witness: lock_object uninitialized: 0xffff800000c1b028
Starting stack trace...
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000c1b018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000ffff8858) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff800021239ce0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exit(ffff800021239ce0,ffff800022cb19a0,ffff800022cb1a00) at sys_exit+0x16 sys/kern/kern_exit.c:95
syscall(ffff800022cb1a70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022cb1a70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcbb30, count: 249
End of stack trace.
Stopped at db_enter+0x18: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000c1b018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000ffff8858) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff800021239ce0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exit(ffff800021239ce0,ffff800022cb19a0,ffff800022cb1a00) at sys_exit+0x16 sys/kern/kern_exit.c:95
syscall(ffff800022cb1a70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022cb1a70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcbb30, count: -9
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff800022cb1740
rbx 0x3
rdx 0
rcx 0
rax 0xffff800021239ce0
r8 0xffff800022cb16e0
r9 0x8080808080808080
r10 0x366f92a632e00df3
r11 0x46e62abc4642a8de
r12 0xffff800000c1b001
r13 0xffff800000c1b028
r14 0
r15 0
rip 0xffffffff8167b298 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800022cb1730
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.2) pid=350330 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800021239260,0xffff80002125f270
process=0xffff8000ffff8858 user=0xffff800022cac000, vmspace=0xfffffd8079aa5b98
estcpu=36, cpticks=23, pctcpu=0.0
user=0, sys=8, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
21455 187837 14564 0 3 0x82 piperd syz-executor.3
35810 182665 0 0 3 0x14280 nfsidl nfsio
77379 268980 0 0 3 0x14280 nfsidl nfsio
26563 199991 0 0 3 0x14280 nfsidl nfsio
3592 114077 0 0 3 0x14280 nfsidl nfsio
87886 287990 0 0 3 0x14280 nfsidl nfsio
63403 89095 0 0 3 0x14280 nfsidl nfsio
84371 128913 0 0 3 0x14280 nfsidl nfsio
67906 335553 0 0 3 0x14280 nfsidl nfsio
89135 72174 0 0 3 0x14280 nfsidl nfsio
47409 492769 0 0 3 0x14280 nfsidl nfsio
4342 450583 0 0 3 0x14280 nfsidl nfsio
89128 132325 0 0 3 0x14280 nfsidl nfsio
30952 49253 0 0 3 0x14280 nfsidl nfsio
67782 62539 0 0 3 0x14280 nfsidl nfsio
26318 364136 0 0 3 0x14280 nfsidl nfsio
52889 174707 0 0 3 0x14280 nfsidl nfsio
60935 230526 0 0 3 0x14280 nfsidl nfsio
67757 359993 0 0 3 0x14280 nfsidl nfsio
65820 245245 0 0 3 0x14280 nfsidl nfsio
26602 370561 0 0 3 0x14280 nfsidl nfsio
26564 471473 14564 0 3 0x82 nanoslp syz-executor.1
78249 428528 14564 0 3 0x82 nanoslp syz-executor.2
18969 340906 0 0 3 0x14200 acct acct
79977 408124 14564 0 2 0x3 syz-executor.0
33912 371375 0 0 3 0x14200 bored sosplice
14564 124444 31791 0 3 0x82 thrsleep syz-fuzzer
14564 323455 31791 0 3 0x4000082 thrsleep syz-fuzzer
14564 382861 31791 0 3 0x4000082 thrsleep syz-fuzzer
14564 402877 31791 0 3 0x4000082 thrsleep syz-fuzzer
14564 453933 31791 0 3 0x4000082 thrsleep syz-fuzzer
14564 342572 31791 0 3 0x4000082 thrsleep syz-fuzzer
14564 217501 31791 0 3 0x4000082 kqread syz-fuzzer
14564 383369 31791 0 3 0x4000082 thrsleep syz-fuzzer
31791 383793 21182 0 3 0x10008a sigsusp ksh
21182 475614 63658 0 3 0x9a poll sshd
3156 155722 1 0 3 0x100083 ttyin getty
63658 351202 1 0 3 0x88 poll sshd
52415 346634 92689 74 3 0x100092 bpf pflogd
92689 95570 1 0 3 0x80 netio pflogd
55124 317769 42095 73 3 0x100090 kqread syslogd
42095 117297 1 0 3 0x100082 netio syslogd
33139 38823 1 0 3 0x100080 kqread resolvd
41216 520703 16363 77 3 0x100092 kqread dhcpleased
41621 391908 16363 77 3 0x100092 kqread dhcpleased
16363 228223 1 0 3 0x80 kqread dhcpleased
58460 192957 0 0 3 0x14200 bored smr
67230 35578 0 0 2 0x14200 zerothread
27039 49204 0 0 3 0x14200 aiodoned aiodoned
