uvm_fault(0xffffffff82d79e00, 0xffff800000e87008, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at unveil_add_vnode+0xb6: movq %rax,0x8(%r14,%r13,1)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*473234 37854 32767 0x8102010 0x4080000 1K syz-executor.2
412909 28158 0 0x1a000002 0 0 syz-fuzzer
unveil_add_vnode(ffff80002a202cf0,fffffd805d61b2c0) at unveil_add_vnode+0xb6 sys/kern/kern_unveil.c:391
unveil_add(ffff80002a202cf0,ffff8000359b7b88,ffff8000359b7c43) at unveil_add+0x30b sys/kern/kern_unveil.c:494
sys_unveil(ffff80002a202cf0,ffff8000359b7d70,ffff8000359b7cc0) at sys_unveil+0x41b sys/kern/vfs_syscalls.c:1024
syscall(ffff8000359b7d70) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff8000359b7d70) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce5971d0f60, count: 10
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xffffffff82d79e00, 0xffff800000e87008, 0, 2) -> e
ddb{1}> trace
unveil_add_vnode(ffff80002a202cf0,fffffd805d61b2c0) at unveil_add_vnode+0xb6 sys/kern/kern_unveil.c:391
unveil_add(ffff80002a202cf0,ffff8000359b7b88,ffff8000359b7c43) at unveil_add+0x30b sys/kern/kern_unveil.c:494
sys_unveil(ffff80002a202cf0,ffff8000359b7d70,ffff8000359b7cc0) at sys_unveil+0x41b sys/kern/vfs_syscalls.c:1024
syscall(ffff8000359b7d70) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff8000359b7d70) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce5971d0f60, count: -5
ddb{1}> show registers
rdi 0xffff80002db0a000
rsi 0x1611 __ALIGN_SIZE+0x611
rbp 0xffff8000359b7ab0
rbx 0xffff800034f85f68
rdx 0xffff80002db0a000
rcx 0x1610 __ALIGN_SIZE+0x610
rax 0xffffffffffffffff
r8 0x40
r9 0xfffffd807f7d3340
r10 0x686b752e065f8f8b
r11 0x2d9c2062b1d4a205
r12 0xfffffd805d61b2c0
r13 0
r14 0xffff800000e87000
r15 0
rip 0xffffffff820c92f6 unveil_add_vnode+0xb6
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000359b7a40
ss 0x10
unveil_add_vnode+0xb6: movq %rax,0x8(%r14,%r13,1)
ddb{1}> show proc
PROC (syz-executor.2) tid=473234 pid=37854 tcnt=3 stat=onproc
flags process=8102010<SUGID,SINGLEUNWIND,PLEDGE> proc=4080000<SUSPSINGLE,THREAD>
runpri=32, usrpri=80, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a202a60 scnt=1 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a202020,0xffff80002a203220
process=0xffff800034f85f68 user=0xffff8000359b2000, vmspace=0xfffffd806abeb380
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
37854 68467 84645 32767 4 0x8182010 syz-executor.2
*37854 473234 84645 32767 7 0xc182010 syz-executor.2
37854 233868 84645 32767 3 0xc102010 suspend syz-executor.2
95010 100403 59864 32767 3 0x8000090 nanoslp syz-executor.0
95010 57510 59864 32767 3 0xc000090 lockf syz-executor.0
95010 59038 59864 32767 3 0xc000090 fsleep syz-executor.0
40267 350076 64487 32767 3 0x8000090 nanoslp syz-executor.6
40267 282808 64487 32767 3 0xc000090 ttyin syz-executor.6
40267 53799 64487 32767 3 0xc000090 fsleep syz-executor.6
97304 249529 70258 32767 3 0x8000090 nanoslp syz-executor.3
97304 381196 70258 32767 3 0xc000090 netacc syz-executor.3
97304 102631 70258 32767 3 0xc000090 fsleep syz-executor.3
55211 313765 42551 32767 3 0x8000090 nanoslp syz-executor.5
55211 376874 42551 32767 3 0xc000090 sbwait syz-executor.5
55211 46046 42551 32767 3 0xc000090 fsleep syz-executor.5
