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Don't instrument the rdtsc ifunc when building with ASAN/UBSAN
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Authored by arichardson on Jul 5 2021, 10:52 AM.

Details

Summary

The ifunc resolver is called before the sanitizer runtime is initialized,
so any instrumentation results in an immediate crash.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

arichardson retitled this revision from Don't instrument the rdtsc ifunction when building with ASAN/UBSAN to Don't instrument the rdtsc ifunc when building with ASAN/UBSAN.Jul 5 2021, 1:01 PM
arichardson edited the summary of this revision. (Show Details)
arichardson added a reviewer: kib.
This revision is now accepted and ready to land.Jul 5 2021, 1:07 PM