Message ID | 20200904233555.nMt3agulD%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=0xW6=CN=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 1A61613B1 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 4 Sep 2020 23:35:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D2A33208FE for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 4 Sep 2020 23:35:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="FJ4qmXIW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D2A33208FE 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 BAF6A6B0073; Fri, 4 Sep 2020 19:35:57 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id B5EE26B0074; Fri, 4 Sep 2020 19:35:57 -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 A9C576B0075; Fri, 4 Sep 2020 19:35:57 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 951D76B0073 for <linux-mm@kvack.org>; Fri, 4 Sep 2020 19:35:57 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 5A8F7181AC9CB for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:35:57 +0000 (UTC) X-FDA: 77226989154.28.wine62_3811e61270b6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id 2C8F86C04 for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:35:57 +0000 (UTC) X-Spam-Summary: 1,0,0,ffbcbac194905f54,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:965:966:967:968:973:982:988:989:1260:1345:1359:1381:1431:1437:1535:1544:1711:1730:1747:1777:1792:1981:2194:2196:2199:2200:2393:2525:2553:2559:2563:2682:2685:2859:2902:2918:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3354:3865:3866:3868:3870:3871:3872:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:4385:4390:4395:5007:6238:6261:6653:7514:7576:7875:7903:8603:8660:9025:9163:9545:10004:11026:11473:11658:11914:12043:12048:12295:12296:12297:12438:12517:12519:12555:12679:12740:12895:12986:13148:13161:13221:13229:13230:13846:13870:14181:14721:21060:21080:21451:21627:21795:21939:30012:30029:30054:30056:30090,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100;04yf1iw5cxksh9tni6camtdbw391hypi83i9bkowsmhedyg4ugqwrwxiifu4fp5.ybdoshriqkk5s8w1pxqkhfi97jid8nouuuwebgwrbdqnpx3nm6d6cb76sfdoatk.a-lbl8.mailshell.net-2 23.238.2 X-HE-Tag: wine62_3811e61270b6 X-Filterd-Recvd-Size: 5856 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf22.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:35:56 +0000 (UTC) Received: from localhost.localdomain (c-71-198-47-131.hsd1.ca.comcast.net [71.198.47.131]) (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 A5B452084D; Fri, 4 Sep 2020 23:35:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599262555; bh=01S+J4BG+Uf2gR8LLsPpEO4B5nFRQXzksXiZYB5ydhY=; h=Date:From:To:Subject:In-Reply-To:From; b=FJ4qmXIWpL8MhhHxO++lxAQTDhBykVP/EquZz1F/7hXd3y6/4owjeZTCcrJPPadLZ SzpEUXirhFzTCcj3LH+zl/uqDL4TwlI7CHGBCZeGJ4upAjdvMoG4nDP9/l/nK72pUw 8LIIujnVLTb0vLnXnDKi0hN4j8zS3ekJX+nrnSqQ= Date: Fri, 04 Sep 2020 16:35:55 -0700 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, jack@suse.cz, linux-mm@kvack.org, mm-commits@vger.kernel.org, shy828301@gmail.com, stable@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 11/19] mm: madvise: fix vma user-after-free Message-ID: <20200904233555.nMt3agulD%akpm@linux-foundation.org> In-Reply-To: <20200904163454.4db0e6ce0c4584d2653678a3@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 2C8F86C04 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.035093, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
[01/19] memcg: fix use-after-free in uncharge_batch
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expand
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--- a/mm/madvise.c~mm-madvise-fix-vma-user-after-free +++ a/mm/madvise.c @@ -289,9 +289,9 @@ static long madvise_willneed(struct vm_a */ *prev = NULL; /* tell sys_madvise we drop mmap_lock */ get_file(file); - mmap_read_unlock(current->mm); offset = (loff_t)(start - vma->vm_start) + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); + mmap_read_unlock(current->mm); vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED); fput(file); mmap_read_lock(current->mm);