uvm_fault(0xffffffff82b29970, 0xffff80000a6cf004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs_nodealloccg+0xf0: movl 0x4(%r14),%ebx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 70946 86908 0 0 0x4000000 0K syz-executor.1
149132 9485 0 0 0x4000000 1 syz-executor.2
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 ffs_cgread sys/ufs/ffs/ffs_alloc.c:857 [inline]
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 sys/ufs/ffs/ffs_alloc.c:1114
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline]
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a sys/ufs/ffs/ffs_alloc.c:391
ufs_makeinode(2000,fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0) at ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830
ufs_mknod(ffff80002465e460) at ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:172
VOP_MKNOD(fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0,ffff80002465e4f0) at VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
domknodat(ffff800021142a88,ffffff9c,20000080,80002000,1604) at domknodat+0x326 sys/kern/vfs_syscalls.c:1629
syscall(ffff80002465e790) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002465e790) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x134f6b07b60, count: 7
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffffff82b29970, 0xffff80000a6cf004, 0, 1) -> d
ddb{0}> trace
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 ffs_cgread sys/ufs/ffs/ffs_alloc.c:857 [inline]
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 sys/ufs/ffs/ffs_alloc.c:1114
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline]
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a sys/ufs/ffs/ffs_alloc.c:391
ufs_makeinode(2000,fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0) at ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830
ufs_mknod(ffff80002465e460) at ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:172
VOP_MKNOD(fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0,ffff80002465e4f0) at VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
domknodat(ffff800021142a88,ffffff9c,20000080,80002000,1604) at domknodat+0x326 sys/kern/vfs_syscalls.c:1629
syscall(ffff80002465e790) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002465e790) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x134f6b07b60, count: -8
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002465e1d0
rbx 0
rdx 0
rcx 0xfffffd8074ffeee8
rax 0xffff800021142a88
r8 0xffffffffffffffff
r9 0xfffffd807f7d8540
r10 0x3a47cf4778952bee
r11 0xa7267d2a9075a464
r12 0xfffffd80563b89a0
r13 0x2
r14 0xffff80000a6cf000
r15 0xfffffd806efc2a50
rip 0xffffffff81d75270 ffs_nodealloccg+0xf0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002465e120
ss 0x10
ffs_nodealloccg+0xf0: movl 0x4(%r14),%ebx
ddb{0}> show proc
PROC (syz-executor.1) pid=70946 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=82, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff8000211577a8,0xffff8000ffff4010
