witness: nd6_resolve: something odd happens
lock order reversal:
nd6_resolve: something odd happens
1st 0xffff800010fcb110 sbufsnd (&so->so_snd.sb_lock)
nd6_resolve: something odd happens
2nd 0xfffffd806dfab1d0 inode (&ip->i_lock)
nd6_resolve: something odd happens
lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock)
nd6_resolve: something odd happens
lock order data 0xffffffff83411cdf -> 0xffffffff833b5af5 is missing
nd6_resolve: something odd happens
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
nd6_resolve: something odd happens
#0 nd6_resolve: something odd happens
nd6_resolve: something odd happens
rw_do_enter_write+0xb7
#1 sblock+0xb7 sys/kern/uipc_socket2.c:536
#2 soreceive+0x28e sys/kern/uipc_socket.c:881
#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 sys/kern/vfs_vnops.c:-1
#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 sys/kern/sys_generic.c:-1
#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:536
#2 sosplice+0x40d sys/kern/uipc_socket.c:1363
#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:438
witness_checkorder(fffffd806dfab1d0,9,0) at witness_checkorder+0x1047 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806dfab1b8,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806dfab1b8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd805eb20c30,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd805eb20c30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003e9d5838) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80003e9d5838) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff800010fcaf50,fffffd806e0aa900,ffff80003c0da7e0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff800010fcaf50,fffffd806e8fe000,fffffd806e0aa900,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff800010fcaf50,fffffd806e0aa900,ffff80003e9d5ab8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c0da7e0,7,ffff80003e9d5c30,8,ffff80003e9d5cf0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80003c0da7e0,ffff80003e9d5da0,ffff80003e9d5cf0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80003e9d5da0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003e9d5da0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e721886b70, count: -15
ddb{0}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80003e9d54b0
rbx 0xfffffd800471f120
rdx 0xffff80000147a740
rcx 0xffff80003c0da7e0
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80003e9d5390
r9 0x8080808080808080
r10 0xb4b373677ee4e8d0
r11 0x4ec8d5427b2f0f71
r12 0
r13 0xfffffd8003f35f00
r14 0x3
r15 0xffffffff
rip 0xffffffff817f0605 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003e9d54a0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=32461 pid=47036 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c0daf90,0xffff8000ffffa030
process=0xffff80003c570958 user=0xffff80003e9d0000, vmspace=0xfffffd806be5e738
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
11942 191084 36809 0 2 0 syz-executor
11942 121263 36809 0 2 0x4000000 syz-executor
49038 217295 38432 0 2 0 syz-executor
49038 35361 38432 0 2 0x4000000 syz-executor
49038 222733 38432 0 2 0x4000000 syz-executor
47036 91141 34609 0 2 0 syz-executor
*47036 32461 34609 0 7 0x4000000 syz-executor
47036 225428 34609 0 3 0x4000080 fsleep syz-executor
31968 510436 80611 0 3 0x80 nanoslp syz-executor
31968 131983 80611 0 3 0x4000080 lockf syz-executor
31968 147881 80611 0 3 0x4000080 fsleep syz-executor
31968 462499 80611 0 3 0x4000080 fsleep syz-executor
