witness: lock_object uninitialized: 0xffff800000bf1028
Starting stack trace...
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000bf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000211f1900) at unveil_desStopped at db_enter+0x18: addq $0x8,%rsp
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000bf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000211f1900) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff8000212aafc8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exit(ffff8000212aafc8,ffff8000256e60c0,ffff8000256e6120) at sys_exit+0x16 sys/kern/kern_exit.c:95
syscall(ffff8000256e6190) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000256e6190) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3280, count: -9
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff8000256e5e60
rbx 0x3
rdx 0
rcx 0x2ad5 __ALIGN_SIZE+0x1ad5
rax 0xffff8000212aafc8
r8 0xffff8000256e5e00
r9 0x8080808080808080
r10 0xc7e6ba03f0b5bea4
r11 0x51d5ddc68e687a74
r12 0xffff800000bf1001
r13 0xffff800000bf1028
r14 0
r15 0
rip 0xffffffff81410c88 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000256e5e50
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.2) pid=96487 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
pri=32, usrpri=84, nice=20
forw=0xffffffffffffffff, list=0xffff8000212aba48,0xffffffff8283e338
process=0xffff8000211f1900 user=0xffff8000256e1000, vmspace=0xfffffd8008586a10
estcpu=34, cpticks=3, pctcpu=0.39
user=0, sys=3, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
59110 66912 71632 0 3 0x82 piperd syz-executor.0
82041 290834 71632 0 2 0x482 syz-executor.2
62330 77405 71632 0 3 0x82 piperd syz-executor.1
50438 270248 0 0 3 0x14200 acct acct
87056 145962 0 0 3 0x14280 nfsidl nfsio
76246 276879 0 0 3 0x14280 nfsidl nfsio
62358 22376 0 0 3 0x14280 nfsidl nfsio
88910 504922 0 0 3 0x14280 nfsidl nfsio
69955 236252 0 0 3 0x14280 nfsidl nfsio
52976 304243 0 0 3 0x14280 nfsidl nfsio
87231 129373 0 0 3 0x14280 nfsidl nfsio
69502 202225 0 0 3 0x14280 nfsidl nfsio
8251 364352 0 0 3 0x14280 nfsidl nfsio
82387 110682 0 0 3 0x14280 nfsidl nfsio
85204 409485 0 0 3 0x14280 nfsidl nfsio
32652 210024 0 0 3 0x14280 nfsidl nfsio
23979 450645 0 0 3 0x14280 nfsidl nfsio
40012 182046 0 0 3 0x14280 nfsidl nfsio
42407 267944 0 0 3 0x14280 nfsidl nfsio
53618 342706 0 0 3 0x14280 nfsidl nfsio
50608 3491 0 0 3 0x14280 nfsidl nfsio
71462 429027 0 0 3 0x14280 nfsidl nfsio
95656 158996 0 0 3 0x14280 nfsidl nfsio
20897 410374 0 0 3 0x14280 nfsidl nfsio
1798 350426 71632 0 3 0x82 piperd syz-executor.3
50968 39842 0 0 3 0x14200 bored sosplice
71632 324089 62483 0 3 0x82 thrsleep syz-fuzzer
71632 241454 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 276860 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 310674 62483 0 3 0x4000082 kqread syz-fuzzer
71632 270774 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 136739 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 80472 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 121755 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 274675 62483 0 3 0x4000082 thrsleep syz-fuzzer
71632 181181 62483 0 3 0x4000082 thrsleep syz-fuzzer
62483 159602 46782 0 3 0x10008a sigsusp ksh
46782 456740 83531 0 3 0x9a poll sshd
93587 181807 1 0 3 0x100083 ttyin getty
83531 309083 1 0 3 0x88 poll sshd
9272 194593 67521 74 3 0x100092 bpf pflogd
67521 259408 1 0 3 0x80 netio pflogd
72856 290872 87820 73 2 0x100090 syslogd
87820 404313 1 0 3 0x100082 netio syslogd
71010 6770 1 0 3 0x100080 kqread resolvd
