uvm_fault(0xffffffff838fce98, 0xffff80001f3c200c, 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
*271823 6108 0 0 0x4000000 0K syz-executor
94571 61000 0 0x2 0x1 1 syz-executor
ufs_direnter(fffffd806ae57888,fffffd80684aba40,ffff8000317de388,ffff8000317de6e8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000317de560) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8,ffff8000317de5e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff8000357f3250,ffffff9c,200000000000,2000,285b9a) at domknodat+0x469 sys/kern/vfs_syscalls.c:1640
syscall(ffff8000317de880) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000317de880) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x49f5f6b4ab0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffffff838fce98, 0xffff80001f3c200c, 0, 1) -> d
ddb{0}> trace
ufs_direnter(fffffd806ae57888,fffffd80684aba40,ffff8000317de388,ffff8000317de6e8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000317de560) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8,ffff8000317de5e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff8000357f3250,ffffff9c,200000000000,2000,285b9a) at domknodat+0x469 sys/kern/vfs_syscalls.c:1640
syscall(ffff8000317de880) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000317de880) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x49f5f6b4ab0, count: -7
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff8000317de370
rbx 0xfffffd80097fb7b8
rdx 0xffff8000014b1b00
rcx 0xffff8000357f3250
rax 0xffffffff83799ff0 cpu_info_full_primary+0x1ff0
r8 0xffffffffffffffff
r9 0
r10 0x99f3eda2061019ec
r11 0xdf393cf1676dd262
r12 0xfffffd806b7f8700
r13 0xfffffd807e01a638
r14 0xffff80001f3c200c
r15 0
rip 0xffffffff81d2917b ufs_direnter+0x23b
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000317de2d0
ss 0
ufs_direnter+0x23b: movl 0(%r14),%r15d
ddb{0}> show proc
PROC (syz-executor) tid=271823 pid=6108 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000357f3a18,0xffff8000357f2a98
process=0xffff8000fffe5360 user=0xffff8000317d9000, vmspace=0xfffffd805da52030
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
51193 391499 15172 0 2 0 syz-executor
51193 505632 15172 0 3 0x4000080 fsleep syz-executor
81824 214801 21517 0 2 0 syz-executor
81824 58694 21517 0 3 0x4000080 fsleep syz-executor
6108 250552 20422 0 2 0 syz-executor
* 6108 271823 20422 0 7 0x4000000 syz-executor
76840 127727 90124 0 2 0 syz-executor
76840 91034 90124 0 3 0x4000080 fsleep syz-executor
76840 400098 90124 0 3 0x4000080 fsleep syz-executor
78761 269751 20134 0 2 0xc90 syz-executor
78761 249066 20134 0 3 0x4000090 ttyin syz-executor
78761 101886 20134 0 3 0x4000090 fsleep syz-executor
78761 423160 20134 0 3 0x4000090 fsleep syz-executor
50671 194298 0 0 3 0x14200 acct acct
21517 436595 72472 0 2 0xc82 syz-executor
20422 123358 72472 0 2 0xc82 syz-executor
61393 287421 0 0 3 0x14200 bored sosplice
91940 145543 72472 0 2 0xc82 syz-executor
61000 94571 72472 0 7 0x3 syz-executor
90124 30239 72472 0 2 0xc82 syz-executor
87438 478277 72472 0 2 0x2 syz-executor
20134 283745 72472 0 2 0xc82 syz-executor
15172 253138 72472 0 2 0xc82 syz-executor
72472 278750 98533 0 3 0x82 kqread syz-executor
98533 297456 94457 0 3 0x10008a sigsusp ksh
94457 62746 61295 0 3 0x98 kqread sshd-session
61295 231211 4083 0 3 0x92 kqread sshd-session
52283 42954 1 0 3 0x100083 ttyin getty
4083 442505 1 0 3 0x88 kqread sshd
80294 230677 4505 74 3 0x1100092 bpf pflogd
4505 162580 1 0 3 0x80 sbwait pflogd
5330 493889 18596 73 3 0x1100090 kqread syslogd
18596 77467 1 0 3 0x100082 sbwait syslogd
46376 348238 1 0 3 0x100080 kqread resolvd
75798 92898 86924 77 3 0x100092 kqread dhcpleased
67891 409298 86924 77 3 0x100092 kqread dhcpleased
86924 143843 1 0 3 0x80 kqread dhcpleased
72661 445894 0 0 3 0x14200 bored smr
98782 221036 0 0 2 0x14200 zerothread
55809 240524 0 0 3 0x14200 aiodoned aiodoned
81318 230630 0 0 3 0x14200 syncer update
16751 460836 0 0 3 0x14200 cleaner cleaner
78290 52640 0 0 3 0x14200 reaper reaper
71947 517605 0 0 3 0x14200 pgdaemon pagedaemon
9583 462006 0 0 3 0x14200 bored viomb
