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 C95E7CD4846 for ; Fri, 22 Sep 2023 17:28:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231309AbjIVR2m (ORCPT ); Fri, 22 Sep 2023 13:28:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230025AbjIVR2l (ORCPT ); Fri, 22 Sep 2023 13:28:41 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AF8E194; Fri, 22 Sep 2023 10:28:26 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA9FCC433C8; Fri, 22 Sep 2023 17:28:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1695403706; bh=5e+Uaa6IVXhwt1E8qsYEHDmAS2OFX3RrpBQFhfedKBc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=p2MLgonAtabExJ6WcBnB7c1yQdb18pCCLp8DgbhIOUvUNOrb3VOjLXSMlxf6K06dx bct8IhcGTDWdtae5yf8MsKc04A+Xwm2J6KESzlokuiMN6vIFQ4j0kUYCJpakllHbiL ogx8bae+iNaa19jzmh5zfqTAXitSrpKPIwIiAhpg= Date: Fri, 22 Sep 2023 10:28:25 -0700 From: Andrew Morton To: syzbot Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, David Hildenbrand Subject: Re: [syzbot] [mm?] linux-next test error: WARNING in page_add_anon_rmap Message-Id: <20230922102825.061c67b4418190426fdc68f2@linux-foundation.org> In-Reply-To: <00000000000090d6a00605eb5de9@google.com> References: <00000000000090d6a00605eb5de9@google.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 21 Sep 2023 21:51:45 -0700 syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 7fc7222d9680 Add linux-next specific files for 20230918 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=13acae54680000 > kernel config: https://syzkaller.appspot.com/x/.config?x=79253779bcbe3130 > dashboard link: https://syzkaller.appspot.com/bug?extid=6ccbcd15a17f3e1cde38 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/82da18e596ba/disk-7fc7222d.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/4e71084ae5e0/vmlinux-7fc7222d.xz > kernel image: https://storage.googleapis.com/syzbot-assets/f412e76b12e4/bzImage-7fc7222d.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+6ccbcd15a17f3e1cde38@syzkaller.appspotmail.com > > destroy_args+0x768/0x990 mm/debug_vm_pgtable.c:1028 > debug_vm_pgtable+0x1d79/0x3df0 mm/debug_vm_pgtable.c:1408 > do_one_initcall+0x11c/0x640 init/main.c:1232 > do_initcall_level init/main.c:1294 [inline] > do_initcalls init/main.c:1310 [inline] > do_basic_setup init/main.c:1329 [inline] > kernel_init_freeable+0x5c2/0x8f0 init/main.c:1547 > kernel_init+0x1c/0x2a0 init/main.c:1437 > ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 5053 at mm/rmap.c:1252 page_add_anon_rmap+0xc33/0x1a70 mm/rmap.c:1252 Thanks, this should be addressed by https://lkml.kernel.org/r/d8e5a093-2e22-c14b-7e64-6da280398d9f@redhat.com