uvm_fault(0xfffffd807e9c5730, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_LOCK+0x9d: movq 0(%rax),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*285819 44797 0 0x2 0x1 0 syz-executor
VOP_LOCK(fffffd8060651378,2001) at VOP_LOCK+0x9d sys/kern/vfs_vops.c:524
vn_lock(fffffd8060651378,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8060651378,2001) at vget+0x2a2 sys/kern/vfs_subr.c:686
ktrwriteraw(ffff80002a7a62a8,fffffd8060651378,fffffd8007bfd8f0,ffff80002a7fd668,ffff80002a7fd640) at ktrwriteraw+0x152 sys/kern/kern_ktrace.c:688
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 sys/kern/kern_ktrace.c:314
dopselect(ffff80002a7a62a8,35,714128a60860,0,0,ffff80002a7fda60,82ef186367771346,ffff80002a7fdaf0) at dopselect+0xc6b sys/kern/sys_generic.c:720
sys_pselect(ffff80002a7a62a8,ffff80002a7fdba0,ffff80002a7fdaf0) at sys_pselect+0x25a sys/kern/sys_generic.c:589
syscall(ffff80002a7fdba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7fdba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x714128a60810, count: 6
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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xfffffd807e9c5730, 0x0, 0, 1) -> e
ddb> trace
VOP_LOCK(fffffd8060651378,2001) at VOP_LOCK+0x9d sys/kern/vfs_vops.c:524
vn_lock(fffffd8060651378,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8060651378,2001) at vget+0x2a2 sys/kern/vfs_subr.c:686
ktrwriteraw(ffff80002a7a62a8,fffffd8060651378,fffffd8007bfd8f0,ffff80002a7fd668,ffff80002a7fd640) at ktrwriteraw+0x152 sys/kern/kern_ktrace.c:688
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 sys/kern/kern_ktrace.c:314
dopselect(ffff80002a7a62a8,35,714128a60860,0,0,ffff80002a7fda60,82ef186367771346,ffff80002a7fdaf0) at dopselect+0xc6b sys/kern/sys_generic.c:720
sys_pselect(ffff80002a7a62a8,ffff80002a7fdba0,ffff80002a7fdaf0) at sys_pselect+0x25a sys/kern/sys_generic.c:589
syscall(ffff80002a7fdba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7fdba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x714128a60810, count: -9
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a7fd490
rbx 0x1
rdx 0
rcx 0x8
rax 0
r8 0xffff80002a7fd640
r9 0x8080808080808080
r10 0x3bc141b0a95f164a
r11 0xf48a993ecf15637d
r12 0xffffffff837c3ff0 cpu_info_full_primary+0x1ff0
r13 0
r14 0xfffffd8060651378
r15 0
rip 0xffffffff82fbc42d VOP_LOCK+0x9d
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff80002a7fd440
ss 0
VOP_LOCK+0x9d: movq 0(%rax),%r14
ddb> show proc
PROC (syz-executor) tid=285819 pid=44797 tcnt=1 stat=onproc
flags process=2<EXEC> proc=1<INKTR>
runpri=24, usrpri=50, slppri=24, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a7a7a00,0xffff80002a7a6020
process=0xffff80002a7ddb10 user=0xffff80002a7f8000, vmspace=0xfffffd807e9c5730
estcpu=36, cpticks=54, pctcpu=0.10, user=9, sys=43, intr=2
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
65682 108549 84497 0 2 0 syz-executor
65682 112207 84497 0 3 0x4000080 fsleep syz-executor
59083 201931 48835 0 2 0 syz-executor
59083 76015 48835 0 3 0x4000080 fifor syz-executor
