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=-5.4 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_MUTT 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 52CC5C282DD for ; Thu, 23 May 2019 17:57:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BED820644 for ; Thu, 23 May 2019 17:57:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YgMBxKYL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731453AbfEWR5l (ORCPT ); Thu, 23 May 2019 13:57:41 -0400 Received: from mail-wr1-f44.google.com ([209.85.221.44]:39971 "EHLO mail-wr1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731206AbfEWR5l (ORCPT ); Thu, 23 May 2019 13:57:41 -0400 Received: by mail-wr1-f44.google.com with SMTP id f10so7259514wre.7 for ; Thu, 23 May 2019 10:57:40 -0700 (PDT) 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=npurEhQFkRrHzUL5AZ34/mton9sqbecFYDOR6wrDNXw=; b=YgMBxKYLwA3BTuAwfHJvTccICQQi7eLvD+O2qkQAdY3215i9UdMt0BKfbs10bS1aJn zRDm0yDNwiTPH3LFLziuiUmp39Q2kImc7WH2Rhx6/VD3ThUN5H5Y0FsnMT3hrSdB04tW VYAs8UdoA/dtwSJ4+9oBuuCX85ijbib4/Dxy0FL70nEqGlG1RcVJ9moThn8ZDZa6ONvi m6bSW/o63f9iCyxorHAk5Q7u3pUbxwIMyrK+piHoDBynsp8L6zA5zlCCl+0cHbIj81Qj +nohXCZkkrl5+hUPYp7h45T3GPwzCTNA4XQeLgQnv2q/hzbKMomMiduHr03Anj6JJF2p 7APg== 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=npurEhQFkRrHzUL5AZ34/mton9sqbecFYDOR6wrDNXw=; b=Lu+A0NBN5I4XxYv3Q9kYgXXAlv67SVN8Cd8t4elpV6/JuclUZfWOhBM/29lrmkd4K9 fCI5kJHukMuOMuFQJix+Us5GzNrhc9eSJrhmCougYHR1pWb+G3O5Mnd5gjCEhZVNTqDz dF19TGDAPAc6OULhqh09XrsoyuJP4RF/MlkuV2gRRVZZIXhsM5Kb4xf3Pq/4FHpUC1sk 71M1A/8UHt34nMFEi8fUhgk9Q8tWg1Ohj02cUp4SGzQHJrRw8ojyweaWqA26MV3xY4ij MlNFk6w8+RJtjc/PGCux8F/X8JTFnOhrQHRLz055lYbZoXg8eIo9Gpl6NG7+1AAnCWTD wARQ== X-Gm-Message-State: APjAAAVku4Eci1bxmNSKlhHh93IojT/PLKAzSYbUkOCUn1HMDzm89coJ 24Kud8sllYIZeX+Vrj6ADF+5QDg= X-Google-Smtp-Source: APXvYqzSqkFIzvlcu8Dfoa2PcTkILCHL53QGzH957rp6Wl3AVKO80ws7Z+PKRSpk1jU5iYbOLC7xdg== X-Received: by 2002:adf:df8f:: with SMTP id z15mr55312765wrl.140.1558634259680; Thu, 23 May 2019 10:57:39 -0700 (PDT) Received: from avx2 ([46.53.252.55]) by smtp.gmail.com with ESMTPSA id b5sm26243888wrp.92.2019.05.23.10.57.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 May 2019 10:57:38 -0700 (PDT) Date: Thu, 23 May 2019 20:57:36 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] elf: fix "start_code" evaluation Message-ID: <20190523175736.GA6222@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 ELF program headers should change ->start_code. 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 @@ -1026,7 +1026,7 @@ 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;