6029 33349 92837 77 3 0x100092 kqread dhcpleased
3397 47421 92837 77 3 0x100092 kqread dhcpleased
92837 314642 1 0 3 0x80 kqread dhcpleased
90636 239372 0 0 3 0x14200 bored smr
24442 415870 0 0 3 0x14200 pgzero zerothread
78607 263344 0 0 3 0x14200 aiodoned aiodoned
51243 330490 0 0 3 0x14200 syncer update
19374 447419 0 0 3 0x14200 cleaner cleaner
66542 101795 0 0 7 0x14200 reaper
18944 250124 0 0 3 0x14200 pgdaemon pagedaemon
75071 155593 0 0 3 0x14200 bored viomb
39397 309592 0 0 3 0x40014200 acpi0 acpi0
49284 68474 0 0 3 0x40014200 idle1
57601 34484 0 0 3 0x14200 bored softnet
45007 73267 0 0 3 0x14200 bored systqmp
36678 274974 0 0 3 0x14200 bored systq
66038 179851 0 0 2 0x40014200 softclock
45498 112203 0 0 3 0x40014200 idle0
1 79921 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10167 6476K 14932K 78643K 23860 0
pcb 13 12K 14K 78643K 327 0
rtable 147 7K 9K 78643K 1164 0
ifaddr 66 16K 17K 78643K 407 0
counters 48 34K 35K 78643K 164 0
ioctlops 0 0K 6K 78643K 1954 0
iov 0 0K 32K 78643K 245 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1360 85K 86K 78643K 5409 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 16 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 1K 78643K 208 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 6 17K 49K 78643K 2965 0
sigio 0 0K 0K 78643K 19 0
proc 76 111K 111K 78643K 978 0
subproc 52 3K 3K 78643K 290 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 68 0
in_multi 51 3K 3K 78643K 361 0
ether_multi 1 0K 0K 78643K 39 0
mrt 0 0K 0K 78643K 11 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 79 360K 360K 78643K 79 0
exec 0 0K 2K 78643K 949 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 280 133K 142K 78643K 38316 0
UVM aobj 127 3K 3K 78643K 133 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 116 0
NDP 8 0K 1K 78643K 115 0
temp 115 4224K 4319K 78643K 21226 0
kqueue 10 14K 20K 78643K 255 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 404 0 401 7 6 1 3 0 8 0
rtentry 112 293 0 236 2 0 2 2 0 8 0
unpcb 136 1090 0 1075 17 16 1 6 0 8 0
syncache 296 12 0 12 5 5 0 1 0 8 0
tcpqe 32 199 0 199 3 3 0 2 0 8 0
tcpcb 736 719 0 713 36 34 2 10 0 8 0
arp 120 46 0 36 1 0 1 1 0 8 0
inpcb 304 2354 0 2345 29 28 1 6 0 8 0
nd6 48 73 0 61 1 0 1 1 0 8 0
pkpcb 40 4 0 4 2 2 0 1 0 8 0
kcovpl 48 22 0 18 1 0 1 1 0 8 0
ppxss 1248 13 0 13 3 3 0 1 0 8 0
pfstscr 40 3 0 3 1 1 0 1 0 8 0
pffrag 232 10 0 10 1 1 0 1 0 482 0
pffrnode 88 10 0 10 1 1 0 1 0 8 0
pffrent 40 239 0 239 1 1 0 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 27 0 21 2 1 1 1 0 8 0
pftag 88 4 0 3 1 0 1 1 0 8 0
pfqueue 264 5 0 5 2 2 0 1 0 8 0
pfstitem 24 48 0 43 1 0 1 1 0 8 0
pfstkey 112 60 0 55 1 0 1 1 0 8 0
pfstate 320 52 0 47 3 1 2 3 0 8 0
pfrule 1360 214 0 196 3 1 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1263 0 987 24 6 18 18 0 8 0
art_table 32 1264 0 987 4 1 3 3 0 8 0
art_node 16 289 0 239 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 11 1 0 1 1 0 8 0
semapl 112 197 0 187 1 0 1 1 0 8 0
shmpl 112 130 0 6 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 5182 0 3760 90 0 90 90 0 8 0
ffsino 272 5182 0 3760 97 1 96 96 0 8 0
nchpl 144 9138 0 7537 61 0 61 61 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 34150 0 34150 3 1 2 2 0 8 2
percpumem 16 94 0 58 1 0 1 1 0 8 0
vcpupl 2048 6 0 0 1 0 1 1 0 8 0
vmpool 560 46 0 40 2 1 1 1 0 8 0
pfiaddrpl 120 9 0 2 1 0 1 1 0 8 0
scxspl 216 25947 0 25947 12 11 1 8 0 8 1
plimitpl 152 117 0 106 1 0 1 1 0 8 0
sigapl 424 3171 0 3115 7 0 7 7 0 8 0
futexpl 64 25455 0 25455 1 0 1 1 0 8 1
knotepl 112 86 0 0 3 0 3 3 0 8 0
