login: *@ *A\mtiS *m& K,C,Դ5IőB@~m6KԐu 8o_YS*XMX31|cQg=X`8A\mtiS *m& K,C,Դ5IőB@~m6KԐu 8o_YS*XMX31|cQg=X`8uvm_fault(0xffffffff83a751d8, 0xffff800023452018, 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
*405740 68950 0 0 0x4000000 0 syz-executor
ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659
syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5603fa36c80, count: 8
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(0xffffffff83a751d8, 0xffff800023452018, 0, 1) -> d
ddb> trace
ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659
syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5603fa36c80, count: -7
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000338e7770
rbx 0xfffffd8007ffd958
rdx 0xffff8000015dc180
rcx 0x4ce
rax 0xffff80002a810fb8
r8 0xffffffffffffffff
r9 0
r10 0xbf747e68211cd49b
r11 0x3bdc4db2f542ecb3
r12 0xfffffd8067457400
r13 0xfffffd806f65fb00
r14 0xffff800023452018
r15 0
rip 0xffffffff81aa7a3b ufs_direnter+0x23b
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000338e76d0
ss 0x10
ufs_direnter+0x23b: movl 0(%r14),%r15d
ddb> show proc
PROC (syz-executor) tid=405740 pid=68950 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a811cb0,0xffff80002a811a28
process=0xffff80002f0dad18 user=0xffff8000338e2000, vmspace=0xfffffd806d805468
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
40156 384619 14452 0 2 0 syz-executor
40156 121585 14452 0 2 0x4000000 syz-executor
1459 284925 84394 0 2 0 syz-executor
1459 424992 84394 0 3 0x4000080 fsleep syz-executor
68950 386047 42919 0 2 0 syz-executor
*68950 405740 42919 0 7 0x4000000 syz-executor
11640 147453 90389 0 2 0 syz-executor
11640 155384 90389 0 3 0x4000080 fsleep syz-executor
11640 282939 90389 0 3 0x4000080 fsleep syz-executor
13996 122570 61131 0 2 0 syz-executor
13996 272940 61131 0 3 0x4000080 rest syz-executor
13996 78995 61131 0 3 0x4000080 fsleep syz-executor
84383 227188 13536 0 2 0xc80 syz-executor
84383 255442 13536 0 3 0x4000080 lockf syz-executor
84383 509948 13536 0 3 0x4000080 fsleep syz-executor
40305 67269 1 0 3 0x80 nanoslp init
53107 342822 0 0 3 0x14280 nfsidl nfsio
16747 457412 0 0 3 0x14280 nfsidl nfsio
35589 266362 0 0 3 0x14280 nfsidl nfsio
6758 166128 0 0 3 0x14280 nfsidl nfsio
22670 423464 0 0 3 0x14280 nfsidl nfsio
7110 444828 0 0 3 0x14280 nfsidl nfsio
31469 434576 0 0 3 0x14280 nfsidl nfsio
46455 272176 0 0 3 0x14280 nfsidl nfsio
15045 135134 0 0 3 0x14280 nfsidl nfsio
1049 26957 0 0 3 0x14280 nfsidl nfsio
85130 86391 0 0 3 0x14280 nfsidl nfsio
43565 309220 0 0 3 0x14280 nfsidl nfsio
66146 55882 0 0 3 0x14280 nfsidl nfsio
20376 89153 0 0 3 0x14280 nfsidl nfsio
10494 34337 0 0 3 0x14280 nfsidl nfsio
75844 497157 0 0 3 0x14280 nfsidl nfsio
58545 218891 0 0 3 0x14280 nfsidl nfsio
45706 383185 0 0 3 0x14280 nfsidl nfsio
63136 464931 0 0 3 0x14280 nfsidl nfsio
2900 86853 0 0 3 0x14280 nfsidl nfsio
66918 146399 0 0 3 0x14200 acct acct
61131 416044 44961 0 2 0xc82 syz-executor
93484 425159 44961 0 2 0xc82 syz-executor
13536 74873 44961 0 2 0xc82 syz-executor
90389 484511 44961 0 2 0x2 syz-executor
14452 384776 44961 0 3 0x82 nanoslp syz-executor
42919 37620 44961 0 2 0xc82 syz-executor
84394 304259 44961 0 2 0xc82 syz-executor
