uvm_fault(0xfffffd806be89208, 0x30, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at spec_getattr+0x9f: movq 0x30(%rax),%rdi
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*127973 7042 0 0 0x4000000 0K syz-executor
156633 28549 77 0x100012 0x1 1 dhcpleased
spec_getattr(ffff80002a340428) at spec_getattr+0x9f sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd805c8b6018,ffff80002a3404a0,fffffd80097fb2d8,ffff80003c444800) at VOP_GETATTR+0x88 sys/kern/vfs_vops.c:191
fill_file(ffff8000014b6c00,fffffd806cf9b1f8,ffff8000fffeaa60,3,0,ffff800037fe9840,2a4635c6f2dd633,3,7ffffaf) at fill_file+0x5dc sys/kern/kern_sysctl.c:1513
sysctl_file(ffff80002a3408f8,4,200000000100,ffff80002a340928,ffff80003c444800) at sysctl_file+0x7d7 sys/kern/kern_sysctl.c:1866
kern_sysctl(ffff80002a3408f4,5,200000000100,ffff80002a340928,0,37,fe312a57b195de94) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:733
sys_sysctl(ffff80003c444800,ffff80002a340a60,ffff80002a3409b0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a340a60) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340a60) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e0bdaba0, 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(0xfffffd806be89208, 0x30, 0, 1) -> e
ddb{0}> trace
spec_getattr(ffff80002a340428) at spec_getattr+0x9f sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd805c8b6018,ffff80002a3404a0,fffffd80097fb2d8,ffff80003c444800) at VOP_GETATTR+0x88 sys/kern/vfs_vops.c:191
fill_file(ffff8000014b6c00,fffffd806cf9b1f8,ffff8000fffeaa60,3,0,ffff800037fe9840,2a4635c6f2dd633,3,7ffffaf) at fill_file+0x5dc sys/kern/kern_sysctl.c:1513
sysctl_file(ffff80002a3408f8,4,200000000100,ffff80002a340928,ffff80003c444800) at sysctl_file+0x7d7 sys/kern/kern_sysctl.c:1866
kern_sysctl(ffff80002a3408f4,5,200000000100,ffff80002a340928,0,37,fe312a57b195de94) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:733
sys_sysctl(ffff80003c444800,ffff80002a340a60,ffff80002a3409b0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a340a60) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340a60) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e0bdaba0, count: -8
ddb{0}> show registers
rdi 0xffff8000357ed000
rsi 0x2863c acpi_pdirpa+0x144ad
rbp 0xffff80002a340410
rbx 0xfffffd805c8b6018
rdx 0xffff8000357ed000
rcx 0x2863b acpi_pdirpa+0x144ac
rax 0
r8 0xffff80003c4324c0
r9 0
r10 0x2cc678b256d06426
r11 0x8e900270a7f99699
r12 0x8000 __ALIGN_SIZE+0x7000
r13 0xffff80002a3404a0
r14 0xffff80002a340428
r15 0xfffffd805c8b6018
rip 0xffffffff8182e88f spec_getattr+0x9f
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a3403e0
ss 0x10
spec_getattr+0x9f: movq 0x30(%rax),%rdi
ddb{0}> show proc
PROC (syz-executor) tid=127973 pid=7042 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c445cc0,0xffffffff83946580
process=0xffff800037fe9d10 user=0xffff80002a33b000, vmspace=0xfffffd806be89208
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
7042 435945 48589 0 2 0 syz-executor
* 7042 127973 48589 0 7 0x4000000 syz-executor
28808 418008 90320 0 2 0 syz-executor
28808 192167 90320 0 3 0x4000080 fsleep syz-executor
43868 90664 98885 0 2 0 syz-executor
43868 470930 98885 0 3 0x4000080 fsleep syz-executor
43868 88207 98885 0 2 0x4000000 syz-executor
50282 128542 91243 0 2 0x1044 syz-executor
99831 180467 2149 0 3 0x80 nanoslp syz-executor
99831 76495 2149 0 3 0x4000080 fifow syz-executor
99831 164248 2149 0 3 0x4000080 fsleep syz-executor
66718 502059 97007 0 3 0x80 nanoslp syz-executor
66718 518706 97007 0 2 0x4000000 syz-executor
66718 174508 97007 0 3 0x4000080 fsleep syz-executor
90962 14420 91277 0 2 0 syz-executor
90962 509246 91277 0 3 0x4000080 ttyout syz-executor
90962 87678 91277 0 3 0x4000080 fsleep syz-executor
91243 513806 64175 0 3 0x82 ppwait syz-executor
4749 311467 64175 0 3 0x82 nanoslp syz-executor
2149 356448 64175 0 3 0x82 nanoslp syz-executor
89712 140333 0 0 3 0x14280 nfsidl nfsio
25859 353409 0 0 3 0x14280 nfsidl nfsio
30266 286086 0 0 3 0x14280 nfsidl nfsio
56841 310378 0 0 3 0x14280 nfsidl nfsio
39681 404184 0 0 3 0x14280 nfsidl nfsio
16524 309277 0 0 3 0x14280 nfsidl nfsio
597 34896 0 0 3 0x14280 nfsidl nfsio
90436 213993 0 0 3 0x14280 nfsidl nfsio
64866 464790 0 0 3 0x14280 nfsidl nfsio
80434 227326 0 0 3 0x14280 nfsidl nfsio
94490 61774 0 0 3 0x14280 nfsidl nfsio
59755 454654 0 0 3 0x14280 nfsidl nfsio
83658 496284 0 0 3 0x14280 nfsidl nfsio
7562 196042 0 0 3 0x14280 nfsidl nfsio
51710 136815 0 0 3 0x14280 nfsidl nfsio
82195 129073 0 0 3 0x14280 nfsidl nfsio
19737 40200 0 0 3 0x14280 nfsidl nfsio
37994 222409 0 0 3 0x14280 nfsidl nfsio
73781 166683 0 0 3 0x14280 nfsidl nfsio
93314 390954 0 0 3 0x14280 nfsidl nfsio
48589 215625 64175 0 2 0xc82 syz-executor
96387 254961 1 0 3 0x100083 ttyopn getty
91277 243973 64175 0 3 0x82 nanoslp syz-executor
90320 173877 64175 0 2 0xc82 syz-executor
98885 35196 64175 0 2 0xc82 syz-executor
97007 512225 64175 0 3 0x82 nanoslp syz-executor
64175 149829 26213 0 3 0x82 kqread syz-executor
26213 277390 70206 0 3 0x10008a sigsusp ksh
70206 256815 91761 0 3 0x98 kqread sshd-session
91761 305604 50103 0 3 0x92 kqread sshd-session
50103 19375 1 0 3 0x88 kqread sshd
89921 168981 96911 74 3 0x1100092 bpf pflogd
96911 395667 1 0 3 0x80 sbwait pflogd
38754 365680 5249 73 3 0x1100090 kqread syslogd
5249 478269 1 0 3 0x100082 sbwait syslogd
32201 436689 1 0 3 0x100080 kqread resolvd
28549 156633 43523 77 7 0x100013 dhcpleased
90901 349678 43523 77 3 0x100092 kqread dhcpleased
43523 259146 1 0 3 0x80 kqread dhcpleased
98227 276603 0 0 3 0x14200 bored smr
4265 114753 0 0 2 0x14200 zerothread
81680 32393 0 0 3 0x14200 aiodoned aiodoned
46600 488191 0 0 3 0x14200 syncer update
46430 95266 0 0 3 0x14200 cleaner cleaner
54804 501028 0 0 3 0x14200 reaper reaper
8641 399345 0 0 3 0x14200 pgdaemon pagedaemon
56150 250500 0 0 3 0x14200 bored viomb
50305 376723 0 0 3 0x40014200 acpi0 acpi0
67179 495722 0 0 3 0x40014200 idle1
65014 144857 0 0 3 0x14200 bored softnet1
79412 192734 0 0 3 0x14200 bored softnet0
46499 378646 0 0 3 0x14200 smrbar systqmp
6797 175031 0 0 3 0x14200 bored systq
80249 193431 0 0 3 0x14200 tmoslp softclockmp
17509 110157 0 0 3 0x40014200 tmoslp softclock
14631 36741 0 0 3 0x40014200 idle0
1 465711 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 7042 (syz-executor) thread 0xffff80003c444800 (127973)
