fix bug in SanitizerCoveragePCGUARD #1774
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ah I see, good catch! |
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instrument/SanitizerCoveragePCGUARD has a bug in
local_selectcounter in functionInjectCoverage.bug:
ConstantInt::get(IntptrTy, (cnt_cov + ++local_selects + AllBlocks.size()) * 4)), Int32PtrTy);fixed:
ConstantInt::get(IntptrTy, (cnt_cov + local_selects++ + AllBlocks.size()) * 4)), Int32PtrTy);IR of toy prog with the bug:
IR of toy prog with the bug fixed:
In the first IR, the pointer of the second select starts from 8 while it is the index is at 1.