id summary reporter owner description type status milestone component version severity resolution keywords cc 4739 A thread safe bug about epoll_reactor anonymous chris_kohlhoff "There is a bug epoll_reacor the version Release 1.45.0 In the file epoll_reactor.hpp, function epoll_reacor::run, line 369. void* ptr = events[i].data.ptr; ... descriptor_state* descriptor_data = static_cast(ptr); mutex::scoped_lock descriptor_lock(descriptor_data->mutex_); And the file epoll_reactor.hpp, function epoll_reacor::close_descriptor, line 256. registered_descriptors_.erase(descriptor); The ptr ( void* ptr = events[i].data.ptr) may been free in the epoll_reacor::close_descriptor." Bugs closed To Be Determined asio Boost 1.45.0 Problem invalid asio epoll_reactor