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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z16-20020a056402275000b00423e1efca48si3128185edd.198.2022.04.20.20.40.27; Wed, 20 Apr 2022 20:41:15 -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 S1345346AbiDRP21 (ORCPT + 99 others); Mon, 18 Apr 2022 11:28:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345216AbiDRP2S (ORCPT ); Mon, 18 Apr 2022 11:28:18 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BB5DEF0A6 for ; Mon, 18 Apr 2022 07:30:23 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id q5-20020a0566022f0500b00654a56b1dfbso1335199iow.8 for ; Mon, 18 Apr 2022 07:30:23 -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=BN5fWD0TeLhPc5Z6oQepdojRwLAV8DN+bsBK6JxWVII=; b=49aCuH5SCS1MRcnEFLrYFY5cB13N7Pv4sFjPqvL95XgYmzAC2N3Nsc37qeid8EcYke h1CjJ3+adoLn3qYLcNztAKi4A341HyhFNL39dRvqYc1tDMqu2uO0zbpgsn6kHlhjedd7 iBXliiwdH8ZEUG6QJsiRxKQ4QjfbKSQuEizhwoVG3zP0/g+9W3QicPlIXA7V4aimdtBF z8jpc80TZSAwMDvNAD2aI4DLEUK+OcJdizS0w+OoJFOLyLXtwA/xzLwkXdmm/r6K7tDX dtgCjWX2oDM3+ls4v27H99djdEl1BOJ2lNwoqLXwrgp/RXSvUmwCjdiyoDJU53jDef0J kKbQ== X-Gm-Message-State: AOAM532atVHspVENkGoMqf4YPagMmsO96OilUqaVui4QC/qk8lDsrLB9 bXHN6s4wTDOICK07qqomnHqU/iNYWv7jYJZKjmVazlVpq7AN MIME-Version: 1.0 X-Received: by 2002:a05:6e02:b29:b0:2cc:354:a156 with SMTP id e9-20020a056e020b2900b002cc0354a156mr4757883ilu.194.1650292210558; Mon, 18 Apr 2022 07:30:10 -0700 (PDT) Date: Mon, 18 Apr 2022 07:30:10 -0700 In-Reply-To: <20220418140008.1853-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fc726305dcee9845@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in __snd_rawmidi_transmit_peek From: syzbot To: hdanton@sina.com, 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+70e777a39907d6d5fd0a@syzkaller.appspotmail.com Tested on: commit: a1994480 Merge tag 'hardening-v5.18-rc3' of git://git... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ kernel config: https://syzkaller.appspot.com/x/.config?x=eb177500e563582f dashboard link: https://syzkaller.appspot.com/bug?extid=70e777a39907d6d5fd0a compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=13d94b3f700000 Note: testing is done by a robot and is best-effort only.