59083 48455 48835 0 3 0x4000080 kqpoll syz-executor
1504 59471 37804 60928 2 0x10 syz-executor
1504 492975 37804 60928 3 0x4000090 fsleep syz-executor
84497 420165 44797 0 3 0x82 nanoslp syz-executor
69499 99113 26452 0 3 0x80 nanoslp syz-executor
69499 60509 26452 0 3 0x4000080 kqsel syz-executor
69499 436612 26452 0 3 0x4000080 fsleep syz-executor
3282 282837 14265 0 3 0x80 nanoslp syz-executor
3282 269682 14265 0 3 0x4000080 fsleep syz-executor
3282 300617 14265 0 3 0x4000080 lockf syz-executor
3282 410568 14265 0 3 0x4000080 fsleep syz-executor
79367 106145 36212 0 2 0 syz-executor
79367 226066 36212 0 2 0x4000000 syz-executor
75191 18417 0 0 3 0x14200 acct acct
36212 171690 44797 0 3 0x82 nanoslp syz-executor
14265 442271 44797 0 2 0xc82 syz-executor
48835 478560 44797 0 2 0xc82 syz-executor
66910 111797 44797 0 2 0x2 syz-executor
26452 473934 44797 0 3 0x82 nanoslp syz-executor
37804 129878 44797 0 2 0xc82 syz-executor
27109 189957 44797 0 2 0x2 syz-executor
*44797 285819 27843 0 7 0x3 syz-executor
27843 451999 16030 0 3 0x10008a sigsusp ksh
16030 178446 99143 0 3 0x98 kqread sshd-session
99143 298210 86732 0 3 0x92 kqread sshd-session
8274 402406 1 0 3 0x100083 ttyin getty
86732 179729 1 0 3 0x88 kqread sshd
48723 9239 91155 73 3 0x1100090 kqread syslogd
91155 95240 1 0 3 0x100082 sbwait syslogd
96603 91144 1 0 3 0x100080 kqread resolvd
20475 443281 34766 77 3 0x100092 kqread dhcpleased
51717 385565 34766 77 3 0x100092 kqread dhcpleased
34766 157044 1 0 3 0x80 kqread dhcpleased
97336 44269 0 0 3 0x14200 bored smr
94921 166045 0 0 2 0x14200 zerothread
39175 77685 0 0 3 0x14200 aiodoned aiodoned
75301 82961 0 0 3 0x14200 syncer update
18416 79734 0 0 3 0x14200 cleaner cleaner
58956 98653 0 0 3 0x14200 reaper reaper
29989 412510 0 0 3 0x14200 pgdaemon pagedaemon
20976 109606 0 0 3 0x14200 bored viomb
835 267774 0 0 3 0x40014200 acpi0 acpi0
14237 256445 0 0 3 0x14200 bored softnet0
18 378153 0 0 3 0x14200 bored systqmp
53204 507515 0 0 3 0x14200 bored systq
65535 61547 0 0 2 0x40014200 softclock
76661 21652 0 0 3 0x40014200 idle0
1 503442 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11080 12177K 13163K 166960K 15598 0
pcb 19 14K 14K 166960K 331 0
rtable 215 10K 11K 166960K 652 0
pf 32 13K 17K 166960K 177 0
ifaddr 36 6K 8K 166960K 139 0
ifgroup 51 2K 2K 166960K 244 0
sysctl 4 1K 9K 166960K 24 0
counters 34 17K 18K 166960K 135 0
ioctlops 0 0K 4K 166960K 265 0
iov 0 0K 20K 166960K 96 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1455 91K 92K 166960K 2928 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 21 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 56 0
dirhash 12 2K 2K 166960K 48 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 240K 166960K 1605 0
sigio 0 0K 0K 166960K 21 0
proc 60 59K 116K 166960K 712 0
subproc 72 4K 4K 166960K 108 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 299 0
in_multi 66 4K 8K 166960K 209 0
ether_multi 1 0K 0K 166960K 12 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 247 1102K 1102K 166960K 247 0
exec 0 0K 1K 166960K 582 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 232 160K 189K 166960K 15418 0