30429 74459 30163 0 2 0 syz-executor
30429 92816 30163 0 3 0x4000080 kqsel syz-executor
30429 340333 30163 0 3 0x4000080 fsleep syz-executor
30429 426871 30163 0 3 0x4000080 fsleep syz-executor
64749 118640 0 0 3 0x14200 acct acct
80611 501037 96369 0 3 0x82 nanoslp syz-executor
34609 223252 96369 0 3 0x82 nanoslp syz-executor
30163 36470 96369 0 3 0x82 nanoslp syz-executor
38432 207231 96369 0 3 0x82 nanoslp syz-executor
36809 287127 96369 0 3 0x82 nanoslp syz-executor
2533 301699 96369 0 3 0x2 biowait syz-executor
10805 490158 1 0 3 0x100083 ttyopn getty
35323 347268 96369 0 3 0x82 wait syz-executor
93859 157844 0 0 3 0x14280 nfsidl nfsio
67313 47661 0 0 3 0x14280 nfsidl nfsio
81915 56946 0 0 3 0x14280 nfsidl nfsio
46200 368341 0 0 3 0x14280 nfsidl nfsio
34806 49351 0 0 3 0x14280 nfsidl nfsio
82856 32717 0 0 3 0x14280 nfsidl nfsio
63866 391175 0 0 3 0x14280 nfsidl nfsio
6892 71915 0 0 3 0x14280 nfsidl nfsio
25933 240766 0 0 3 0x14280 nfsidl nfsio
89216 288593 0 0 3 0x14280 nfsidl nfsio
92999 384986 0 0 3 0x14280 nfsidl nfsio
84021 446830 0 0 3 0x14280 nfsidl nfsio
23079 74886 0 0 3 0x14280 nfsidl nfsio
92508 154984 0 0 3 0x14280 nfsidl nfsio
86139 399901 0 0 3 0x14280 nfsidl nfsio
23282 372523 0 0 3 0x14280 nfsidl nfsio
90257 134103 0 0 3 0x14280 nfsidl nfsio
3829 420041 0 0 3 0x14280 nfsidl nfsio
37052 230578 0 0 3 0x14280 nfsidl nfsio
41278 521884 0 0 3 0x14280 nfsidl nfsio
6367 203377 0 0 3 0x14200 bored sosplice
85949 7747 93694 0 3 0x100082 sbwait arp
93694 333238 1 0 3 0x10008a sigsusp sh
70431 50623 96369 0 3 0x82 nanoslp syz-executor
96369 518459 60584 0 7 0x3 syz-executor
60584 458115 30465 0 3 0x10008a sigsusp ksh
30465 190658 77611 0 3 0x98 kqread sshd-session
77611 464019 30025 0 3 0x92 kqread sshd-session
30025 418972 1 0 3 0x88 kqread sshd
85789 170778 2834 74 3 0x1100092 bpf pflogd
2834 126375 1 0 3 0x80 sbwait pflogd
57452 281795 11866 73 3 0x1100090 kqread syslogd
11866 122202 1 0 3 0x100082 sbwait syslogd
94218 98863 1 0 3 0x100080 kqread resolvd
62983 322908 0 0 3 0x14200 bored smr
65237 52947 0 0 2 0x14200 zerothread
8240 406571 0 0 3 0x14200 aiodoned aiodoned
21964 398339 0 0 3 0x14200 syncer update
6008 464009 0 0 3 0x14200 cleaner cleaner
70147 461551 0 0 3 0x14200 reaper reaper
6198 100894 0 0 3 0x14200 pgdaemon pagedaemon
86365 373251 0 0 3 0x14200 bored viomb
93220 203321 0 0 3 0x40014200 acpi0 acpi0
33390 193042 0 0 3 0x40014200 idle1
57195 99042 0 0 3 0x14200 bored softnet3
6292 81152 0 0 3 0x14200 bored softnet2
56480 395690 0 0 3 0x14200 bored softnet1
52301 239690 0 0 3 0x14200 bored softnet0
69812 175639 0 0 3 0x14200 bored systqmp
54248 179489 0 0 3 0x14200 bored systq
66501 399753 0 0 3 0x14200 tmoslp softclockmp
14684 381993 0 0 3 0x40014200 tmoslp softclock
86952 180529 0 0 3 0x40014200 idle0
1 11511 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 11942 (syz-executor) thread 0xffff80003c4e4560 (121263)
exclusive rwlock fdlock r = 0 (0xfffffd807f7d1060)
#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 doopenat+0x173 sys/kern/vfs_syscalls.c:-1
#3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
Process 49038 (syz-executor) thread 0xffff8000ffffc010 (222733)
exclusive rwlock fdlock r = 0 (0xfffffd806be63078)
#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 doopenat+0x173 sys/kern/vfs_syscalls.c:-1
#3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
Process 47036 (syz-executor) thread 0xffff80003c0da7e0 (32461)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8396c450)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 yield+0x6a sys/kern/sched_bsd.c:320
