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[2620:137:e000::1:20]) by mx.google.com with ESMTP id l2-20020a170903244200b0015904f6c4f0si1131400pls.19.2022.04.19.19.19.34; Tue, 19 Apr 2022 19:19:53 -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 S1344443AbiDSC1z (ORCPT + 99 others); Mon, 18 Apr 2022 22:27:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242194AbiDSC1w (ORCPT ); Mon, 18 Apr 2022 22:27:52 -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 0BA24AE73 for ; Mon, 18 Apr 2022 19:25:11 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id g16-20020a05660203d000b005f7b3b0642eso10786397iov.16 for ; Mon, 18 Apr 2022 19:25:11 -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=L2HlMjbuv8DDmn+bIIQUm0YxArO0essYjE9LzbNI0b4=; b=2/h2Cz0SW8y7JZ6L2rDqF52B+MuPyijp4rXz3kf2VnudPtG+Tr+W+UV+oGcGGEtclF p+9xEwZRjm1n4ZvE/jwlGVcwTMsN6+MEPt7e+u9pEk7xO9ob4WMEOkgvn/9t4Bd1TIlE cZuTuImXJ6qZK4U+e0/Qw0FeI8oCC5bduiZa7rhiw/Cmr4FwbT8/YbIR/Ysiy4PPPZRW yx+5bce8uqbQTmwluCRZNkx5hyhob/G4QVlX6EQtFS7Qs+URC7GQe9BdzUHgNrMU3OyX i4Mm8WTpJxEuwVHESxMvdByZIOGc+o2O8txfkA0zq/MA8nynols9nk9M4v4C4e9815gL Dw4g== X-Gm-Message-State: AOAM530V6vVkysys7/s1GnPrqAOViuXugvobQKcSeyt+VNweXwUXJupt IH6H8kq9Ue0bgQo96SlcW0HloTZYGA2XO4kWgF/9wV/bQ726 MIME-Version: 1.0 X-Received: by 2002:a05:6638:24d0:b0:328:6343:60ff with SMTP id y16-20020a05663824d000b00328634360ffmr6505071jat.41.1650335110421; Mon, 18 Apr 2022 19:25:10 -0700 (PDT) Date: Mon, 18 Apr 2022 19:25:10 -0700 In-Reply-To: <20220419021532.1932-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000465d905dcf89693@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=1096d994f00000 Note: testing is done by a robot and is best-effort only.