JPEG/JFIF that will cause mozilla hang, kernel lock and sometimes reboot (FC2)

[Nifty Hat Mitch]

On Sat, Jul 24, 2004 at 04:05:45PM +0100, Nuno Tavares wrote:

> This i very odd, I haven't seen this for years. I have a JPEG/JFIF that
> when opened with Mozilla will lock the whole system, and sometimes will
> reboot the system after a little while.
> 
> My short investigation led me to conclude that this is a bug both in
> kernel (as it reboots) and in Gecko-based browsers - gecko is the
> HTML rendering engine used in Mozilla, Firefox, Epiphany and probably
> others. This last assumption is due that Konqueror will not crash.
> 
> Unfortunely, the JPEG file has some sensitive information, and this hasn't
> happened with anyother. No error messages, nothing. I'm looking for ways
> to debug this, both firefox and the kernel. How do I do that?

Just guessing...
Research compression bombs in this mailing list and in Google.

Make sure that you have limits (ulimit -a) that are within
the bounds of physical DRAM then launch the browser.

If you are not root, and the kernel causes a reboot then you have a
bug.  Perhaps it is a bug in the hardware gfx side of the windowing
system.   

Are you fully up2date?


-- 
	T o m  M i t c h e l l 
	/dev/dull where insight begins.