55211 465498 42551 32767 3 0xc000090 fsleep syz-executor.5
55211 298426 42551 32767 3 0xc000090 fsleep syz-executor.5
57114 299934 58731 32767 3 0x8000090 nanoslp syz-executor.1
57114 333396 58731 32767 3 0xc000090 kqsel syz-executor.1
57114 61141 58731 32767 3 0xc000090 fsleep syz-executor.1
70258 111743 84065 32767 3 0x8000090 nanoslp syz-executor.3
84065 153506 28158 0 3 0x8000082 wait syz-executor.3
84645 250655 38499 32767 3 0x8000090 nanoslp syz-executor.2
38499 485025 28158 0 3 0x8000082 wait syz-executor.2
30565 176603 24488 32767 2 0x8000010 syz-executor.7
24488 3315 28158 0 3 0x8000082 wait syz-executor.7
42551 414972 78534 32767 3 0x8000090 nanoslp syz-executor.5
78534 29226 28158 0 3 0x8000082 wait syz-executor.5
59864 106298 77856 32767 3 0x8000090 nanoslp syz-executor.0
77856 172950 28158 0 3 0x8000082 wait syz-executor.0
58731 290164 68148 32767 3 0x8000090 nanoslp syz-executor.1
68148 491595 28158 0 3 0x8000082 wait syz-executor.1
64487 64177 1 32767 3 0x8000090 nanoslp syz-executor.6
26264 298337 0 0 3 0x14200 bored sosplice
28158 412909 38882 0 7 0x1a000002 syz-fuzzer
28158 283613 38882 0 3 0x1e000082 nanoslp syz-fuzzer
28158 3758 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 209679 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 482213 38882 0 3 0x1e000082 kqread syz-fuzzer
28158 445979 38882 0 3 0x1e000082 wait syz-fuzzer
28158 369216 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 487670 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 133201 38882 0 3 0x1e000082 wait syz-fuzzer
28158 254206 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 477496 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 391396 38882 0 3 0x1e000082 thrsleep syz-fuzzer
28158 465630 38882 0 3 0x1e000082 wait syz-fuzzer
28158 37190 38882 0 3 0x1e000082 wait syz-fuzzer
28158 280994 38882 0 3 0x1e000082 wait syz-fuzzer
28158 102020 38882 0 3 0x1e000082 wait syz-fuzzer
38882 35352 53161 0 3 0x810008a sigsusp ksh
53161 13928 53603 0 3 0x1800009a kqread sshd
7974 86628 1 0 3 0x18100083 ttyin getty
53603 445295 1 0 3 0x18000088 kqread sshd
32195 67819 19021 73 3 0x19100090 kqread syslogd
19021 372527 1 0 3 0x18100082 sbwait syslogd
57870 475361 1 0 3 0x18100080 kqread resolvd
49858 311241 36482 77 3 0x18100092 kqread dhcpleased
10831 326252 36482 77 3 0x18100092 kqread dhcpleased
36482 62107 1 0 3 0x18000080 kqread dhcpleased
71191 350319 0 0 3 0x14200 bored smr
57336 50990 0 0 3 0x14200 pgzero zerothread
12509 127008 0 0 3 0x14200 aiodoned aiodoned
13432 308817 0 0 3 0x14200 syncer update
99934 451029 0 0 3 0x14200 cleaner cleaner
51819 459198 0 0 3 0x14200 reaper reaper
58320 218721 0 0 3 0x14200 pgdaemon pagedaemon
85995 139787 0 0 3 0x14200 bored viomb
62097 177604 0 0 3 0x40014200 acpi0 acpi0
2183 132473 0 0 3 0x40014200 idle1
45610 519506 0 0 3 0x14200 bored softnet3
39135 29275 0 0 3 0x14200 bored softnet2
33145 436980 0 0 3 0x14200 bored softnet1
74999 503153 0 0 3 0x14200 bored softnet0
9930 107653 0 0 3 0x14200 bored systqmp
16730 130234 0 0 3 0x14200 bored systq
12015 208113 0 0 3 0x14200 tmoslp softclockmp
3683 297838 0 0 3 0x40014200 tmoslp softclock
69854 477449 0 0 3 0x40014200 idle0
