==1463== Use of uninitialised value of size 8
==1463==    at 0x71AAEBB: _itoa_word (in /usr/lib64/libc-2.26.so)
==1463==    by 0x71AE60F: vfprintf (in /usr/lib64/libc-2.26.so)
==1463==    by 0x71D710F: vsnprintf (in /usr/lib64/libc-2.26.so)
==1463==    by 0x71B66AE: snprintf (in /usr/lib64/libc-2.26.so)
==1463==    by 0x623A3B: isc_sockaddr_format (/home/muks/src/bind9/lib/isc/sockaddr.c:188)
==1463==    by 0x638402: socket_log.constprop.25 (/home/muks/src/bind9/lib/isc/unix/socket.c:840)
==1463==    by 0x63E42A: doio_recv (/home/muks/src/bind9/lib/isc/unix/socket.c:1997)
==1463==    by 0x63EB1B: internal_recv (/home/muks/src/bind9/lib/isc/unix/socket.c:3834)
==1463==    by 0x626E28: dispatch (/home/muks/src/bind9/lib/isc/task.c:1141)
==1463==    by 0x626E28: run (/home/muks/src/bind9/lib/isc/task.c:1313)
==1463==    by 0x645C50A: start_thread (in /usr/lib64/libpthread-2.26.so)
==1463==    by 0x725616E: clone (in /usr/lib64/libc-2.26.so)
==1463==  Uninitialised value was created by a heap allocation
==1463==    at 0x4C2CB6B: malloc (/builddir/build/BUILD/valgrind-3.13.0/coregrind/m_replacemalloc/vg_replace_malloc.c:299)
==1463==    by 0x617346: mem_get (/home/muks/src/bind9/lib/isc/mem.c:768)
==1463==    by 0x617346: mem_allocateunlocked (/home/muks/src/bind9/lib/isc/mem.c:1489)
==1463==    by 0x617346: isc___mem_allocate (/home/muks/src/bind9/lib/isc/mem.c:1510)
==1463==    by 0x635DD0: allocate_socket (/home/muks/src/bind9/lib/isc/unix/socket.c:2301)
==1463==    by 0x63BF22: socket_create (/home/muks/src/bind9/lib/isc/unix/socket.c:2993)
==1463==    by 0x45D060: ns_interfacemgr_create (/home/muks/src/bind9/lib/ns/interfacemgr.c:243)
==1463==    by 0x4398A9: run_server (/home/muks/src/bind9/bin/named/./server.c:9191)
==1463==    by 0x626E28: dispatch (/home/muks/src/bind9/lib/isc/task.c:1141)
==1463==    by 0x626E28: run (/home/muks/src/bind9/lib/isc/task.c:1313)
==1463==    by 0x645C50A: start_thread (in /usr/lib64/libpthread-2.26.so)
==1463==    by 0x725616E: clone (in /usr/lib64/libc-2.26.so)
==1463==