uvm_fault(0xfffffd806c8e0d70, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*379238 9623 0 0 0x4000000 0K syz-executor
352083 46443 0 0x1000 0x4080000 1 syz-executor
dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a2bc910) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805d2622b8,81,fffffd80097fd4e0,ffff80002dbbb4f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806ad93698,ffff80002dbbb4f0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806ad93698,ffff80002dbbb4f0) at closef+0x192 sys/kern/kern_descrip.c:1265
syscall(ffff80002a2bcb70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2bcb70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3a1e2c34af0, count: 6
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(0xfffffd806c8e0d70, 0x0, 0, 1) -> e
ddb{0}> trace
dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a2bc910) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805d2622b8,81,fffffd80097fd4e0,ffff80002dbbb4f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806ad93698,ffff80002dbbb4f0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806ad93698,ffff80002dbbb4f0) at closef+0x192 sys/kern/kern_descrip.c:1265
syscall(ffff80002a2bcb70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2bcb70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3a1e2c34af0, count: -9
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002a2bc840
rbx 0x1
rdx 0
rcx 0xffff80002dbbb4f0
rax 0xffffffff838f4fa0 dt_prov_syscall
r8 0xffffffff82f2e680 uvm_map_inentry_sp
r9 0x1
r10 0
r11 0x665ae552bb8c5fed
r12 0
r13 0
r14 0
r15 0xffff80000162ae00
rip 0xffffffff82270738 dt_ioctl_record_stop+0x108
cs 0x8
rflags 0x10207 __ALIGN_SIZE+0xf207
rsp 0xffff80002a2bc810
ss 0x10
dt_ioctl_record_stop+0x108: movq 0(%r14),%r14
ddb{0}> show proc
PROC (syz-executor) tid=379238 pid=9623 tcnt=4 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=0xffff80002dbba030,0xffff80002dbba2d8
process=0xffff80003a7df510 user=0xffff80002a2b7000, vmspace=0xfffffd806c8e0d70
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
18461 485189 56650 0 2 0 syz-executor
84405 514629 5606 0 3 0x80 fsleep syz-executor
84405 267035 5606 0 3 0x4000080 fsleep syz-executor
84405 431290 5606 0 2 0x4000000 syz-executor
84405 290464 5606 0 3 0x4000080 fsleep syz-executor
9623 301556 40170 0 2 0 syz-executor
* 9623 379238 40170 0 7 0x4000000 syz-executor
9623 200740 40170 0 3 0x4000080 fsleep syz-executor
9623 494430 40170 0 3 0x4000080 fsleep syz-executor
94816 139215 39963 0 3 0x80 fsleep syz-executor
94816 234477 39963 0 3 0x4000080 lockf syz-executor
27693 87627 84158 0 3 0x82 piperd syz-executor
46443 384511 53897 0 3 0x3000 suspend syz-executor
46443 81172 53897 0 2 0x4081000 syz-executor
46443 352083 53897 0 7 0x4081000 syz-executor
46443 335466 53897 0 3 0x4081000 fltagain2 syz-executor
46443 301593 53897 0 2 0x4081c00 syz-executor
46443 228220 53897 0 3 0x4081000 fltagain2 syz-executor
46443 334125 53897 0 3 0x4081000 fltagain2 syz-executor
46443 423264 53897 0 2 0x4081000 syz-executor
46443 228009 53897 0 2 0x4081000 syz-executor
7833 419066 0 0 3 0x14200 acct acct
98303 205755 21738 0 4 0x82000 syz-executor
98303 325885 21738 0 2 0x4082000 syz-executor
98303 73787 21738 0 3 0x4082000 inode syz-executor
98303 377717 21738 0 3 0x4082000 inode syz-executor
98303 407632 21738 0 3 0x4082000 inode syz-executor
98303 178500 21738 0 4 0x4082000 syz-executor
98303 358907 21738 0 3 0x4002000 suspend syz-executor
53897 79512 84158 0 2 0xc82 syz-executor
56650 16769 84158 0 3 0x82 nanoslp syz-executor
70956 366442 84158 0 2 0x2 syz-executor
40170 252745 84158 0 3 0x82 nanoslp syz-executor
39963 85496 84158 0 3 0x82 nanoslp syz-executor
5606 158965 84158 0 2 0xc82 syz-executor
21738 292502 84158 0 3 0x82 wait syz-executor
84158 89007 14278 0 2 0x3 syz-executor
14278 71081 74798 0 3 0x10008a sigsusp ksh
74798 84632 51317 0 3 0x98 kqread sshd-session
51317 325609 21016 0 3 0x92 kqread sshd-session
66189 282876 1 0 3 0x100083 ttyin getty
21016 196127 1 0 3 0x88 kqread sshd
28179 435897 34566 74 3 0x1100092 bpf pflogd
34566 485408 1 0 3 0x80 sbwait pflogd
27934 401064 69819 73 3 0x1100090 kqread syslogd