1 111187 0 0 3 0x8000082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 37854 (syz-executor.2) thread 0xffff80002a202cf0 (473234)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e2f918)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1157
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x491 sys/kern/sched_bsd.c:470
#3 sleep_finish+0x19a sys/kern/kern_synch.c:417
#4 rw_enter+0x29d sys/kern/kern_rwlock.c:285
#5 rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#6 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524
#7 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#8 vget+0x1fd sys/kern/vfs_subr.c:676
#9 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#10 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#11 ufs_lookup+0x10b9 sys/ufs/ufs/ufs_lookup.c:555
#12 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#13 unveil_find_cover+0x132 sys/kern/kern_unveil.c:277
#14 unveil_add_vnode+0xb6 sys/kern/kern_unveil.c:391
#15 unveil_add+0x30b sys/kern/kern_unveil.c:494
#16 sys_unveil+0x41b sys/kern/vfs_syscalls.c:1024
#17 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#17 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#18 Xsyscall+0x128
Process 30565 (syz-executor.7) thread 0xffff80002a2027d0 (176603)
exclusive rrwlock inode r = 0 (0xfffffd806e416c50)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1157
#1 rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vget+0x1fd sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
#11 namei+0x56a sys/kern/vfs_lookup.c:250
#12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1856
#13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e412818)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1157
#1 rw_enter+0x32d sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vget+0x1fd sys/kern/vfs_subr.c:676
#6 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566
#10 namei+0x56a sys/kern/vfs_lookup.c:250
#11 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1856
#12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10181 6406K 6419K 166960K 11343 0
pcb 17 12K 12K 166960K 17 0
rtable 218 6K 7K 166960K 1370 0
pf 27 8K 8K 166960K 83 0
ifaddr 40 15K 16K 166960K 158 0
ifgroup 46 2K 2K 166960K 158 0
sysctl 4 1K 1K 166960K 4 0
counters 62 36K 36K 166960K 118 0
ioctlops 0 0K 2K 166960K 93 0
iov 1 0K 20K 166960K 207 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1376 87K 87K 166960K 2030 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 67 0
VM map 2 1K 1K 166960K 2 0
sem 11 1K 1K 166960K 14 0
dirhash 12 2K 3K 166960K 171 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 21 77K 125K 166960K 2915 0
sigio 0 0K 0K 166960K 55 0
proc 56 78K 115K 166960K 1477 0
subproc 91 5K 7K 166960K 559 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 673 0
in_multi 88 6K 7K 166960K 511 0
ether_multi 1 0K 0K 166960K 12 0
mrt 2 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 103 466K 466K 166960K 103 0
exec 0 0K 1K 166960K 1013 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 316 69K 123K 166960K 26486 0
UVM aobj 126 4K 5K 166960K 138 0
pinsyscall 41 82K 110K 166960K 4740 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 0K 166960K 215 0
NDP 10 0K 2K 166960K 108 0
