panic: init died (signal 0, exit 11)
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
356954 22537 73 0x1100010 0 0 syslogd
* 99037 1 0 0x2 0x2000 1K init
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83467ad3) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff8000fffff758,b,0,1) at exit1+0x128 sys/kern/kern_exit.c:135
sys_exit(ffff8000fffff758,ffff80002a1cc350,ffff80002a1cc2a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1cc350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1cc350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6fd720bce0a0, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: init died (signal 0, exit 11)
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83467ad3) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff8000fffff758,b,0,1) at exit1+0x128 sys/kern/kern_exit.c:135
sys_exit(ffff8000fffff758,ffff80002a1cc350,ffff80002a1cc2a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1cc350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1cc350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6fd720bce0a0, count: -6
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a1cc120
rbx 0xffff8000299bee07
rdx 0
rcx 0xffff8000fffff758
rax 0xffff8000299bdff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x8346d1cbe4eb495a
r11 0x87198005c27c2bb1
r12 0xffff8000299bec08
r13 0
r14 0
r15 0x1
rip 0xffffffff83236b75 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a1cc110
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (init) tid=99037 pid=1 tcnt=1 stat=onproc
flags process=2<EXEC> proc=2000<WEXIT>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffffffff8396eae0,0xffff8000ffffefa0
process=0xffff8000ffffb9c0 user=0xffff80002a1c7000, vmspace=0xfffffd800b063d58
estcpu=0, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
63252 15647 51250 0 2 0 syz-executor
63252 130746 51250 0 3 0x4000000 biowait syz-executor
90364 428735 91839 0 2 0 syz-executor
90364 167761 91839 0 2 0x4000000 syz-executor
39419 108510 59933 0 2 0 syz-executor
39419 395107 59933 0 3 0x4000080 fsleep syz-executor
33213 338311 97587 0 3 0x3000 suspend syz-executor
33213 491359 97587 0 2 0x4081080 syz-executor
2384 502393 17149 0 2 0xc80 syz-executor
2384 111250 17149 0 3 0x4000080 kqread syz-executor
2384 472029 17149 0 3 0x4000080 kqread syz-executor
2384 338904 17149 0 3 0x4000080 pipewr syz-executor
62032 280089 83430 0 2 0xc80 syz-executor
62032 13241 83430 0 3 0x4000080 sbwait syz-executor
62032 199220 83430 0 3 0x4000080 fsleep syz-executor
83430 326062 8245 0 2 0xc82 syz-executor
51250 244028 8245 0 2 0xc82 syz-executor
91839 331205 8245 0 2 0xc82 syz-executor
17149 514124 8245 0 2 0xc82 syz-executor
59933 508548 8245 0 2 0xc82 syz-executor
41001 486949 8245 0 2 0x10000c82 syz-executor
97587 440229 8245 0 2 0xc82 syz-executor
667 203975 8245 0 2 0x2 syz-executor
8245 322179 44827 0 2 0x2 syz-executor
44827 354139 27965 0 3 0x10008a sigsusp ksh
27965 472331 89187 0 3 0x98 kqread sshd-session
89187 32541 14396 0 3 0x92 kqread sshd-session
44564 252142 1 0 3 0x100083 ttyin getty
14396 14181 1 0 3 0x88 kqread sshd
45524 467780 45671 74 2 0x1100012 pflogd
45671 12449 1 0 3 0x80 sbwait pflogd
22537 356954 73741 73 7 0x1100010 syslogd
73741 379660 1 0 3 0x100082 sbwait syslogd
81689 480170 1 0 3 0x100080 kqread resolvd
10686 393648 49460 77 3 0x100092 kqread dhcpleased
83809 382655 49460 77 3 0x100092 kqread dhcpleased
49460 131450 1 0 3 0x80 kqread dhcpleased
62369 102123 0 0 2 0x40014200 smr
43215 179540 0 0 2 0x14200 zerothread
50616 479869 0 0 3 0x14200 aiodoned aiodoned
45069 106739 0 0 3 0x14200 syncer update
71707 75557 0 0 3 0x14200 cleaner cleaner
64669 516118 0 0 3 0x14200 reaper reaper
83317 478775 0 0 3 0x14200 pgdaemon pagedaemon
66829 144339 0 0 3 0x14200 bored viomb
19213 434028 0 0 3 0x40014200 acpi0 acpi0
88713 217775 0 0 3 0x40014200 idle1
47705 358602 0 0 3 0x14200 bored softnet1
91632 226040 0 0 2 0x14200 softnet0
34953 133250 0 0 3 0x14200 smrbar systqmp
4419 504367 0 0 3 0x14200 bored systq