69819 167611 1 0 3 0x100082 sbwait syslogd
61048 188625 1 0 3 0x100080 kqread resolvd
28550 71065 50588 77 3 0x100092 kqread dhcpleased
91604 504756 50588 77 3 0x100092 kqread dhcpleased
50588 266352 1 0 3 0x80 kqread dhcpleased
79079 137260 0 0 3 0x14200 bored smr
5373 330115 0 0 2 0x14200 zerothread
28155 261966 0 0 3 0x14200 aiodoned aiodoned
88873 23217 0 0 3 0x14200 syncer update
67057 371781 0 0 3 0x14200 cleaner cleaner
1741 63535 0 0 3 0x14200 reaper reaper
10077 427043 0 0 3 0x14200 pgdaemon pagedaemon
55277 89225 0 0 3 0x14200 bored viomb
63996 356498 0 0 3 0x40014200 acpi0 acpi0
4925 158117 0 0 3 0x40014200 idle1
33711 217264 0 0 3 0x14200 bored softnet1
70131 475720 0 0 3 0x14200 bored softnet0
80591 53310 0 0 3 0x14200 bored systqmp
8395 316296 0 0 3 0x14200 bored systq
94756 325805 0 0 3 0x14200 tmoslp softclockmp
62195 516616 0 0 3 0x40014200 tmoslp softclock
26161 295303 0 0 3 0x40014200 idle0
1 399573 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_timeout.c:62 r = 0 (0xffffffff8394e5f0)
#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 timeout_del+0x3a sys/kern/kern_timeout.c:480
#3 sleep_finish+0x36a sys/kern/kern_synch.c:411
#4 uvm_fault_lower_io+0x382 sys/uvm/uvm_fault.c:1622
#5 uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
#6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
#7 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#8 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#9 alltraps_kern_meltdown+0x7b
#10 _copyin+0x5b
#11 sys_connect+0x246 sys/kern/uipc_syscalls.c:402
#12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
Process 9623 (syz-executor) thread 0xffff80002dbbb4f0 (379238)
exclusive rwlock dtlk r = 0 (0xffffffff838d6408)
#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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572
#3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
#3 dtclose+0x109 sys/dev/dt/dt_dev.c:239
#4 spec_close+0x466 sys/kern/spec_vnops.c:-1
#5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
#6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
#6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615
#7 fdrop+0x121 sys/kern/kern_descrip.c:1281
#8 closef+0x192 sys/kern/kern_descrip.c:1265
#9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#10 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83991440)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608
#2 fdrop+0x121 sys/kern/kern_descrip.c:1281
#3 closef+0x192 sys/kern/kern_descrip.c:1265
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
Process 46443 (syz-executor) thread 0xffff8000fffee548 (81172)
exclusive rrwlock inode r = 0 (0xfffffd80766f3ca8)
#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:570
#5 vn_write+0x18f sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 46443 (syz-executor) thread 0xffff8000fffef770 (423264)
shared rwlock amaplk r = 0 (0xfffffd805e845928)
#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 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834
#3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#4 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
#5 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
#6 alltraps_kern_meltdown+0x7b
#7 _copyinstr+0x5e
#8 namei+0x190 sys/kern/vfs_lookup.c:156
#9 vn_open+0x1f1 sys/kern/vfs_vnops.c:107
#10 doopenat+0x35b sys/kern/vfs_syscalls.c:1155
#11 sys_open+0x59 sys/kern/vfs_syscalls.c:1063
#12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
shared rwlock vmmaplk r = 0 (0xfffffd80768016c0)
#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+0x19d sys/arch/amd64/amd64/trap.c:528
#7 alltraps_kern_meltdown+0x7b
#8 _copyinstr+0x5e
#9 namei+0x190 sys/kern/vfs_lookup.c:156
#10 vn_open+0x1f1 sys/kern/vfs_vnops.c:107
#11 doopenat+0x35b sys/kern/vfs_syscalls.c:1155
#12 sys_open+0x59 sys/kern/vfs_syscalls.c:1063
#13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
Process 98303 (syz-executor) thread 0xffff800036bbca80 (325885)
exclusive rrwlock inode r = 0 (0xfffffd80692de690)
#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:570
#5 vn_write+0x18f sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x2bd sys/kern/sys_generic.c:384
