It crashes because the file gets deleted. So Firefox should not save this file in /tmp.
Just try out yourself and you will see what i mean. This can be easily reproduced by following to the steps above. -- Crash when closing firefox after "open with" and having still opened the file https://launchpad.net/bugs/73244 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs