uvm_fault(0xfffffd806eae73e0, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8129cac8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80003c444b50
gsbase 0xffffffff8389cff0 kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8129cac8
Starting stack trace...
panic(ffffffff833e0381) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80003c444aa0) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff80000158d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,2,2000,ffff80003c426560) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,2,2000,ffff80003c426560) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80003c444c50) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806669ebf0,2,fffffd80097fd680,ffff80003c426560) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806d688b90,ffff80003c426560) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806d688b90,ffff80003c426560) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806d688b90,ffff80003c426560) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806d688b90,ffff80003c426560) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c426560) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff80003c426560,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c426560,ffff80003c444fc0,ffff80003c444f10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c444fc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c444fc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x771261b5a8d0, count: 242
End of stack trace.
W
AduNG : to L vOT, 1LOWotEposN TRe
EXIT a 0
Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*474676 51131 0 0x1000000 0 1 syz-executor
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x7ab4b2b05390, count: 14
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
*cpu0: uvm_fault(0xfffffd806eae73e0, 0x0, 0, 1) -> e
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x7ab4b2b05390, count: -1
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff8000393e6a50
rbx 0
rdx 0
rcx 0xffff80002a261a08
rax 0x2a
r8 0xffff8000393e6980
r9 0x1
r10 0xbe8481fd58bc8252
r11 0x9566f35bd0bc3d6f
r12 0
r13 0xffffffff81edebf8 Xdoreti+0x18
r14 0
r15 0
rip 0xffffffff826974c7 proc_trampoline+0xc7
cs 0x8
rflags 0x246
rsp 0xffff8000393e69d0
ss 0
proc_trampoline+0xc7: movl $0,%gs:0x688
ddb{1}> show proc
PROC (syz-executor) tid=474676 pid=51131 tcnt=3 stat=onproc
flags process=1000000<CHROOT> proc=0
runpri=83, usrpri=83, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a260d10,0xffff80002a261250
process=0xffff8000fffeeb68 user=0xffff8000393e1000, vmspace=0xfffffd806c7295d0
estcpu=33, cpticks=6, pctcpu=0.6, user=5, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49976 413443 82730 0 2 0 syz-executor
49976 79717 82730 0 3 0x4000080 fsleep syz-executor
51017 387400 4419 0 2 0 syz-executor
51017 221186 4419 0 3 0x4000080 fsleep syz-executor
*51131 474676 93856 0 7 0x1000000 syz-executor
51131 49785 93856 0 3 0x5000080 fsleep syz-executor
51131 443467 93856 0 3 0x5000080 fsleep syz-executor
68913 425539 59882 -1 2 0xc90 syz-executor
68913 492667 59882 -1 3 0x4000090 fifor syz-executor
68913 177098 59882 -1 3 0x4000090 fsleep syz-executor
83395 131051 53519 0 2 0xc80 syz-executor
83395 312517 53519 0 3 0x4000080 fsleep syz-executor
83395 50132 53519 0 3 0x4000080 kqread syz-executor
42934 407783 93183 0 2 0 syz-executor
42934 461199 93183 0 2 0x4000000 syz-executor
42934 257682 93183 0 3 0x4000000 vmmaplk syz-executor
42934 391460 93183 0 3 0x4000000 vmmaplk syz-executor
42934 349007 93183 0 3 0x4000000 vmmaplk syz-executor
48577 138121 1 0 3 0x80 nanoslp init
93183 463657 26054 0 2 0xc82 syz-executor
82730 483851 26054 0 2 0xc82 syz-executor
59882 229329 26054 0 2 0xc82 syz-executor
4419 349130 26054 0 2 0xc82 syz-executor
86876 201796 26054 0 3 0x82 wait syz-executor
63040 100358 26054 0 2 0xc82 syz-executor
93856 247395 26054 0 2 0xc82 syz-executor
53519 502916 26054 0 2 0xc82 syz-executor
26054 310600 89161 0 3 0x82 kqread syz-executor
89161 319508 13072 0 3 0x10008a sigsusp ksh
13072 301087 93395 0 3 0x98 kqread sshd-session
93395 453772 47330 0 3 0x92 kqread sshd-session
47330 398978 1 0 3 0x88 kqread sshd