#4 pool_get+0x265 sys/kern/subr_pool.c:593
#5 namei+0xdf sys/kern/vfs_lookup.c:145
#6 unp_connect+0x27d sys/kern/uipc_usrreq.c:868
#7 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
#8 sosend+0x804 sys/kern/uipc_socket.c:-1
#9 sendit+0x721 sys/kern/uipc_syscalls.c:779
#10 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
#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
exclusive rwlock sbufsnd r = 0 (0xffff800010fcb110)
#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:536
#3 sosend+0x2e2 sys/kern/uipc_socket.c:630
#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 2533 (syz-executor) thread 0xffff80003c0dad00 (301699)
exclusive rrwlock inode r = 0 (0xfffffd806dde2ba8)
#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 ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#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:3117
#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 (0xfffffd806dfaba90)
#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:3102
#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 10230 11064K 12470K 166960K 15497 0
pcb 17 18K 19K 166960K 609 0
rtable 205 10K 10K 166960K 869 0
pf 44 19K 147K 166960K 324 0
ifaddr 39 7K 7K 166960K 160 0
ifgroup 64 2K 3K 166960K 272 0
sysctl 4 1K 2K 166960K 5 0
counters 68 36K 37K 166960K 368 0
ioctlops 0 0K 4K 166960K 2078 0
iov 0 0K 16K 166960K 326 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1554 98K 98K 166960K 4044 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 5K 13K 166960K 46 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 132 0
dirhash 12 2K 2K 166960K 63 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 19 69K 110K 166960K 2761 0
sigio 0 0K 0K 166960K 71 0
proc 66 67K 140K 166960K 1151 0
subproc 81 5K 5K 166960K 198 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 375 0
in_multi 80 6K 6K 166960K 289 0
ether_multi 1 0K 0K 166960K 25 0
mrt 0 0K 0K 166960K 19 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 861 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 243 138K 178K 166960K 25823 0
UVM aobj 80 5K 5K 166960K 87 0
pinsyscall 39 78K 104K 166960K 4191 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 2 0K 0K 166960K 131 0
NDP 14 0K 1K 166960K 112 0
temp 82 8688K 8802K 166960K 112777 0
kqueue 7 12K 30K 166960K 418 0
SYN cache 2 10K 18K 166960K 3 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 120 268 0 266 2 1 1 2 0 8 0
rtentry 168 272 0 187 5 1 4 5 0 8 0
unpcb 144 2298 0 2285 19 13 6 6 0 8 5
syncache 336 10 0 10 7 6 1 1 0 8 1
tcpqe 32 5 0 5 3 3 0 1 0 8 0
tcpcb 808 797 0 726 20 12 8 8 0 8 0
arp 120 45 0 30 1 0 1 1 0 8 0
inpcb 376 3274 0 3137 45 31 14 15 0 8 0
nd6 136 61 0 41 1 0 1 1 0 8 0
pkpcb 40 24 0 24 3 2 1 1 0 8 1
kcovpl 48 22 0 13 1 0 1 1 0 8 0
mppekey 1024 2 0 2 1 1 0 1 0 8 0
ppxss 1168 117 0 117 3 2 1 1 0 8 1
pppxif 1480 44 0 44 4 3 1 1 0 8 1
pfstscr 40 2 0 2 2 2 0 1 0 8 0
pffrag 232 16 0 6 1 0 1 1 0 482 0
pffrnode 88 14 0 4 1 0 1 1 0 8 0
pffrent 40 33 0 23 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 3 0 3 1 1 0 1 0 8 0
pfanchor 1288 6 0 1 1 0 1 1 0 8 0
pftag 88 4 0 0 1 0 1 1 0 8 0
pfstitem 24 143 0 81 1 0 1 1 0 8 0
pfstkey 128 150 0 88 3 0 3 3 0 8 0
pfstate 376 146 0 84 7 0 7 7 0 8 0
pfrule 1344 33 0 23 2 1 1 2 0 8 0
rttmr 136 1 0 0 1 0 1 1 0 8 0
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 1046 0 651 35 9 26 27 0 8 1
art_table 32 1050 0 651 5 1 4 4 0 8 0