process=0xffff80002e3f3200 user=0xffff800024659000, vmspace=0xfffffd8077862cf8
estcpu=32, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
86427 93841 89300 0 2 0 syz-executor.7
34470 405002 94796 0 2 0 syz-executor.3
34470 404776 94796 0 2 0x4000000 syz-executor.3
58481 375209 90337 0 2 0 syz-executor.0
58481 258753 90337 0 3 0x4000080 fsleep syz-executor.0
3780 506231 55343 0 2 0 syz-executor.5
3780 280 55343 0 2 0x4000000 syz-executor.5
86908 471242 50023 0 2 0 syz-executor.1
*86908 70946 50023 0 7 0x4000000 syz-executor.1
32242 346157 6214 0 2 0 syz-executor.6
32242 486284 6214 0 2 0x4000000 syz-executor.6
86251 390662 88596 0 2 0 syz-executor.4
9485 302604 51858 0 2 0 syz-executor.2
9485 149132 51858 0 7 0x4000000 syz-executor.2
51858 2214 13675 0 2 0x482 syz-executor.2
88596 122320 13675 0 2 0x2 syz-executor.4
6214 220807 13675 0 3 0x82 nanoslp syz-executor.6
50023 169156 13675 0 2 0x482 syz-executor.1
55343 296237 13675 0 2 0x2 syz-executor.5
94796 238152 13675 0 3 0x82 nanoslp syz-executor.3
90337 412233 13675 0 2 0x482 syz-executor.0
89300 82175 13675 0 2 0x482 syz-executor.7
81818 440339 0 0 3 0x14280 nfsidl nfsio
42687 133173 0 0 3 0x14280 nfsidl nfsio
69584 287615 0 0 3 0x14280 nfsidl nfsio
43157 11892 0 0 3 0x14280 nfsidl nfsio
47246 93524 0 0 3 0x14280 nfsidl nfsio
8526 503779 0 0 3 0x14280 nfsidl nfsio
13087 239546 0 0 3 0x14280 nfsidl nfsio
13541 103518 0 0 3 0x14280 nfsidl nfsio
52877 450311 0 0 3 0x14280 nfsidl nfsio
65113 479541 0 0 3 0x14280 nfsidl nfsio
75668 339831 0 0 3 0x14280 nfsidl nfsio
32197 271104 0 0 3 0x14280 nfsidl nfsio
42882 445182 0 0 3 0x14280 nfsidl nfsio
97059 190442 0 0 3 0x14280 nfsidl nfsio
53162 517276 0 0 3 0x14280 nfsidl nfsio
53805 87838 0 0 3 0x14280 nfsidl nfsio
63484 379943 0 0 3 0x14280 nfsidl nfsio
79202 332260 0 0 3 0x14280 nfsidl nfsio
86011 370126 0 0 3 0x14280 nfsidl nfsio
59751 171221 0 0 3 0x14280 nfsidl nfsio
31009 294219 1 0 3 0x100083 ttyin getty
47703 521757 0 0 3 0x14200 bored sosplice
96356 312709 0 0 3 0x14200 acct acct
13675 268998 29880 0 3 0x82 thrsleep syz-fuzzer
13675 106555 29880 0 3 0x4000082 thrsleep syz-fuzzer
13675 440400 29880 0 3 0x4000082 kqread syz-fuzzer
13675 46827 29880 0 3 0x4000082 thrsleep syz-fuzzer
13675 479275 29880 0 3 0x4000082 thrsleep syz-fuzzer
13675 365013 29880 0 3 0x4000082 thrsleep syz-fuzzer
13675 364639 29880 0 3 0x4000082 thrsleep syz-fuzzer
13675 151304 29880 0 3 0x4000082 thrsleep syz-fuzzer
29880 455653 78788 0 3 0x10008a sigsusp ksh
78788 187057 33309 0 3 0x9a poll sshd
33309 434223 1 0 3 0x88 poll sshd
7282 243254 8296 74 3 0x100092 bpf pflogd
8296 512791 1 0 3 0x80 netio pflogd
30439 363592 85746 73 3 0x100090 kqread syslogd
85746 227025 1 0 3 0x100082 netio syslogd
85341 282142 1 0 3 0x100080 kqread resolvd
56850 300273 36606 77 3 0x100092 kqread dhcpleased
14338 377526 36606 77 3 0x100092 kqread dhcpleased
36606 75669 1 0 3 0x80 kqread dhcpleased
21331 469915 0 0 3 0x14200 bored smr
4303 319930 0 0 2 0x14200 zerothread
96648 445558 0 0 3 0x14200 aiodoned aiodoned
