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 X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 983FDC433C1 for ; Mon, 29 Mar 2021 23:33:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 704D961874 for ; Mon, 29 Mar 2021 23:33:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230161AbhC2XdY (ORCPT ); Mon, 29 Mar 2021 19:33:24 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:46480 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229873AbhC2XdI (ORCPT ); Mon, 29 Mar 2021 19:33:08 -0400 Received: by mail-io1-f72.google.com with SMTP id w8so12018075iox.13 for ; Mon, 29 Mar 2021 16:33:08 -0700 (PDT) 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=lMlioT72BHXScbFHNZMJLoPdODEiwb40F9vPrqeqLoM=; b=N++F85TmF7bMyzmtq1HdQdUQCH8DKjfy+qocjqr/jjtN5hvKzcqshg9B98/PXspEKq WQFyMpDxMgXxB2vXH8U4PzKg0LbK6j7a1skSh0ae8vWEUVeYXQvzcLc+1SqCwPsXP9p6 ZfYub5NjW3qemFbLIIBLfgQSywlP7SYl9zDrQ/FYGeOytpoUQICc7XNFzAMYP9C2Z9Dy VDMnhUO//3QAeCjFZPsBB2lHeMHwLI1f3ozl7KYHX6ts6Gn6nmlPmQM59yXbCJfcdUUy zaJgpiHGinw19AAHxSmySCKiqUAwoSvbjvhvder293sH9SfeAEvnGBcRrQzp72UuvbYl B4hQ== X-Gm-Message-State: AOAM533t4Llv0jBAT7XJiKUSeMPwhzvoOdrx/8nVpgi/uy+dQQ+zC9kJ /MSSXMpO43t1ziHQLfD20CbYiH0Z7Mi9p6Vhl/lQi/ziwMrd X-Google-Smtp-Source: ABdhPJwbpo1qBtqFDEAozEtKpv7+6pbc039Tmkz4JX4dPkyQ4fE1JV42MwydMp0mlXFrwMNWtxLegYbPzDkz6Bc18A4ABmxVHB+9 MIME-Version: 1.0 X-Received: by 2002:a05:6638:378c:: with SMTP id w12mr26304998jal.127.1617060787957; Mon, 29 Mar 2021 16:33:07 -0700 (PDT) Date: Mon, 29 Mar 2021 16:33:07 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d8bb1905beb54dcf@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in create_worker_cb From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+099593561bbd1805b839@syzkaller.appspotmail.com Tested on: commit: 24996dbd io_uring: reg buffer overflow checks hardening git tree: git://git.kernel.dk/linux-block for-5.13/io_uring kernel config: https://syzkaller.appspot.com/x/.config?x=cbb3af9ca0d22f7a dashboard link: https://syzkaller.appspot.com/bug?extid=099593561bbd1805b839 compiler: Note: testing is done by a robot and is best-effort only.