login: uvm_fault(0xffffffff83a71ae8, 0xffff80002454200c, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ufs_direnter+0x23b: movl 0(%r14),%r15d
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*503132 89684 0 0x2 0 0 syz-executor
ufs_direnter(fffff8806b448bf8,fffff88068112980,ffff8000318ad580,ffff8000318ad8b0,fffff88067310aa0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_mkdir(ffff8000318ad720) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179
VOP_MKDIR(fffff8806b448bf8,ffff8000318ad880,ffff8000318ad8b0,ffff8000318ad7b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff80003c8eaa80,ffffff9c,7bb1ed93c140,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
syscall(ffff8000318ada20) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000318ada20) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bb1ed93c1e0, count: 9
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(0xffffffff83a71ae8, 0xffff80002454200c, 0, 1) -> d
ddb> trace
ufs_direnter(fffff8806b448bf8,fffff88068112980,ffff8000318ad580,ffff8000318ad8b0,fffff88067310aa0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_mkdir(ffff8000318ad720) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179
VOP_MKDIR(fffff8806b448bf8,ffff8000318ad880,ffff8000318ad8b0,ffff8000318ad7b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff80003c8eaa80,ffffff9c,7bb1ed93c140,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
syscall(ffff8000318ada20) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000318ada20) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bb1ed93c1e0, count: -6
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000318ad570
rbx 0xfffff88007ffd750
rdx 0
rcx 0xfffff8806bafed00
rax 0xffff80003c8eaa80
r8 0xffffffffffffffff
r9 0
r10 0x4c1183680060f9ce
r11 0x43bc4b800fd64b02
r12 0xfffff8806b9ce500
r13 0xfffff8806b9cf200
r14 0xffff80002454200c
r15 0
rip 0xffffffff8227188b ufs_direnter+0x23b
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000318ad4d0
ss 0
ufs_direnter+0x23b: movl 0(%r14),%r15d
ddb> show proc
PROC (syz-executor) tid=503132 pid=89684 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=17, usrpri=81, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a756a70,0xffff80003c8ead28
process=0xffff807fffffb198 user=0xffff8000318a8000, vmspace=0xfffff88076067cf0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
18375 85850 30467 0 2 0 syz-executor
18375 210530 30467 0 3 0x4000080 fsleep syz-executor
90800 230706 90458 -1 2 0x10 syz-executor
90800 382635 90458 -1 3 0x4000090 ttyretype syz-executor
90800 367015 90458 -1 3 0x4000090 msgwait syz-executor
42329 76398 56834 0 3 0x80 nanoslp syz-executor
42329 316283 56834 0 3 0x4000080 lockf syz-executor
42329 16410 56834 0 3 0x4000080 lockf syz-executor
42329 393573 56834 0 3 0x4000080 fsleep syz-executor
*89684 503132 34809 0 7 0x2 syz-executor
2322 396920 1 0 3 0x100083 ttyin getty
72792 129693 0 0 3 0x14200 acct acct
24813 211857 0 0 3 0x14280 nfsidl nfsio
7327 317191 0 0 3 0x14280 nfsidl nfsio
51448 453847 0 0 3 0x14280 nfsidl nfsio
43249 5155 0 0 3 0x14280 nfsidl nfsio
35836 335369 0 0 3 0x14280 nfsidl nfsio
62728 250206 0 0 3 0x14280 nfsidl nfsio
89216 183948 0 0 3 0x14280 nfsidl nfsio
13673 281918 0 0 3 0x14280 nfsidl nfsio
32161 356906 0 0 3 0x14280 nfsidl nfsio
72618 447378 0 0 3 0x14280 nfsidl nfsio
86441 100464 0 0 3 0x14280 nfsidl nfsio
85553 336167 0 0 3 0x14280 nfsidl nfsio
73399 275677 0 0 3 0x14280 nfsidl nfsio
94516 369917 0 0 3 0x14280 nfsidl nfsio
53316 353266 0 0 3 0x14280 nfsidl nfsio
7626 83119 0 0 3 0x14280 nfsidl nfsio
2343 121211 0 0 3 0x14280 nfsidl nfsio
29022 112206 0 0 3 0x14280 nfsidl nfsio
65987 460513 0 0 3 0x14280 nfsidl nfsio