33314 358661 62382 74 3 0x1100092 bpf pflogd
62382 416709 1 0 3 0x80 sbwait pflogd
2441 58163 7277 73 3 0x1100090 kqread syslogd
7277 426851 1 0 3 0x100082 sbwait syslogd
52279 444995 1 0 3 0x100080 kqread resolvd
56259 137169 12407 77 3 0x100092 kqread dhcpleased
39861 458295 12407 77 3 0x100092 kqread dhcpleased
12407 44952 1 0 3 0x80 kqread dhcpleased
77012 254070 0 0 2 0x40014200 smr
39544 213391 0 0 2 0x14200 zerothread
87561 490337 0 0 3 0x14200 aiodoned aiodoned
27192 299459 0 0 3 0x14200 syncer update
97729 170544 0 0 3 0x14200 cleaner cleaner
43265 6375 0 0 2 0x14200 reaper
85686 139385 0 0 3 0x14200 pgdaemon pagedaemon
84499 125086 0 0 3 0x14200 bored viomb
36295 291489 0 0 3 0x40014200 acpi0 acpi0
7364 421312 0 0 3 0x40014200 idle1
89092 462938 0 0 3 0x14200 bored softnet1
16063 7927 0 0 2 0x14200 softnet0
66751 104552 0 0 3 0x14200 bored systqmp
5487 298238 0 0 3 0x14200 bored systq
16670 476117 0 0 3 0x14200 tmoslp softclockmp
97902 288051 0 0 3 0x40014200 tmoslp softclock
40702 235783 0 0 3 0x40014200 idle0
1 399053 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c522810)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 pmap_write_protect+0x80 rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline]
#2 pmap_write_protect+0x80 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline]
#2 pmap_write_protect+0x80 sys/arch/amd64/amd64/pmap.c:2163
#3 uvm_map_protect+0xb95 pmap_protect sys/arch/amd64/compile/SYZKALLER/obj/machine/pmap.h:476 [inline]
#3 uvm_map_protect+0xb95 sys/uvm/uvm_map.c:3196
#4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#6 Xsyscall+0x128
Process 49976 (syz-executor) thread 0xffff80002a2614d8 (413443)
exclusive rwlock uobjlk r = 0 (0xfffffd806c739478)
#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 uvm_map_protect+0xb36 sys/uvm/uvm_map.c:3196
#3 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#5 Xsyscall+0x128
exclusive rwlock vmmaplk r = 0 (0xfffffd806c729300)
#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:5165
#3 uvm_map_protect+0xe0 sys/uvm/uvm_map.c:3069
#4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#6 Xsyscall+0x128
Process 42934 (syz-executor) thread 0xffff80003c427258 (461199)
exclusive rwlock vmmaplk r = 0 (0xfffffd806c729aa0)
#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_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520
#7 alltraps_kern_meltdown+0x7b
#8 copyout+0x64
#9 mmrw+0x3d6 sys/arch/amd64/amd64/mem.c:-1
#10 spec_read+0x14b sys/kern/spec_vnops.c:215
#11 VOP_READ+0x101 sys/kern/vfs_vops.c:227
#12 vn_read+0x17b sys/kern/vfs_vnops.c:369
#13 dofilereadv+0x25a sys/kern/sys_generic.c:252
#14 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336
#15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
#16 Xsyscall+0x128
Process 43265 (reaper) thread 0xffff8000ffffd9f8 (6375)
exclusive rwlock kmmaplk r = 0 (0xffffffff83928630)
#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:5165
#3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792
#4 km_free+0x87 sys/uvm/uvm_km.c:714
#5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304
#6 reaper+0x1ca sys/kern/kern_exit.c:493
#7 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11109 12195K 12767K 166960K 12874 0
pcb 17 16K 18K 166960K 197 0
rtable 199 8K 10K 166960K 554 0
pf 33 17K 19K 166960K 94 0
ifaddr 32 5K 8K 166960K 82 0
ifgroup 51 2K 2K 166960K 135 0
sysctl 4 1K 9K 166960K 12 0
counters 68 36K 37K 166960K 140 0
ioctlops 0 0K 4K 166960K 1580 0
iov 1 2K 24K 166960K 71 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1459 92K 92K 166960K 1954 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 13 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 104 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 18 65K 97K 166960K 691 0
sigio 0 0K 0K 166960K 9 0
proc 64 99K 180K 166960K 590 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 0 0K 0K 166960K 111 0
in_multi 65 4K 7K 166960K 137 0
ether_multi 1 0K 0K 166960K 9 0
mrt 1 0K 0K 166960K 6 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 103 466K 466K 166960K 103 0
exec 0 0K 1K 166960K 442 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 263 156K 174K 166960K 8485 0
