witness: lock order reversal:
1st 0xffff800001411888 sbufsnd (&so->so_snd.sb_lock)
2nd 0xfffffd806f286520 inode (&ip->i_lock)
lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff831200d7 -> 0xffffffff830ce0dc is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
#1 sblock+0xb7 sys/kern/uipc_socket2.c:537
#2 soreceive+0x28e sys/kern/uipc_socket.c:879
#3 fifo_read+0x11a sys/miscfs/fifofs/fifo_vnops.c:264
#4 VOP_READ+0x102 sys/kern/vfs_vops.c:227
#5 vn_rdwr+0x15b
#6 vndsetcred+0xa1 sys/dev/vnd.c:684
#7 vndioctl+0xe6c sys/dev/vnd.c:485
#8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x5c3
#11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#12 Xsyscall+0x128
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock)
#0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
#1 sblock+0xb7 sys/kern/uipc_socket2.c:537
#2 sosplice+0x40d sys/kern/uipc_socket.c:1361
#3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221
#4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
witness_checkorder(fffffd806f286520,9,0) at witness_checkorder+0x1047
rw_do_enter_write(fffffd806f286508,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806f286508,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd805b447db8,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd805b447db8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80002a4f60c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80002a4f60c8) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff8000014116c8,fffffd80606d1800,ffff80002a4191f0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff8000014116c8,fffffd805b234000,fffffd80606d1800,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff8000014116c8,fffffd80606d1800,ffff80002a4f6348,0,0,8) at sosend+0x804
sendit(ffff80002a4191f0,5,ffff80002a4f64c0,8,ffff80002a4f6580) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80002a4191f0,ffff80002a4f6630,ffff80002a4f6580) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80002a4f6630) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4f6630) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf1485e180b0, count: -15
ddb{0}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80002a4f5d40
rbx 0xfffffd80043423e8
rdx 0xffff800000045640
rcx 0xffff80002a4191f0
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80002a4f5c20
r9 0x8080808080808080
r10 0x687045ca0d97046
r11 0x444a01d60c6bb82
r12 0
r13 0xfffffd8003b5af00
r14 0x3
r15 0xffffffff
rip 0xffffffff824c8055 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a4f5d30
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=486183 pid=95244 tcnt=2 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffaf40,0xffff8000306362d8
process=0xffff800030613000 user=0xffff80002a4f1000, vmspace=0xfffffd8079fcc590
estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
78748 147028 18742 0 2 0 syz-executor
78748 249291 18742 0 3 0x4000080 fsleep syz-executor
33327 299489 66000 0 2 0 syz-executor
33327 271262 66000 0 3 0x4000080 fsleep syz-executor
33327 282890 66000 0 3 0x4000080 fsleep syz-executor
10156 125141 23757 0 2 0 syz-executor
10156 186087 23757 0 3 0x4000080 fsleep syz-executor
69061 406476 7777 0 3 0x80 nanoslp syz-executor
69061 404858 7777 0 3 0x4000080 kqread syz-executor
69061 231720 7777 0 3 0x4000080 fsleep syz-executor
7519 450343 95037 0 2 0 syz-executor
7519 472840 95037 0 3 0x4000080 fsleep syz-executor
95244 228755 42433 60929 2 0x10 syz-executor
*95244 486183 42433 60929 7 0x4000010 syz-executor
33522 162742 42707 0 2 0 syz-executor
33522 314965 42707 0 3 0x4000080 sbwait syz-executor
33522 366389 42707 0 3 0x4000000 inode syz-executor
33522 255249 42707 0 3 0x4000000 inode syz-executor
33522 276865 42707 0 3 0x4000000 inode syz-executor
23757 444008 22945 0 3 0x82 nanoslp syz-executor
66000 351873 22945 0 3 0x82 nanoslp syz-executor
18742 343533 22945 0 3 0x82 nanoslp syz-executor
73082 384806 0 0 3 0x14200 acct acct