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 98303 (syz-executor) thread 0xffff800036bbcfb0 (73787)
exclusive rrwlock inode r = 0 (0xfffffd806e76c100)
#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:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 dofchmodat+0x162 sys/kern/vfs_syscalls.c:2405
#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
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11070 12151K 12434K 166960K 12541 0
pcb 17 16K 18K 166960K 80 0
rtable 230 8K 8K 166960K 445 0
pf 34 17K 21K 166960K 93 0
ifaddr 39 6K 7K 166960K 66 0
ifgroup 51 2K 2K 166960K 91 0
sysctl 3 1K 9K 166960K 9 0
counters 68 36K 37K 166960K 104 0
ioctlops 1 0K 4K 166960K 1537 0
iov 0 0K 16K 166960K 9 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1384 87K 87K 166960K 1749 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 11 16K 16K 166960K 13 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 93K 166960K 420 0
sigio 0 0K 0K 166960K 1 0
proc 72 115K 180K 166960K 631 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 34 0
in_multi 88 6K 7K 166960K 138 0
ether_multi 1 0K 0K 166960K 5 0
mrt 0 0K 0K 166960K 14 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 433 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 254 162K 176K 166960K 5601 0
UVM aobj 6 2K 2K 166960K 6 0
pinsyscall 41 82K 104K 166960K 1639 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 15 0
NDP 11 0K 2K 166960K 44 0
temp 53 9077K 9144K 166960K 10939 0
kqueue 13 20K 28K 166960K 77 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 52 0 49 1 0 1 1 0 8 0
rtentry 176 137 0 36 6 0 6 6 0 8 0
unpcb 144 137 0 116 1 0 1 1 0 8 0
syncache 336 7 0 7 1 1 0 1 0 8 0
tcpcb 736 200 0 196 13 12 1 13 0 8 0
arp 136 23 0 6 1 0 1 1 0 8 0
inpcb 328 505 0 496 18 17 1 18 0 8 0
nd6 152 31 0 9 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
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 12 0 12 1 0 1 1 0 8 1
pppxif 1576 1 0 1 1 1 0 1 0 8 0
pfstscr 40 4 0 3 1 0 1 1 0 8 0
pffrag 232 4 0 1 1 0 1 1 0 482 0
pffrnode 88 4 0 1 1 0 1 1 0 8 0
pffrent 40 7 0 4 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
pfanchor 1288 3 0 0 1 0 1 1 0 8 0
pfstitem 24 42 0 0 1 0 1 1 0 8 0
pfstkey 128 45 0 3 2 0 2 2 0 8 0
pfstate 448 43 0 2 5 0 5 5 0 8 0
pfrule 1360 27 0 20 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 552 0 138 29 0 29 29 0 8 0
art_table 40 553 0 138 5 0 5 5 0 8 0
art_node 32 136 0 45 1 0 1 1 0 8 0
sysvmsgpl 40 11 0 7 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 9 0 0 1 0 1 1 0 8 0
shmpl 112 3 0 0 1 0 1 1 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 2092 0 625 93 0 93 93 0 8 0
ffsino 296 2092 0 625 114 0 114 114 0 8 0
nchpl 144 2625 0 916 64 0 64 64 0 8 0
rtmask 32 1 0 1 1 0 1 1 0 8 1
vnodes 216 2457 0 0 137 0 137 137 0 8 0
namei 1024 8533 0 8526 3 1 2 2 0 8 0
percpumem 16 67 0 18 1 0 1 1 0 8 0
kstatmem 264 50 0 26 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 14123 0 14123 5 4 1 3 1 8 1
plimitpl 152 74 0 55 1 0 1 1 0 8 0
sigapl 424 735 0 688 7 1 6 7 0 8 0
knotepl 120 485 0 0 15 0 15 15 0 8 0
kqueuepl 224 108 0 98 2 1 1 2 0 8 0
pipepl 344 158 0 131 3 0 3 3 0 8 0
fdescpl 528 718 0 688 3 0 3 3 0 8 0
filepl 160 3468 0 3239 18 7 11 18 0 8 1
lockfpl 104 179 0 175 2 1 1 2 0 8 0
lockfspl 48 85 0 82 1 0 1 1 0 8 0
sessionpl 144 36 0 27 1 0 1 1 0 8 0
pgrppl 48 49 0 32 1 0 1 1 0 8 0
ucredpl 104 310 0 297 1 0 1 1 0 8 0
zombiepl 144 704 0 704 1 0 1 1 0 8 1
processpl 1232 735 0 688 5 0 5 5 0 8 0
procpl 664 1182 0 1114 7 0 7 7 0 8 0
sosppl 176 4 0 4 1 1 0 1 0 8 0
sockpl 752 707 0 674 24 20 4 24 0 8 0
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 129 0 0 17 0 17 17 0 8 0
mcl2k 2048 17 0 0 3 0 3 3 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 179 0 0 12 0 12 12 0 8 0
bufpl 280 5703 0 106 400 0 400 400 0 8 0
anonpl 32 12911 0 0 105 0 105 105 0 246 0
amapchunkpl 152 16731 0 15998 33 1 32 32 0 158 2
amappl16 200 1729 0 1463 26 1 25 25 0 8 0
amappl15 192 51 0 50 1 0 1 1 0 8 0
amappl14 184 461 0 459 1 0 1 1 0 8 0
amappl13 176 129 0 117 1 0 1 1 0 8 0
amappl12 168 978 0 949 2 0 2 2 0 8 0