81571 252258 44961 0 2 0xc82 syz-executor
44961 197501 64715 0 3 0x82 kqread syz-executor
64715 233154 99984 0 3 0x10008a sigsusp ksh
99984 249197 72280 0 3 0x98 kqread sshd-session
72280 452962 41210 0 3 0x92 kqread sshd-session
41210 188633 1 0 3 0x88 kqread sshd
34807 488831 17838 73 3 0x1100090 kqread syslogd
17838 163168 1 0 3 0x100082 sbwait syslogd
15125 403682 1 0 3 0x100080 kqread resolvd
43475 23332 23698 77 3 0x100092 kqread dhcpleased
96727 33385 23698 77 3 0x100092 kqread dhcpleased
23698 469859 1 0 3 0x80 kqread dhcpleased
13539 476374 0 0 3 0x14200 bored smr
63186 278202 0 0 2 0x14200 zerothread
47311 245614 0 0 3 0x14200 aiodoned aiodoned
89675 183400 0 0 3 0x14200 syncer update
54196 36971 0 0 3 0x14200 cleaner cleaner
3239 228877 0 0 3 0x14200 reaper reaper
51369 395060 0 0 3 0x14200 pgdaemon pagedaemon
93875 290704 0 0 3 0x14200 bored viomb
24231 30668 0 0 3 0x40014200 acpi0 acpi0
96167 269027 0 0 2 0x14200 softnet0
54298 68180 0 0 3 0x14200 bored systqmp
76402 374577 0 0 3 0x14200 bored systq
23580 350833 0 0 3 0x40014200 tmoslp softclock
87802 413082 0 0 3 0x40014200 idle0
1 177295 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 11085 12201K 12440K 166960K 12859 0
pcb 17 12K 12K 166960K 114 0
rtable 172 6K 8K 166960K 479 0
pf 34 13K 20K 166960K 106 0
ifaddr 35 5K 8K 166960K 64 0
ifgroup 54 2K 2K 166960K 102 0
sysctl 4 1K 9K 166960K 10 0
counters 36 18K 18K 166960K 47 0
ioctlops 0 0K 4K 166960K 138 0
iov 0 0K 16K 166960K 22 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1322 83K 84K 166960K 1912 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 11 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 35 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 93K 166960K 715 0
sigio 0 0K 0K 166960K 38 0
proc 51 50K 100K 166960K 580 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 76 0
in_multi 66 4K 7K 166960K 140 0
ether_multi 1 0K 0K 166960K 7 0
mrt 0 0K 0K 166960K 18 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 241 1076K 1076K 166960K 241 0
exec 0 0K 1K 166960K 440 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 1K 166960K 3 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 222 146K 160K 166960K 8011 0
UVM aobj 17 2K 4K 166960K 19 0
pinsyscall 38 76K 94K 166960K 1837 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 32 0
NDP 13 0K 2K 166960K 41 0
temp 57 9071K 9151K 166960K 30592 0
kqueue 14 22K 28K 166960K 112 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 83 0 80 1 0 1 1 0 8 0
rtentry 136 135 0 68 4 0 4 4 0 8 0
unpcb 144 394 0 377 3 0 3 3 0 8 2
syncache 336 3 0 3 1 1 0 1 0 8 0
tcpcb 736 205 0 200 4 0 4 4 0 8 3
arp 96 21 0 10 1 0 1 1 0 8 0
ipq 40 4 0 0 1 0 1 1 0 8 0
ipqe 40 4 0 0 1 0 1 1 0 8 0
inpcb 328 540 0 531 7 0 7 7 0 8 5
ip6q 72 2 0 0 1 0 1 1 0 8 0
ip6af 40 4 0 0 1 0 1 1 0 8 0
nd6 112 30 0 13 1 0 1 1 0 8 0
pkpcb 40 40 0 40 2 1 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1072 4 0 2 2 1 1 1 0 8 0
pppxif 1416 2 0 1 2 1 1 1 0 8 0
pfosfp 40 1 0 0 1 0 1 1 0 8 0
pfosfpen 112 1 0 0 1 0 1 1 0 8 0
pfrktable 1344 2 0 2 1 0 1 1 0 8 1
pfanchor 1288 5 0 2 1 0 1 1 0 8 0
pfrule 1360 6 0 5 1 0 1 1 0 8 0
