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[libFuzzer] Disable MSan interceptors in SIGINT handler.
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Authored by morehouse on Apr 25 2019, 4:43 PM.

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Summary

Avoids an MSan false positive if the SIGINT comes while the user
callback is running. The false positive happens when the interrupt
handler calls opendir() to remove some temporary files, which is
intercepted by MSan.

Fixes https://github.com/google/oss-fuzz/issues/2332.

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Event Timeline

morehouse created this revision.Apr 25 2019, 4:43 PM
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kcc accepted this revision.Apr 25 2019, 5:00 PM
This revision is now accepted and ready to land.Apr 25 2019, 5:00 PM
This revision was automatically updated to reflect the committed changes.
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