UVM aobj 135 45K 47K 166960K 141 0
pinsyscall 37 74K 95K 166960K 2734 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 81 0
NDP 14 0K 2K 166960K 100 0
temp 79 8672K 8768K 166960K 58266 0
kqueue 14 22K 38K 166960K 332 0
SYN cache 2 8K 16K 166960K 3 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 203 0 200 3 0 3 3 0 8 2
rtentry 136 192 0 118 4 0 4 4 0 8 0
unpcb 144 1228 0 1210 5 0 5 5 0 8 4
syncache 336 6 0 6 1 0 1 1 0 8 1
tcpqe 32 3 0 3 1 0 1 1 0 8 1
tcpcb 736 706 0 697 7 0 7 7 0 8 6
arp 96 29 0 14 1 0 1 1 0 8 0
ipq 40 8 0 2 1 0 1 1 0 8 0
ipqe 40 16 0 9 1 0 1 1 0 8 0
inpcb 328 1637 0 1620 7 0 7 7 0 8 5
ip6q 72 10 0 2 1 0 1 1 0 8 0
ip6af 40 13 0 4 1 0 1 1 0 8 0
nd6 112 43 0 26 1 0 1 1 0 8 0
pkpcb 40 10 0 10 1 0 1 1 0 8 1
kcovpl 48 12 0 4 1 0 1 1 0 8 0
mppekey 1024 3 0 3 1 0 1 1 0 8 1
ppxss 1072 77 0 77 1 0 1 1 0 8 1
pppxif 1384 7 0 7 1 0 1 1 0 8 1
pfrktable 1344 2 0 2 1 0 1 1 0 8 1
rttmr 136 3 0 3 1 0 1 1 0 8 1
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 918 0 624 33 3 30 33 0 8 8
art_table 40 922 0 624 6 0 6 6 0 8 1
art_node 32 191 0 126 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 3 1 0 1 1 0 8 0
semapl 112 50 0 40 1 0 1 1 0 8 0
shmpl 112 132 0 4 4 0 4 4 0 8 0
dirhash 1024 42 0 25 3 0 3 3 0 8 0
dino2pl 256 4347 0 2845 95 0 95 95 0 8 0
ffsino 256 4347 0 2845 95 0 95 95 0 8 0
nchpl 144 6466 0 4767 64 0 64 64 0 8 0
rtmask 32 13 0 13 1 0 1 1 0 8 1
vnodes 216 5381 0 0 299 0 299 299 0 8 0
vnodes: pool(0xffffffff838b45b8:vnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8060651f90 (p 0xfffffd8060651000)
namei 1024 23367 0 23364 2 0 2 2 0 8 1
vcpupl 3904 6 0 2 1 0 1 1 0 8 0
vmpool 808 6 0 2 1 0 1 1 0 8 0
kstatmem 264 150 0 126 3 0 3 3 0 8 1
scsiplug 72 5 0 5 1 0 1 1 0 8 1
scxspl 216 27462 0 27462 8 0 8 8 1 8 8
plimitpl 152 712 0 695 1 0 1 1 0 8 0
sigapl 424 1855 0 1813 8 0 8 8 0 8 2
knotepl 120 136186 0 135895 28 17 11 17 0 8 2
kqueuepl 184 652 0 639 4 0 4 4 0 8 3
pipepl 304 408 0 381 12 1 11 12 0 8 8
fdescpl 448 1819 0 1791 5 0 5 5 0 8 1
filepl 120 12457 0 12239 17 1 16 17 0 8 7
lockfpl 104 708 0 703 2 0 2 2 0 8 1
lockfspl 48 293 0 289 1 0 1 1 0 8 0
sessionpl 144 27 0 19 1 0 1 1 0 8 0
pgrppl 48 97 0 81 1 0 1 1 0 8 0
ucredpl 104 2129 0 2116 1 0 1 1 0 8 0
zombiepl 144 1813 0 1813 1 0 1 1 0 8 1
processpl 1152 1855 0 1813 5 0 5 5 0 8 0
procpl 664 3904 0 3852 7 0 7 7 0 8 1
sosppl 176 8 0 8 1 0 1 1 0 8 1
sockpl 552 3124 0 3086 15 3 12 15 0 8 8
mcl64k 65536 164 0 163 3 0 3 3 0 8 2
mcl16k 16384 7 0 7 1 0 1 1 0 8 1
mcl9k 9216 5 0 4 1 0 1 1 0 8 0
mcl8k 8192 29 0 29 1 0 1 1 0 8 1
mcl4k 4096 4319 0 4265 15 0 15 15 0 8 7
mcl2k 2048 2574 0 2565 3 0 3 3 0 8 1
mtagpl 96 67 0 42 1 0 1 1 0 8 0
mbufpl 256 21270 0 21087 18 0 18 18 0 8 2
bufpl 280 10927 0 4706 445 0 445 445 0 8 0
anonpl 24 280449 0 275210 70 0 70 70 0 187 21
amapchunkpl 152 53648 0 53120 39 0 39 39 0 158 15
amappl16 200 5318 0 5232 31 14 17 18 0 8 9
amappl15 192 22 0 22 1 0 1 1 0 8 1
amappl14 184 37 0 37 1 0 1 1 0 8 1
amappl13 176 464 0 463 1 0 1 1 0 8 0
amappl12 168 2185 0 2148 3 0 3 3 0 8 1
