(gdb) bt
#0  reuse_cmp_addrportssl (key1=0x7fde2e2737e8, key2=0x0) at services/outside_network.c:144
#1  0x000055e21f6ba7c1 in   (key1=0x7fde2e2737e8, key2=0x0) at services/outside_network.c:160
#2  0x000055e21f6759ce in rbtree_find_less_equal (rbtree=rbtree@entry=0x7fdd7a428198, key=key@entry=0x7fde2e2737e8, result=result@entry=0x7fde2e2737c8) at util/rbtree.c:527
#3  0x000055e21f6baf0c in reuse_tcp_find (outnet=outnet@entry=0x7fdd7a428090, addr=addr@entry=0x7fdd6718d6f0, addrlen=16, use_ssl=<optimized out>) at services/outside_network.c:480
#4  0x000055e21f6bbf5f in use_free_buffer (outnet=outnet@entry=0x7fdd7a428090) at services/outside_network.c:723
#5  0x000055e21f6bc4fb in outnet_tcp_cb (c=0x7fdd61fd0ce0, arg=0x7fdd61fd0bb0, error=<optimized out>, reply_info=0x7fdd61fd0d18) at services/outside_network.c:1095
#6  0x000055e21f6b4087 in tcp_callback_reader (c=0x7fdd61fd0ce0) at util/netevent.c:1144
#7  0x000055e21f6b5548 in comm_point_tcp_handle_read (fd=217, c=0x7fdd61fd0ce0, short_ok=0) at util/netevent.c:1668
#8  0x000055e21f6b584b in comm_point_tcp_handle_callback (fd=217, event=<optimized out>, arg=0x7fdd61fd0ce0) at util/netevent.c:2062
#9  0x00007fde30723a14 in event_base_loop () from /lib64/libevent-2.0.so.5
#10 0x000055e21f6b1fac in comm_base_dispatch (b=<optimized out>) at util/netevent.c:246
#11 0x000055e21f62e499 in worker_work (worker=worker@entry=0x55e2216803b0) at daemon/worker.c:1941
#12 0x000055e21f6222bf in thread_start (arg=0x55e2216803b0) at daemon/daemon.c:540
#13 0x00007fde3009bea5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007fde2fdc496d in clone () from /lib64/libc.so.6

(gdb) up
#1  0x000055e21f6ba7c1 in reuse_cmp (key1=0x7fde2e2737e8, key2=0x0) at services/outside_network.c:160
160		r = reuse_cmp_addrportssl(key1, key2);
(gdb) up
#2  0x000055e21f6759ce in rbtree_find_less_equal (rbtree=rbtree@entry=0x7fdd7a428198, key=key@entry=0x7fde2e2737e8, result=result@entry=0x7fde2e2737c8) at util/rbtree.c:527
527			r = rbtree->cmp(key, node->key);
(gdb) p *node
$2 = {parent = 0x7fdd61a09468, left = 0x55e21f922460 <rbtree_null_node>, right = 0x55e21f922460 <rbtree_null_node>, key = 0x0, color = 1 '\001'}