amappl11 160 95 0 95 1 1 0 1 0 8 0
amappl10 152 64 0 50 1 0 1 1 0 8 0
amappl9 144 274 0 273 1 0 1 1 0 8 0
amappl8 136 113 0 111 1 0 1 1 0 8 0
amappl7 128 151 0 138 1 0 1 1 0 8 0
amappl6 120 177 0 175 1 0 1 1 0 8 0
amappl5 112 96 0 86 1 0 1 1 0 8 0
amappl4 104 299 0 280 1 0 1 1 0 8 0
amappl3 96 3231 0 3113 4 0 4 4 0 8 0
amappl2 88 582 0 521 2 0 2 2 0 8 0
amappl1 80 12036 0 11437 16 0 16 16 0 8 1
amappl 88 4770 0 4587 5 0 5 5 0 92 0
uvmvnodes 80 118 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 128 253 0 253 1 1 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 5 0 0 1 0 1 1 0 8 0
uaddrrnd 24 718 0 688 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 718 0 688 1 0 1 1 0 8 0
vmmpekpl 168 8003 0 7952 3 0 3 3 0 8 0
vmmpepl 168 54382 0 52236 108 0 108 108 0 357 0
vmsppl 488 717 0 688 5 0 5 5 0 8 0
rwobjpl 80 17919 0 16595 32 0 32 32 0 8 0
pdppl 4096 1443 0 1376 105 34 71 85 0 8 4
pvpl 32 21185 0 0 171 0 171 171 0 265 0
pmappl 256 717 0 688 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 296 0 52 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
dt_ioctl_record_stop(ffff800001686000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff80002dbbb4f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a2bc910) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805d2622b8,81,fffffd80097fd4e0,ffff80002dbbb4f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806ad93698,ffff80002dbbb4f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806ad93698,ffff80002dbbb4f0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffd806ad93698,ffff80002dbbb4f0) at closef+0x192 sys/kern/kern_descrip.c:1265
syscall(ffff80002a2bcb70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2bcb70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3a1e2c34af0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff8000299bdff0) 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(ffffffff83990c40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83990c40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
uvn_io(fffffd806c56b740,ffff80003c41b438,1,202,0) at uvn_io+0x3d4 sys/uvm/uvm_vnode.c:1225
uvn_get(fffffd806c56b740,0,ffff80003c41b508,ffff80003c41b4ec,0,1,9e7215292fb433f1,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff80003c41b720,ffff80003c41b758,ffff80003c41b5a0,ffff80003c41b588) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80003c41b720,ffff80003c41b758,ffff80003c41b6a0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffffd80768015c0,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80003c41b8d0,200000000180) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff80003c41b8d0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
sys_connect(ffff80003a7ecd20,ffff80003c41bb50,ffff80003c41baa0) at sys_connect+0x246 sys/kern/uipc_syscalls.c:402
end trace frame: 0xffff80003c41bb40, count: 0
ddb{1}> trace
x86_ipi_db(ffff8000299bdff0) 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(ffffffff83990c40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83990c40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
uvn_io(fffffd806c56b740,ffff80003c41b438,1,202,0) at uvn_io+0x3d4 sys/uvm/uvm_vnode.c:1225
uvn_get(fffffd806c56b740,0,ffff80003c41b508,ffff80003c41b4ec,0,1,9e7215292fb433f1,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075
uvm_fault_lower_io(ffff80003c41b720,ffff80003c41b758,ffff80003c41b5a0,ffff80003c41b588) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612
uvm_fault_lower(ffff80003c41b720,ffff80003c41b758,ffff80003c41b6a0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381
uvm_fault(fffffd80768015c0,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
kpageflttrap(ffff80003c41b8d0,200000000180) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283
kerntrap(ffff80003c41b8d0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
_copyin() at _copyin+0x5b
sys_connect(ffff80003a7ecd20,ffff80003c41bb50,ffff80003c41baa0) at sys_connect+0x246 sys/kern/uipc_syscalls.c:402
syscall(ffff80003c41bb50) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c41bb50) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x480ad59b980, count: -16