021 18:31:04 -0700 (PDT) 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 S236719AbhINBFZ (ORCPT + 99 others); Mon, 13 Sep 2021 21:05:25 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:46769 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236776AbhINBFY (ORCPT ); Mon, 13 Sep 2021 21:05:24 -0400 Received: by mail-il1-f198.google.com with SMTP id o5-20020a92c685000000b0023832088b13so1226052ilg.13 for ; Mon, 13 Sep 2021 18:04:08 -0700 (PDT) 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=lkuAH26yQOlGfKXblDYiAOWW8Flrjdt2FI+BYcMEb54=; b=l76A2q8OIOXv8ugYtr87IWI9JmEUPXD/lhX3kpdPjP7q1ZRvh3qgLPXz8hqubjBu6N mLf7dKk3aiLuPw4IQb3bnTRwRkiiCnCZoxbcMWW16+omRcWDy35dmCz1VD+QPuNkkMvH 0+mBYoWIsvg21hiC1RR+YfV3gsORruQC3CVyeiNu0KZB7vuSJC+oUfV9iHNRJr5EQLdx a2HJ35P9xYiGucwOABwSEoj5oG3x/50yphDYHWMphW3+llhEMBHD7bYrHABaDho3UP5O 0jVWQebnbtFmSmjcl1tsBMH1+jMrrUtZqqZ37oUKHqNiimTjJJmG10B3NYW+Ec/qew0z 7oAA== X-Gm-Message-State: AOAM530UjqubpPqm47oGekvCA9pbLnfv8Sq9CsplgkZ1GHARWWD7fvdB CQxAa0wYe+VPDdjNQTmERxQd5saysL3Yh3uQP2OE5OZIHowe MIME-Version: 1.0 X-Received: by 2002:a6b:b88a:: with SMTP id i132mr11300524iof.215.1631581448021; Mon, 13 Sep 2021 18:04:08 -0700 (PDT) Date: Mon, 13 Sep 2021 18:04:08 -0700 In-Reply-To: <8428f733-ae95-f57b-8d42-6c7a279f4d84@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a1b11505cbea28c2@google.com> Subject: Re: [syzbot] general protection fault in io_uring_register From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, johalun0@gmail.com, 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+337de45f13a4fd54d708@syzkaller.appspotmail.com Tested on: commit: 7981f41e io_uring: pin SQPOLL data before unlocking ri.. git tree: git://git.kernel.dk/linux-block io_uring-5.15 kernel config: https://syzkaller.appspot.com/x/.config?x=6d93fe4341f98704 dashboard link: https://syzkaller.appspot.com/bug?extid=337de45f13a4fd54d708 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: testing is done by a robot and is best-effort only.