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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B5C8C43334 for ; Tue, 14 Jun 2022 12:15:37 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id CF7983C8D8E for ; Tue, 14 Jun 2022 14:15:34 +0200 (CEST) Received: from in-3.smtp.seeweb.it (in-3.smtp.seeweb.it [217.194.8.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 0C5353C8D8E for ; Tue, 14 Jun 2022 14:15:23 +0200 (CEST) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-3.smtp.seeweb.it (Postfix) with ESMTPS id 6F8901A009A1 for ; Tue, 14 Jun 2022 14:15:23 +0200 (CEST) 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 C338B21B93; Tue, 14 Jun 2022 12:15:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1655208922; 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=SDpHH93dcKM0xbOEhDsLSbMH8rr8i+uPOmzDF+rcO0s=; b=ZkM6YSQmXyfOJMO1dbxd18c619q3pgGUbO5L3KCNjHELKwpfrIMZ+YpB1kQ6yvykmk8AkC eMJphsAesDKeikMAAFiH4AgMRXj+bh5FOVOOONOnT4TAC6iceAqVTjZ2bgw5Bi4D8jN36A r2XidnW5afLTdivPhpEAYlvzo6J6vzk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1655208922; 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=SDpHH93dcKM0xbOEhDsLSbMH8rr8i+uPOmzDF+rcO0s=; b=bDlz/qJYVW1dxvPGtGwKzbygGxuDPuwR0yqmqHEFMJCJiVDExnEzkXbSLEJ/elfZMfakFo i/b4UYAdJWxljTBQ== 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 97641139EC; Tue, 14 Jun 2022 12:15:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id NH1KItp7qGKzBwAAMHmgww (envelope-from ); Tue, 14 Jun 2022 12:15:22 +0000 Date: Tue, 14 Jun 2022 14:17:29 +0200 From: Cyril Hrubis To: Petr Vorel Message-ID: References: <20220613125153.20423-1-chrubis@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Virus-Scanned: clamav-milter 0.102.4 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] syscalls/execve06: Add test for argv[0] = NULL X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > > in order to fix all potential CVEs where userspace programs attempt to > > blindly process the argv[] list starting at argv[1]. There was at least > > one example of this caught in the wild CVE-2021-4034 in polkit but there > > are likely more. > > Great, thanks for addressing this. > > > Fixes: #911 > > > testcases/kernel/syscalls/execve/.gitignore | 2 + > > testcases/kernel/syscalls/execve/execve06.c | 49 +++++++++++++++++++ > > .../kernel/syscalls/execve/execve06_child.c | 27 ++++++++++ > > 3 files changed, 78 insertions(+) > > create mode 100644 testcases/kernel/syscalls/execve/execve06.c > > create mode 100644 testcases/kernel/syscalls/execve/execve06_child.c > > This should go to runtest/syscalls and runtest/cve, right? > (can be fixed before merge). Sigh, sorry, I did forget about these. -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp