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 5F4F8C41513 for ; Wed, 16 Aug 2023 10:37:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243922AbjHPKhB (ORCPT ); Wed, 16 Aug 2023 06:37:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240878AbjHPKgc (ORCPT ); Wed, 16 Aug 2023 06:36:32 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52186210D for ; Wed, 16 Aug 2023 03:36:31 -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 06A7021910; Wed, 16 Aug 2023 10:36:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1692182190; 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=tAL5BP6HLJYIFFuAOyQ9ypRvBhMeLPd5InptuqlGzHg=; b=VyVTbEIY1Mc/WERAMwn0XxFVJ+NR3RusukAmpToS/omcTjJ+6SYYQwLNc4MeyPETi0CKj4 252iGRkmNQKiOYy+qhFx1XSgbLDgCOegSwmt99a8W7KUgUKS8+CsEgPEnfo+xQ2aVmUryQ RlznlFJ2nooZlpJte9D8pweUjHPOKyU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1692182190; 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=tAL5BP6HLJYIFFuAOyQ9ypRvBhMeLPd5InptuqlGzHg=; b=zpoTT+PwxeIaRf3IIWomQfGxqXR7vvtSi6SncSfDz8rfOz5EsmNke9YkqqSNhbYlpXAGTD DTBAoRKStF9NFQCg== 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 E5D2C1353E; Wed, 16 Aug 2023 10:36:29 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id yyPAN62m3GQ9cgAAMHmgww (envelope-from ); Wed, 16 Aug 2023 10:36:29 +0000 Date: Wed, 16 Aug 2023 12:36:29 +0200 Message-ID: <871qg36zpu.wl-tiwai@suse.de> From: Takashi Iwai To: Borislav Petkov Cc: Karol Herbst , linux-kernel@vger.kernel.org, Ben Skeggs , Lyude Paul , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, Takashi Iwai Subject: Re: [PATCH] drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create In-Reply-To: <20230816101424.GGZNyhgP6GpqZx9xi3@fat_crate.local> References: <20230814144933.3956959-1-kherbst@redhat.com> <20230816093015.GDZNyXJ28y9uspb4Mr@fat_crate.local> <20230816100344.GEZNyfAIt0CJa+g6Sj@fat_crate.local> <20230816101157.GFZNyg7QARIL+io6m4@fat_crate.local> <20230816101424.GGZNyhgP6GpqZx9xi3@fat_crate.local> 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 Wed, 16 Aug 2023 12:14:24 +0200, Borislav Petkov wrote: > > On Wed, Aug 16, 2023 at 12:11:57PM +0200, Borislav Petkov wrote: > > Does that help? > > Btw, note that this is *plain* -rc5, without your patch. The UAF looks very same as I had and that's the bug Karol's patch should address. So more interesting would be the result with the patch :) Takashi