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 48F50C433EF for ; Fri, 14 Jan 2022 00:30:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238422AbiANAao (ORCPT ); Thu, 13 Jan 2022 19:30:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230491AbiANAan (ORCPT ); Thu, 13 Jan 2022 19:30:43 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 349F1C061574; Thu, 13 Jan 2022 16:30:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=54KQIIRQWaQKeVSpqMmcruRzw4QbdmH7UbY8+htwdso=; b=XBCZFUr1hWoWA1gWKc2wNuyLB3 aSoF4htM9EklGuEX9QXPb7O0Vg8hHNIHG75WXKji+vYJxmJ34+EPxNVKikUmuHOfTmC2FA8YCilKR HpYF2HuWP3dbZFdSaQnBzrX5GmP8W23qgQbZKZTdvKEGq4f556AQob5mS4gO9Fi1XUhgRqIo4FaM/ fKKqXEk/K4iFTsJcJued0d9lZO+aUDJlFBdqJeF+0HKYPwyeVKTlJpsm23YOndGikXlekQnSoTDlg RDBXhwvvIP6c/89lHhybszMR32mvTJlZTTpvKx1ZNV27L78RBeWdLJOdZ3mdN2YeNqYjzOwItMEfh CTi4Z86Q==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n8AUH-005LfN-JG; Fri, 14 Jan 2022 00:30:37 +0000 Date: Fri, 14 Jan 2022 00:30:37 +0000 From: Matthew Wilcox To: Randy Dunlap Cc: Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , linux-mm , Andrew Morton Subject: Re: linux-next: Tree for Jan 13 (UBSAN: invalid-load in ../mm/swap.c:996:11) Message-ID: References: <20220113152247.3f7c6c49@canb.auug.org.au> <56c04e36-ff53-10c7-34dd-1c1385639de6@infradead.org> <24d83e9c-a4d5-176b-1ff3-909d0ad56302@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24d83e9c-a4d5-176b-1ff3-909d0ad56302@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 13, 2022 at 01:26:48PM -0800, Randy Dunlap wrote: > > > On 1/13/22 12:47, Matthew Wilcox wrote: > > On Thu, Jan 13, 2022 at 12:12:52PM -0800, Randy Dunlap wrote: > >> [ 1.561983] UBSAN: invalid-load in ../mm/swap.c:996:11 > >> [ 1.561986] load of value 221 is not a valid value for type '_Bool' > > > > Ooh. This one's mine. Randy, does it repeat easily? This should > > fix it: > > Yes, 100% of the time (for N = 3). > > Reported-by: Randy Dunlap > Tested-by: Randy Dunlap > > Fixed 100% of the time (for N = 3). Thanks. It's now at https://git.infradead.org/users/willy/pagecache.git/shortlog/refs/heads/for-next so it'll be part of the next linux-next.