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 C6D17C433EF for ; Mon, 30 May 2022 01:07:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2F4738D0002; Sun, 29 May 2022 21:07:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2A4EA8D0001; Sun, 29 May 2022 21:07:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 143F48D0002; Sun, 29 May 2022 21:07:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 05BEA8D0001 for ; Sun, 29 May 2022 21:07:43 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id BFF3C5DF for ; Mon, 30 May 2022 01:07:42 +0000 (UTC) X-FDA: 79520621964.26.41D1107 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf17.hostedemail.com (Postfix) with ESMTP id DABC040054 for ; Mon, 30 May 2022 01:07:08 +0000 (UTC) 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=IPFTQZuRqUZGPpMs2Tbq5NA/YUi9v0QLAMJuBZ/M428=; b=bCTTDUuItadsxAakExgMdByKiI P8OT/Hh49mubuXG/9Fl84MxUsZqsv6au9iISF8jC9+7lfbVBHUagq+8vZPOXAofrb3EB71oEeItNd zOBog4I7dvZ9adR8yZ1GuoAvKa6VE65cZIyqcCLeCzKKdUzKN+fhdhu3TDdutHqIZmwjqYWc7nsYG k17WZ1v2MBbLuuz7ijAaPRM/8rmnGaV7YdVjQnTR/dSHm7zogL/oEDaiLg4p1VPrZxbMsLz6Q81w5 DO5pcQhhy7RY+JffO51i7Diz2HfEkNdNndkGPJq82YwKugEr4w8esMehC50dZ77mpwPLdwwuIS/9G vchE/xnQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nvTse-0043JI-Ad; Mon, 30 May 2022 01:07:36 +0000 Date: Mon, 30 May 2022 02:07:36 +0100 From: Matthew Wilcox To: Andrew Morton Cc: syzbot , linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] memory leak in xas_nomem Message-ID: References: <00000000000036af2005e009e7e6@google.com> <20220529163935.5118b4f91e2c5c3378ab326f@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220529163935.5118b4f91e2c5c3378ab326f@linux-foundation.org> X-Rspam-User: X-Rspamd-Queue-Id: DABC040054 X-Stat-Signature: dxcdzmgiptofukr7f17urzgp9cn7kt1g Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=bCTTDUuI; spf=none (imf17.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-Rspamd-Server: rspam09 X-HE-Tag: 1653872828-728729 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 Sun, May 29, 2022 at 04:39:35PM -0700, Andrew Morton wrote: > On Fri, 27 May 2022 20:20:21 -0700 syzbot wrote: > > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: 1e57930e9f40 Merge tag 'rcu.2022.05.19a' of git://git.kern.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=17afc423f00000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=5757003cb23a31a7 > > dashboard link: https://syzkaller.appspot.com/bug?extid=9e27a75a8c24f3fe75c1 > > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16bc056ef00000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116b7d9df00000 > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+9e27a75a8c24f3fe75c1@syzkaller.appspotmail.com > > > > BUG: memory leak > > (hopefully cc's willy) Thanks; I saw it, I've just been busy this weekend. https://www.sportstats.ca/display-results.xhtml?raceid=114439&status=results&bib=3970