exclusive rrwlock inode r = 0 (0xfffffd8077c746a8)
#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 spec_getattr+0x8f sys/kern/spec_vnops.c:564
#6 VOP_GETATTR+0x88 sys/kern/vfs_vops.c:191
#7 fill_file+0x5dc sys/kern/kern_sysctl.c:1513
#8 sysctl_file+0x7d7 sys/kern/kern_sysctl.c:1866
#9 kern_sysctl+0x139 sys/kern/kern_sysctl.c:733
#10 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#12 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839c1a18)
#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 rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298
#4 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#5 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#6 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#7 spec_getattr+0x8f sys/kern/spec_vnops.c:564
#8 VOP_GETATTR+0x88 sys/kern/vfs_vops.c:191
#9 fill_file+0x5dc sys/kern/kern_sysctl.c:1513
#10 sysctl_file+0x7d7 sys/kern/kern_sysctl.c:1866
#11 kern_sysctl+0x139 sys/kern/kern_sysctl.c:733
#12 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
#13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#14 Xsyscall+0x128
Process 43868 (syz-executor) thread 0xffff80003c436028 (88207)
exclusive rwlock lockflk r = 0 (0xffffffff8384ee68)
#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 lf_advlock+0x227 sys/kern/vfs_lockf.c:260
#3 VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623
#4 doopenat+0x512 sys/kern/vfs_syscalls.c:1170
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
#6 Xsyscall+0x128
Process 50282 (syz-executor) thread 0xffff80003c437780 (128542)
exclusive rwlock vmmaplk r = 0 (0xfffffd806be89e78)
#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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171
#3 uvmspace_exec+0x1ee sys/uvm/uvm_map.c:3334
#4 sys_execve+0xc31 sys/kern/kern_exec.c:453
#5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765
#6 Xsyscall+0x128
Process 46499 (systqmp) thread 0xffff8000ffffea60 (378646)
shared rwlock systqmp r = 0 (0xffffffff838559c8)
#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
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10198 11170K 11495K 166960K 12426 0
pcb 17 14K 15K 166960K 178 0
rtable 163 8K 9K 166960K 668 0
pf 33 17K 67485K 166960K 158 0
ifaddr 31 5K 8K 166960K 128 0
ifgroup 47 2K 2K 166960K 177 0
sysctl 4 1K 9K 166960K 12 0
counters 64 36K 37K 166960K 196 0
ioctlops 0 0K 4K 166960K 1789 0
iov 0 0K 16K 166960K 39 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1466 92K 93K 166960K 2481 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 11 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 29 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 240K 166960K 1006 0
sigio 0 0K 0K 166960K 50 0
proc 72 115K 164K 166960K 863 0
subproc 72 4K 4K 166960K 154 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 82 0
in_multi 64 4K 7K 166960K 227 0
ether_multi 1 0K 0K 166960K 6 0
mrt 0 0K 0K 166960K 6 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 91 413K 413K 166960K 91 0
exec 1 0K 1K 166960K 582 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 3 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 251 168K 186K 166960K 10289 0
UVM aobj 14 2K 2K 166960K 15 0
