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 895C9C7EE43 for ; Fri, 9 Jun 2023 23:12:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231932AbjFIXL7 (ORCPT ); Fri, 9 Jun 2023 19:11:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231560AbjFIXL6 (ORCPT ); Fri, 9 Jun 2023 19:11:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 678A52D52 for ; Fri, 9 Jun 2023 16:11:57 -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 06A3064C41 for ; Fri, 9 Jun 2023 23:11:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5958DC433D2; Fri, 9 Jun 2023 23:11:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1686352316; bh=pensDyAatPyUUHOE06TTMaCmJQEITPT5MvvYK2MaRQk=; h=Date:To:From:Subject:From; b=AJppoeL4GX9yRSjMVwy9yyEWfn+qozpuPepA1vHO8lrEVklF7VLN2+UeDV0S0e5x3 Ph4wpNA1EOZGs6J2kx5qEvUf6KqHGFkGAVp65o1LkkUaPOX+AT2gnOFyktPxxZHB67 agxoi+kgqf7J5V6Z+2XRqKpwpvw8oJ4aeZkFfoWY= Date: Fri, 09 Jun 2023 16:11:55 -0700 To: mm-commits@vger.kernel.org, willy@infradead.org, syzbot+3c6cac1550288f8e7060@syzkaller.appspotmail.com, nphamcs@gmail.com, mtk.manpages@gmail.com, hannes@cmpxchg.org, bfoster@redhat.com, penguin-kernel@I-love.SAKURA.ne.jp, akpm@linux-foundation.org From: Andrew Morton Subject: [folded-merged] workingset-refactor-lru-refault-to-expose-refault-recency-check-fix.patch removed from -mm tree Message-Id: <20230609231156.5958DC433D2@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: workingset: add missing rcu_read_unlock() in lru_gen_refault() has been removed from the -mm tree. Its filename was workingset-refactor-lru-refault-to-expose-refault-recency-check-fix.patch This patch was dropped because it was folded into workingset-refactor-lru-refault-to-expose-refault-recency-check.patch ------------------------------------------------------ From: Tetsuo Handa Subject: workingset: add missing rcu_read_unlock() in lru_gen_refault() Date: Wed, 10 May 2023 07:22:55 +0900 syzbot is reporting sleep in RCU context, for commit d66c718d28ac ("workingset: refactor LRU refault to expose refault recency check") missed rcu_read_unlock(). Link: https://lkml.kernel.org/r/610781bc-cf11-fc89-a46f-87cb8235d439@I-love.SAKURA.ne.jp Reported-by: syzbot Closes: https://syzkaller.appspot.com/bug?extid=3c6cac1550288f8e7060 Signed-off-by: Tetsuo Handa Fixes: d66c718d28ac ("workingset: refactor LRU refault to expose refault recency check") Acked-by: Johannes Weiner Acked-by: Nhat Pham Cc: Brian Foster Cc: Matthew Wilcox (Oracle) Cc: Michael Kerrisk Signed-off-by: Andrew Morton --- mm/workingset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/workingset.c~workingset-refactor-lru-refault-to-expose-refault-recency-check-fix +++ a/mm/workingset.c @@ -303,7 +303,7 @@ static void lru_gen_refault(struct folio goto unlock; if (pgdat != folio_pgdat(folio)) - return; + goto unlock; lruvec = mem_cgroup_lruvec(memcg, pgdat); lrugen = &lruvec->lrugen; _ Patches currently in -mm which might be from penguin-kernel@I-love.SAKURA.ne.jp are workingset-refactor-lru-refault-to-expose-refault-recency-check.patch mm-page_alloc-dont-wake-kswapd-from-rmqueue-unless-__gfp_kswapd_reclaim-is-specified.patch kasankmsan-remove-__gfp_kswapd_reclaim-usage-from-kasan-kmsan.patch