uvm_fault(0xfffffd806d10c970, 0x2643d6318, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at refcnt_rele+0x158: movq 0(%rax,%r12,8),%r12
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*202506 94913 0 0x2 0 1 syz-executor
514880 90773 0 0x2 0 0 syz-executor
refcnt_rele(fffffd807f7d3068) at refcnt_rele+0x158 sys/kern/kern_synch.c:973
crfree(fffffd807f7d3068) at crfree+0x35 sys/kern/kern_prot.c:971
process_zap(ffff8000fffe1308) at process_zap+0x2aa proc_free sys/kern/kern_exit.c:434 [inline]
process_zap(ffff8000fffe1308) at process_zap+0x2aa sys/kern/kern_exit.c:875
dowait6(ffff80002a2bb4a0,0,0,ffff8000333eebdc,25,0,5a9748a36d66251,ffff8000333eed10) at dowait6+0xb30 sys/kern/kern_exit.c:553
sys_wait4(ffff80002a2bb4a0,ffff8000333eed10,ffff8000333eec60) at sys_wait4+0x13a sys/kern/kern_exit.c:694
syscall(ffff8000333eed10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000333eed10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b52a1fc9d10, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd806d10c970, 0x2643d6318, 0, 1) -> e
ddb{1}> trace
refcnt_rele(fffffd807f7d3068) at refcnt_rele+0x158 sys/kern/kern_synch.c:973
crfree(fffffd807f7d3068) at crfree+0x35 sys/kern/kern_prot.c:971
process_zap(ffff8000fffe1308) at process_zap+0x2aa proc_free sys/kern/kern_exit.c:434 [inline]
process_zap(ffff8000fffe1308) at process_zap+0x2aa sys/kern/kern_exit.c:875
dowait6(ffff80002a2bb4a0,0,0,ffff8000333eebdc,25,0,5a9748a36d66251,ffff8000333eed10) at dowait6+0xb30 sys/kern/kern_exit.c:553
sys_wait4(ffff80002a2bb4a0,ffff8000333eed10,ffff8000333eec60) at sys_wait4+0x13a sys/kern/kern_exit.c:694
syscall(ffff8000333eed10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000333eed10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b52a1fc9d10, count: -7
ddb{1}> show registers
rdi 0
rsi 0x5c18fb5a
rbp 0xffff8000333ee9c0
rbx 0
rdx 0
rcx 0xffff80002a2bb4a0
rax 0xffffffff83758848 dtps_static+0x108
r8 0x25
r9 0
r10 0x66a2488f690e5605
r11 0x891c3a877694dda4
r12 0x5c18fb5a
r13 0
r14 0x2
r15 0xfffffd807f7d3068
rip 0xffffffff8271f6a8 refcnt_rele+0x158
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff8000333ee980
ss 0x10
refcnt_rele+0x158: movq 0(%rax,%r12,8),%r12
ddb{1}> show proc
PROC (syz-executor) tid=202506 pid=94913 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffff0f88,0xffff80002a2ba550
process=0xffff8000fffe4e48 user=0xffff8000333e9000, vmspace=0xfffffd806d10c970
estcpu=36, cpticks=2, pctcpu=0.9, user=1, sys=34, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
59037 321787 69858 0 2 0 syz-executor
59037 157606 69858 0 3 0x4000080 sbwait syz-executor
59037 258072 69858 0 3 0x4000080 sbufrcv syz-executor
75227 251766 20902 0 2 0 syz-executor
75227 401093 20902 0 3 0x4000080 fsleep syz-executor
75227 418331 20902 0 3 0x4000080 fsleep syz-executor
75227 433911 20902 0 3 0x4000080 fsleep syz-executor
73644 354374 16598 0 2 0 syz-executor
73644 48223 16598 0 3 0x4000080 fsleep syz-executor
54896 155909 20691 0 2 0 syz-executor
54896 206970 20691 0 3 0x4000080 fsleep syz-executor
54896 316445 20691 0 3 0x4000080 fsleep syz-executor
