From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934129AbeALQAB (ORCPT + 1 other); Fri, 12 Jan 2018 11:00:01 -0500 Received: from mail-io0-f193.google.com ([209.85.223.193]:34881 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934046AbeALQAA (ORCPT ); Fri, 12 Jan 2018 11:00:00 -0500 X-Google-Smtp-Source: ACJfBos6yskOr5LAPLp+AjGigXScbWs4UXfR6inx3Rl+NZPl7iTUdO6Ax6JYpxRDk3uYV1d4SBTnzw== Subject: Re: WARNING in netlink_ack (2) To: Xin Long , syzbot Cc: Jason@zx2c4.com, Andrey Vagin , davem , Eric Dumazet , elena.reshetova@intel.com, Herbert Xu , ishkamiel@gmail.com, johannes.berg@intel.com, keescook@chromium.org, LKML , network dev , syzkaller-bugs@googlegroups.com References: <001a113edec02f60fb05626f650f@google.com> From: David Ahern Message-ID: <20885c52-90fe-a5fa-4528-742b1a9dba01@gmail.com> Date: Fri, 12 Jan 2018 08:59:51 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 1/12/18 4:34 AM, Xin Long wrote: >> audit: type=1400 audit(1515595879.379:7): avc: denied { map } for >> pid=3498 comm="syzkaller002174" path="/root/syzkaller002174137" dev="sda1" >> ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 >> tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 >> tc_ctl_action: received NO action attribs >> WARNING: CPU: 0 PID: 3498 at net/netlink/af_netlink.c:2365 >> netlink_ack+0x625/0xa10 net/netlink/af_netlink.c:2363 >> Kernel panic - not syncing: panic_on_warn set ... > > shoudn't the extack be cleared after the ack for one msg ? > I sent a patch 2 days ago to do that; waiting for Dave to pick it up.