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 EB432C54EE9 for ; Tue, 13 Sep 2022 23:57:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229560AbiIMX5L (ORCPT ); Tue, 13 Sep 2022 19:57:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229665AbiIMX5K (ORCPT ); Tue, 13 Sep 2022 19:57:10 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37C88481E5 for ; Tue, 13 Sep 2022 16:57:10 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id C07DA60F3D for ; Tue, 13 Sep 2022 23:57:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13201C433C1; Tue, 13 Sep 2022 23:57:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1663113429; bh=TBmn6mR1jwxWJD1TwrjhLkkx2DO9xTlQj0mfhjfq7gk=; h=Date:To:From:Subject:From; b=mpuyuqoty5LxgnulWxJaFO/LaqgBcp/GkHwKZcmwkGJ9Fy4w7HmCtqowgsuMVFY/3 jGFdwbEdnTFYIoT10kPhfJv+bMoFQVwrFnU6KA2AUfaaG+Gd2McuR/NEEBajNKBuYe AwJvVImiMWhkrwcZqby+GuzU8DnhsLGS3dcdKWLg= Date: Tue, 13 Sep 2022 16:57:08 -0700 To: mm-commits@vger.kernel.org, zokeefe@google.com, shy828301@gmail.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix.patch added to mm-unstable branch Message-Id: <20220913235709.13201C433C1@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled subject: mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix has been added to the -mm mm-unstable branch. Its filename is mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Yang Shi subject: mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix Date: Tue, 13 Sep 2022 09:14:15 -0700 Link: https://lkml.kernel.org/r/CAHbLzkrr3PvKjs2vanVi5JFTQQ3R7hSNRWoHhAw+gBWOcFurcw@mail.gmail.com Fixes: 7d8faaf155454 ("mm/madvise: introduce MADV_COLLAPSE sync hugepage collapse") Signed-off-by:: Yang Shi Reported-by: syzbot+915f3e317adb0e85835f@syzkaller.appspotmail.com Cc: "Zach O'Keefe" Signed-off-by: Andrew Morton --- mm/khugepaged.c | 2 ++ 1 file changed, 2 insertions(+) --- a/mm/khugepaged.c~mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix +++ a/mm/khugepaged.c @@ -2438,6 +2438,8 @@ int madvise_collapse(struct vm_area_stru last_fail = result; goto out_nolock; } + + hend = vma->vm_end & HPAGE_PMD_MASK; } mmap_assert_locked(mm); memset(cc->node_load, 0, sizeof(cc->node_load)); _ Patches currently in -mm which might be from shy828301@gmail.com are mm-gup-fix-the-fast-gup-race-against-thp-collapse.patch powerpc-64s-radix-dont-need-to-broadcast-ipi-for-radix-pmd-collapse-flush.patch mm-madvise-introduce-madv_collapse-sync-hugepage-collapse-fix.patch