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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 114D7C2D0EC for ; Mon, 30 Mar 2020 15:14:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB5F9205ED for ; Mon, 30 Mar 2020 15:14:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728599AbgC3POP (ORCPT ); Mon, 30 Mar 2020 11:14:15 -0400 Received: from www262.sakura.ne.jp ([202.181.97.72]:54783 "EHLO www262.sakura.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727696AbgC3POO (ORCPT ); Mon, 30 Mar 2020 11:14:14 -0400 Received: from fsav305.sakura.ne.jp (fsav305.sakura.ne.jp [153.120.85.136]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 02UFD7Hq079755; Tue, 31 Mar 2020 00:13:07 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav305.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav305.sakura.ne.jp); Tue, 31 Mar 2020 00:13:07 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav305.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 02UFD7n5079751 (version=TLSv1.2 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 31 Mar 2020 00:13:07 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Subject: Re: kernel panic: smack: Failed to initialize cipso DOI. To: syzbot , casey@schaufler-ca.com References: <000000000000db448f05a212beea@google.com> Cc: jmorris@namei.org, linux-security-module@vger.kernel.org, serge@hallyn.com, syzkaller-bugs@googlegroups.com From: Tetsuo Handa Message-ID: Date: Tue, 31 Mar 2020 00:13:05 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <000000000000db448f05a212beea@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/03/30 22:51, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 1b649e0b Merge git://git.kernel.org/pub/scm/linux/kernel/g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=14957099e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=4ac76c43beddbd9 > dashboard link: https://syzkaller.appspot.com/bug?extid=89731ccb6fec15ce1c22 > compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1202c375e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1390bb03e00000 Wrong bisection. This is not a network / driver problem. There is a memory allocation fault injection prior to this panic. [ T1576] FAULT_INJECTION: forcing a failure. [ T1576] Kernel panic - not syncing: smack: Failed to initialize cipso DOI.