58398 59537 0 0 3 0x40014200 acpi0 acpi0
51807 266901 0 0 3 0x40014200 idle1
5480 438001 0 0 3 0x14200 bored softnet1
16732 340978 0 0 3 0x14200 bored softnet0
50539 455046 0 0 3 0x14200 bored systqmp
97010 408611 0 0 3 0x14200 bored systq
49215 191638 0 0 3 0x14200 tmoslp softclockmp
28921 491584 0 0 3 0x40014200 tmoslp softclock
7027 20300 0 0 3 0x40014200 idle0
1 406055 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 6108 (syz-executor) thread 0xffff8000357f3250 (271823)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838f9630)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#3 biowait+0xc6 sys/kern/vfs_bio.c:1242
#4 bwrite+0x2e7 sys/kern/vfs_bio.c:754
#5 ffs_update+0x2fe sys/ufs/ffs/ffs_inode.c:111
#6 ufs_makeinode+0x4b0 sys/ufs/ufs/ufs_vnops.c:1764
#7 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
#8 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
#9 domknodat+0x469 sys/kern/vfs_syscalls.c:1640
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e920480)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
#8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
#9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
#10 domknodat+0x469 sys/kern/vfs_syscalls.c:1640
#11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807e01a6d8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10226 11084K 12324K 166960K 12832 0
pcb 50 15K 16K 166960K 223 0
rtable 184 9K 9K 166960K 378 0
pf 31 17K 81K 166960K 166 0
ifaddr 34 6K 7K 166960K 77 0
ifgroup 47 2K 2K 166960K 114 0
sysctl 4 1K 9K 166960K 17 0
counters 64 36K 37K 166960K 140 0
ioctlops 0 0K 4K 166960K 1750 0
iov 0 0K 24K 166960K 43 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1515 95K 95K 166960K 2316 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 9 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 99 0
dirhash 12 2K 2K 166960K 27 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 236K 166960K 829 0
sigio 0 0K 0K 166960K 26 0
proc 72 115K 164K 166960K 651 0
subproc 72 4K 4K 166960K 90 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 111 0
in_multi 74 5K 7K 166960K 139 0
ether_multi 1 0K 0K 166960K 5 0
mrt 0 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 253 1129K 1129K 166960K 253 0
exec 0 0K 1K 166960K 487 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 236 175K 190K 166960K 9015 0
UVM aobj 17 2K 2K 166960K 17 0
pinsyscall 41 82K 100K 166960K 1999 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 0K 166960K 46 0
NDP 10 0K 2K 166960K 54 0
temp 64 8649K 8721K 166960K 30688 0
kqueue 14 22K 31K 166960K 185 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 91 0 88 1 0 1 1 0 8 0
rtentry 176 122 0 50 5 0 5 5 0 8 0
unpcb 144 656 0 638 4 2 2 4 0 8 1
syncache 336 7 0 7 2 1 1 1 0 8 1
tcpqe 32 2 0 2 2 1 1 1 0 8 1
tcpcb 736 237 0 227 7 0 7 7 0 8 6
arp 136 13 0 4 1 0 1 1 0 8 0
inpcb 328 759 0 712 12 5 7 7 0 8 2
nd6 144 23 0 8 1 0 1 1 0 8 0
pkpcb 40 3 0 3 3 2 1 1 0 8 1
kcovpl 48 10 0 2 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 31 0 31 2 1 1 1 0 8 1
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 6 0 1 1 0 1 1 0 482 0
pffrnode 88 6 0 1 1 0 1 1 0 8 0
pffrent 40 13 0 8 1 0 1 1 0 8 0
pfosfp 40 1428 0 1428 5 0 5 5 0 8 5
pfosfpen 112 1428 0 1428 21 0 21 21 0 8 21
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pfstitem 24 61 0 14 1 0 1 1 0 8 0
pfstkey 128 65 0 18 2 0 2 2 0 8 0
pfstate 384 63 0 16 5 0 5 5 0 8 0
pfrule 1344 23 0 17 2 0 2 2 0 8 0
rttmr 136 2 0 2 2 2 0 1 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 543 0 209 30 2 28 29 0 8 2
art_table 40 547 0 209 5 0 5 5 0 8 0
art_node 32 122 0 58 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 95 0 85 1 0 1 1 0 8 0
shmpl 112 14 0 0 1 0 1 1 0 8 0
dirhash 1024 27 0 10 3 0 3 3 0 8 0
dino2pl 256 2865 0 1361 95 0 95 95 0 8 0
ffsino 296 2865 0 1361 117 0 117 117 0 8 0
nchpl 144 4008 0 2306 64 0 64 64 0 8 0
rtmask 32 7 0 7 2 1 1 1 0 8 1
uvmvnodes 80 3586 0 0 74 0 74 74 0 8 0
vnodes 216 3586 0 0 200 0 200 200 0 8 0
namei 1024 14539 0 14538 1 0 1 1 0 8 0
percpumem 16 85 0 38 1 0 1 1 0 8 0