66166 23464 1 0 3 0x100083 ttyin getty
75259 355173 22945 0 3 0x2 biowait syz-executor
75085 417313 0 0 3 0x14280 nfsidl nfsio
56948 83741 0 0 3 0x14280 nfsidl nfsio
38531 166046 0 0 3 0x14280 nfsidl nfsio
91547 146087 0 0 3 0x14280 nfsidl nfsio
17080 502650 0 0 3 0x14280 nfsidl nfsio
44698 198800 0 0 3 0x14280 nfsidl nfsio
79134 465112 0 0 3 0x14280 nfsidl nfsio
21472 198510 0 0 3 0x14280 nfsidl nfsio
58339 260643 0 0 3 0x14280 nfsidl nfsio
9944 196008 0 0 3 0x14280 nfsidl nfsio
73678 13696 0 0 3 0x14280 nfsidl nfsio
79118 118862 0 0 3 0x14280 nfsidl nfsio
59458 490779 0 0 3 0x14280 nfsidl nfsio
4053 234078 0 0 3 0x14280 nfsidl nfsio
20787 34027 0 0 3 0x14280 nfsidl nfsio
41738 388165 0 0 3 0x14280 nfsidl nfsio
87686 205520 0 0 3 0x14280 nfsidl nfsio
40954 358800 0 0 3 0x14280 nfsidl nfsio
77521 309489 0 0 3 0x14280 nfsidl nfsio
58360 520355 0 0 3 0x14280 nfsidl nfsio
95037 516680 22945 0 3 0x82 nanoslp syz-executor
27344 385753 0 0 3 0x14200 bored sosplice
42707 353669 22945 0 3 0x82 nanoslp syz-executor
7777 53541 22945 0 3 0x82 nanoslp syz-executor
42433 383936 22945 0 3 0x82 nanoslp syz-executor
22945 178895 29634 0 3 0x82 kqread syz-executor
29634 142633 59484 0 3 0x10008a sigsusp ksh
59484 169625 63944 0 3 0x98 kqread sshd-session
63944 388157 8535 0 3 0x92 kqread sshd-session
8535 322680 1 0 3 0x88 kqread sshd
67284 233369 90304 74 3 0x1100092 bpf pflogd
90304 256246 1 0 3 0x80 sbwait pflogd
77776 301741 25408 73 3 0x1100090 kqread syslogd
25408 460633 1 0 3 0x100082 sbwait syslogd
43147 291910 1 0 3 0x100080 kqread resolvd
92786 204796 52072 77 3 0x100092 kqread dhcpleased
35034 11877 52072 77 3 0x100092 kqread dhcpleased
52072 472898 1 0 3 0x80 kqread dhcpleased
8180 405391 0 0 3 0x14200 bored smr
15155 451958 0 0 2 0x14200 zerothread
51004 81214 0 0 3 0x14200 aiodoned aiodoned
17843 90435 0 0 3 0x14200 syncer update
39687 112782 0 0 3 0x14200 cleaner cleaner
8059 30175 0 0 3 0x14200 reaper reaper
34925 517470 0 0 3 0x14200 pgdaemon pagedaemon
40335 464602 0 0 3 0x14200 bored viomb
56515 1509 0 0 3 0x40014200 acpi0 acpi0
92384 356934 0 0 7 0x40014200 idle1
88171 53582 0 0 3 0x14200 bored softnet3
81182 92400 0 0 3 0x14200 bored softnet2
95212 405613 0 0 3 0x14200 bored softnet1
40400 205225 0 0 3 0x14200 bored softnet0
23558 221382 0 0 3 0x14200 bored systqmp
38584 7049 0 0 3 0x14200 bored systq
32929 178991 0 0 3 0x14200 tmoslp softclockmp
413 302985 0 0 3 0x40014200 tmoslp softclock
1185 365009 0 0 3 0x40014200 idle0
1 187127 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 95244 (syz-executor) thread 0xffff80002a4191f0 (486183)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835c0060)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868
#2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
#3 sosend+0x804
#4 sendit+0x721 sys/kern/uipc_syscalls.c:779
#5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
#6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
exclusive rwlock sbufsnd r = 0 (0xffff800001411888)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 sblock+0xb7 sys/kern/uipc_socket2.c:537
#3 sosend+0x2e2 sys/kern/uipc_socket.c:628
#4 sendit+0x721 sys/kern/uipc_syscalls.c:779
#5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
#6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
Process 33522 (syz-executor) thread 0xffff80003c5b27c8 (314965)
exclusive rrwlock inode r = 0 (0xfffffd806114db98)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#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:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2bd sys/kern/vfs_subr.c:694
#6 cache_lookup+0x36e sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
#10 namei+0x7aa sys/kern/vfs_lookup.c:250
#11 vn_open+0x13f sys/kern/vfs_vnops.c:140
#12 vndioctl+0xcb1 sys/dev/vnd.c:457
#13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#15 sys_ioctl+0x5c3