UVM aobj 21 10K 12K 166960K 26 0
pinsyscall 42 84K 108K 166960K 1825 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 38 0
NDP 11 0K 1K 166960K 51 0
temp 53 8674K 8800K 166960K 31717 0
kqueue 15 24K 28K 166960K 133 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 84 0 79 1 0 1 1 0 8 0
rtentry 176 165 0 86 6 0 6 6 0 8 0
unpcb 144 411 0 391 5 3 2 4 0 8 1
syncache 336 5 0 5 3 2 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 736 188 0 179 7 0 7 7 0 8 6
arp 136 24 0 11 1 0 1 1 0 8 0
inpcb 328 895 0 881 24 11 13 13 0 8 10
nd6 152 27 0 10 1 0 1 1 0 8 0
pkpcb 40 3 0 3 2 2 0 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 23 0 23 2 1 1 1 0 8 1
pppxif 1504 8 0 8 2 1 1 1 0 8 1
pffrag 232 37 0 32 1 0 1 1 0 482 0
pffrnode 88 37 0 32 1 0 1 1 0 8 0
pffrent 40 74 0 68 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
pfstkey 128 2 0 2 1 1 0 1 0 8 0
pfstate 448 1 0 1 1 1 0 1 0 8 0
rttmr 136 2 0 2 2 2 0 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 539 0 204 30 2 28 29 0 8 2
art_table 40 542 0 204 5 0 5 5 0 8 0
art_node 32 165 0 94 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 99 0 89 1 0 1 1 0 8 0
shmpl 112 19 0 3 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 2668 0 1165 96 0 96 96 0 8 0
ffsino 296 2668 0 1165 117 0 117 117 0 8 0
nchpl 144 3750 0 2043 64 0 64 64 0 8 0
rtmask 32 3 0 3 2 2 0 1 0 8 0
vnodes 216 3118 0 0 174 0 174 174 0 8 0
namei 1024 12356 0 12356 3 2 1 2 0 8 1
percpumem 16 85 0 36 1 0 1 1 0 8 0
vcpupl 3968 2 0 0 1 0 1 1 0 8 0
vmpool 848 4 0 2 1 0 1 1 0 8 0
kstatmem 264 74 0 48 4 1 3 3 0 8 1
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 23737 0 23737 10 9 1 8 1 8 1
plimitpl 152 240 0 223 1 0 1 1 0 8 0
sigapl 424 1024 0 976 8 0 8 8 0 8 1
knotepl 120 525 0 0 16 0 16 16 0 8 0
kqueuepl 224 237 0 226 3 0 3 3 0 8 2
pipepl 344 169 0 142 3 0 3 3 0 8 0
fdescpl 528 986 0 954 3 0 3 3 0 8 0
filepl 160 6034 0 5773 20 5 15 15 0 8 3
lockfpl 104 221 0 217 1 0 1 1 0 8 0
lockfspl 48 95 0 91 1 0 1 1 0 8 0
sessionpl 144 24 0 16 1 0 1 1 0 8 0
pgrppl 48 37 0 21 1 0 1 1 0 8 0
ucredpl 104 748 0 734 1 0 1 1 0 8 0
zombiepl 144 1201 0 1199 1 0 1 1 0 8 0
processpl 1232 1024 0 976 6 0 6 6 0 8 1
procpl 664 2061 0 1999 8 0 8 8 0 8 1
sosppl 176 1 0 1 1 0 1 1 0 8 1
sockpl 752 1478 0 1439 31 14 17 17 0 8 12
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 128 0 0 16 0 16 16 0 8 0
mcl2k 2048 30 0 0 4 0 4 4 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 250 0 0 16 0 16 16 0 8 0
bufpl 280 9663 0 3527 439 0 439 439 0 8 0
anonpl 32 12397 0 0 100 0 100 100 0 246 0
amapchunkpl 152 27917 0 27311 36 6 30 32 0 158 5
amappl16 200 4085 0 3954 38 25 13 26 0 8 6
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 14 0 14 2 2 0 1 0 8 0
amappl13 176 425 0 423 1 0 1 1 0 8 0
amappl12 168 1356 0 1315 3 0 3 3 0 8 0
amappl11 160 6 0 5 2 1 1 1 0 8 0
amappl10 152 47 0 33 1 0 1 1 0 8 0
amappl9 144 256 0 255 1 0 1 1 0 8 0
amappl8 136 31 0 28 1 0 1 1 0 8 0
amappl7 128 78 0 77 1 0 1 1 0 8 0
amappl6 120 293 0 279 1 0 1 1 0 8 0
amappl5 112 76 0 66 1 0 1 1 0 8 0
amappl4 104 428 0 399 1 0 1 1 0 8 0
amappl3 96 4648 0 4544 4 1 3 3 0 8 0
amappl2 88 1117 0 1042 2 0 2 2 0 8 0
amappl1 80 11522 0 10959 16 2 14 15 0 8 0
amappl 88 7627 0 7438 5 0 5 5 0 92 0
uvmvnodes 80 126 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 2 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 25 0 5 1 0 1 1 0 8 0
uaddrrnd 24 986 0 954 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 986 0 954 1 0 1 1 0 8 0
vmmpekpl 168 9780 0 9741 3 0 3 3 0 8 0
vmmpepl 168 69765 0 67710 112 8 104 106 0 357 11
vmsppl 488 985 0 954 5 1 4 5 0 8 0
rwobjpl 80 22006 0 20845 33 1 32 32 0 8 1
pdppl 4096 1987 0 1914 106 33 73 87 0 8 0
pvpl 32 19993 0 0 162 0 162 162 0 265 0
pmappl 256 989 0 956 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 298 0 43 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8389cff0) 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(ffffffff838b91c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838b91c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