kqueuepl 216 1272 0 1266 22 21 1 5 0 8 0
pipepl 336 672 0 656 14 7 7 7 0 8 5
fdescpl 496 3135 0 3116 5 2 3 4 0 8 0
filepl 152 21597 0 21447 45 31 14 17 0 8 8
lockfpl 104 766 0 764 3 1 2 2 0 8 1
lockfspl 48 186 0 184 1 0 1 1 0 8 0
sessionpl 144 38 0 25 1 0 1 1 0 8 0
pgrppl 48 42 0 29 1 0 1 1 0 8 0
ucredpl 96 1859 0 1847 1 0 1 1 0 8 0
zombiepl 144 4588 0 4587 1 0 1 1 0 8 0
processpl 1064 3171 0 3115 5 1 4 5 0 8 0
procpl 672 8540 0 8474 8 1 7 7 0 8 0
srpgc 96 32 0 32 3 3 0 1 0 8 0
sosppl 168 24 0 24 6 6 0 1 0 8 0
sockpl 480 3858 0 3831 65 60 5 20 0 8 1
mcl64k 65536 12 0 0 2 0 2 2 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 8 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 381 0 0 47 0 47 47 0 8 0
mtagpl 96 892 0 0 21 0 21 21 0 8 0
mbufpl 256 6944 0 0 434 1 433 433 0 8 0
bufpl 288 7763 0 1418 454 0 454 454 0 8 0
anonpl 24 857240 0 842656 155 36 119 124 0 186 7
amapchunkpl 152 96240 0 95548 41 9 32 36 0 158 0
amappl16 200 6967 0 6419 44 11 33 38 0 8 2
amappl15 192 790 0 788 1 0 1 1 0 8 0
amappl14 184 92 0 91 2 1 1 1 0 8 0
amappl13 176 394 0 393 1 0 1 1 0 8 0
amappl12 168 864 0 857 1 0 1 1 0 8 0
amappl11 160 62 0 48 1 0 1 1 0 8 0
amappl10 152 550 0 542 1 0 1 1 0 8 0
amappl9 144 583 0 578 1 0 1 1 0 8 0
amappl8 136 930 0 877 2 0 2 2 0 8 0
amappl7 128 386 0 373 1 0 1 1 0 8 0
amappl6 120 378 0 362 1 0 1 1 0 8 0
amappl5 112 3112 0 3090 1 0 1 1 0 8 0
amappl4 104 1114 0 1088 1 0 1 1 0 8 0
amappl3 96 1216 0 1198 1 0 1 1 0 8 0
amappl2 88 1057 0 1017 3 2 1 2 0 8 0
amappl1 80 60479 0 60005 14 3 11 13 0 8 0
amappl 88 37666 0 37467 7 1 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 72 132 0 6 3 0 3 3 0 8 0
uaddrrnd 24 3181 0 3155 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3181 0 3155 1 0 1 1 0 8 0
vmmpekpl 168 27773 0 27725 3 0 3 3 0 8 0
vmmpepl 168 295406 0 293436 187 69 118 119 0 357 19
vmsppl 368 3180 0 3155 4 1 3 3 0 8 0
rwobjpl 56 77345 0 69880 108 1 107 107 0 8 0
pdppl 4096 6370 0 6316 97 37 60 62 0 8 6
pvpl 32 1502598 0 1484237 247 56 191 201 0 265 10
pmappl 248 3180 0 3155 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1321 0 91 36 0 36 36 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000bf1028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000bf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000bf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000211f1900) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff8000212aafc8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exit(ffff8000212aafc8,ffff8000256e60c0,ffff8000256e6120) at sys_exit+0x16 sys/kern/kern_exit.c:95
syscall(ffff8000256e6190) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000256e6190) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3280, count: -9
ddb{0}> machine ddbcpu 1
troy+0xad
exit1St(ffff8000212aafco8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exipt(ffff8000212aafpc8,ffff8000256e6e0c0,ffff8000256ed6120) at sys_exi t+0x16
syscall(affff8000256e6190t) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(affff8000256e6190t) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() a t Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe3280, count: 249
En d of stack tracex.
86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a 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+0x23
__mp_lock(ffffffff82993700) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82993700) at __mp_lock+0x129 sys/kern/kern_lock.c:147
reaper(ffff800021149260) at reaper+0x150 sys/kern/kern_exit.c:450
end trace frame: 0x0, count: -5