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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C2DC4C433F5 for ; Sun, 9 Sep 2018 13:16:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7195220857 for ; Sun, 9 Sep 2018 13:16:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7195220857 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727076AbeIISFn (ORCPT ); Sun, 9 Sep 2018 14:05:43 -0400 Received: from mail-it0-f71.google.com ([209.85.214.71]:51117 "EHLO mail-it0-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726790AbeIISFm (ORCPT ); Sun, 9 Sep 2018 14:05:42 -0400 Received: by mail-it0-f71.google.com with SMTP id n194-v6so36170901itn.0 for ; Sun, 09 Sep 2018 06:16:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=Z3+E3mz2Rhx9mnCGgt5DmLAs6FsFBge5C/6ZXTt80hk=; b=BtXttqDnpfkOcfBtrv08YcstEz5r6PKWRNf4+fNnggo4r24aJ6vmOt/yqZHWUz1cNI NwBHQYcVuOHWslIVHiwLPqd3+UREDANJ9FybYzwsaTMtAMaOPpcDwPz8FmQ6kxcZ3+3A 7TGQNLVPOdl4w8rNr/H0Gp5sThCkD3EBjjJ8qoLHg7qLOhhkTcKtWN/JJTKdcWDr9e2T AbZssjVwMzeHuxkLbBoRb2M/k+mdOcO8T6xCcFhyJEDhKiE2f3pfMU6H5FVNi+0ikEh/ K8NkVz4VaqGo0aJEfGRuImeBProdWHX38W8tgFabhZBXG9mFd2koI99jFNdSl9pfZ57T Y/UQ== X-Gm-Message-State: APzg51AO1qVm7nlyUPs/Qz2eL4kolYK9AdLI+U87r5prlkLqtAJTgj9N /Im/z2eceTsvrifWRJMhsvpIDxiVavJU0mcJiYOFoWMS+uhq X-Google-Smtp-Source: ANB0VdZNog32aic5lqVGEylbATvU6OZYm5ribEcfQ7/AqImJn9Yuatlwa9fwGSoghxZhOz/1T4bTttPC/0gRZedArG3e+rkQ1ay2 MIME-Version: 1.0 X-Received: by 2002:a6b:4511:: with SMTP id s17-v6mr13602516ioa.29.1536498962708; Sun, 09 Sep 2018 06:16:02 -0700 (PDT) Date: Sun, 09 Sep 2018 06:16:02 -0700 In-Reply-To: <0000000000000956640571197f98@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000debf740575700af9@google.com> Subject: Re: WARNING: kernel stack frame pointer has bad value (2) From: syzbot To: ak@linux.intel.com, dvyukov@google.com, ebiggers@google.com, hpa@zytor.com, jgross@suse.com, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@kernel.org, megha.dey@linux.intel.com, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: 28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=14800f0a400000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6 dashboard link: https://syzkaller.appspot.com/bug?extid=903cdd6bce9a6eb832a4 compiler: gcc (GCC) 8.0.1 20180413 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a79cbe400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172a3d01400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+903cdd6bce9a6eb832a4@syzkaller.appspotmail.com 00000000d154fefb: 000000000044a069 (0x44a069) 000000006f318b9e: 0000000000000033 (0x33) 000000007d449f84: 0000000000000246 (0x246) 00000000e7603b48: 00007f129ff8fce8 (0x7f129ff8fce8) 00000000187b73f3: 000000000000002b (0x2b) WARNING: kernel stack frame pointer at 00000000c37350d4 in syz-executor951:10824 has bad value 00000000530130ef