Merge branch 'maint-0.4.5' into release-0.4.5

This commit is contained in:
David Goulet
2022-04-14 09:34:49 -04:00
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o Minor bugfixes (performance, DoS):
- Fix one case of a not-especially viable denial-of-service attack found
by OSS-Fuzz in our consensus-diff parsing code. This attack causes a
lot small of memory allocations and then immediately frees them: this
is only slow when running with all the sanitizers enabled. Fixes one
case of bug 40472; bugfix on 0.3.1.1-alpha.