78791 157758 4409 0 4 0x82000 syz-executor
78791 509199 4409 0 3 0x4082000 biowait syz-executor
78791 82688 4409 0 3 0x4002000 suspend syz-executor
16598 289181 84692 0 3 0x82 nanoslp syz-executor
4409 345051 84692 0 3 0x82 nanoslp syz-executor
22164 267990 0 0 3 0x14200 acct acct
20691 37604 84692 0 3 0x82 nanoslp syz-executor
31466 393675 1 0 3 0x100083 ttyin getty
67649 79545 0 0 3 0x14280 nfsidl nfsio
72030 123884 0 0 3 0x14280 nfsidl nfsio
33795 474559 0 0 3 0x14280 nfsidl nfsio
57423 512337 0 0 3 0x14280 nfsidl nfsio
6245 193598 0 0 3 0x14280 nfsidl nfsio
84698 224435 0 0 3 0x14280 nfsidl nfsio
21556 416409 0 0 3 0x14280 nfsidl nfsio
56879 337658 0 0 3 0x14280 nfsidl nfsio
56366 463981 0 0 3 0x14280 nfsidl nfsio
95130 77911 0 0 3 0x14280 nfsidl nfsio
95177 263419 0 0 3 0x14280 nfsidl nfsio
25742 146457 0 0 3 0x14280 nfsidl nfsio
23796 22004 0 0 3 0x14280 nfsidl nfsio
35175 45331 0 0 3 0x14280 nfsidl nfsio
24112 142034 0 0 3 0x14280 nfsidl nfsio
36722 320776 0 0 3 0x14280 nfsidl nfsio
60547 231432 0 0 3 0x14280 nfsidl nfsio
81525 327059 0 0 3 0x14280 nfsidl nfsio
94170 127827 0 0 3 0x14280 nfsidl nfsio
87732 506788 0 0 3 0x14280 nfsidl nfsio
69858 490223 84692 0 3 0x82 nanoslp syz-executor
*94913 202506 84692 0 7 0x2 syz-executor
67851 369888 0 0 3 0x14200 bored sosplice
90773 514880 84692 0 7 0x2 syz-executor
28106 319552 84692 0 3 0x2 biowait syz-executor
20902 119656 84692 0 3 0x82 nanoslp syz-executor
84692 127264 44131 0 3 0x82 kqread syz-executor
44131 157234 90030 0 3 0x10008a sigsusp ksh
90030 36001 63819 0 3 0x98 kqread sshd-session
63819 317181 54244 0 3 0x92 kqread sshd-session
54244 279058 1 0 3 0x88 kqread sshd
47170 154960 42851 74 3 0x1100092 bpf pflogd
42851 357776 1 0 3 0x80 sbwait pflogd
80416 109726 67925 73 3 0x1100090 kqread syslogd
67925 494490 1 0 3 0x100082 sbwait syslogd
35852 56862 1 0 3 0x100080 kqread resolvd
26379 228757 43888 77 3 0x100092 kqread dhcpleased
13849 82377 43888 77 3 0x100092 kqread dhcpleased
43888 400170 1 0 3 0x80 kqread dhcpleased
62308 190036 0 0 3 0x14200 bored smr
5539 371117 0 0 2 0x14200 zerothread
64323 329175 0 0 3 0x14200 aiodoned aiodoned
66892 90550 0 0 3 0x14200 syncer update
77317 17432 0 0 3 0x14200 cleaner cleaner
83467 187219 0 0 3 0x14200 reaper reaper
49241 37425 0 0 3 0x14200 pgdaemon pagedaemon
7118 198770 0 0 3 0x14200 bored viomb
73464 280559 0 0 3 0x40014200 acpi0 acpi0
91533 310646 0 0 3 0x40014200 idle1
23217 35621 0 0 3 0x14200 bored softnet3
597 479060 0 0 3 0x14200 bored softnet2
18544 373303 0 0 3 0x14200 bored softnet1
71182 498306 0 0 3 0x14200 bored softnet0
30806 85993 0 0 3 0x14200 bored systqmp
18402 518136 0 0 3 0x14200 bored systq
59879 315114 0 0 3 0x14200 tmoslp softclockmp
38503 328013 0 0 3 0x40014200 tmoslp softclock
72870 64445 0 0 3 0x40014200 idle0
1 74354 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 59037 (syz-executor) thread 0xffff8000ffff07d8 (157606)
exclusive rwlock sbufrcv r = 0 (0xffff80000163c100)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 sblock+0xb7 sys/kern/uipc_socket2.c:536
#3 soreceive+0x28e sys/kern/uipc_socket.c:881
