netdev - Re: [ 2375.793397] WARNING: CPU: 0 PID: 1149 at net/netlink/genetlink.c:1037 genl

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Message-ID: <1421275700.1950.34.camel@sipsolutions.net>
Date:	Wed, 14 Jan 2015 23:48:20 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Jeff Layton <jeff.layton@...marydata.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [ 2375.793397] WARNING: CPU: 0 PID: 1149 at
 net/netlink/genetlink.c:1037 genl_unbind+0xc0/0xd0()

On Wed, 2015-01-14 at 16:13 -0500, Jeff Layton wrote:
> While running the trinity fuzzer in a KVM guest, I ^C'ed it at an
> (apparent) inopportune moment, and saw a bunch of these WARN_ONs pop:

A bunch?!

> [ 2375.793396] ------------[ cut here ]------------
> [ 2375.793397] WARNING: CPU: 0 PID: 1149 at net/netlink/genetlink.c:1037 genl_unbind+0xc0/0xd0()

This warning is supposed to happen only when you somehow manage to
unsubscribe from a generic netlink group that doesn't actually exist, or
so.

Do you have any sort of log/trace of what trinity actually did at/before
this point?

johannes

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