86911 152337 0 0 3 0x14200 syncer update
47005 255322 0 0 3 0x14200 cleaner cleaner
84739 156170 0 0 3 0x14200 reaper reaper
28391 299587 0 0 3 0x14200 pgdaemon pagedaemon
96980 427678 0 0 3 0x14200 bored viomb
97736 49192 0 0 3 0x40014200 acpi0 acpi0
28928 135117 0 0 3 0x40014200 idle1
9940 54155 0 0 3 0x14200 bored softnet
44978 207596 0 0 3 0x14200 bored systqmp
88716 514212 0 0 3 0x14200 bored systq
11671 261619 0 0 2 0x40014200 softclock
59674 452549 0 0 3 0x40014200 idle0
1 98404 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 86908 (syz-executor.1) thread 0xffff800021142a88 (70946)
exclusive rrwlock inode r = 0 (0xfffffd80563b8a38)
#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 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domknodat+0x92 sys/kern/vfs_syscalls.c:1581
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82aa6758)
#0 witness_lock+0x44d
#1 syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
Process 9485 (syz-executor.2) thread 0xffff8000211577a8 (149132)
shared rwlock vmmaplk r = 0 (0xfffffd8070317328)
#0 witness_lock+0x44d
#1 uvmfault_lookup+0xe9 sys/uvm/uvm_fault.c:1744
#2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674
#3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602
#4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
#6 recall_trap+0x8
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10241 6531K 7114K 78643K 75720 0
pcb 13 26K 29K 78643K 8026 0
rtable 276 25K 25K 78643K 11275 0
ifaddr 117 30K 34K 78643K 3705 0
sysctl 3 1K 5K 78643K 14 0
counters 58 35K 36K 78643K 944 0
ioctlops 0 0K 8K 78643K 10751 0
iov 0 0K 32K 78643K 3935 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1680 105K 105K 78643K 25218 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 13K 78643K 437 0
VM map 2 1K 1K 78643K 2 0
sem 23 21K 41K 78643K 2146 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 18 65K 81K 78643K 43922 0
sigio 0 0K 0K 78643K 646 0
proc 77 87K 124K 78643K 6343 0
subproc 104 6K 10K 78643K 2055 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 2988 0
in_multi 92 6K 7K 78643K 2818 0
ether_multi 1 0K 0K 78643K 430 0
mrt 1 0K 0K 78643K 186 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 325 1447K 1447K 78643K 325 0
exec 0 0K 2K 78643K 8610 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 1005 2958K 2961K 78643K 557519 0
UVM aobj 131 8K 8K 78643K 149 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 2474 0
NDP 16 0K 1K 78643K 812 0
temp 160 4720K 8816K 78643K 409231 0
kqueue 10 14K 24K 78643K 2427 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 5388 0 5385 66 65 1 5 0 8 0
rtentry 112 2516 0 2413 5 1 4 4 0 8 0
unpcb 136 24063 0 24046 258 253 5 12 0 8 4
syncache 296 122 0 122 35 35 0 1 0 8 0
tcpqe 32 816 0 816 21 21 0 1 0 8 0
tcpcb 736 15179 0 15174 526 519 7 20 0 8 6
arp 120 504 0 486 1 0 1 1 0 8 0
inpcb 304 74157 0 74031 695 679 16 24 0 8 5
rttmr 72 49 0 49 19 19 0 1 0 8 0
ip6q 72 11 0 11 3 3 0 1 0 8 0
ip6af 40 33 0 33 3 3 0 1 0 8 0
nd6 48 549 0 525 1 0 1 1 0 8 0
