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_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 ACCA5C3A5A4 for ; Sun, 1 Sep 2019 22:48:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C8B220818 for ; Sun, 1 Sep 2019 22:48:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729179AbfIAWsH (ORCPT ); Sun, 1 Sep 2019 18:48:07 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:37715 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729160AbfIAWsH (ORCPT ); Sun, 1 Sep 2019 18:48:07 -0400 Received: by mail-io1-f69.google.com with SMTP id f24so8131596ion.4 for ; Sun, 01 Sep 2019 15:48:06 -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=oZ7PvWIwxMv1/cng7QdJTXniFprQdIabY+CLNCeHUIU=; b=i+mxbY7zniumBSj989WMZ+Q0R/Vvun9XIDyLLy4pxDz6+wvYPqUk6Ux0tt1uzvHdOH tUkyP3BFukQKBScB6RR6MsR3XBIqJWEozWMY+K9HGhqe49tAGH5H9Sl32RFZ4Rq+WQYk +6szxs23V5fy1yZzl8tu3E72FM/kr0ijBoGxpF2x0W9bNxV1A/+jQz8Acd2JnRz9DOUO c5/pVnriivXeOD7QrUxafaRD6dhanz7TE3xJe8Ne7YkXhDiglzNFTFOaHMFNDbjL51Km 5HjxEYYUNASx0R89lvmjrJ2UaSYmFPWwDgm0j5npWo9B7rbGZHUxHaJF70mBepTM3mtP hTUA== X-Gm-Message-State: APjAAAUxAeCUJUs7hgUQElZMXgKvDCxLXtwkVLPczjYTvuJ3YI4ZJEOu mFkZuXEQ07ICVEICSbjYE8lBTehOz8NiiTto1QKLtV+0vZkI X-Google-Smtp-Source: APXvYqxkOy9L/u3bMqXmgBaNVgEPTyYoJ1rsnAf2MDiw2d4CjHtOj2tKqoco+5DF2ypE6mSFR8x5mj40pTs1NqPNpKaYBkhbyw9g MIME-Version: 1.0 X-Received: by 2002:a6b:d006:: with SMTP id x6mr30154654ioa.218.1567378086214; Sun, 01 Sep 2019 15:48:06 -0700 (PDT) Date: Sun, 01 Sep 2019 15:48:06 -0700 In-Reply-To: <0000000000009b3b80058af452ae@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000ec274059185a63e@google.com> Subject: Re: kernel panic: stack is corrupted in __lock_acquire (4) From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Kernel Offset: disabled Rebooting in 86400 seconds..