Message ID | 20201017231415.XtZWgOT7Q%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=DtjL=DY=kvack.org=owner-linux-mm@kernel.org> 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 5998915E6 for <patchwork-linux-mm@patchwork.kernel.org>; Sat, 17 Oct 2020 23:14:19 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1C746208E4 for <patchwork-linux-mm@patchwork.kernel.org>; Sat, 17 Oct 2020 23:14:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="2J556YqS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C746208E4 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 2BE6F6B0080; Sat, 17 Oct 2020 19:14:18 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 2444F6B0081; Sat, 17 Oct 2020 19:14:18 -0400 (EDT) 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 181C06B0082; Sat, 17 Oct 2020 19:14:18 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0165.hostedemail.com [216.40.44.165]) by kanga.kvack.org (Postfix) with ESMTP id DFD9A6B0080 for <linux-mm@kvack.org>; Sat, 17 Oct 2020 19:14:17 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 8C237181AEF07 for <linux-mm@kvack.org>; Sat, 17 Oct 2020 23:14:17 +0000 (UTC) X-FDA: 77382972954.10.legs72_1c0aca227229 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 67A8516A0AB for <linux-mm@kvack.org>; Sat, 17 Oct 2020 23:14:17 +0000 (UTC) X-Spam-Summary: 1,0,0,b734a99dd49062c4,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:967:973:988:989:1260:1345:1359:1381:1431:1437:1534:1542:1711:1730:1747:1777:1792:2198:2199:2393:2525:2553:2559:2563:2682:2685:2691:2731:2859:2901:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3353:3865:3867:3868:3870:3871:3872:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:5007:6261:6653:6737:7576:7903:7904:7974:8957:9025:9545:10004:11026:11658:11914:12043:12048:12296:12297:12438:12517:12519:12663:12679:13161:13229:14181:14721:21080:21324:21451:21627:21795:21939:21990:30054:30064:30070:30090,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201;04yfunu87bskbj9xgp1juao5io3quyctdxt56q5r1qxwacrgzus79crmjypgkd6.kfbway8s1ks8jp8h1mrpct34u4j8chk6siiketrmbrcif8icz393ipgnnfm9gm9.o-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL :0,DNSBL X-HE-Tag: legs72_1c0aca227229 X-Filterd-Recvd-Size: 3487 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf21.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Sat, 17 Oct 2020 23:14:17 +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 E683D208B6; Sat, 17 Oct 2020 23:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602976456; bh=3kOwiTpnCK1Bv4+1XPwqTtAubtIlwLSRR5F/+KJVms8=; h=Date:From:To:Subject:In-Reply-To:From; b=2J556YqShNJAJGEGS4R90SU++sGEP0FUvOaP09UqQ+RsiSz/LUKoo+v8AI8asZ3m1 2T5b8U2quZENka6NICO0hmXKOYWfqptB2eZSLbAZjpEcHjp5qG7khiPDJmRpN180N8 uIgCUqt8RNNstkmB4kkrpWR+xwPevDrCzacYxDcU= Date: Sat, 17 Oct 2020 16:14:15 -0700 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, ebiederm@xmission.com, jannh@google.com, jgg@nvidia.com, jhubbard@nvidia.com, linux-mm@kvack.org, mchehab@kernel.org, mm-commits@vger.kernel.org, sakari.ailus@linux.intel.com, torvalds@linux-foundation.org, walken@google.com Subject: [patch 13/40] binfmt_elf: take the mmap lock around find_extend_vma() Message-ID: <20201017231415.XtZWgOT7Q%akpm@linux-foundation.org> In-Reply-To: <20201017161314.88890b87fae7446ccc13c902@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: <linux-mm.kvack.org> |
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[01/40] ia64: fix build error with !COREDUMP
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expand
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--- a/fs/binfmt_elf.c~binfmt_elf-take-the-mmap-lock-around-find_extend_vma +++ a/fs/binfmt_elf.c @@ -310,7 +310,10 @@ create_elf_tables(struct linux_binprm *b * Grow the stack manually; some architectures have a limit on how * far ahead a user-space access may be in order to grow the stack. */ + if (mmap_read_lock_killable(mm)) + return -EINTR; vma = find_extend_vma(mm, bprm->p); + mmap_read_unlock(mm); if (!vma) return -EFAULT;