[Samba] libnss_wins crashing Firefox/Iceweasel?

[Michael Schurter]

I'm using Debian Sid, and it seems like Iceweasel (aka Firefox) has been
crashing a lot lately with "Bus Error" printed to stdout when it dies.

I use mono/.net and python, so my C/C++ debugging skills are very
lacking.  I was able to capture the following using gdb on Iceweasel:

Program received signal SIGBUS, Bus error.
[Switching to Thread -1288709200 (LWP 28528)]
0xb1a98309 in toupper_w () from /lib/libnss_wins.so.2

Ironically I've had libnss_mdns cause a crash like this in Samba before,
so maybe this is just Samba getting payback.  ;)

Any ideas?
Is this a Samba or Iceweasel bug?
Should I submit it to Debian?
Has anyone else seen this?

Thanks!

Michael Schurter