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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17138C433FE for ; Wed, 9 Nov 2022 01:38:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229907AbiKIBih (ORCPT ); Tue, 8 Nov 2022 20:38:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229891AbiKIBic (ORCPT ); Tue, 8 Nov 2022 20:38:32 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C6BB606AF for ; Tue, 8 Nov 2022 17:38:20 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EF0ABB81C38 for ; Wed, 9 Nov 2022 01:38:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A046EC433D6; Wed, 9 Nov 2022 01:38:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1667957897; bh=qHbFEfrAJ8NWCiD7Cva3F/EPR7SRxGSd6+u1rZf30Xw=; h=Date:To:From:Subject:From; b=PijQEYRtn2F6D+wLfOdnYmY1HTY9vGPxQvhKquAD/NMicSJidbRyryQflAymixCNG BvHabUGbIoFqLvRmlm/Gc8HKhp1fK8uTlrw49WA0LxCZS/f9O93ckB0/dgpEGxesB1 M5pIxFh8YMlwt1MUX777cb/S9WjeWSIt6oQxWkKs= Date: Tue, 08 Nov 2022 17:38:17 -0800 To: mm-commits@vger.kernel.org, mawupeng1@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-rmap-fix-comment-in-anon_vma_clone.patch removed from -mm tree Message-Id: <20221109013817.A046EC433D6@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm/rmap: fix comment in anon_vma_clone() has been removed from the -mm tree. Its filename was mm-rmap-fix-comment-in-anon_vma_clone.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Ma Wupeng Subject: mm/rmap: fix comment in anon_vma_clone() Date: Fri, 14 Oct 2022 09:39:31 +0800 Commit 2555283eb40d ("mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse") use num_children and num_active_vmas to replace the origin degree to fix anon_vma UAF problem. Update the comment in anon_vma_clone to fit this change. Link: https://lkml.kernel.org/r/20221014013931.1565969-1-mawupeng1@huawei.com Signed-off-by: Ma Wupeng Signed-off-by: Andrew Morton --- mm/rmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/rmap.c~mm-rmap-fix-comment-in-anon_vma_clone +++ a/mm/rmap.c @@ -315,8 +315,8 @@ int anon_vma_clone(struct vm_area_struct enomem_failure: /* - * dst->anon_vma is dropped here otherwise its degree can be incorrectly - * decremented in unlink_anon_vmas(). + * dst->anon_vma is dropped here otherwise its num_active_vmas can + * be incorrectly decremented in unlink_anon_vmas(). * We can safely do this because callers of anon_vma_clone() don't care * about dst->anon_vma if anon_vma_clone() failed. */ _ Patches currently in -mm which might be from mawupeng1@huawei.com are