#0  0x0000003cb5a08ac0 in pthread_mutex_lock () from /lib64/libpthread.so.0
#1  0x00002aaab8cc6418 in expire_register (data=<value optimized out>) at /usr/src/redhat/BUILD/asterisk16-1.6.0.25/include/asterisk/lock.h:776
#2  0x00000000004d4300 in ast_sched_runq ()
#3  0x00002aaab8ce38ad in do_monitor (data=<value optimized out>) at chan_sip.c:20248
#4  0x00000000004e30dc in dummy_start ()
#5  0x0000003cb5a06617 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003cb52d3c2d in clone () from /lib64/libc.so.6