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[GWP-ASan] Fix uninitialized memory use in sigaction.

Authored by hctim on Jul 27 2020, 5:46 AM.

Description

[GWP-ASan] Fix uninitialized memory use in sigaction.

Fix up a small bug where we used a partially-uninitialized sigaction
struct in the optional signal handler. Shouldn't be a user-visible
change.

Details

Committed
hctimJul 27 2020, 5:53 AM
Parents
rG0f1494be43f0: AArch64: avoid UB shift of negative value
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