31918 175733 0 0 3 0x14200 syncer update
96438 236657 0 0 3 0x14200 cleaner cleaner
71122 218045 0 0 7 0x14200 reaper
86321 449682 0 0 3 0x14200 pgdaemon pagedaemon
68454 250131 0 0 3 0x14200 bored viomb
56941 46940 0 0 3 0x40014200 acpi0 acpi0
65583 51208 0 0 3 0x40014200 idle1
20995 279257 0 0 3 0x14200 bored softnet
80446 480248 0 0 3 0x14200 bored systqmp
52888 146472 0 0 3 0x14200 bored systq
63984 132681 0 0 3 0x40014200 bored softclock
75163 237887 0 0 3 0x40014200 idle0
1 171324 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 79977 (syz-executor.0) thread 0xffff800021239500 (408124)
exclusive rrwlock inode r = 0 (0xfffffd806ee11928)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ktrwriteraw+0x130 sys/kern/kern_ktrace.c:663
#7 ktrsyscall+0x2d0 ktrwrite sys/kern/kern_ktrace.c:609 [inline]
#7 ktrsyscall+0x2d0 sys/kern/kern_ktrace.c:185
#8 syscall+0x356 mi_syscall sys/sys/syscall_mi.h:76 [inline]
#8 syscall+0x356 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10180 6557K 6863K 78643K 18844 0
pcb 13 18K 20K 78643K 738 0
rtable 151 10K 12K 78643K 1746 0
ifaddr 69 16K 17K 78643K 730 0
sysctl 2 0K 0K 78643K 2 0
counters 48 34K 35K 78643K 244 0
ioctlops 0 0K 6K 78643K 3089 0
iov 0 0K 20K 78643K 638 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1304 82K 82K 78643K 3795 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 5 13K 17K 78643K 378 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1357 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 7 21K 45K 78643K 5427 0
sigio 0 0K 0K 78643K 488 0
proc 72 111K 112K 78643K 1059 0
subproc 52 3K 3K 78643K 299 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 178 0
in_multi 47 3K 3K 78643K 570 0
ether_multi 1 0K 0K 78643K 90 0
mrt 1 0K 0K 78643K 53 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 67 307K 307K 78643K 67 0
exec 0 0K 2K 78643K 1451 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 331 263K 279K 78643K 70970 0
UVM aobj 131 4K 4K 78643K 132 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 317 0
NDP 9 0K 1K 78643K 174 0
temp 104 4204K 4284K 78643K 47739 0
kqueue 10 14K 18K 78643K 191 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> 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 120 605 0 602 14 13 1 5 0 8 0
rtentry 112 421 0 369 2 0 2 2 0 8 0
unpcb 136 11539 0 11524 67 61 6 8 0 8 5
syncache 296 25 0 25 7 7 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 12 0 12 4 4 0 1 0 8 0
tcpcb 736 2141 0 2137 73 65 8 14 0 8 7
arp 120 55 0 46 1 0 1 1 0 8 0
inpcb 304 5282 0 5275 82 75 7 11 0 8 6
rttmr 72 16 0 16 5 5 0 1 0 8 0
nd6 48 99 0 89 1 0 1 1 0 8 0
pkpcb 40 140 0 140 2 2 0 1 0 8 0
kcovpl 48 23 0 19 1 0 1 1 0 8 0
ppxss 1248 29 0 29 6 5 1 1 0 8 1
pfstscr 40 10 0 10 3 3 0 1 0 8 0
pffrag 232 35 0 34 4 3 1 1 0 482 0
pffrnode 88 35 0 34 4 3 1 1 0 8 0
pffrent 40 206 0 205 4 3 1 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 204 0 193 6 4 2 2 0 8 1
pftag 88 11 0 8 1 0 1 1 0 8 0
pfqueue 264 8 0 0 1 0 1 1 0 8 0
pfstitem 24 43 0 41 1 0 1 1 0 8 0
pfstkey 112 57 0 55 1 0 1 1 0 8 0
pfstate 320 47 0 45 2 1 1 2 0 8 0
pfrule 1360 384 0 344 8 4 4 4 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2219 0 1940 26 8 18 19 0 8 0
art_table 32 2220 0 1940 3 0 3 3 0 8 0
art_node 16 420 0 375 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0
semapl 112 1355 0 1345 1 0 1 1 0 8 0
shmpl 112 129 0 1 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 9148 0 7715 90 0 90 90 0 8 0
ffsino 272 9148 0 7715 97 1 96 96 0 8 0
nchpl 144 17019 0 15419 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 59219 0 59219 6 5 1 1 0 8 1
percpumem 16 134 0 98 1 0 1 1 0 8 0
vcpupl 2048 16 0 0 2 0 2 2 0 8 0
vmpool 560 512 0 496 2 0 2 2 0 8 0
pfiaddrpl 120 69 0 51 3 2 1 1 0 8 0
scxspl 216 62057 0 62056 16 15 1 8 0 8 0
plimitpl 152 640 0 629 1 0 1 1 0 8 0
sigapl 424 5630 0 5573 7 0 7 7 0 8 0
futexpl 64 46923 0 46923 7 6 1 1 0 8 1
knotepl 112 111 0 0 3 0 3 3 0 8 0