pkpcb 40 315 0 315 17 17 0 1 0 8 0
kcovpl 48 149 0 141 1 0 1 1 0 8 0
ppxss 1248 80 0 80 24 24 0 1 0 8 0
pfstscr 40 39 0 39 8 8 0 1 0 8 0
pffrag 232 259 0 258 14 13 1 1 0 482 0
pffrnode 88 258 0 257 14 13 1 1 0 8 0
pffrent 40 2571 0 2570 17 16 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
pfrke_plain 168 39 0 33 4 3 1 1 0 8 0
pfrktable 1344 1865 0 1849 4 2 2 2 0 8 0
pftag 88 11 0 3 1 0 1 1 0 8 0
pfqueue 264 2 0 0 1 0 1 1 0 8 0
pfstitem 24 40 0 38 1 0 1 1 0 8 0
pfstkey 112 78 0 76 1 0 1 1 0 8 0
pfstate 320 48 0 46 2 1 1 2 0 8 0
pfsrctr 152 60 0 60 3 3 0 1 0 8 0
pfrule 1360 1090 0 939 17 4 13 13 0 8 0
art_heap8 4096 8 0 7 4 3 1 3 0 8 0
art_heap4 256 9832 0 9407 60 30 30 34 0 8 0
art_table 32 9840 0 9414 5 1 4 5 0 8 0
art_node 16 2515 0 2424 1 0 1 1 0 8 0
sysvmsgpl 40 12 0 5 1 0 1 1 0 8 0
semupl 112 4 0 4 2 2 0 1 0 8 0
semapl 112 2133 0 2112 1 0 1 1 0 8 0
shmpl 112 146 0 18 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 59831 0 58191 103 0 103 103 0 8 0
ffsino 272 59831 0 58191 110 0 110 110 0 8 0
nchpl 144 116864 0 115238 63 0 63 63 0 8 0
rtmask 32 22 0 20 4 3 1 1 0 8 0
uvmvnodes 80 6169 0 0 126 0 126 126 0 8 0
vnodes 224 6169 0 0 363 0 363 363 0 8 0
namei 1024 417024 0 417023 15 14 1 2 0 8 0
percpumem 16 484 0 443 1 0 1 1 0 8 0
vcpupl 2048 369 0 1 46 0 46 46 0 8 0
vmpool 560 419 0 51 29 2 27 27 0 8 0
pfiaddrpl 120 557 0 522 8 6 2 2 0 8 0
scsiplug 72 17 0 17 8 7 1 1 0 8 1
scxspl 216 346664 0 346664 84 82 2 7 0 8 2
plimitpl 152 4551 0 4536 1 0 1 1 0 8 0
sigapl 424 43984 0 43917 9 1 8 8 0 8 0
futexpl 64 369593 0 369592 5 4 1 1 0 8 0
knotepl 112 413 0 0 5 1 4 4 0 8 0
kqueuepl 216 10179 0 10166 197 192 5 9 0 8 3
pipepl 336 19248 0 19220 349 341 8 13 0 8 5
fdescpl 496 43928 0 43897 5 1 4 5 0 8 0
filepl 152 338348 0 338107 533 515 18 28 0 8 8
lockfpl 104 10194 0 10192 19 18 1 4 0 8 0
lockfspl 48 3078 0 3076 1 0 1 1 0 8 0
sessionpl 144 170 0 153 1 0 1 1 0 8 0
pgrppl 48 304 0 287 1 0 1 1 0 8 0
ucredpl 96 36311 0 36294 1 0 1 1 0 8 0
zombiepl 144 43917 0 43917 7 6 1 1 0 8 1
processpl 1064 43984 0 43917 5 0 5 5 0 8 0
procpl 672 126403 0 126323 58 49 9 9 0 8 1
srpgc 96 182 0 182 41 41 0 1 0 8 0
sosppl 168 290 0 290 56 56 0 1 0 8 0
sockpl 480 104374 0 104228 1970 1943 27 68 0 8 8
mcl64k 65536 131 0 0 5 2 3 3 0 8 0
mcl16k 16384 97 0 0 11 9 2 3 0 8 0
mcl12k 12288 113 0 0 4 2 2 2 0 8 0
mcl9k 9216 65 0 0 2 0 2 2 0 8 0
mcl8k 8192 75 0 0 6 3 3 3 0 8 0
mcl4k 4096 74 0 0 4 1 3 3 0 8 0
mcl2k2 2112 23 0 0 2 0 2 2 0 8 0
mcl2k 2048 847 0 0 28 1 27 27 0 8 0
mtagpl 96 1937 0 0 17 0 17 17 0 8 0
mbufpl 256 10356 0 0 588 0 588 588 0 8 0
bufpl 288 72833 0 66650 453 7 446 453 0 8 0
anonpl 24 12501908 0 12478395 522 366 156 170 0 186 1
amapchunkpl 152 1398663 0 1397743 299 259 40 58 0 158 0
amappl16 200 113269 0 112315 331 275 56 64 0 8 0
amappl15 192 5833 0 5827 1 0 1 1 0 8 0
amappl14 184 5478 0 5474 2 1 1 1 0 8 0
amappl13 176 7515 0 7513 1 0 1 1 0 8 0
amappl12 168 2002 0 1991 1 0 1 1 0 8 0
amappl11 160 5351 0 5335 2 1 1 2 0 8 0
amappl10 152 8404 0 8395 1 0 1 1 0 8 0
