From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932319AbeAaAgC (ORCPT ); Tue, 30 Jan 2018 19:36:02 -0500 Received: from www62.your-server.de ([213.133.104.62]:57316 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752466AbeAaAgB (ORCPT ); Tue, 30 Jan 2018 19:36:01 -0500 Subject: Re: general protection fault in ___bpf_prog_run To: syzbot , ast@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <001a1145708e44fca00564049e52@google.com> From: Daniel Borkmann Message-ID: <1ef4ac96-f409-5711-e8f7-2e7632ef618b@iogearbox.net> Date: Wed, 31 Jan 2018 01:35:54 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <001a1145708e44fca00564049e52@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/30/2018 09:58 PM, syzbot wrote: > Hello, > > syzbot hit the following crash on bpf-next commit > 868c36dcc949c26bc74fa4661b670d9acc6489e4 (Mon Jan 29 03:00:16 2018 +0000) > Merge tag 'wireless-drivers-next-for-davem-2018-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next > > So far this crash happened 2 times on bpf-next. > C reproducer is attached. > syzkaller reproducer is attached. > Raw console output is attached. > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+1eb094057b338eb1fc00@syzkaller.appspotmail.com > It will help syzbot understand when the bug is fixed. See footer for details. > If you forward the report, please keep this part and the footer. Really great syzkaller report ! Fixed by: http://patchwork.ozlabs.org/patch/867748/