#4 recvit+0x40a sys/kern/uipc_syscalls.c:1072
#5 sys_recvmmsg+0x3d3 sys/kern/uipc_syscalls.c:963
#6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
#7 Xsyscall+0x128
Process 78791 (syz-executor) thread 0xffff80003c429230 (509199)
exclusive rrwlock inode r = 0 (0xfffffd80727f8be8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x190 sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x23c sys/kern/sys_generic.c:380
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
#9 Xsyscall+0x128
Process 94913 (syz-executor) thread 0xffff80002a2bb4a0 (202506)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a15c38)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#1 syscall+0xae6 sys/arch/amd64/amd64/trap.c:579
#2 Xsyscall+0x128
Process 28106 (syz-executor) thread 0xffff80002a2ba7d0 (319552)
exclusive rrwlock inode r = 0 (0xfffffd806dd55d10)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2bd sys/kern/vfs_subr.c:693
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
#8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#11 namei+0x7aa sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864
#13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c87aaf8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
#6 namei+0x7aa sys/kern/vfs_lookup.c:250
#7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10244 11175K 11386K 166960K 14347 0
pcb 19 18K 27K 166960K 579 0
rtable 182 10K 11K 166960K 827 0
pf 37 18K 22K 166960K 219 0
ifaddr 31 5K 7K 166960K 143 0
ifgroup 47 2K 2K 166960K 252 0
sysctl 4 1K 1K 166960K 6 0
counters 60 35K 37K 166960K 378 0
ioctlops 0 0K 4K 166960K 1902 0
iov 1 4K 24K 166960K 168 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1462 92K 93K 166960K 3444 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 40 0
VM map 2 1K 1K 166960K 2 0
sem 23 6K 6K 166960K 38 0
dirhash 15 2K 2K 166960K 51 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 16 57K 236K 166960K 2187 0
sigio 0 0K 0K 166960K 63 0
proc 72 91K 128K 166960K 953 0
subproc 72 4K 4K 166960K 136 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 585 0
in_multi 54 4K 7K 166960K 233 0
ether_multi 1 0K 0K 166960K 10 0
mrt 1 0K 0K 166960K 15 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 807 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 4 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 259 168K 182K 166960K 21201 0
UVM aobj 43 4K 4K 166960K 48 0
pinsyscall 41 82K 104K 166960K 3485 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 155 0
NDP 10 0K 2K 166960K 101 0
temp 76 8664K 8920K 166960K 75437 0
kqueue 16 24K 32K 166960K 358 0
SYN cache 2 10K 18K 166960K 3 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 120 185 0 182 1 0 1 1 0 8 0
rtentry 176 258 0 187 6 0 6 6 0 8 0
unpcb 144 1205 0 1182 7 5 2 4 0 8 1
syncache 336 12 0 12 4 3 1 1 0 8 1
tcpqe 32 4 0 4 3 2 1 1 0 8 1
tcpcb 808 891 0 885 35 27 8 14 0 8 7
arp 128 39 0 21 1 0 1 1 0 8 0
inpcb 384 2817 0 2803 38 29 9 15 0 8 7
nd6 144 51 0 38 1 0 1 1 0 8 0
pkpcb 40 19 0 19 3 2 1 1 0 8 1
kcovpl 48 15 0 7 1 0 1 1 0 8 0
ppxss 1192 127 0 127 1 0 1 1 0 8 1