kstatmem 264 70 0 48 3 1 2 3 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 21086 0 21086 12 9 3 8 1 8 3
plimitpl 152 257 0 239 1 0 1 1 0 8 0
sigapl 424 1119 0 1071 7 1 6 7 0 8 0
knotepl 120 560 0 0 17 0 17 17 0 8 0
kqueuepl 224 509 0 433 9 2 7 7 0 8 2
pipepl 344 253 0 226 9 0 9 9 0 8 5
fdescpl 528 1101 0 1071 3 0 3 3 0 8 0
filepl 160 7226 0 6890 24 5 19 20 0 8 4
lockfpl 104 486 0 484 2 1 1 2 0 8 0
lockfspl 48 136 0 134 1 0 1 1 0 8 0
sessionpl 144 28 0 19 1 0 1 1 0 8 0
pgrppl 48 49 0 32 1 0 1 1 0 8 0
ucredpl 104 1259 0 1245 1 0 1 1 0 8 0
zombiepl 144 1072 0 1071 2 1 1 1 0 8 0
processpl 1232 1119 0 1071 5 0 5 5 0 8 0
procpl 664 2298 0 2242 6 0 6 6 0 8 0
sosppl 168 4 0 4 2 2 0 1 0 8 0
sockpl 752 1529 0 1461 19 8 11 17 0 8 3
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 111 0 0 14 0 14 14 0 8 0
mcl2k 2048 41 0 0 6 0 6 6 0 8 0
mtagpl 96 5 0 0 1 0 1 1 0 8 0
mbufpl 256 219 0 0 14 0 14 14 0 8 0
bufpl 280 9501 0 3358 439 0 439 439 0 8 0
anonpl 32 10481 0 0 86 1 85 85 0 246 0
amapchunkpl 152 30484 0 30013 36 7 29 33 0 158 6
amappl16 200 4617 0 4585 30 17 13 19 0 8 4
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 130 0 118 1 0 1 1 0 8 0
amappl13 176 8 0 8 2 2 0 1 0 8 0
amappl12 168 1800 0 1769 3 1 2 2 0 8 0
amappl11 160 57 0 43 1 0 1 1 0 8 0
amappl10 152 4 0 4 1 1 0 1 0 8 0
amappl9 144 279 0 278 2 1 1 1 0 8 0
amappl8 136 50 0 48 1 0 1 1 0 8 0
amappl7 128 146 0 133 1 0 1 1 0 8 0
amappl6 120 206 0 202 1 0 1 1 0 8 0
amappl5 112 131 0 121 1 0 1 1 0 8 0
amappl4 104 325 0 306 1 0 1 1 0 8 0
amappl3 96 5110 0 5017 4 1 3 3 0 8 0
amappl2 88 1369 0 1291 2 0 2 2 0 8 0
amappl1 80 12097 0 11502 15 1 14 15 0 8 0
amappl 88 8143 0 7982 5 0 5 5 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 128 254 0 254 2 2 0 1 0 8 0
dma64 64 7 0 7 2 2 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 16 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1101 0 1071 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1101 0 1071 1 0 1 1 0 8 0
vmmpekpl 168 10956 0 10911 3 0 3 3 0 8 0
vmmpepl 168 76659 0 74722 112 9 103 104 0 357 1
vmsppl 488 1100 0 1071 7 2 5 5 0 8 0
rwobjpl 80 26976 0 22446 98 0 98 98 0 8 0
pdppl 4096 2210 0 2142 108 34 74 84 0 8 6
pvpl 32 19531 0 0 158 0 158 158 0 265 0
pmappl 256 1100 0 1071 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 294 0 40 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ufs_direnter(fffffd806ae57888,fffffd80684aba40,ffff8000317de388,ffff8000317de6e8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff8000317de560) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd806ae57888,ffff8000317de6b8,ffff8000317de6e8,ffff8000317de5e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff8000357f3250,ffffff9c,200000000000,2000,285b9a) at domknodat+0x469 sys/kern/vfs_syscalls.c:1640
syscall(ffff8000317de880) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000317de880) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x49f5f6b4ab0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838f9428) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff838f9428) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165
ktrsysret(ffff80002a270548,88,16,ffff80002a3ae190) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff80002a270548,88,16,ffff80002a3ae190) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a3ae240) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a3ae240) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:767
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x789607af2ec0, count: 8
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838f9428) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff838f9428) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165
ktrsysret(ffff80002a270548,88,16,ffff80002a3ae190) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff80002a270548,88,16,ffff80002a3ae190) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a3ae240) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a3ae240) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:767
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x789607af2ec0, count: -7