WilliamParks

Results 7 comments of WilliamParks

I did some initial investigation a couple weeks ago, using perf to trace a long running session. The largest win was switching to `vfork` from `fork` in libreprl. I'm not...

This would also be useful for the tests in the Compiler, in detecting issues such as the variable issue here: https://github.com/googleprojectzero/fuzzilli/pull/169#pullrequestreview-539790985

That's not really debuggable without more information. Here's what I use to get good debug information: Compile with `swift build -Xswiftc -g -Xlinker --export-dynamic`, which produces a debug build with...

@saelo I'm not sure this is what happened to the original poster, but I did hit a similar while running testing the Markov corpus. From my understanding, Swift compiles integer...

@Zon8Research, on the second issue, are you running Fuzzilli with deterministic mode enabled? My experience has been that a moderate number of edges found are not deterministic, and will be...

Thought: What optimizations trigger based off of the "ideal" for loop, something of the form "for(let i = 0; i < 10000; i++)"? I don't have a good handle on...

I have encountered the same issue intermittently with Spidermonkey as well. My initial guess is that it's due to short reads, but I haven't investigated further.