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 X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE1D0C47082 for ; Tue, 8 Jun 2021 00:02:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 813B560232 for ; Tue, 8 Jun 2021 00:02:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 813B560232 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 196706B0070; Mon, 7 Jun 2021 20:02:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 16E656B0071; Mon, 7 Jun 2021 20:02:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 00FB16B0072; Mon, 7 Jun 2021 20:02:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0244.hostedemail.com [216.40.44.244]) by kanga.kvack.org (Postfix) with ESMTP id BA18F6B0070 for ; Mon, 7 Jun 2021 20:02:30 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 4BD01181AEF0B for ; Tue, 8 Jun 2021 00:02:30 +0000 (UTC) X-FDA: 78228604860.30.28D8364 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf25.hostedemail.com (Postfix) with ESMTP id 8721C6000140 for ; Tue, 8 Jun 2021 00:02:27 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 6E16260200; Tue, 8 Jun 2021 00:02:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1623110548; bh=7v9F9tZ4VsJWJXm6G7kmNYKKSpWS4x2hM8W5w21E+2Y=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=O0+Qep8Gz/4M7ZHLIGGTUu2af7NI3iJmT2OM8OZdPCdieE4pVg4qcuGjWYMlkq5Uu zIo8RKWb/VZH3nu9es94FG5ghpC+ozjF67+sTFHpiYUhX3ZpZADGLLaUX+3kgeuiAK rbd3ireZDInyvc689ST9o07zpndvUXSxcYeonxeU= Date: Mon, 7 Jun 2021 17:02:28 -0700 From: Andrew Morton To: yangerkun Cc: , , , , , , Subject: Re: [PATCH v2] mm/memory-failure: make sure wait for page writeback in memory_failure Message-Id: <20210607170228.ec4c390ac592cbb0a6f8dbaf@linux-foundation.org> In-Reply-To: <20210604084705.3729204-1-yangerkun@huawei.com> References: <20210604084705.3729204-1-yangerkun@huawei.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=O0+Qep8G; spf=pass (imf25.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Stat-Signature: ti3kcnofpi8geok8hwsbohd55gri4azj X-Rspamd-Queue-Id: 8721C6000140 X-Rspamd-Server: rspam06 X-HE-Tag: 1623110547-710982 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: On Fri, 4 Jun 2021 16:47:05 +0800 yangerkun wrote: > Our syzkaller trigger the "BUG_ON(!list_empty(&inode->i_wb_list))" in > clear_inode: > > [ 292.016156] ------------[ cut here ]------------ > [ 292.017144] kernel BUG at fs/inode.c:519! > > ... > > Fixes: 0bc1f8b0682c ("hwpoison: fix the handling path of the victimized page frame that belong to non-LRU") Merged in 2014. > Signed-off-by: yangerkun So I shall place a cc:stable here. But why did it take so long to discover this?