kqueuepl 216 1131 0 1122 24 23 1 5 0 8 0
pipepl 336 900 0 882 15 10 5 7 0 8 3
fdescpl 496 5594 0 5574 4 1 3 4 0 8 0
filepl 152 45207 0 45052 87 75 12 19 0 8 5
lockfpl 104 1351 0 1349 5 4 1 2 0 8 0
lockfspl 48 400 0 398 1 0 1 1 0 8 0
sessionpl 144 39 0 26 1 0 1 1 0 8 0
pgrppl 48 115 0 102 1 0 1 1 0 8 0
ucredpl 96 4866 0 4854 1 0 1 1 0 8 0
zombiepl 144 7303 0 7300 1 0 1 1 0 8 0
processpl 1064 5630 0 5572 4 0 4 4 0 8 0
procpl 672 16145 0 16078 14 7 7 7 0 8 1
srpgc 96 20 0 20 4 4 0 1 0 8 0
sosppl 168 31 0 31 3 3 0 1 0 8 0
sockpl 480 17572 0 17547 357 337 20 35 0 8 16
mcl64k 65536 36 0 0 3 0 3 3 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 15 0 0 2 0 2 2 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 33 0 0 4 1 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 307 0 0 23 2 21 21 0 8 0
mtagpl 96 361 0 0 6 0 6 6 0 8 0
mbufpl 256 1194 0 0 57 0 57 57 0 8 0
bufpl 288 13486 0 7140 454 0 454 454 0 8 0
anonpl 24 1630132 0 1611267 211 85 126 148 0 186 1
amapchunkpl 152 176802 0 176019 96 51 45 45 0 158 13
amappl16 200 14074 0 13486 92 52 40 44 0 8 8
amappl15 192 427 0 424 1 0 1 1 0 8 0
amappl14 184 31 0 29 1 0 1 1 0 8 0
amappl13 176 1553 0 1550 1 0 1 1 0 8 0
amappl12 168 787 0 782 1 0 1 1 0 8 0
amappl11 160 376 0 362 1 0 1 1 0 8 0
amappl10 152 443 0 433 1 0 1 1 0 8 0
amappl9 144 1007 0 1002 1 0 1 1 0 8 0
amappl8 136 2173 0 2097 3 0 3 3 0 8 0
amappl7 128 1547 0 1537 1 0 1 1 0 8 0
amappl6 120 823 0 800 1 0 1 1 0 8 0
amappl5 112 5001 0 4984 1 0 1 1 0 8 0
amappl4 104 1697 0 1672 1 0 1 1 0 8 0
amappl3 96 1264 0 1245 1 0 1 1 0 8 0
amappl2 88 2851 0 2805 2 0 2 2 0 8 0
amappl1 80 106086 0 105591 13 1 12 13 0 8 0
amappl 88 69941 0 69726 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 72 131 0 1 3 0 3 3 0 8 0
uaddrrnd 24 6106 0 6069 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6106 0 6069 1 0 1 1 0 8 0
vmmpekpl 168 45995 0 45953 4 1 3 3 0 8 0
vmmpepl 168 523021 0 520903 257 137 120 133 0 357 18
vmsppl 368 6105 0 6069 4 0 4 4 0 8 0
rwobjpl 56 133751 0 126203 116 6 110 110 0 8 1
pdppl 4096 12220 0 12154 126 56 70 72 0 8 4
pvpl 32 2800537 0 2778666 395 197 198 256 0 265 9
pmappl 248 6105 0 6069 3 0 3 3 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1000 0 155 25 0 25 25 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8279bff0) 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(ffffffff8292d388) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff8292d388) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff800021185540,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:139
intr_handler(ffff8000211856a0,ffff80000067b080) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:571 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:143
__mp_lock(ffffffff8292d388) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff8292d388) at __mp_lock+0x133 sys/kern/kern_lock.c:147
intr_handler(ffff800021185800,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x34 sys/dev/kcov.c:149
__mp_lock(ffffffff8292d388) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff8292d388) at __mp_lock+0x133 sys/kern/kern_lock.c:147
reaper(ffff800021149a40) at reaper+0x150 sys/kern/kern_exit.c:450
end trace frame: 0x0, count: -16
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline]
witness_checkorder(ffff800000c1b028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772
rw_enter_write(ffff800000c1b018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline]
unveil_delete_names(ffff800000c1b000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100
unveil_destroy(ffff8000ffff8858) at unveil_destroy+0xad sys/kern/kern_unveil.c:191
exit1(ffff800021239ce0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225
sys_exit(ffff800021239ce0,ffff800022cb19a0,ffff800022cb1a00) at sys_exit+0x16 sys/kern/kern_exit.c:95
syscall(ffff800022cb1a70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022cb1a70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcbb30, count: -9