amappl9 144 5686 0 5680 1 0 1 1 0 8 0
amappl8 136 10772 0 10546 11 2 9 9 0 8 0
amappl7 128 7196 0 7184 1 0 1 1 0 8 0
amappl6 120 5871 0 5832 4 2 2 2 0 8 0
amappl5 112 41176 0 41154 1 0 1 1 0 8 0
amappl4 104 15525 0 15477 2 0 2 2 0 8 0
amappl3 96 9303 0 9290 1 0 1 1 0 8 0
amappl2 88 11883 0 11801 3 1 2 3 0 8 0
amappl1 80 794453 0 793871 38 24 14 19 0 8 1
amappl 88 553563 0 553074 13 1 12 12 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 72 148 0 18 3 0 3 3 0 8 0
uaddrrnd 24 44347 0 43948 3 0 3 3 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 44347 0 43948 3 0 3 3 0 8 0
vmmpekpl 168 355028 0 354919 7 1 6 6 0 8 0
vmmpepl 168 4036974 0 4033064 770 579 191 239 0 357 6
vmsppl 368 44346 0 43948 37 0 37 37 0 8 0
rwobjpl 56 960871 0 952209 182 56 126 127 0 8 0
pdppl 4096 88701 0 88264 1889 1452 437 439 0 8 0
pvpl 32 21047045 0 21021636 903 672 231 290 0 265 0
pmappl 248 44346 0 43948 25 0 25 25 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 4257 0 2388 55 1 54 54 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 ffs_cgread sys/ufs/ffs/ffs_alloc.c:857 [inline]
ffs_nodealloccg(fffffd80563b89a0,2,cb37,2000) at ffs_nodealloccg+0xf0 sys/ufs/ffs/ffs_alloc.c:1114
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline]
ffs_inode_alloc(fffffd80563b89a0,2000,fffffd807f7d8540,ffff80002465e3a8) at ffs_inode_alloc+0x16a sys/ufs/ffs/ffs_alloc.c:391
ufs_makeinode(2000,fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0) at ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830
ufs_mknod(ffff80002465e460) at ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:172
VOP_MKNOD(fffffd80651ee3b0,ffff80002465e5c0,ffff80002465e5f0,ffff80002465e4f0) at VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121
domknodat(ffff800021142a88,ffffff9c,20000080,80002000,1604) at domknodat+0x326 sys/kern/vfs_syscalls.c:1629
syscall(ffff80002465e790) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002465e790) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x134f6b07b60, count: -8
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020ce8ff0) 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(ffffffff82aa6550) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82aa6550) at __mp_lock+0x122 sys/kern/kern_lock.c:147
uvm_fault(fffffd8070317310,d610a211000,0,2) at uvm_fault+0x191 sys/uvm/uvm_fault.c:624
upageflttrap(ffff800024658f00,d610a211000) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff800024658f00) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xd612ca19650, count: 7
ddb{1}> trace
x86_ipi_db(ffff800020ce8ff0) 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(ffffffff82aa6550) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82aa6550) at __mp_lock+0x122 sys/kern/kern_lock.c:147
uvm_fault(fffffd8070317310,d610a211000,0,2) at uvm_fault+0x191 sys/uvm/uvm_fault.c:624
upageflttrap(ffff800024658f00,d610a211000) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff800024658f00) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xd612ca19650, count: -8