DF-5816 / run.log
pcblist_ptrleak.c: In function 'main':
pcblist_ptrleak.c:328:46: warning: '%s' directive output may be truncated writing up to 127 bytes into a region of size 104 [-Wformat-truncation=]
snprintf(ua.sun_path, sizeof(ua.sun_path), "%s", path);
^~ ~~~~
pcblist_ptrleak.c:328:2: note: 'snprintf' output between 1 and 128 bytes into a destination of size 104
snprintf(ua.sun_path, sizeof(ua.sun_path), "%s", path);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILD_OK
uid=1001(maxx) gid=1001(maxx) groups=1001(maxx)
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64
===== RUN 0 =====
uid=1001 euid=1001 mirror xunpcb size=912 unpcb=208 xsocket=168
stream pcblist: 4 records (3648 bytes)
global: 24 non-NULL exported pointers, 0 outside kernel range, so_pcb==xu_unpp held for all 4 records
socketpair(): 2 new stream records
new unpcb @ 0xfffff8011788b2b0 (unp_socket 0xfffff8011722fdc0)
new unpcb @ 0xfffff8011788b110 (unp_socket 0xfffff80117231940)
our socketpair kernel object graph (unprivileged):
record A: xu_unpp = 0xfffff8011788b2b0
unp_socket = 0xfffff8011722fdc0
unp_conn = 0xfffff8011788b110 == B.xu_unpp
xso_so = 0xfffff8011722fdc0 so_pcb = 0xfffff8011788b2b0
record B: xu_unpp = 0xfffff8011788b110
unp_socket = 0xfffff80117231940
unp_conn = 0xfffff8011788b2b0 == A.xu_unpp
bound dgram: 1 new dgram record(s)
dgram record:
xu_unpp 0xfffff8011788af70 KERNEL-RANGE
unp_socket 0xfffff8011722f840 KERNEL-RANGE
unp_addr (sockaddr*) 0xfffff8008d580c68 KERNEL-RANGE
unp_vnode (vnode*) 0xfffff8008f529300 KERNEL-RANGE
unp_rvnode (vnode*) 0xfffff8008f520f00 KERNEL-RANGE
xu_addr.sun_path "/tmp/pcbptrleak.1038��" (record is ours)
path prefix matches -- record identified as ours
==================================================
LEAK CONFIRMED: unprivileged uid=1001 obtained live kernel
pointers (unpcb, socket, sockaddr, vnode) plus the socket
connection graph from net.local.*.pcblist
===== RUN 1 =====
uid=1001 euid=1001 mirror xunpcb size=912 unpcb=208 xsocket=168
stream pcblist: 4 records (3648 bytes)
global: 24 non-NULL exported pointers, 0 outside kernel range, so_pcb==xu_unpp held for all 4 records
socketpair(): 2 new stream records
new unpcb @ 0xfffff8011788af70 (unp_socket 0xfffff8011722f840)
new unpcb @ 0xfffff8011788b110 (unp_socket 0xfffff80117231940)
our socketpair kernel object graph (unprivileged):
record A: xu_unpp = 0xfffff8011788af70
unp_socket = 0xfffff8011722f840
unp_conn = 0xfffff8011788b110 == B.xu_unpp
xso_so = 0xfffff8011722f840 so_pcb = 0xfffff8011788af70
record B: xu_unpp = 0xfffff8011788b110
unp_socket = 0xfffff80117231940
unp_conn = 0xfffff8011788af70 == A.xu_unpp
bound dgram: 1 new dgram record(s)
dgram record:
xu_unpp 0xfffff8011788b2b0 KERNEL-RANGE
unp_socket 0xfffff8011722fdc0 KERNEL-RANGE
unp_addr (sockaddr*) 0xfffff8008d580cf8 KERNEL-RANGE
unp_vnode (vnode*) 0xfffff8008f529300 KERNEL-RANGE
unp_rvnode (vnode*) 0xfffff8008f520f00 KERNEL-RANGE
xu_addr.sun_path "/tmp/pcbptrleak.1039��" (record is ours)
path prefix matches -- record identified as ours
==================================================
LEAK CONFIRMED: unprivileged uid=1001 obtained live kernel
pointers (unpcb, socket, sockaddr, vnode) plus the socket
connection graph from net.local.*.pcblist
===== RUN 2 =====
uid=1001 euid=1001 mirror xunpcb size=912 unpcb=208 xsocket=168
stream pcblist: 4 records (3648 bytes)
global: 24 non-NULL exported pointers, 0 outside kernel range, so_pcb==xu_unpp held for all 4 records
socketpair(): 2 new stream records
new unpcb @ 0xfffff8011788b2b0 (unp_socket 0xfffff8011722fdc0)
new unpcb @ 0xfffff8011788b110 (unp_socket 0xfffff80117231940)
our socketpair kernel object graph (unprivileged):
record A: xu_unpp = 0xfffff8011788b2b0
unp_socket = 0xfffff8011722fdc0
unp_conn = 0xfffff8011788b110 == B.xu_unpp
xso_so = 0xfffff8011722fdc0 so_pcb = 0xfffff8011788b2b0
record B: xu_unpp = 0xfffff8011788b110
unp_socket = 0xfffff80117231940
unp_conn = 0xfffff8011788b2b0 == A.xu_unpp
bound dgram: 1 new dgram record(s)
dgram record:
xu_unpp 0xfffff8011788af70 KERNEL-RANGE
unp_socket 0xfffff8011722f840 KERNEL-RANGE
unp_addr (sockaddr*) 0xfffff8008d580c68 KERNEL-RANGE
unp_vnode (vnode*) 0xfffff8008f529300 KERNEL-RANGE
unp_rvnode (vnode*) 0xfffff8008f520f00 KERNEL-RANGE
xu_addr.sun_path "/tmp/pcbptrleak.1040��" (record is ours)
path prefix matches -- record identified as ours
==================================================
LEAK CONFIRMED: unprivileged uid=1001 obtained live kernel
pointers (unpcb, socket, sockaddr, vnode) plus the socket
connection graph from net.local.*.pcblist