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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30BF6C43334 for ; Tue, 7 Jun 2022 23:19:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AECE26B0071; Tue, 7 Jun 2022 19:19:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A74B26B0073; Tue, 7 Jun 2022 19:19:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 915C26B0074; Tue, 7 Jun 2022 19:19:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 7B66C6B0071 for ; Tue, 7 Jun 2022 19:19:03 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id 4ED6A60EDE for ; Tue, 7 Jun 2022 23:19:03 +0000 (UTC) X-FDA: 79553007366.28.22CA065 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf17.hostedemail.com (Postfix) with ESMTP id B7FF64004F for ; Tue, 7 Jun 2022 23:19:02 +0000 (UTC) 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 EC79C61743; Tue, 7 Jun 2022 23:19:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3604C3411C; Tue, 7 Jun 2022 23:19:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654643941; bh=ZzzuMYRQflijaLaBGfODgyjv11U3286DsATKWuFwpis=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Q4tzwZKLfTJhFiZ6E6ehWQruktJF1G9RCR7xH9LzpMzFvIflKnHRv+NGoljYjEf/D 2GGR4p4XBrnLRyyQepbNS4pBZofypkhAC9PD4prF/CDDJOQb8Z/NvXRbHS7UUWCMHx zcPrPNwfbvhDBQBpQhOUX2589ylWzHF3SBoE7srbHRiDoYZfHOh6KCGTrjWRwgRk1v N58ZBwHrloJZYgCtaqQhb/rgiNH3flwfgsF1UJqXa3YWaKK5YH4JJNIneY5Phqupkc saueSepJdmC3+kbeduzEfiDVE9LAAeBf3osntAYbeMgarOoV4bL5w2CkuysSb6UM7Z FgnilzIcr5W0Q== Date: Tue, 7 Jun 2022 16:18:58 -0700 From: Eric Biggers To: Andrew Morton Cc: syzbot , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org, Stephen Brennan , David Howells , Jarkko Sakkinen , Greg Kroah-Hartman , Konstantin Komarov , ntfs3@lists.linux.dev Subject: Re: [syzbot] WARNING: locking bug in truncate_inode_pages_final Message-ID: References: <0000000000000cf8be05e0d65e09@google.com> <20220607160020.c088f4d29929310f2a3c1c32@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220607160020.c088f4d29929310f2a3c1c32@linux-foundation.org> X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: B7FF64004F X-Stat-Signature: 37yynpbabqqk64zkpfbhq5gpajo76g31 X-Rspam-User: Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Q4tzwZKL; spf=pass (imf17.hostedemail.com: domain of ebiggers@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=ebiggers@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-HE-Tag: 1654643942-906938 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 Tue, Jun 07, 2022 at 04:00:20PM -0700, Andrew Morton wrote: > Lots of cc's added. > > On Tue, 07 Jun 2022 00:16:29 -0700 syzbot wrote: > > > Hello, > > Thanks. > > > syzbot found the following issue on: > > Oh dear. > > > HEAD commit: d1dc87763f40 assoc_array: Fix BUG_ON during garbage collect > > I think this bisection is wrong. It's not a bisection; if it was, the report would say so. It's just the commit that identifies the kernel version on which the problem was seen. - Eric