lockedpool: avoid sensitive data in core dumps #2700
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…nformation in core dumps
This is a followup to 23991ee / bitcoin#15600 to also use madvise(2) on FreeBSD to avoid sensitive data allocated with secure_allocator ending up in core files in addition to preventing it from going to the swap.
Fuzzbawls
approved these changes
Dec 30, 2021
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Backports of bitcoin#15600 and bitcoin#18443 patching CVE-2019-15947.