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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 A0DC2C282DD for ; Fri, 10 Jan 2020 19:12:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 783F52051A for ; Fri, 10 Jan 2020 19:12:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728332AbgAJTMs (ORCPT ); Fri, 10 Jan 2020 14:12:48 -0500 Received: from s3.sipsolutions.net ([144.76.43.62]:40692 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727355AbgAJTMs (ORCPT ); Fri, 10 Jan 2020 14:12:48 -0500 Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.92.3) (envelope-from ) id 1ipzi7-00CT3f-W8; Fri, 10 Jan 2020 20:12:44 +0100 Message-ID: Subject: Re: BUG: unable to handle kernel NULL pointer dereference in cfg80211_wext_siwrts From: Johannes Berg To: syzbot , davem@davemloft.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, Cody Schuffelen Date: Fri, 10 Jan 2020 20:12:42 +0100 In-Reply-To: <00000000000073b469059bcde315@google.com> (sfid-20200110_201111_717668_AFB00A9F) References: <00000000000073b469059bcde315@google.com> (sfid-20200110_201111_717668_AFB00A9F) Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.2 (3.34.2-1.fc31) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-01-10 at 11:11 -0800, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 2f806c2a Merge branch 'net-ungraft-prio' > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=1032069ee00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5c90cac8f1f8c619 > dashboard link: https://syzkaller.appspot.com/bug?extid=34b582cf32c1db008f8e > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. It's quite likely also in virt_wifi, evidently that has some issues. Cody, did you take a look at the previous report by any chance? johannes