152 249513 0 0 3 0x14200 tmoslp softclockmp
75729 172862 0 0 3 0x40014200 tmoslp softclock
57829 483182 0 0 3 0x40014200 idle0
* 1 99037 0 0 7 0x2002 init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 63252 (syz-executor) thread 0xffff8000fffea2b8 (130746)
exclusive rrwlock inode r = 0 (0xfffffd806e598360)
#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+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 sys_truncate+0xce sys/kern/vfs_syscalls.c:2915
#6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
Process 90364 (syz-executor) thread 0xffff8000fffeafb0 (167761)
exclusive rrwlock inode r = 0 (0xfffffd806e595240)
#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+0xbd 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:1659
#11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c16e690)
#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+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#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:1611
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 34953 (systqmp) thread 0xffff8000ffffe000 (133250)
shared rwlock systqmp r = 0 (0xffffffff8391e3b8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
Process 1 (init) thread 0xffff8000fffff758 (99037)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8396a9c0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
#1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11077 12229K 12294K 166960K 12223 0
pcb 17 12K 12K 166960K 23 0
rtable 232 8K 8K 166960K 383 0
pf 42 19K 19K 166960K 66 0
ifaddr 45 7K 7K 166960K 53 0
ifgroup 59 2K 2K 166960K 69 0
sysctl 1 1K 9K 166960K 5 0
counters 78 37K 37K 166960K 88 0
ioctlops 0 0K 4K 166960K 1498 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1296 82K 82K 166960K 1400 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 93K 166960K 173 0
sigio 0 0K 0K 166960K 2 0
proc 71 115K 180K 166960K 562 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 5 0
in_multi 96 7K 7K 166960K 109 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 402 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 236 159K 168K 166960K 3453 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 42 84K 104K 166960K 1310 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 16 0K 1K 166960K 34 0
temp 37 9090K 9142K 166960K 8798 0
kqueue 15 24K 28K 166960K 34 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> 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 40 0 33 1 0 1 1 0 8 0
rtentry 176 116 0 14 6 0 6 6 0 8 0
unpcb 144 181 0 159 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 19 0 14 1 0 1 1 0 8 0
arp 136 19 0 1 1 0 1 1 0 8 0
inpcb 328 87 0 76 2 0 2 2 0 8 0
nd6 152 26 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 8 0 4 1 0 1 1 0 8 0
pfstscr 40 2 0 1 1 0 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
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 24 0 0 1 0 1 1 0 8 0
pfstkey 128 26 0 2 1 0 1 1 0 8 0
pfstate 448 24 0 1 3 0 3 3 0 8 0
pfrule 1360 26 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 460 0 41 29 0 29 29 0 8 1
art_table 40 461 0 41 5 0 5 5 0 8 0
art_node 32 116 0 22 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1644 0 174 92 0 92 92 0 8 0
ffsino 296 1644 0 174 114 0 114 114 0 8 0
nchpl 144 1888 0 181 64 0 64 64 0 8 0
rtmask 32 2 0 1 1 0 1 1 0 8 0
vnodes 216 1754 0 0 98 0 98 98 0 8 0
namei 1024 5998 0 5997 2 0 2 2 0 8 1
percpumem 16 59 0 5 1 0 1 1 0 8 0
kstatmem 264 38 0 8 3 0 3 3 0 8 1
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 6756 0 6755 9 1 8 8 1 8 7
plimitpl 152 40 0 21 1 0 1 1 0 8 0
sigapl 424 485 0 437 7 0 7 7 0 8 1
knotepl 120 64 0 0 2 0 2 2 0 8 0
kqueuepl 224 36 0 25 1 0 1 1 0 8 0
pipepl 344 126 0 98 3 0 3 3 0 8 0
fdescpl 528 469 0 438 3 0 3 3 0 8 0
filepl 160 2058 0 1821 12 0 12 12 0 8 1
lockfpl 104 34 0 26 1 0 1 1 0 8 0
lockfspl 48 20 0 12 1 0 1 1 0 8 0
sessionpl 144 28 0 19 1 0 1 1 0 8 0
pgrppl 48 36 0 19 1 0 1 1 0 8 0
ucredpl 104 150 0 136 1 0 1 1 0 8 0
zombiepl 144 440 0 437 1 0 1 1 0 8 0