temp 72 6807K 6887K 166960K 13336 0
kqueue 13 20K 29K 166960K 469 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 454 0 447 1 0 1 1 0 8 0
rtentry 112 455 0 353 4 0 4 4 0 8 0
unpcb 144 2502 0 2484 13 12 1 2 0 8 0
syncache 336 33 0 33 15 14 1 1 0 8 1
sackhl 24 2 0 2 2 2 0 1 0 8 0
tcpqe 32 100 0 100 4 4 0 1 0 8 0
tcpcb 808 1397 0 1388 28 26 2 2 0 8 1
arp 120 75 0 58 1 0 1 1 0 8 0
ipq 40 20 0 19 3 2 1 1 0 8 0
ipqe 40 198 0 197 3 2 1 1 0 8 0
inpcb 384 3189 0 3171 27 24 3 4 0 8 1
ip6q 72 1 0 1 1 1 0 1 0 8 0
ip6af 40 2 0 2 1 1 0 1 0 8 0
nd6 136 149 0 126 8 6 2 2 0 8 0
kcovpl 48 43 0 36 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1877 0 1445 44 14 30 32 0 8 0
art_table 32 1878 0 1445 5 0 5 5 0 8 0
art_node 16 454 0 361 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 8 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 10 0 1 1 0 1 1 0 8 0
shmpl 112 135 0 12 4 0 4 4 0 8 0
dirhash 1024 123 0 106 3 0 3 3 0 8 0
dino2pl 256 5419 0 3901 96 0 96 96 0 8 0
ffsino 272 5419 0 3901 103 0 103 103 0 8 0
nchpl 144 9471 0 7750 66 1 65 66 0 8 0
uvmvnodes 80 5987 0 0 123 0 123 123 0 8 0
vnodes 216 5987 0 0 333 0 333 333 0 8 0
namei 1024 35415 0 35413 19 18 1 2 0 8 0
percpumem 16 73 0 28 1 0 1 1 0 8 0
kstatmem 264 76 0 56 2 0 2 2 0 8 0
scxspl 216 96753 0 96753 42 41 1 8 1 8 1
plimitpl 152 767 0 747 8 7 1 2 0 8 0
sigapl 424 3134 0 3083 7 0 7 7 0 8 0
futexpl 64 43501 0 43494 25 24 1 1 0 8 0
knotepl 120 848 0 0 13 2 11 11 0 8 0
kqueuepl 216 963 0 953 2 1 1 2 0 8 0
pipepl 320 626 0 598 5 2 3 4 0 8 0
fdescpl 496 3115 0 3083 7 2 5 6 0 8 0
filepl 152 20237 0 19991 14 3 11 12 0 8 0
lockfpl 104 860 0 856 1 0 1 1 0 8 0
lockfspl 48 315 0 312 1 0 1 1 0 8 0
sessionpl 144 50 0 35 1 0 1 1 0 8 0
pgrppl 48 109 0 94 1 0 1 1 0 8 0
ucredpl 104 4461 0 4444 1 0 1 1 0 8 0
zombiepl 144 3083 0 3083 1 0 1 1 0 8 1
processpl 1144 3134 0 3083 6 2 4 5 0 8 0
procpl 656 6010 0 5930 9 1 8 8 0 8 0
sosppl 168 38 0 38 16 15 1 1 0 8 1
sockpl 664 6233 0 6192 52 48 4 5 0 8 0
mcl64k 65536 19 0 0 3 1 2 3 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 6 0 0 1 0 1 1 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 9 0 0 2 0 2 2 0 8 0
mcl4k 4096 6 0 0 1 0 1 1 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 487 0 0 37 14 23 37 0 8 0
mtagpl 96 5 0 0 1 0 1 1 0 8 0
mbufpl 256 1393 0 0 71 0 71 71 0 8 0
bufpl 280 14884 0 5540 668 0 668 668 0 8 0
anonpl 24 742019 0 731617 279 208 71 130 0 186 0
amapchunkpl 152 100617 0 99811 153 117 36 63 0 158 0
amappl16 200 15222 0 14852 144 124 20 35 0 8 0
amappl15 192 15 0 15 2 2 0 1 0 8 0
amappl14 184 256 0 243 2 1 1 2 0 8 0
amappl13 176 28 0 28 4 4 0 1 0 8 0
amappl12 168 4170 0 4134 2 0 2 2 0 8 0
amappl11 160 69 0 59 1 0 1 1 0 8 0
amappl10 152 106 0 93 1 0 1 1 0 8 0
amappl9 144 183 0 183 2 2 0 1 0 8 0
amappl8 136 339 0 302 2 0 2 2 0 8 0
amappl7 128 61 0 45 1 0 1 1 0 8 0
amappl6 120 697 0 683 2 1 1 2 0 8 0
amappl5 112 279 0 267 1 0 1 1 0 8 0
amappl4 104 774 0 737 2 0 2 2 0 8 0
amappl3 96 16561 0 16456 3 0 3 3 0 8 0
amappl2 88 3584 0 3508 5 3 2 5 0 8 0
amappl1 80 19638 0 19142 22 10 12 22 0 8 0
amappl 88 25353 0 25124 6 0 6 6 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 137 0 12 4 1 3 3 0 8 0
uaddrrnd 24 3115 0 3083 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3115 0 3083 1 0 1 1 0 8 0
