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=-8.8 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 A2022C2D0A8 for ; Mon, 28 Sep 2020 18:42:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6110C207D8 for ; Mon, 28 Sep 2020 18:42:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726325AbgI1SmN (ORCPT ); Mon, 28 Sep 2020 14:42:13 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:43846 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726610AbgI1SmM (ORCPT ); Mon, 28 Sep 2020 14:42:12 -0400 Received: by mail-io1-f70.google.com with SMTP id b73so1270325iof.10 for ; Mon, 28 Sep 2020 11:42:10 -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=USTitjBt7BhgpNWZwLXk38Ti/vZU2Kr0xZT/wNOO+pU=; b=ZzCrezAsYf2ns6eebOeeLL8S57cv5F9THBlocW6rbVSyZ64W1RB6bjloeojQdZhYXY TKcABSh+Fr2ONcqbVU4stdwrZ2wn2aD76aO8VlWDgJIDrX5AQ23lXkKaC50AtrkaJFot y/4idPlT9KZnlrDkpTv3KYJtQEXEIvqeSP5EUId2CQfdaFFjggEJUmKBMjB+CNoTIiuu boBfxNGfU4+IhdNyKJqdFUdVv2wPEXMnz3LoSBsSX8GZ3SgtgR2xg+cmgkxWC2KtBEUz jSVK40DvS3hs9+/aHj123QXmNNgTy0W2UwwH+awo86KJ36p8f+g5mK6GepcHCSA2tis4 KVaQ== X-Gm-Message-State: AOAM533WYa4Jyq26P1dIDRkUw0POOWMOWwR1xRl9Z6P4tAULiueEuLPW sr2AH2GVxUzpAEtzs5+8b9X6YKl7n2Wv1558DOkif4tKzl6K X-Google-Smtp-Source: ABdhPJy+jPyOc19HWBq/6EBaZVHRqolvxOK1YlgdhD/ZPfoMxbwmw1fYgbCWxrcCJUEULrfUE4QjhVhXDmX54Bs+w5gJIXnEGp3l MIME-Version: 1.0 X-Received: by 2002:a05:6e02:e0a:: with SMTP id a10mr2461640ilk.113.1601318530184; Mon, 28 Sep 2020 11:42:10 -0700 (PDT) Date: Mon, 28 Sep 2020 11:42:10 -0700 In-Reply-To: <835b294f-2d2b-082b-04dd-819e12095698@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000029fbe305b06406d0@google.com> Subject: Re: general protection fault in io_poll_double_wake (2) From: syzbot To: axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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+81b3883093f772addf6d@syzkaller.appspotmail.com Tested on: commit: fad8e0de io_uring: fix potential ABBA deadlock in ->show_f.. git tree: git://git.kernel.dk/linux-block io_uring-5.9 kernel config: https://syzkaller.appspot.com/x/.config?x=2daac53dfbd493d7 dashboard link: https://syzkaller.appspot.com/bug?extid=81b3883093f772addf6d compiler: gcc (GCC) 10.1.0-syz 20200507 Note: testing is done by a robot and is best-effort only.