Hash :
9a38bc5f
Author :
Date :
2021-11-01T10:01:06
evutil: Fix evutil_freeaddrinfo
During testing on win32, util/getaddrinfo failed with NULL hint info
r = evutil_getaddrinfo("www.google.com", NULL, NULL, &ai);
throwing a critical heap exception when evutil_freeaddrinfo is called.
This is because of improper use of freeaddrinfo when nodes within the
ai structure are allocated using mm_malloc or mm_calloc
(EVUTIL_AI_LIBEVENT_ALLOCATED)
This adds the flag in apply_socktype_protocol_hack and walks the linked
list in evutil_freeaddrinfo removing linked list nodes that are custom
allocated before calling freeaddrinfo.