vmmpekpl 168 25193 0 25131 4 0 4 4 0 8 0
vmmpepl 168 211705 0 209411 259 147 112 117 0 357 9
vmsppl 440 3114 0 3083 6 2 4 5 0 8 0
rwobjpl 56 62514 0 55060 132 26 106 106 0 8 0
pdppl 4096 6237 0 6166 309 232 77 95 0 8 6
pvpl 32 47996 0 0 388 0 388 388 0 265 0
pmappl 248 3114 0 3083 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 736 0 321 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffffffff82cd8ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff82e2f710) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e2f710) at __mp_lock+0x129 sys/kern/kern_lock.c:147
intr_handler(ffff80002a184200,ffff80000067b200) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f
__mp_lock(ffffffff82e2f710) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e2f710) at __mp_lock+0x12e sys/kern/kern_lock.c:147
vn_closefile(fffffd806b276690,ffff8000ffffd9b0) at vn_closefile+0x38 sys/kern/vfs_vnops.c:602
fdrop(fffffd806b276690,ffff8000ffffd9b0) at fdrop+0xd5 sys/kern/kern_descrip.c:1274
closef(fffffd806b276690,ffff8000ffffd9b0) at closef+0x120 sys/kern/kern_descrip.c:1258
syscall(ffff80002a1844e0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a1844e0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e132fccbb30, count: 3
ddb{0}> trace
x86_ipi_db(ffffffff82cd8ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff82e2f710) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e2f710) at __mp_lock+0x129 sys/kern/kern_lock.c:147
intr_handler(ffff80002a184200,ffff80000067b200) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f
__mp_lock(ffffffff82e2f710) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e2f710) at __mp_lock+0x12e sys/kern/kern_lock.c:147
vn_closefile(fffffd806b276690,ffff8000ffffd9b0) at vn_closefile+0x38 sys/kern/vfs_vnops.c:602
fdrop(fffffd806b276690,ffff8000ffffd9b0) at fdrop+0xd5 sys/kern/kern_descrip.c:1274
closef(fffffd806b276690,ffff8000ffffd9b0) at closef+0x120 sys/kern/kern_descrip.c:1258
syscall(ffff80002a1844e0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a1844e0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e132fccbb30, count: -12
ddb{0}> machine ddbcpu 1
Stopped at unveil_add_vnode+0xb6: movq %rax,0x8(%r14,%r13,1)
unveil_add_vnode(ffff80002a202cf0,fffffd805d61b2c0) at unveil_add_vnode+0xb6 sys/kern/kern_unveil.c:391
unveil_add(ffff80002a202cf0,ffff8000359b7b88,ffff8000359b7c43) at unveil_add+0x30b sys/kern/kern_unveil.c:494
sys_unveil(ffff80002a202cf0,ffff8000359b7d70,ffff8000359b7cc0) at sys_unveil+0x41b sys/kern/vfs_syscalls.c:1024
syscall(ffff8000359b7d70) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff8000359b7d70) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce5971d0f60, count: 10
ddb{1}> trace
unveil_add_vnode(ffff80002a202cf0,fffffd805d61b2c0) at unveil_add_vnode+0xb6 sys/kern/kern_unveil.c:391
unveil_add(ffff80002a202cf0,ffff8000359b7b88,ffff8000359b7c43) at unveil_add+0x30b sys/kern/kern_unveil.c:494
sys_unveil(ffff80002a202cf0,ffff8000359b7d70,ffff8000359b7cc0) at sys_unveil+0x41b sys/kern/vfs_syscalls.c:1024
syscall(ffff8000359b7d70) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff8000359b7d70) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xce5971d0f60, count: -5