pppxif 1504 76 0 76 3 2 1 1 0 8 1
pfstscr 40 1 0 1 1 1 0 1 0 8 0
pffrag 232 13 0 6 1 0 1 1 0 482 0
pffrnode 88 10 0 3 1 0 1 1 0 8 0
pffrent 40 21 0 14 2 1 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
pfrktable 1344 5 0 2 1 0 1 1 0 8 0
pfanchor 1288 2 0 0 1 0 1 1 0 8 0
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 119 0 41 1 0 1 1 0 8 0
pfstkey 128 123 0 45 3 0 3 3 0 8 0
pfstate 384 120 0 43 8 0 8 8 0 8 0
pfsrctr 152 4 0 4 1 0 1 1 0 8 1
pfrule 1344 26 0 19 2 1 1 2 0 8 0
rttmr 136 2 0 2 2 1 1 1 0 8 1
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 882 0 615 31 11 20 29 0 8 0
art_table 32 886 0 615 4 0 4 4 0 8 0
art_node 16 223 0 161 1 0 1 1 0 8 0
sysvmsgpl 40 9 0 3 1 0 1 1 0 8 0
semupl 112 3 0 3 2 2 0 1 0 8 0
semapl 112 32 0 11 1 0 1 1 0 8 0
shmpl 112 45 0 5 2 0 2 2 0 8 0
dirhash 1024 43 0 24 3 0 3 3 0 8 0
dino2pl 256 5247 0 3724 96 0 96 96 0 8 0
ffsino 288 5247 0 3724 110 0 110 110 0 8 0
nchpl 144 8135 0 6427 64 0 64 64 0 8 0
rtmask 32 9 0 9 2 2 0 1 0 8 0
uvmvnodes 80 4835 0 0 99 0 99 99 0 8 0
vnodes 216 4835 0 0 269 0 269 269 0 8 0
namei 1024 29095 0 29095 2 1 1 2 0 8 1
percpumem 16 204 0 159 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 142 0 122 2 0 2 2 0 8 0
scsiplug 72 8 0 8 3 2 1 1 0 8 1
scxspl 216 32543 0 32541 13 12 1 8 1 8 0
plimitpl 152 591 0 573 1 0 1 1 0 8 0
sigapl 424 2496 0 2426 11 2 9 9 0 8 0
knotepl 120 853 0 0 25 0 25 25 0 8 0
kqueuepl 224 846 0 834 10 9 1 5 0 8 0
pipepl 336 486 0 459 12 7 5 6 0 8 2
fdescpl 520 2451 0 2421 3 0 3 3 0 8 0
filepl 160 16348 0 16115 26 12 14 18 0 8 2
lockfpl 104 658 0 653 1 0 1 1 0 8 0
lockfspl 48 252 0 247 1 0 1 1 0 8 0
sessionpl 144 38 0 29 1 0 1 1 0 8 0
pgrppl 48 75 0 58 1 0 1 1 0 8 0
ucredpl 104 2160 0 2146 1 0 1 1 0 8 0
zombiepl 144 2427 0 2426 2 1 1 1 0 8 0
processpl 1208 2496 0 2426 6 0 6 6 0 8 0
procpl 656 5743 0 5662 9 1 8 8 0 8 0
srpgc 96 20 0 20 4 3 1 1 0 8 1
sosppl 168 8 0 8 2 2 0 1 0 8 0
sockpl 728 4289 0 4249 34 23 11 16 0 8 6
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl16k 16384 7 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 117 0 0 15 0 15 15 0 8 0
mcl2k 2048 39 0 0 4 0 4 4 0 8 0
mtagpl 96 86 0 0 3 0 3 3 0 8 0
mbufpl 256 258 0 0 16 0 16 16 0 8 0
bufpl 280 10217 0 4074 439 0 439 439 0 8 0
anonpl 32 11178 0 0 90 0 90 90 0 246 0
amapchunkpl 152 69921 0 69287 40 9 31 32 0 158 4
amappl16 200 6364 0 6034 37 19 18 18 0 8 0
amappl15 192 4 0 4 2 2 0 1 0 8 0
amappl14 184 145 0 133 1 0 1 1 0 8 0
amappl13 176 6 0 6 3 2 1 1 0 8 1
amappl12 168 3266 0 3236 3 1 2 3 0 8 0
amappl11 160 54 0 39 1 0 1 1 0 8 0
amappl10 152 16 0 16 1 1 0 1 0 8 0
amappl9 144 279 0 279 1 1 0 1 0 8 0
amappl8 136 24 0 21 1 0 1 1 0 8 0
amappl7 128 176 0 164 1 0 1 1 0 8 0
amappl6 120 257 0 254 1 0 1 1 0 8 0
amappl5 112 179 0 169 1 0 1 1 0 8 0
amappl4 104 363 0 344 1 0 1 1 0 8 0
amappl3 96 14589 0 14472 4 0 4 4 0 8 0
amappl2 88 793 0 730 2 0 2 2 0 8 0
amappl1 80 18371 0 17766 18 3 15 15 0 8 0
amappl 88 19976 0 19794 5 0 5 5 0 92 0
dma65536 65536 1 0 1 1 1 0 1 0 8 0
dma32768 32768 1 0 1 1 1 0 1 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
dma2048 2048 2 0 2 2 1 1 1 0 8 1