scsi_xs_get(ffff8000002a4100,103) at scsi_xs_get+0x15f scsi_iopool_get sys/scsi/scsi_base.c:260 [inline]
scsi_xs_get(ffff8000002a4100,103) at scsi_xs_get+0x15f sys/scsi/scsi_base.c:655
sdactivate(ffff8000002a2c00,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline]
sdactivate(ffff8000002a2c00,6) at sdactivate+0x268 sys/scsi/sd.c:271
config_suspend(ffff8000002a2c00,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline]
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline]
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259
config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline]
config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896
config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896
config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896
pciactivate(ffff80000002ce00,6) at pciactivate+0xd8 sys/dev/pci/pci.c:230
config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline]
config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896
config_suspend_all(6) at config_suspend_all+0x49a config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_suspend_all(6) at config_suspend_all+0x49a sys/kern/subr_autoconf.c:858
end trace frame: 0xffff80003c444970, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff8389cff0) 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(ffffffff838b91c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838b91c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
scsi_xs_get(ffff8000002a4100,103) at scsi_xs_get+0x15f scsi_iopool_get sys/scsi/scsi_base.c:260 [inline]
scsi_xs_get(ffff8000002a4100,103) at scsi_xs_get+0x15f sys/scsi/scsi_base.c:655
sdactivate(ffff8000002a2c00,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline]
sdactivate(ffff8000002a2c00,6) at sdactivate+0x268 sys/scsi/sd.c:271
config_suspend(ffff8000002a2c00,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline]
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline]
scsibusactivate(ffff8000002a3500,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259
config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline]
config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896
config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896
config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896
pciactivate(ffff80000002ce00,6) at pciactivate+0xd8 sys/dev/pci/pci.c:230
config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline]
config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896
config_suspend_all(6) at config_suspend_all+0x49a config_suspend sys/kern/subr_autoconf.c:-1 [inline]
config_suspend_all(6) at config_suspend_all+0x49a sys/kern/subr_autoconf.c:858
boot(104) at boot+0x253 sys/arch/amd64/amd64/machdep.c:946
reboot(104) at reboot+0xb1
panic(ffffffff833e0381) at panic+0x1f9
kerntrap(ffff80003c444aa0) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff80000158d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,2,2000,ffff80003c426560) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,2,2000,ffff80003c426560) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80003c444c50) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806669ebf0,2,fffffd80097fd680,ffff80003c426560) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806d688b90,ffff80003c426560) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806d688b90,ffff80003c426560) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806d688b90,ffff80003c426560) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806d688b90,ffff80003c426560) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c426560) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff80003c426560,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c426560,ffff80003c444fc0,ffff80003c444f10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c444fc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c444fc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x771261b5a8d0, count: -31
ddb{0}> machine ddbcpu 1
Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x7ab4b2b05390, count: 14
ddb{1}> trace
proc_trampoline() at proc_trampoline+0xc7
end of kernel
end trace frame: 0x7ab4b2b05390, count: -1