… and another follow-up. I've eliminated GCD dispatch sources as a culprit I think, by writing an alternative version of the test which uses curl_multi_wait/curl_multi_perform, instead of curl_multi_socket_action plus callbacks.
This one also exhibits the same crash:
multi-gcd-crashtest-wait.c
Description: Binary data
sam deane / @samdeane | elegantchaos.com / @elegantchaoscom | mac and ios software development
------------------------------------------------------------------- List admin: http://cool.haxx.se/list/listinfo/curl-library Etiquette: http://curl.haxx.se/mail/etiquette.html