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 128 256 0 256 3 3 0 1 0 8 0
dma64 64 8 0 8 3 3 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 21 0 20 1 0 1 1 0 8 0
aobjpl 72 47 0 5 1 0 1 1 0 8 0
uaddrrnd 24 2451 0 2421 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2451 0 2421 1 0 1 1 0 8 0
vmmpekpl 168 20320 0 20261 3 0 3 3 0 8 0
vmmpepl 168 157228 0 154946 120 12 108 108 0 357 0
vmsppl 480 2450 0 2421 6 1 5 5 0 8 0
rwobjpl 72 44326 0 38178 116 3 113 113 0 8 0
pdppl 4096 4909 0 4842 119 46 73 83 0 8 6
pvpl 32 19876 0 0 162 1 161 161 0 265 0
pmappl 256 2450 0 2421 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 466 0 101 11 0 11 11 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff8388bff0) 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(ffffffff83a15a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144
intr_handler(ffff80002a3dcbc0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144
syscall(ffff80002a3dcd90) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3dcd90) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c64abb50d40, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff8388bff0) 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(ffffffff83a15a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144
intr_handler(ffff80002a3dcbc0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83a15a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144
syscall(ffff80002a3dcd90) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3dcd90) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c64abb50d40, count: -9
ddb{0}> machine ddbcpu 1
Stopped at refcnt_rele+0x158: movq 0(%rax,%r12,8),%r12
refcnt_rele(fffffd807f7d3068) at refcnt_rele+0x158 sys/kern/kern_synch.c:973
crfree(fffffd807f7d3068) at crfree+0x35 sys/kern/kern_prot.c:971
process_zap(ffff8000fffe1308) at process_zap+0x2aa proc_free sys/kern/kern_exit.c:434 [inline]
process_zap(ffff8000fffe1308) at process_zap+0x2aa sys/kern/kern_exit.c:875
dowait6(ffff80002a2bb4a0,0,0,ffff8000333eebdc,25,0,5a9748a36d66251,ffff8000333eed10) at dowait6+0xb30 sys/kern/kern_exit.c:553
sys_wait4(ffff80002a2bb4a0,ffff8000333eed10,ffff8000333eec60) at sys_wait4+0x13a sys/kern/kern_exit.c:694
syscall(ffff8000333eed10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000333eed10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b52a1fc9d10, count: 8
ddb{1}> trace
refcnt_rele(fffffd807f7d3068) at refcnt_rele+0x158 sys/kern/kern_synch.c:973
crfree(fffffd807f7d3068) at crfree+0x35 sys/kern/kern_prot.c:971
process_zap(ffff8000fffe1308) at process_zap+0x2aa proc_free sys/kern/kern_exit.c:434 [inline]
process_zap(ffff8000fffe1308) at process_zap+0x2aa sys/kern/kern_exit.c:875
dowait6(ffff80002a2bb4a0,0,0,ffff8000333eebdc,25,0,5a9748a36d66251,ffff8000333eed10) at dowait6+0xb30 sys/kern/kern_exit.c:553
sys_wait4(ffff80002a2bb4a0,ffff8000333eed10,ffff8000333eec60) at sys_wait4+0x13a sys/kern/kern_exit.c:694
syscall(ffff8000333eed10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000333eed10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b52a1fc9d10, count: -7