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[2620:137:e000::1:20]) by mx.google.com with ESMTP id nd22-20020a170907629600b0084d0b4b4fcdsi9829300ejc.194.2023.01.09.10.51.58; Mon, 09 Jan 2023 10:52:11 -0800 (PST) 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 S231782AbjAISl0 (ORCPT + 55 others); Mon, 9 Jan 2023 13:41:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236645AbjAISkn (ORCPT ); Mon, 9 Jan 2023 13:40:43 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57132218 for ; Mon, 9 Jan 2023 10:40:19 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id b77-20020a6bb250000000b006e4ec8b2364so5446314iof.20 for ; Mon, 09 Jan 2023 10:40:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Vdozkht3DNskI0+rKd1YxGtR1GDDOg/Q1E8DUSg+rBs=; b=wZWOE0q36twEHVYrxrrn9lvuDJJa1OX0i4HNk3Ayf9UE0u7B7vzsMH3WYXPvLzgWdt T9RzfKseclPze4rCadSi6HdGg4f/WjTy5kZBQBiTVFHC4ibV+cJBE9DFNKFHSPLQPG7P ku+uvX9MeObig/5MSJZQRuofB+0ilMSqJZYsHLTMQQ0kljKClKZOVUEo6Zjku/v3Bar5 LWn1ckpfM1HhIX5yWausEE1gK+CjyAjFVxNMa96hPoUECrdGSSVWskPL88dK8KymrrKE SONRt0eK2u/D6Edf4Y1obmnGCwhuZpXPZfjFJNJ2bmlCRj9cmkuB5W061l1gjeTga/fm ZMjg== X-Gm-Message-State: AFqh2kp42AkRwHx15Ub+vdffrFrga2tWEgNnmGjFTqLcFBn6UFZ0wpvS XHD+zYzTDupnt1oD8q65ce58B9LU4r23fqQk4wVjXwhjoAbn MIME-Version: 1.0 X-Received: by 2002:a92:a007:0:b0:30c:1ec6:23d0 with SMTP id e7-20020a92a007000000b0030c1ec623d0mr4343045ili.134.1673289618727; Mon, 09 Jan 2023 10:40:18 -0800 (PST) Date: Mon, 09 Jan 2023 10:40:18 -0800 In-Reply-To: <3b08247b-a645-db6a-aa20-ba77766730bc@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000054ace405f1d919f3@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_worker_get 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" X-Spam-Status: No, score=-1.6 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 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+55cc59267340fad29512@syzkaller.appspotmail.com Tested on: commit: a4b98579 Merge branch 'io_uring-6.2' into syztest git tree: git://git.kernel.dk/linux.git syztest console output: https://syzkaller.appspot.com/x/log.txt?x=165136a4480000 kernel config: https://syzkaller.appspot.com/x/.config?x=defbee0450ed9648 dashboard link: https://syzkaller.appspot.com/bug?extid=55cc59267340fad29512 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, 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.