Hey @berendjanwever , by any chances do you have any NULL pointer defer crashes for Chrome? Testing some python code, thanks :)
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Let me know if you need an MSIE crasher... what I have atm doesn't fit a tweet and I don't want to spent time reducing it unless I need to. Btw. I meant use cBugId in Python; BugId is just a wrapper, cBugId is the engine.
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Hm interesting I'll give it a try! For chrome, I am using ASAN and it looks like I got it (almost) working, nothing fancy though! Yes if you could still send me a case (via email) would be also great - was about to use winappdbg for Edge/IE. Thanks so much!
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BugId has support for parsing ASan output, so you'll get similar error reports for Chrome, Chrome Asan, Edge, IE, Firefox, whatever...
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Sure, but it requires me to have the test case, it wouldn’t work while I’m fuzzing it, would it?
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Sure it would: I use it during fuzzing on my VMs myself! It debugs your application while you do whatever you want with it. When it detects a bug, it generates a report and calls a callback. BugId uses it to and dumps the report details to console and file.
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If you want to use it during fuzzing, you copy code from BugId.py: 1) create a cBugId instance, 2) set the "Bug report" callback, 3) call fStart() to start the application 4) fuzz until application crashes => your callback gets called with details 5) call fStop() when finished.
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That's brilliant, thanks so much, should have asked before messing with the subprocess hell. Will definitely use that, thanks cheers!
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Working on how to catch those crashes with python twisted/subprocess ain't that easy!