crashing firefox with bugs

Thursday, 28 April 2005

Fuzz Testing

I wrote a simple tool to generate “random” webpages the other day, and then subjected Mozilla Firefox to a couple of stress tests.

Thirty minutes later I made it crash, and after trimming it down to a simple test case and getting a few friend to test it on other platforms I reported it to security@mozilla.org.

Sadly it turned out to be a duplicate of a previously reported bug, but it was a fun experience.

Tonight I reported another one. This time it appears to be reproducable (causes instant crash) and previously unreported. (Fixed on the trunk, but current versions of Mozilla, Thunderbird, and Firefox crash instantly :) )

I’ll keep it going till I get bored ..

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