From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37B6BC28D13 for ; Mon, 22 Aug 2022 12:26:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235031AbiHVM06 (ORCPT ); Mon, 22 Aug 2022 08:26:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235010AbiHVM04 (ORCPT ); Mon, 22 Aug 2022 08:26:56 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DA2F326E1 for ; Mon, 22 Aug 2022 05:26:54 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 46F6734661; Mon, 22 Aug 2022 12:26:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1661171213; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iSqji7+RplKUj15nrzIvCRwogZkYtkkIhXpOVJMBSUI=; b=O20d0zLleOtQmqw0mhd87raxNbhVu2Y7EKi++40ySNhTCxlv+QNbInfemcChU5kBeMXR6h 8xQaCAzfLA4GPZXcWVRovDQKR/V3TAiExFaN30PunKZtIfnDKlhzy+c2nsBmQksesDDI1u /E3OMG5MKGQl6o2z6Gin8xqusnXvYdc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1661171213; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iSqji7+RplKUj15nrzIvCRwogZkYtkkIhXpOVJMBSUI=; b=VijFo/aX4JfIvlMeS6tkzwWcYyaY3aftEL2VeOedYXMGEaqTejOh5X1TC0I7lBCAOJb5hV QTzg0FI0UGNG9ADw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 0408D1332D; Mon, 22 Aug 2022 12:26:53 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kZ4RAA12A2NESQAAMHmgww (envelope-from ); Mon, 22 Aug 2022 12:26:52 +0000 Date: Mon, 22 Aug 2022 14:26:52 +0200 Message-ID: <87czcscvlf.wl-tiwai@suse.de> From: Takashi Iwai To: syzbot Cc: airlied@linux.ie, airlied@redhat.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, sean@poorly.run, syzkaller-bugs@googlegroups.com, tiwai@suse.de, tzimmermann@suse.de Subject: Re: [syzbot] KASAN: use-after-free Read in udl_get_urb_timeout In-Reply-To: <00000000000043579605e6d0ce41@google.com> References: <00000000000043579605e6d0ce41@google.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 22 Aug 2022 11:09:31 +0200, syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 5b6a4bf680d6 Add linux-next specific files for 20220818 > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=12341a3d080000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ead6107a3bbe3c62 > dashboard link: https://syzkaller.appspot.com/bug?extid=f24934fe125a19d77eae > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12731867080000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165b64f3080000 > > The issue was bisected to: > > commit e25d5954264d1871ab2792c7ca2298b811462500 > Author: Takashi Iwai > Date: Thu Aug 4 07:58:25 2022 +0000 > > drm/udl: Kill pending URBs at suspend and disconnect FYI, the fix including the revert of this commit was already submitted, waiting for review & merge: https://lore.kernel.org/r/20220816153655.27526-1-tiwai@suse.de thanks, Takashi