Firefox crashes on a bad .gif?

Bruce Dawson jbd at codemeta.com
Thu Mar 16 00:19:00 EST 2006


Has anyone been to http://www.wunderground.com/US/NH/Loudon.html?

It seems that a .gif file somewhere on that page is crashing firefox,
mozilla, galeon, ...

Anyone have any ideas on how to track down which .gif is causing the crash?

And then how to report it to Firefox?

This seems to be a security hole looking for crackers. I'm getting the
following error:

The program 'Gecko' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadAlloc (insufficient resources for operation)'.
  (Details: serial 35186 error_code 11 request_code 53 minor_code 0)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the --sync command line
   option to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

Which smells a like a memory leak. But a "random" .gif file should not
cause these.

I would guess its either in the Gif library, or Gecko's rendering
engine. I'm inclined to believe the former, because that page breaks a
lot of browsers. (3 FOSS browsers and counting...)

--Bruce



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