netdev - Fw: [Bug 106171] New: Regression causes "ip" command to crash, leaving the user without any networking

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Message-ID: <20151018212838.552beb1d@xeon-e3>
Date:	Sun, 18 Oct 2015 21:28:38 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Nimrod Andy <B38611@...escale.com>,
	"Lothar Waßmann" <LW@...O-electronics.de>,
	Lucas Stach <l.stach@...gutronix.de>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Andrew Lunn <andrew@...n.ch>,
	Philippe Reynes <tremyfr@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Fw: [Bug 106171] New: Regression causes "ip" command to crash,
 leaving the user without any networking

Freescale driver bug.


Begin forwarded message:

Date: Mon, 19 Oct 2015 02:14:45 +0000
From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
To: "shemminger@...ux-foundation.org" <shemminger@...ux-foundation.org>
Subject: [Bug 106171] New: Regression causes "ip" command to crash, leaving the user without any networking


https://bugzilla.kernel.org/show_bug.cgi?id=106171

            Bug ID: 106171
           Summary: Regression causes "ip" command to crash, leaving the
                    user without any networking
           Product: Networking
           Version: 2.5
    Kernel Version: 4.2.0
          Hardware: ARM
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: IPV4
          Assignee: shemminger@...ux-foundation.org
          Reporter: justincase@...mail.com
        Regression: No

Created attachment 190481
  --> https://bugzilla.kernel.org/attachment.cgi?id=190481&action=edit
Process ip (pid: 252, stack limit = 0xed7a4220)  Stack: (0xed7a5a58 to
0xed7a6000)

Between kernel version 4.1.7 and 4.2.0 something caused networking to be left
non-functioning. I can confirm the bug is still in mainline 4.2.3.

Attached is the stack trace showing up during boot of the device with 4.2.3
kernel. I have since regressed to 4.1.x and networking works fine again.

I had one other user confirm this bug via Freenode IRC.

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