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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d187-20020a6336c4000000b004129a78936fsi8498205pga.1.2022.07.07.07.43.48; Thu, 07 Jul 2022 07:44:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 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 S235470AbiGGN5K (ORCPT + 99 others); Thu, 7 Jul 2022 09:57:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235719AbiGGN5H (ORCPT ); Thu, 7 Jul 2022 09:57:07 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D91915FEC for ; Thu, 7 Jul 2022 06:57:07 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id i2-20020a056e021d0200b002d8ff49e7c4so9346839ila.8 for ; Thu, 07 Jul 2022 06:57:07 -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=jrhvBpI6mqQX1aZ/JxTs5fURHwqXekze4iGJit6D5xc=; b=M9IqIeS7IqjNH4O74SZIauUysFz9L4umGl3bM+vVomeYMY3vnmmRntM0qAb1ZEXiFj Y1igfk59kvKTlVM8BWduZq6UV4TTfe+qpTmv4mH7GR1rBRqKgzPcjFFiqfpIAJCuNw1y H2foWzH9tiL6Krwb9dAT2jpr8n54s44K23z6Rca5WbWMW2E0NUkQqAsmci6auSI4J/+9 Nvhk+t8H15WJjARM2D0BntP2vxYcQEfVU3WVK0szSP/UPmNAXFYnxxLhplzxfZNd9VsM Qxoz6d+bgRmGldpvxc+0/E1o4wtG6IKdrWZIYrVqeA0ZmTPHRENxpzEF1Xf5bpT69ltm YScA== X-Gm-Message-State: AJIora/jWOTpsnLsFMk+4R7g2vUnBTvuPqiTyry9c0mjAm05eZ9rszcm lf1ixoPfILBb7W0WfL4M9eIkyCcMJLgVM8mgHFWg+kLx4Wev MIME-Version: 1.0 X-Received: by 2002:a92:a041:0:b0:2d7:7935:effa with SMTP id b1-20020a92a041000000b002d77935effamr26077785ilm.222.1657202226780; Thu, 07 Jul 2022 06:57:06 -0700 (PDT) Date: Thu, 07 Jul 2022 06:57:06 -0700 In-Reply-To: <2041c8d8-e57d-01bf-1378-3ad2c72f69d6@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c61d405e3377621@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in pty_close From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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+49950ba66096b1f0209b@syzkaller.appspotmail.com Tested on: commit: f2703d1a io_uring: don't race double poll setting REQ_.. git tree: https://github.com/isilence/linux.git poll-syz console output: https://syzkaller.appspot.com/x/log.txt?x=115e9020080000 kernel config: https://syzkaller.appspot.com/x/.config?x=d66f898fdc339ef0 dashboard link: https://syzkaller.appspot.com/bug?extid=49950ba66096b1f0209b compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.