processpl 1232 485 0 437 5 0 5 5 0 8 0
procpl 664 556 0 499 6 0 6 6 0 8 0
sockpl 752 308 0 268 4 0 4 4 0 8 0
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 8 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k 2048 21 0 0 3 0 3 3 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 174 0 0 11 0 11 11 0 8 0
bufpl 280 2443 0 105 167 0 167 167 0 8 0
anonpl 32 5495 0 0 45 0 45 45 0 246 0
amapchunkpl 152 9847 0 9347 24 0 24 24 0 158 3
amappl16 200 2019 0 1997 5 1 4 5 0 8 2
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 434 0 433 1 0 1 1 0 8 0
amappl13 176 119 0 106 1 0 1 1 0 8 0
amappl12 168 724 0 693 2 0 2 2 0 8 0
amappl11 160 34 0 34 1 1 0 1 0 8 0
amappl10 152 74 0 60 1 0 1 1 0 8 0
amappl9 144 298 0 298 1 1 0 1 0 8 0
amappl8 136 103 0 101 1 0 1 1 0 8 0
amappl7 128 142 0 129 1 0 1 1 0 8 0
amappl6 120 160 0 159 1 0 1 1 0 8 0
amappl5 112 88 0 78 1 0 1 1 0 8 0
amappl4 104 309 0 291 1 0 1 1 0 8 0
amappl3 96 1682 0 1562 4 0 4 4 0 8 0
amappl2 88 517 0 455 2 0 2 2 0 8 0
amappl1 80 9355 0 8753 14 0 14 14 0 8 1
amappl 88 2732 0 2567 5 0 5 5 0 92 1
uvmvnodes 80 101 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 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 469 0 438 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 469 0 438 1 0 1 1 0 8 0
vmmpekpl 168 5613 0 5570 2 0 2 2 0 8 0
vmmpepl 168 38219 0 36315 88 0 88 88 0 357 2
vmsppl 488 468 0 438 5 0 5 5 0 8 1
rwobjpl 80 14139 0 13109 24 0 24 24 0 8 1
pdppl 4096 945 0 876 101 28 73 85 0 8 4
pvpl 32 13885 0 0 113 1 112 112 0 265 0
pmappl 256 468 0 438 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 274 0 31 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83916ff0) 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(ffffffff8396a1c0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x19e sys/kern/kern_lock.c:173
intr_handler(ffff80002a29c7e0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173
vn_write(fffffd807005f960,ffff80002a29caa0,0) at vn_write+0x4e sys/kern/vfs_vnops.c:399
dofilewritev(ffff80002a243c98,e,ffff80002a29caa0,0,ffff80002a29cb60) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_writev(ffff80002a243c98,ffff80002a29cc10,ffff80002a29cb60) at sys_writev+0xd8 sys/kern/sys_generic.c:327
syscall(ffff80002a29cc10) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a29cc10) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x798ae52d90a0, count: 2
ddb{0}> trace
x86_ipi_db(ffffffff83916ff0) 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(ffffffff8396a1c0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x19e sys/kern/kern_lock.c:173
intr_handler(ffff80002a29c7e0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173
vn_write(fffffd807005f960,ffff80002a29caa0,0) at vn_write+0x4e sys/kern/vfs_vnops.c:399
dofilewritev(ffff80002a243c98,e,ffff80002a29caa0,0,ffff80002a29cb60) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_writev(ffff80002a243c98,ffff80002a29cc10,ffff80002a29cb60) at sys_writev+0xd8 sys/kern/sys_generic.c:327
syscall(ffff80002a29cc10) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a29cc10) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x798ae52d90a0, count: -13
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83467ad3) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff8000fffff758,b,0,1) at exit1+0x128 sys/kern/kern_exit.c:135
sys_exit(ffff8000fffff758,ffff80002a1cc350,ffff80002a1cc2a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1cc350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1cc350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6fd720bce0a0, count: 9
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83467ad3) at panic+0x1e5 sys/kern/subr_prf.c:198
exit1(ffff8000fffff758,b,0,1) at exit1+0x128 sys/kern/kern_exit.c:135
sys_exit(ffff8000fffff758,ffff80002a1cc350,ffff80002a1cc2a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a1cc350) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a1cc350) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6fd720bce0a0, count: -6