#16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#17 Xsyscall+0x128
Process 33522 (syz-executor) thread 0xffff80002a419c10 (276865)
exclusive rrwlock inode r = 0 (0xfffffd806114da80)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#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:524
#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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1575
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
Process 75259 (syz-executor) thread 0xffff80002a4182c0 (355173)
exclusive rrwlock inode r = 0 (0xfffffd806ea0adc0)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#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:524
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3102
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b3f0ab8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#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:524
#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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3087
#8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10244 11177K 15329K 166960K 16544 0
pcb 17 20K 23K 166960K 1063 0
rtable 148 6K 8K 166960K 1192 0
pf 36 18K 26K 166960K 227 0
ifaddr 34 5K 7K 166960K 137 0
ifgroup 55 2K 3K 166960K 198 0
sysctl 4 1K 3K 166960K 11 0
counters 64 36K 37K 166960K 144 0
ioctlops 0 0K 4K 166960K 1761 0
iov 0 0K 32K 166960K 255 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1488 93K 95K 166960K 4508 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 75 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 177 0
dirhash 12 2K 3K 166960K 102 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 17 61K 85K 166960K 3127 0
sigio 1 0K 0K 166960K 64 0
proc 72 91K 128K 166960K 1023 0
subproc 72 4K 4K 166960K 127 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 684 0
in_multi 52 3K 7K 166960K 339 0
ether_multi 1 0K 0K 166960K 35 0
mrt 1 0K 0K 166960K 10 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 247 1102K 1102K 166960K 247 0
exec 0 0K 1K 166960K 1048 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 241 73K 96K 166960K 31181 0
UVM aobj 22 4K 4K 166960K 27 0
pinsyscall 42 84K 100K 166960K 4459 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 235 0
NDP 12 0K 2K 166960K 95 0
temp 86 6900K 7156K 166960K 135219 0
kqueue 14 22K 34K 166960K 512 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 307 0 304 3 2 1 2 0 8 0
rtentry 112 420 0 360 4 0 4 4 0 8 1
unpcb 144 2709 0 2682 19 17 2 6 0 8 1
syncache 336 22 0 22 6 6 0 1 0 8 0
tcpqe 32 7 0 7 5 5 0 1 0 8 0
tcpcb 808 1331 0 1321 41 37 4 14 0 8 2
arp 120 42 0 30 1 0 1 1 0 8 0
ipq 40 1 0 1 1 1 0 1 0 8 0
ipqe 40 3 0 3 1 1 0 1 0 8 0
inpcb 376 4820 0 4807 85 80 5 25 0 8 3
nd6 136 64 0 53 1 0 1 1 0 8 0
pkpcb 40 11 0 11 5 4 1 1 0 8 1
kcovpl 48 14 0 6 1 0 1 1 0 8 0
ppxss 1168 17 0 17 9 9 0 1 0 8 0
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 22 0 14 1 0 1 1 0 482 0
pffrnode 88 21 0 14 1 0 1 1 0 8 0
pffrent 40 118 0 110 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
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pfstitem 24 248 0 158 1 0 1 1 0 8 0
pfstkey 128 252 0 162 3 0 3 3 0 8 0
pfstate 376 249 0 159 10 0 10 10 0 8 0
pfrule 1344 23 0 17 2 1 1 2 0 8 0
art_heap8 4096 69 0 65 5 1 4 5 0 8 0
art_heap4 256 1616 0 1356 32 9 23 29 0 8 1
art_table 32 1685 0 1421 4 1 3 4 0 8 0
art_node 16 409 0 358 1 0 1 1 0 8 0
sysvmsgpl 40 10 0 7 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 172 0 162 1 0 1 1 0 8 0
shmpl 112 24 0 5 1 0 1 1 0 8 0
dirhash 1024 78 0 61 3 0 3 3 0 8 0
dino2pl 256 7210 0 5687 96 0 96 96 0 8 0
ffsino 280 7210 0 5687 110 0 110 110 0 8 0
nchpl 144 11672 0 9960 64 0 64 64 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 44700 0 44697 3 2 1 1 0 8 0
percpumem 16 86 0 40 1 0 1 1 0 8 0
kstatmem 264 104 0 80 8 6 2 3 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 17 0 17 7 7 0 1 0 8 0
