Comments (6)
In both of the cases above you're using 64-bit DynamoRIO build (-D ....\dyno\bin64) so I suspect that's the problem.
Also, please run WinAFL in the debug mode before attempting to run afl-fuzz. Either your binary is >1.6GB in size or your target offset is wrong (and I suspect it's the latter :-). Debug log can tell you things like that.
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Thanks a Lot, i have changed the instrumentation build & also the offset but now i see that there is an issue mentioning the given input is 6.8 MB and large than 1MB. also the binary size is not >1.6GB
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even when i run a case where input < 1 MB it opens directly from the application but it shows crash when i run through afl .
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Please run WinAFL in the debug mode first and examine the log file. See README for details.
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Thanks for the suggestion. I had run it with -debug & gone through logs now what i found is its showing that "crashedWARNING: Target function was never called. Incorrect target_offset?" , but to any offset it's showing the same in log and in command prompt i get this message , it would be helpful if you can suggest changes if any
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From the message you got in the log, it seems your target has crashed before the target function was reached (there should be a newline after 'crashed' but you seem to be using an older release).
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