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[23.128.96.32]) by mx.google.com with ESMTPS id l12-20020a170903244c00b001cf660861fdsi4164039pls.387.2023.11.21.13.46.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Nov 2023 13:46:13 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@ideasonboard.com header.s=mail header.b=IUljsrzz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id D577680842F1; Tue, 21 Nov 2023 13:45:53 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234476AbjKUVpm (ORCPT + 99 others); Tue, 21 Nov 2023 16:45:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234552AbjKUVpl (ORCPT ); Tue, 21 Nov 2023 16:45:41 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8317B110; Tue, 21 Nov 2023 13:45:37 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 4D0019CE; Tue, 21 Nov 2023 22:45:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1700603104; bh=MpP8CV1iBMHLxuQWJsETis3k/Ho3yC5d0656Sw3fEh0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IUljsrzzMjoGIPMnywfrgsx7LOi3Q7TUTNHUSeyz73+3J/iFlze5ZemIyYjHma6Ho fMkNUPB7vH10psxXNqDlbaRiyHFxlCtLkZxqv5HQowXd+5PjS0ZLYAkesdfl9YPZSe PyVtP7uq+sL2gpXwlj9rv0PlryVfb+SAf6A8RQ5U= Date: Tue, 21 Nov 2023 23:45:41 +0200 From: Laurent Pinchart To: syzbot Cc: andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-usb@vger.kernel.org, mchehab@kernel.org, nogikh@google.com, sakari.ailus@linux.intel.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] KASAN: use-after-free Read in __media_entity_remove_links Message-ID: <20231121214541.GB3909@pendragon.ideasonboard.com> References: <0000000000003ee3610599d20096@google.com> <0000000000002a1fec060ab0120c@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0000000000002a1fec060ab0120c@google.com> X-Spam-Status: No, score=1.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SORTED_RECIPS,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 agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 21 Nov 2023 13:45:54 -0800 (PST) X-Spam-Level: * On Tue, Nov 21, 2023 at 01:13:15PM -0800, syzbot wrote: > This bug is marked as fixed by commit: > media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors > > But I can't find it in the tested trees[1] for more than 90 days. > Is it a correct commit? Please update it by replying: > > #syz fix: exact-commit-title What logic does syzbot use to try and find the commit upstream ? There's a commit with the exact same subject, what was missing to find it automatically ? > Until then the bug is still considered open and new crashes with > the same signature are ignored. > > Kernel: Linux > Dashboard link: https://syzkaller.appspot.com/bug?extid=0b0095300dfeb8a83dc8 > > --- > [1] I expect the commit to be present in: > > 1. for-kernelci branch of > git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git > > 2. master branch of > git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git > > 3. master branch of > git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git > > 4. main branch of > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git > > The full list of 9 trees can be found at > https://syzkaller.appspot.com/upstream/repos -- Regards, Laurent Pinchart