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 X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAED4C43603 for ; Sun, 8 Dec 2019 17:14:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC3B020409 for ; Sun, 8 Dec 2019 17:14:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Qai/udvm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726566AbfLHROQ (ORCPT ); Sun, 8 Dec 2019 12:14:16 -0500 Received: from mail-wr1-f48.google.com ([209.85.221.48]:41677 "EHLO mail-wr1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726472AbfLHROQ (ORCPT ); Sun, 8 Dec 2019 12:14:16 -0500 Received: by mail-wr1-f48.google.com with SMTP id c9so13376767wrw.8 for ; Sun, 08 Dec 2019 09:14:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=ddevDPP88nZOueUc2DyGhMNdWqs4rNbRqoG40CMVqG0=; b=Qai/udvm07uHAC2Ufk+JLYlXQ4awUpyk/isTVpRTYECJcI6u4JTha+T7A5EbqrN3vW r2TqNiFfoxr4jaa2TkdWZ5Ikuggxe0eC+qu97XZ0eZjosyn4pvYZ++oScj+4ZFgOUhNI gfJDgA4560geLe6oMmMw1xAs93cVngO+uyC7hr80GlY/oBD6Xc9Sd77I7miTpog7T6RP SVZO2zWJCdmop9TigsRfiG8P32kMKRNr97wivuBqVNJobxpcG9YGknNkJrpQLW6qbirj SO8tvm0fQIdf3OjVAubP0MjDaA0VRus0rK2z0Ypt0AZsIj9uO3asEEODEgTR2CvJDVYo hx3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=ddevDPP88nZOueUc2DyGhMNdWqs4rNbRqoG40CMVqG0=; b=RGgM3uql2+JX0za8asLKino8K6IQSsWanOgAaPhztM4uvPR6skfqZ0BU53xTJiyY+A NBDMOT7KyFX9EEDEehO4DkhidbtMfsO4AjDZ9aY7kIxaeDt9tpZdZ5O9HVRi+HBSw3rM VmlGLzlpgWReFDBaZya/OYLKcv2oGq14StT7q7DhPeGXK+xsse3LtlyhPPSPSW+UmSAB 3u8FOLyJROm/nQthANH+DqH9f7VI4xppsiwliRWEKnBDPwacai2/Ag/riAOXC1WKNtOu UGV/WbvR8epUkNfYYmU5E3S6YSaLWqaOrSxYkL5Ye0Md7x9Ch/6/afLYIUu8RXS8kCeC sn8A== X-Gm-Message-State: APjAAAWciU5hVAkj/TbpA8LI64YkmccpqPM5cMb0JiIpj9IN0ykQxytr SDZ4KgGAzZ7IEpQ9yVcDljIy9cQ= X-Google-Smtp-Source: APXvYqwBrx5k8DPOm6/k/YHSxnrqoOijbxgJXBuxvB4Tmp7u9eyxE0WsD8wQ4cSrg2O+olPyV4XiFQ== X-Received: by 2002:adf:e74a:: with SMTP id c10mr25706890wrn.386.1575825254063; Sun, 08 Dec 2019 09:14:14 -0800 (PST) Received: from avx2 ([46.53.249.42]) by smtp.gmail.com with ESMTPSA id g9sm23429171wro.67.2019.12.08.09.14.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Dec 2019 09:14:13 -0800 (PST) Date: Sun, 8 Dec 2019 20:14:10 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] ELF: fix ->start_code calculation Message-ID: <20191208171410.GB19716@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Only executable segments should be accounted to ->start_code just like they do to ->end_code (correctly). Signed-off-by: Alexey Dobriyan --- fs/binfmt_elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -997,7 +997,7 @@ static int load_elf_binary(struct linux_binprm *bprm) } } k = elf_ppnt->p_vaddr; - if (k < start_code) + if ((elf_ppnt->p_flags & PF_X) && k < start_code) start_code = k; if (start_data < k) start_data = k;