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 392C7C46467 for ; Mon, 16 Jan 2023 17:14:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234359AbjAPRO4 (ORCPT ); Mon, 16 Jan 2023 12:14:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234346AbjAPRNW (ORCPT ); Mon, 16 Jan 2023 12:13:22 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0682233C7 for ; Mon, 16 Jan 2023 08:54:15 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8BB65B8105D for ; Mon, 16 Jan 2023 16:54:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E86C9C433D2; Mon, 16 Jan 2023 16:54:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673888053; bh=mO0ziDS60yhaXrgsLEhVLWX0o/s9J7j4rqQf+uv5keQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iXmDbR+HJy6qxUex75Ie1j3zl028uu13a/8VMH45/GSZqyxJFOitLXCt3syaxfyoq IpaKGi+IXYeXGO0qhfkwN8xFdG0SjI1Fa0vc5UE0DEUr3bVmIatt7Wz/IPjJiaka1D OBA6H516vQEfkcGmFKVQjJBOkHXwU5UCGnMG41o0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wang Yufen , Kees Cook , Sasha Levin Subject: [PATCH 4.19 382/521] binfmt: Fix error return code in load_elf_fdpic_binary() Date: Mon, 16 Jan 2023 16:50:44 +0100 Message-Id: <20230116154904.205786574@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wang Yufen [ Upstream commit e7f703ff2507f4e9f496da96cd4b78fd3026120c ] Fix to return a negative error code from create_elf_fdpic_tables() instead of 0. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Wang Yufen Signed-off-by: Kees Cook Link: https://lore.kernel.org/r/1669945261-30271-1-git-send-email-wangyufen@huawei.com Signed-off-by: Sasha Levin --- fs/binfmt_elf_fdpic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 60896c16f103..64d0b838085d 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -439,8 +439,9 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm) current->mm->start_stack = current->mm->start_brk + stack_size; #endif - if (create_elf_fdpic_tables(bprm, current->mm, - &exec_params, &interp_params) < 0) + retval = create_elf_fdpic_tables(bprm, current->mm, &exec_params, + &interp_params); + if (retval < 0) goto error; kdebug("- start_code %lx", current->mm->start_code); -- 2.35.1