scxspl 216 34478 0 34477 11 10 1 8 1 8 0
plimitpl 152 952 0 934 1 0 1 1 0 8 0
sigapl 424 3458 0 3387 10 1 9 9 0 8 0
futexpl 64 47572 0 47566 1 0 1 1 0 8 0
knotepl 120 645 0 0 18 0 18 18 0 8 0
kqueuepl 216 1015 0 1004 12 11 1 5 0 8 0
pipepl 328 677 0 650 8 5 3 8 0 8 0
fdescpl 504 3415 0 3384 5 0 5 5 0 8 0
filepl 152 27915 0 27687 48 36 12 19 0 8 0
lockfpl 104 2370 0 2368 11 10 1 4 0 8 0
lockfspl 48 655 0 653 1 0 1 1 0 8 0
sessionpl 144 48 0 39 1 0 1 1 0 8 0
pgrppl 48 221 0 204 1 0 1 1 0 8 0
ucredpl 104 5182 0 5167 1 0 1 1 0 8 0
zombiepl 144 4084 0 4084 2 1 1 1 0 8 1
processpl 1168 3458 0 3387 6 0 6 6 0 8 0
procpl 648 8262 0 8179 9 1 8 8 0 8 0
srpgc 96 17 0 17 5 4 1 1 0 8 1
sosppl 168 19 0 19 7 7 0 1 0 8 0
sockpl 688 7907 0 7864 107 99 8 24 0 8 3
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl16k 16384 6 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 5 0 0 1 0 1 1 0 8 0
mcl4k 4096 123 0 0 16 0 16 16 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 45 0 0 5 0 5 5 0 8 0
mtagpl 96 127 0 0 4 0 4 4 0 8 0
mbufpl 256 3764 0 0 234 0 234 234 0 8 0
bufpl 280 10971 0 4805 441 0 441 441 0 8 0
anonpl 24 402537 0 395635 133 56 77 80 0 185 22
amapchunkpl 152 105873 0 105235 75 40 35 39 0 158 8
amappl16 200 8189 0 8060 70 52 18 20 0 8 6
amappl15 192 9 0 8 1 0 1 1 0 8 0
amappl14 184 159 0 147 1 0 1 1 0 8 0
amappl13 176 3 0 3 1 1 0 1 0 8 0
amappl12 168 4171 0 4140 3 1 2 2 0 8 0
amappl11 160 54 0 40 1 0 1 1 0 8 0
amappl10 152 8 0 8 3 2 1 1 0 8 1
amappl9 144 276 0 276 1 1 0 1 0 8 0
amappl8 136 30 0 27 1 0 1 1 0 8 0
amappl7 128 141 0 128 1 0 1 1 0 8 0
amappl6 120 258 0 252 1 0 1 1 0 8 0
amappl5 112 169 0 159 1 0 1 1 0 8 0
amappl4 104 416 0 397 1 0 1 1 0 8 0
amappl3 96 21356 0 21240 4 0 4 4 0 8 0
amappl2 88 925 0 860 2 0 2 2 0 8 0
amappl1 80 21667 0 21093 18 4 14 15 0 8 0
amappl 88 30404 0 30219 5 0 5 5 0 92 0
dma32768 32768 2 0 2 2 2 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 8 0 8 3 3 0 1 0 8 0
dma128 128 256 0 256 4 4 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 18 0 17 1 0 1 1 0 8 0
aobjpl 72 26 0 5 1 0 1 1 0 8 0
uaddrrnd 24 3415 0 3384 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3415 0 3384 1 0 1 1 0 8 0
vmmpekpl 168 26468 0 26404 4 0 4 4 0 8 0
vmmpepl 168 214627 0 212622 137 39 98 102 0 357 2
vmsppl 456 3414 0 3384 8 3 5 5 0 8 0
rwobjpl 64 60248 0 53244 124 7 117 118 0 8 1
pdppl 4096 6837 0 6768 131 60 71 81 0 8 2
pvpl 32 21055 0 0 169 0 169 169 0 265 0
pmappl 248 3414 0 3384 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 603 0 130 14 0 14 14 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
witness_checkorder(fffffd806f286520,9,0) at witness_checkorder+0x1047
rw_do_enter_write(fffffd806f286508,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806f286508,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd805b447db8,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd805b447db8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80002a4f60c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80002a4f60c8) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff8000014116c8,fffffd80606d1800,ffff80002a4191f0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff8000014116c8,fffffd805b234000,fffffd80606d1800,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff8000014116c8,fffffd80606d1800,ffff80002a4f6348,0,0,8) at sosend+0x804
sendit(ffff80002a4191f0,5,ffff80002a4f64c0,8,ffff80002a4f6580) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80002a4191f0,ffff80002a4f6630,ffff80002a4f6580) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80002a4f6630) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4f6630) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf1485e180b0, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029b5bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218
sched_idle(ffff800029b5bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182
end trace frame: 0x0, count: -5