[Unionfs] repeatable kernel BUG in unionfs 2.1.3

[Erez Zadok]

In message <46E70D14.5010303 at cs.columbia.edu>, Shaya Potter writes:
> Just compiled unionfs into 2.6.22.6 and have a repeatable BUG() in a 
> stress test of mine that unionfs seems to tickle.
> 
> My unionfs is slightly modified to allow up to 512 branches (simple 
> header define change).  In this case, I was up to 85 branches when this 
> occured.
> 
> here's the backtrace

But the trace shows that the failure happens deep inside ext3, not unionfs.
So I'm not sure this is a unionfs bug.  It still could be, if unionfs is
doing something that indirectly causes ext3 to oops.

Erez.