From patchwork Fri Jan 31 06:16:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11359337 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 63FE192A for ; Fri, 31 Jan 2020 06:16:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 30BDD2082E for ; Fri, 31 Jan 2020 06:16:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="WxR734Fr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30BDD2082E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1C3466B058B; Fri, 31 Jan 2020 01:16:55 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 14D2E6B058D; Fri, 31 Jan 2020 01:16:55 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 03F496B058E; Fri, 31 Jan 2020 01:16:54 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0082.hostedemail.com [216.40.44.82]) by kanga.kvack.org (Postfix) with ESMTP id D95FE6B058B for ; Fri, 31 Jan 2020 01:16:54 -0500 (EST) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 887E9824805A for ; Fri, 31 Jan 2020 06:16:54 +0000 (UTC) X-FDA: 76436921148.13.salt98_3c4a2dbb2da48 X-Spam-Summary: 2,0,0,86f2bd0e26579ee9,d41d8cd98f00b204,akpm@linux-foundation.org,:adobriyan@gmail.com:akpm@linux-foundation.org::mm-commits@vger.kernel.org:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:966:967:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1539:1568:1711:1714:1730:1747:1777:1792:2196:2199:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3867:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:4385:5007:6261:6642:6653:7514:7576:7904:8599:9025:9545:10004:10913:11026:11658:11914:12043:12048:12297:12517:12519:12555:12679:12783:12986:13069:13161:13229:13311:13357:14094:14181:14384:14721:14849:21080:21450:21451:21627:21939:30054,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: salt98_3c4a2dbb2da48 X-Filterd-Recvd-Size: 2096 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf04.hostedemail.com (Postfix) with ESMTP for ; Fri, 31 Jan 2020 06:16:54 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5E09E24682; Fri, 31 Jan 2020 06:16:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580451413; bh=uiU00n2l7i3RtkkxN3pqmlG92C1NXhlCmeANdHmPASo=; h=Date:From:To:Subject:In-Reply-To:From; b=WxR734FrRq4RZwvzlXUcuxNcgPrfDTiuV4WwwhnPQg1lqyyG6BVmdq0FdWceqpsQr 5XG8+AAyLvmBPfn2yRE7aRwEg8S/TAsAJ3XSkCsF99a2ToWZnRAbqPVjNKKtnkdz1r Th84QeaWSG9ddsxW69VTV7lC7m2cX40gC8Psrwjs= Date: Thu, 30 Jan 2020 22:16:52 -0800 From: Andrew Morton To: adobriyan@gmail.com, akpm@linux-foundation.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 104/118] fs/binfmt_elf.c: fix ->start_code calculation Message-ID: <20200131061652.8dMCZIWC2%akpm@linux-foundation.org> In-Reply-To: <20200130221021.5f0211c56346d5485af07923@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Alexey Dobriyan Subject: fs/binfmt_elf.c: fix ->start_code calculation Only executable segments should be accounted to ->start_code just like they do to ->end_code (correctly). Link: http://lkml.kernel.org/r/20191208171410.GB19716@avx2 Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton --- fs/binfmt_elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/binfmt_elf.c~elf-fix-start_code-calculation +++ a/fs/binfmt_elf.c @@ -999,7 +999,7 @@ out_free_interp: } } 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;