SIGSEGV mk_sched_check_timeouts (version 1.5.6)

[AndyCapp69]

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 1325]
0x0001cc3c in mk_sched_check_timeouts (sched=sched@entry=0x3be68)
at /usr/src/debug/monkey/1.5.6-r0/monkey-1.5.6/src/mk_scheduler.c:644
644 mk_list_foreach_safe(head, temp, cs_incomplete) {
(gdb) p *sched
$11 = {accepted_connections = 1, closed_connections = 1, server_fd = 16, rb_queue = {rb_node = 0x0}, busy_queue = {
prev = 0x3be80, next = 0x3be80}, av_queue = {prev = 0x74b02328, next = 0x74b02354}, incoming_queue = {prev = 0x3be90,
next = 0x3be90}, idx = 2, initialized = 1 '\001', epoll_fd = 13, tid = 1956639808, pid = 1325, request_handler = 0x0,
signal_channel = 18}
(gdb) bt
#0 0x0001cc3c in mk_sched_check_timeouts (sched=sched@entry=0x3be68)
at /usr/src/debug/monkey/1.5.6-r0/monkey-1.5.6/src/mk_scheduler.c:644
#1 0x0001ba7c in mk_epoll_init (server_fd=16, efd=9860, max_events=1957711352, max_events@entry=0)
at /usr/src/debug/monkey/1.5.6-r0/monkey-1.5.6/src/mk_epoll.c:321
#2 0x0001c394 in mk_sched_launch_worker_loop (thread_conf=0x36e58)
at /usr/src/debug/monkey/1.5.6-r0/monkey-1.5.6/src/mk_scheduler.c:451
#3 0x76f95f00 in ?? () from /lib/libpthread.so.0