pinsyscall 44 88K 102K 166960K 2321 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 45 0
NDP 10 0K 1K 166960K 86 0
temp 54 8654K 8780K 166960K 48921 0
kqueue 15 24K 32K 166960K 160 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 120 145 0 142 3 2 1 3 0 8 0
rtentry 176 218 0 155 6 0 6 6 0 8 0
unpcb 144 379 0 360 3 1 2 2 0 8 1
syncache 336 7 0 7 2 2 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 736 165 0 159 2 1 1 2 0 8 0
arp 136 35 0 25 1 0 1 1 0 8 0
inpcb 328 752 0 743 8 6 2 5 0 8 1
nd6 152 51 0 34 2 0 2 2 0 8 0
pkpcb 40 6 0 6 2 1 1 1 0 8 1
kcovpl 48 17 0 9 1 0 1 1 0 8 0
mppekey 1024 2 0 2 1 1 0 1 0 8 0
ppxss 1192 48 0 48 2 1 1 1 0 8 1
pppxif 1504 3 0 3 2 1 1 1 0 8 1
pfstscr 40 7 0 7 1 1 0 1 0 8 0
pffrag 232 10 0 5 1 0 1 1 0 482 0
pffrnode 88 5 0 1 1 0 1 1 0 8 0
pffrent 40 17 0 12 1 0 1 1 0 8 0
pfosfp 40 1430 0 1006 5 0 5 5 0 8 0
pfosfpen 112 1430 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 0 1 0 1 1 0 8 0
pfstitem 24 74 0 17 1 0 1 1 0 8 0
pfstkey 128 124 0 63 2 0 2 2 0 8 0
pfstate 384 98 0 43 6 0 6 6 0 8 0
pfrule 1344 28 0 22 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 1025 0 689 35 8 27 31 0 8 2
art_table 40 1027 0 689 5 0 5 5 0 8 0
art_node 32 218 0 153 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0
semapl 112 26 0 16 1 0 1 1 0 8 0
shmpl 112 12 0 1 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 3071 0 1542 96 0 96 96 0 8 0
ffsino 296 3071 0 1542 118 0 118 118 0 8 0
nchpl 144 4245 0 2518 65 0 65 65 0 8 0
rtmask 32 7 0 7 3 2 1 1 0 8 1
vnodes 216 3828 0 0 213 0 213 213 0 8 0
namei 1024 15253 0 15252 4 2 2 2 0 8 1
percpumem 16 113 0 66 1 0 1 1 0 8 0
kstatmem 264 110 0 88 4 2 2 3 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 15145 0 15145 11 8 3 7 1 8 3
plimitpl 152 249 0 231 1 0 1 1 0 8 0
sigapl 424 1281 0 1213 9 1 8 8 0 8 0
knotepl 120 545 0 0 17 0 17 17 0 8 0
kqueuepl 224 287 0 275 4 2 2 3 0 8 1
pipepl 344 215 0 187 3 0 3 3 0 8 0
fdescpl 528 1244 0 1212 3 0 3 3 0 8 0
filepl 160 7258 0 7037 19 6 13 16 0 8 2
lockfpl 104 359 0 357 1 0 1 1 0 8 0
lockfspl 48 120 0 117 1 0 1 1 0 8 0
sessionpl 144 33 0 24 1 0 1 1 0 8 0
pgrppl 48 56 0 39 1 0 1 1 0 8 0
ucredpl 104 1389 0 1376 1 0 1 1 0 8 0
zombiepl 144 1505 0 1504 2 1 1 1 0 8 0
processpl 1232 1281 0 1213 7 1 6 6 0 8 0
procpl 664 2568 0 2490 8 0 8 8 0 8 0
sosppl 176 20 0 20 2 1 1 1 0 8 1
sockpl 752 1293 0 1262 17 10 7 11 0 8 3
mcl64k 65536 7 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 114 0 0 15 0 15 15 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 32 0 0 4 0 4 4 0 8 0
mtagpl 96 18 0 0 1 0 1 1 0 8 0
mbufpl 256 220 0 0 14 0 14 14 0 8 0
bufpl 280 5150 0 142 358 0 358 358 0 8 0
anonpl 32 10758 0 0 87 0 87 87 0 246 0
amapchunkpl 152 32710 0 32148 38 4 34 34 0 158 8
amappl16 200 3389 0 3324 25 9 16 17 0 8 6
amappl15 192 3 0 3 1 1 0 1 0 8 0
amappl14 184 8 0 8 1 1 0 1 0 8 0
amappl13 176 523 0 521 1 0 1 1 0 8 0
amappl12 168 1658 0 1616 3 0 3 3 0 8 0
amappl11 160 18 0 18 1 1 0 1 0 8 0
amappl10 152 52 0 37 1 0 1 1 0 8 0
amappl9 144 251 0 251 1 1 0 1 0 8 0
amappl8 136 28 0 25 1 0 1 1 0 8 0
amappl7 128 117 0 115 1 0 1 1 0 8 0
amappl6 120 386 0 372 1 0 1 1 0 8 0
amappl5 112 97 0 86 1 0 1 1 0 8 0