rttmr 136 2 0 2 2 1 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 560 0 229 29 5 24 29 0 8 1
art_table 40 562 0 229 5 0 5 5 0 8 0
art_node 32 131 0 71 1 0 1 1 0 8 0
sysvmsgpl 40 15 0 6 2 1 1 1 0 8 0
semapl 112 32 0 22 1 0 1 1 0 8 0
shmpl 112 16 0 2 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 2666 0 1210 92 0 92 92 0 8 0
ffsino 256 2666 0 1210 92 0 92 92 0 8 0
nchpl 144 3669 0 1965 64 0 64 64 0 8 0
vnodes 216 3037 0 0 169 0 169 169 0 8 0
namei 1024 11762 0 11761 2 1 1 2 0 8 0
kstatmem 264 46 0 20 2 0 2 2 0 8 0
scsiplug 72 2 0 2 1 0 1 1 0 8 1
scxspl 216 17649 0 17649 15 7 8 8 1 8 8
plimitpl 152 176 0 161 1 0 1 1 0 8 0
sigapl 424 1030 0 966 9 1 8 8 0 8 0
knotepl 120 24025 0 23975 24 13 11 16 0 8 8
kqueuepl 184 236 0 225 4 0 4 4 0 8 3
pipepl 304 188 0 161 5 0 5 5 0 8 2
fdescpl 448 995 0 965 5 1 4 5 0 8 0
filepl 120 5401 0 5182 12 1 11 11 0 8 2
lockfpl 104 314 0 309 1 0 1 1 0 8 0
lockfspl 48 115 0 111 1 0 1 1 0 8 0
sessionpl 144 46 0 39 1 0 1 1 0 8 0
pgrppl 48 60 0 45 1 0 1 1 0 8 0
ucredpl 104 1065 0 1054 1 0 1 1 0 8 0
zombiepl 144 968 0 966 1 0 1 1 0 8 0
processpl 1152 1030 0 966 5 0 5 5 0 8 0
procpl 664 1895 0 1822 7 0 7 7 0 8 0
sosppl 176 3 0 3 2 1 1 1 0 8 1
sockpl 552 1073 0 1044 8 0 8 8 0 8 5
mcl64k 65536 92 0 91 2 1 1 1 0 8 0
mcl16k 16384 6 0 6 2 1 1 1 0 8 1
mcl12k 12288 2 0 2 1 0 1 1 0 8 1
mcl9k 9216 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 16 0 16 2 1 1 1 0 8 1
mcl4k 4096 3318 0 3264 16 7 9 15 0 8 1
mcl2k2 2112 3 0 3 1 1 0 1 0 8 0
mcl2k 2048 630 0 626 5 2 3 3 0 8 2
mtagpl 96 20 0 7 1 0 1 1 0 8 0
mbufpl 256 9655 0 9487 15 1 14 15 0 8 1
bufpl 280 7693 0 1478 445 0 445 445 0 8 0
anonpl 24 177389 0 173923 82 20 62 62 0 187 22
amapchunkpl 152 26027 0 25535 35 8 27 28 0 158 7
amappl16 200 3820 0 3769 35 19 16 22 0 8 8
amappl15 192 1 0 1 1 1 0 1 0 8 0
amappl14 184 423 0 422 1 0 1 1 0 8 0
amappl13 176 116 0 107 1 0 1 1 0 8 0
amappl12 168 1237 0 1209 2 0 2 2 0 8 0
amappl11 160 10 0 10 1 1 0 1 0 8 0
amappl10 152 58 0 48 1 0 1 1 0 8 0
amappl9 144 265 0 265 1 1 0 1 0 8 0
amappl8 136 101 0 100 1 0 1 1 0 8 0
amappl7 128 148 0 137 1 0 1 1 0 8 0
amappl6 120 162 0 160 1 0 1 1 0 8 0
amappl5 112 89 0 81 1 0 1 1 0 8 0
amappl4 104 274 0 257 1 0 1 1 0 8 0
amappl3 96 5102 0 4990 4 0 4 4 0 8 0
amappl2 88 528 0 472 2 0 2 2 0 8 0
amappl1 80 11564 0 11038 12 0 12 12 0 8 0
amappl 88 7228 0 7064 5 0 5 5 0 92 0
uvmvnodes 80 110 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1
dma128 128 255 0 255 2 1 1 1 0 8 1
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 18 0 2 1 0 1 1 0 8 0
uaddrrnd 24 995 0 965 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 995 0 965 1 0 1 1 0 8 0
vmmpekpl 168 8791 0 8753 3 0 3 3 0 8 0
vmmpepl 168 69857 0 68036 108 10 98 98 0 357 10
vmsppl 368 994 0 965 4 1 3 4 0 8 0
rwobjpl 40 20934 0 19975 15 1 14 14 0 8 0
pdppl 4096 1996 0 1930 100 34 66 80 0 8 0
pvpl 32 461292 0 452061 147 17 130 130 0 265 25
pmappl 216 994 0 965 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 381 0 58 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659
syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5603fa36c80, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659
syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5603fa36c80, count: -7