90589 64907 0 0 3 0x14280 nfsidl nfsio
94368 299880 34809 0 3 0x82 wait syz-executor
30467 57569 34809 0 3 0x82 nanoslp syz-executor
61210 295838 34809 0 3 0x82 nanoslp syz-executor
56834 472463 34809 0 3 0x82 nanoslp syz-executor
90458 493100 34809 0 3 0x82 nanoslp syz-executor
15571 364622 34809 0 3 0x82 wait syz-executor
34809 366242 1 0 3 0x82 wait syz-executor
20434 111530 38479 0 3 0x98 kqread sshd-session
38479 240443 1 0 3 0x92 kqread sshd-session
44600 180290 1 73 2 0x1100090 syslogd
67564 395558 0 0 3 0x14200 bored smr
90293 343579 0 0 2 0x14200 zerothread
29029 338546 0 0 3 0x14200 aiodoned aiodoned
83688 344473 0 0 3 0x14200 syncer update
5028 114684 0 0 3 0x14200 cleaner cleaner
72892 38251 0 0 3 0x14200 reaper reaper
8970 119250 0 0 3 0x14200 pgdaemon pagedaemon
17532 36315 0 0 3 0x14200 bored viomb
33400 309790 0 0 3 0x40014200 acpi0 acpi0
51175 157032 0 0 3 0x14200 bored softnet0
48750 286679 0 0 3 0x14200 smrbar systqmp
37638 262908 0 0 3 0x14200 bored systq
20917 44428 0 0 3 0x40014200 tmoslp softclock
29117 246954 0 0 3 0x40014200 idle0
1 269127 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11058 12168K 12412K 166960K 12695 0
pcb 17 14K 16K 166960K 154 0
rtable 239 7K 7K 166960K 771 0
pf 34 13K 18K 166960K 96 0
ifaddr 41 7K 7K 166960K 110 0
ifgroup 55 2K 2K 166960K 133 0
sysctl 3 1K 9K 166960K 10 0
counters 34 17K 18K 166960K 60 0
ioctlops 0 0K 4K 166960K 151 0
iov 0 0K 12K 166960K 14 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1386 87K 88K 166960K 2095 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 10K 14K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 23 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 240K 166960K 689 0
sigio 0 0K 0K 166960K 83 0
proc 20 25K 91K 166960K 877 0
subproc 72 4K 4K 166960K 181 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 32 0
in_multi 89 6K 7K 166960K 247 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 19 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 217 970K 970K 166960K 217 0
exec 0 0K 1K 166960K 603 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 157 92K 160K 166960K 6938 0
UVM aobj 15 2K 2K 166960K 15 0
pinsyscall 24 48K 94K 166960K 2102 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 14 0
NDP 14 0K 2K 166960K 77 0
temp 51 9114K 9175K 166960K 16212 0
kqueue 6 10K 26K 166960K 78 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 81 0 81 1 0 1 1 0 8 1
rtentry 136 258 0 152 4 0 4 4 0 8 0
unpcb 144 224 0 217 2 0 2 2 0 8 1
syncache 336 7 0 7 1 0 1 1 0 8 1
tcpcb 736 194 0 192 7 0 7 7 0 8 6
arp 96 45 0 26 1 0 1 1 0 8 0
inpcb 328 643 0 638 7 0 7 7 0 8 5
ip6q 72 2 0 0 1 0 1 1 0 8 0
ip6af 40 2 0 0 1 0 1 1 0 8 0
nd6 112 65 0 43 1 0 1 1 0 8 0
pkpcb 40 6 0 6 1 0 1 1 0 8 1
kcovpl 48 20 0 12 1 0 1 1 0 8 0
ppxss 1072 12 0 12 1 0 1 1 0 8 1
pfstscr 40 1 0 1 1 0 1 1 0 8 1
pfsrclim 320 1 0 1 1 0 1 1 0 8 1
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstkey 128 2 0 2 1 0 1 1 0 8 1
pfstate 384 1 0 1 1 0 1 1 0 8 1
pfrule 1360 4 0 4 1 0 1 1 0 8 1
rttmr 136 1 0 1 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 1082 0 643 32 0 32 32 0 8 4
art_table 40 1084 0 643 6 0 6 6 0 8 0
art_node 32 258 0 160 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 3 1 0 1 1 0 8 0
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 72 19 0 9 1 0 1 1 0 8 0
shmpl 112 12 0 0 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 2483 0 995 94 0 94 94 0 8 0
ffsino 256 2483 0 995 94 0 94 94 0 8 0
nchpl 144 3231 0 1496 65 0 65 65 0 8 0
vnodes 216 2943 0 0 164 0 164 164 0 8 0
namei 1024 11785 0 11784 2 0 2 2 0 8 1
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