amappl4 104 458 0 429 1 0 1 1 0 8 0
amappl3 96 5831 0 5741 3 0 3 3 0 8 0
amappl2 88 1332 0 1255 2 0 2 2 0 8 0
amappl1 80 13393 0 12793 14 1 13 14 0 8 0
amappl 88 9310 0 9138 5 0 5 5 0 92 0
uvmvnodes 80 3828 0 0 79 0 79 79 0 8 0
dma16384 16384 1 0 1 1 1 0 1 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 128 253 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 14 0 1 1 0 1 1 0 8 0
uaddrrnd 24 1244 0 1212 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1244 0 1212 1 0 1 1 0 8 0
vmmpekpl 168 11372 0 11320 4 0 4 4 0 8 0
vmmpepl 168 84999 0 82993 100 4 96 100 0 357 3
vmsppl 488 1243 0 1212 5 0 5 5 0 8 0
rwobjpl 80 28363 0 23550 99 0 99 99 0 8 0
pdppl 4096 2496 0 2424 108 34 74 84 0 8 2
pvpl 32 17831 0 0 145 1 144 144 0 265 0
pmappl 256 1243 0 1212 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 296 0 51 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
spec_getattr(ffff80002a340428) at spec_getattr+0x9f sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd805c8b6018,ffff80002a3404a0,fffffd80097fb2d8,ffff80003c444800) at VOP_GETATTR+0x88 sys/kern/vfs_vops.c:191
fill_file(ffff8000014b6c00,fffffd806cf9b1f8,ffff8000fffeaa60,3,0,ffff800037fe9840,2a4635c6f2dd633,3,7ffffaf) at fill_file+0x5dc sys/kern/kern_sysctl.c:1513
sysctl_file(ffff80002a3408f8,4,200000000100,ffff80002a340928,ffff80003c444800) at sysctl_file+0x7d7 sys/kern/kern_sysctl.c:1866
kern_sysctl(ffff80002a3408f4,5,200000000100,ffff80002a340928,0,37,fe312a57b195de94) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:733
sys_sysctl(ffff80003c444800,ffff80002a340a60,ffff80002a3409b0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80002a340a60) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a340a60) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e0bdaba0, count: -8
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(ffffffff839c1810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839c1810) at __mp_lock+0x192 sys/kern/kern_lock.c:165
ktrstruct(ffff80002a272010,ffffffff8335e221,ffff80002a2a9e80,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313
iovec_copyin(79c5f9d68e10,ffff80002a2a9f38,ffff80002a2a9e80,1,ffff80002a2a9f30) at iovec_copyin+0x202 sys/kern/sys_generic.c:120
sys_writev(ffff80002a272010,ffff80002a2aa070,ffff80002a2a9fc0) at sys_writev+0x67 sys/kern/sys_generic.c:319
syscall(ffff80002a2aa070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2aa070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x79c5f9d68e00, count: 6
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(ffffffff839c1810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839c1810) at __mp_lock+0x192 sys/kern/kern_lock.c:165
ktrstruct(ffff80002a272010,ffffffff8335e221,ffff80002a2a9e80,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313
iovec_copyin(79c5f9d68e10,ffff80002a2a9f38,ffff80002a2a9e80,1,ffff80002a2a9f30) at iovec_copyin+0x202 sys/kern/sys_generic.c:120
sys_writev(ffff80002a272010,ffff80002a2aa070,ffff80002a2a9fc0) at sys_writev+0x67 sys/kern/sys_generic.c:319
syscall(ffff80002a2aa070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2aa070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x79c5f9d68e00, count: -9