amappl11 160 7 0 7 1 0 1 1 0 8 1
amappl10 152 40 0 30 1 0 1 1 0 8 0
amappl9 144 258 0 258 1 0 1 1 0 8 1
amappl8 136 23 0 21 1 0 1 1 0 8 0
amappl7 128 108 0 106 1 0 1 1 0 8 0
amappl6 120 326 0 314 1 0 1 1 0 8 0
amappl5 112 73 0 64 1 0 1 1 0 8 0
amappl4 104 402 0 380 1 0 1 1 0 8 0
amappl3 96 9084 0 9002 3 0 3 3 0 8 0
amappl2 88 2002 0 1932 2 0 2 2 0 8 0
amappl1 80 15190 0 14657 13 0 13 13 0 8 0
amappl 88 14401 0 14238 5 0 5 5 0 92 0
uvmvnodes 80 148 0 0 4 0 4 4 0 8 0
dma8192 8192 1 0 1 1 0 1 1 0 8 1
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma512 512 1 0 1 1 0 1 1 0 8 1
dma256 256 7 0 7 1 0 1 1 0 8 1
dma128 128 254 0 254 1 0 1 1 0 8 1
dma64 64 10 0 10 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 140 0 6 3 0 3 3 0 8 0
uaddrrnd 24 1819 0 1791 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1819 0 1791 1 0 1 1 0 8 0
vmmpekpl 168 15549 0 15495 3 0 3 3 0 8 0
vmmpepl 168 118438 0 116641 96 0 96 96 0 357 10
vmsppl 368 1818 0 1791 4 0 4 4 0 8 1
rwobjpl 40 31469 0 30292 16 0 16 16 0 8 0
pdppl 4096 3657 0 3590 117 45 72 83 0 8 5
pvpl 32 804782 0 794005 149 0 149 149 0 265 32
pmappl 216 1824 0 1793 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 414 0 48 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
VOP_LOCK(fffffd8060651378,2001) at VOP_LOCK+0x9d sys/kern/vfs_vops.c:524
vn_lock(fffffd8060651378,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8060651378,2001) at vget+0x2a2 sys/kern/vfs_subr.c:686
ktrwriteraw(ffff80002a7a62a8,fffffd8060651378,fffffd8007bfd8f0,ffff80002a7fd668,ffff80002a7fd640) at ktrwriteraw+0x152 sys/kern/kern_ktrace.c:688
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 sys/kern/kern_ktrace.c:314
dopselect(ffff80002a7a62a8,35,714128a60860,0,0,ffff80002a7fda60,82ef186367771346,ffff80002a7fdaf0) at dopselect+0xc6b sys/kern/sys_generic.c:720
sys_pselect(ffff80002a7a62a8,ffff80002a7fdba0,ffff80002a7fdaf0) at sys_pselect+0x25a sys/kern/sys_generic.c:589
syscall(ffff80002a7fdba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7fdba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x714128a60810, count: -9
ddb> machine ddbcpu 1
No such command
ddb> trace
VOP_LOCK(fffffd8060651378,2001) at VOP_LOCK+0x9d sys/kern/vfs_vops.c:524
vn_lock(fffffd8060651378,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vget(fffffd8060651378,2001) at vget+0x2a2 sys/kern/vfs_subr.c:686
ktrwriteraw(ffff80002a7a62a8,fffffd8060651378,fffffd8007bfd8f0,ffff80002a7fd668,ffff80002a7fd640) at ktrwriteraw+0x152 sys/kern/kern_ktrace.c:688
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrstruct(ffff80002a7a62a8,ffffffff833aa63d,ffff8000015944d8,8) at ktrstruct+0x188 sys/kern/kern_ktrace.c:314
dopselect(ffff80002a7a62a8,35,714128a60860,0,0,ffff80002a7fda60,82ef186367771346,ffff80002a7fdaf0) at dopselect+0xc6b sys/kern/sys_generic.c:720
sys_pselect(ffff80002a7a62a8,ffff80002a7fdba0,ffff80002a7fdaf0) at sys_pselect+0x25a sys/kern/sys_generic.c:589
syscall(ffff80002a7fdba0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7fdba0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x714128a60810, count: -9