kstatmem 264 73 0 48 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 15409 0 15409 8 0 8 8 1 8 8
plimitpl 152 128 0 113 1 0 1 1 0 8 0
sigapl 424 972 0 917 8 0 8 8 0 8 0
knotepl 120 16230 0 16202 10 0 10 10 0 8 8
kqueuepl 184 150 0 144 1 0 1 1 0 8 0
pipepl 304 191 0 164 3 0 3 3 0 8 0
fdescpl 448 938 0 917 5 0 5 5 0 8 1
filepl 120 5097 0 4903 10 0 10 10 0 8 2
lockfpl 104 194 0 190 1 0 1 1 0 8 0
lockfspl 48 88 0 86 1 0 1 1 0 8 0
sessionpl 144 52 0 47 1 0 1 1 0 8 0
pgrppl 48 79 0 66 1 0 1 1 0 8 0
ucredpl 104 1268 0 1258 1 0 1 1 0 8 0
zombiepl 144 921 0 917 1 0 1 1 0 8 0
processpl 1152 972 0 917 5 0 5 5 0 8 0
procpl 664 1521 0 1460 7 0 7 7 0 8 0
sosppl 176 5 0 5 1 0 1 1 0 8 1
sockpl 552 962 0 950 8 0 8 8 0 8 6
mcl64k 65536 33 0 31 1 0 1 1 0 8 0
mcl16k 16384 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 72 0 71 1 0 1 1 0 8 0
mcl4k 4096 3019 0 2966 14 0 14 14 0 8 6
mcl2k 2048 615 0 614 1 0 1 1 0 8 0
mtagpl 96 10 0 6 1 0 1 1 0 8 0
mbufpl 256 8899 0 8723 18 0 18 18 0 8 5
bufpl 272 6619 0 404 415 0 415 415 0 8 0
anonpl 24 148090 0 145855 59 0 59 59 0 88 22
amapchunkpl 152 21603 0 21219 29 0 29 29 0 158 13
amappl16 200 2321 0 2300 22 10 12 16 0 8 8
amappl15 192 5 0 5 1 0 1 1 0 8 1
amappl14 184 554 0 554 1 0 1 1 0 8 1
amappl13 176 140 0 136 1 0 1 1 0 8 0
amappl12 168 1231 0 1211 2 0 2 2 0 8 0
amappl11 160 6 0 6 1 0 1 1 0 8 1
amappl10 152 62 0 60 1 0 1 1 0 8 0
amappl9 144 274 0 273 1 0 1 1 0 8 0
amappl8 136 142 0 142 1 0 1 1 0 8 1
amappl7 128 167 0 162 1 0 1 1 0 8 0
amappl6 120 300 0 300 1 0 1 1 0 8 1
amappl5 112 91 0 87 1 0 1 1 0 8 0
amappl4 104 298 0 289 1 0 1 1 0 8 0
amappl3 96 4201 0 4119 3 0 3 3 0 8 0
amappl2 88 628 0 599 2 0 2 2 0 8 0
amappl1 80 13282 0 12974 13 0 13 13 0 8 2
amappl 88 5928 0 5799 4 0 4 4 0 92 0
uvmvnodes 80 112 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 254 0 254 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 14 0 0 1 0 1 1 0 8 0
uaddrrnd 24 938 0 917 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 938 0 917 1 0 1 1 0 8 0
vmmpekpl 168 8966 0 8926 3 0 3 3 0 8 0
vmmpepl 168 67221 0 66034 91 0 91 91 0 357 27
vmsppl 368 937 0 917 4 0 4 4 0 8 1
rwobjpl 40 20760 0 20139 13 0 13 13 0 8 0
pdppl 4096 1882 0 1834 104 50 54 80 0 8 6
pvpl 32 403784 0 397152 130 0 130 130 0 265 52
pmappl 216 937 0 917 3 0 3 3 0 8 1
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 803 0 50 22 0 22 22 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ufs_direnter(fffff8806b448bf8,fffff88068112980,ffff8000318ad580,ffff8000318ad8b0,fffff88067310aa0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_mkdir(ffff8000318ad720) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179
VOP_MKDIR(fffff8806b448bf8,ffff8000318ad880,ffff8000318ad8b0,ffff8000318ad7b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff80003c8eaa80,ffffff9c,7bb1ed93c140,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
syscall(ffff8000318ada20) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000318ada20) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bb1ed93c1e0, count: -6
ddb> machine ddbcpu 1
No such command
ddb> trace
ufs_direnter(fffff8806b448bf8,fffff88068112980,ffff8000318ad580,ffff8000318ad8b0,fffff88067310aa0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_mkdir(ffff8000318ad720) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179
VOP_MKDIR(fffff8806b448bf8,ffff8000318ad880,ffff8000318ad8b0,ffff8000318ad7b0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff80003c8eaa80,ffffff9c,7bb1ed93c140,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
syscall(ffff8000318ada20) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000318ada20) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bb1ed93c1e0, count: -6