art_node 16 261 0 185 1 0 1 1 0 8 0
sysvmsgpl 40 21 0 12 1 0 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 128 0 118 1 0 1 1 0 8 0
shmpl 112 84 0 7 3 0 3 3 0 8 0
dirhash 1024 52 0 35 3 0 3 3 0 8 0
dino2pl 256 6491 0 4962 96 0 96 96 0 8 0
ffsino 280 6491 0 4962 110 0 110 110 0 8 0
nchpl 144 10262 0 9675 64 39 25 64 0 8 0
rtmask 32 6 0 6 4 4 0 1 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 37439 0 37437 6 5 1 2 0 8 0
percpumem 16 198 0 150 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0
kstatmem 264 152 0 124 4 1 3 3 0 8 1
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 13 0 13 5 4 1 1 0 8 1
scxspl 216 33545 0 33544 9 8 1 7 1 8 0
plimitpl 152 626 0 609 1 0 1 1 0 8 0
sigapl 424 3075 0 3005 10 1 9 9 0 8 0
futexpl 64 38323 0 38318 1 0 1 1 0 8 0
knotepl 120 567 0 0 17 0 17 17 0 8 0
kqueuepl 216 1142 0 1135 17 16 1 5 0 8 0
pipepl 328 395 0 364 8 5 3 8 0 8 0
fdescpl 504 3026 0 2996 5 0 5 5 0 8 0
filepl 152 21176 0 20814 35 18 17 19 0 8 3
lockfpl 104 707 0 702 1 0 1 1 0 8 0
lockfspl 48 275 0 271 1 0 1 1 0 8 0
sessionpl 144 42 0 34 1 0 1 1 0 8 0
pgrppl 48 89 0 71 1 0 1 1 0 8 0
ucredpl 104 3782 0 3771 1 0 1 1 0 8 0
zombiepl 144 3451 0 3448 1 0 1 1 0 8 0
processpl 1176 3075 0 3005 6 0 6 6 0 8 0
procpl 656 7131 0 7049 9 1 8 8 0 8 0
srpgc 96 20 0 20 6 5 1 1 0 8 1
sosppl 168 8 0 8 4 3 1 1 0 8 1
sockpl 688 5899 0 5747 61 46 15 18 0 8 0
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 5 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 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 125 0 0 16 0 16 16 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 49 0 0 5 0 5 5 0 8 0
mtagpl 96 30 0 0 1 0 1 1 0 8 0
mbufpl 256 356 0 0 21 0 21 21 0 8 0
bufpl 280 9608 0 3454 440 0 440 440 0 8 0
anonpl 24 384795 0 376451 121 41 80 93 0 184 2
amapchunkpl 152 86744 0 86129 44 14 30 30 0 158 0
amappl16 200 7009 0 6750 66 39 27 35 0 8 0
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 151 0 141 1 0 1 1 0 8 0
amappl13 176 3 0 3 2 2 0 1 0 8 0
amappl12 168 3872 0 3841 4 1 3 3 0 8 0
amappl11 160 52 0 44 1 0 1 1 0 8 0
amappl10 152 7 0 7 1 1 0 1 0 8 0
amappl9 144 250 0 249 1 0 1 1 0 8 0
amappl8 136 22 0 19 1 0 1 1 0 8 0
amappl7 128 142 0 131 1 0 1 1 0 8 0
amappl6 120 301 0 296 1 0 1 1 0 8 0
amappl5 112 172 0 164 1 0 1 1 0 8 0
amappl4 104 390 0 370 1 0 1 1 0 8 0
amappl3 96 18370 0 18254 5 1 4 4 0 8 0
amappl2 88 858 0 808 2 0 2 2 0 8 0
amappl1 80 21166 0 20628 15 0 15 15 0 8 0
amappl 88 24364 0 24181 5 0 5 5 0 92 0
dma65536 65536 3 0 3 2 2 0 1 0 8 0
dma16384 16384 1 0 1 1 1 0 1 0 8 0
dma8192 8192 1 0 1 1 1 0 1 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma512 512 1 0 1 1 1 0 1 0 8 0
dma256 256 7 0 7 2 2 0 1 0 8 0
dma128 128 287 0 287 2 2 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 86 0 7 2 0 2 2 0 8 0
uaddrrnd 24 3026 0 2996 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3026 0 2996 1 0 1 1 0 8 0
vmmpekpl 168 22108 0 22039 4 0 4 4 0 8 0
vmmpepl 168 191962 0 189933 141 28 113 121 0 357 3
vmsppl 456 3025 0 2996 5 0 5 5 0 8 0
rwobjpl 64 52703 0 45591 124 4 120 124 0 8 0
pdppl 4096 6060 0 5992 126 56 70 84 0 8 2
pvpl 32 22848 0 0 185 1 184 184 0 265 0
pmappl 248 3025 0 2996 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 365 0 103 8 0 8 8 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:438
witness_checkorder(fffffd806dfab1d0,9,0) at witness_checkorder+0x1047 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806dfab1b8,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233
rrw_enter(fffffd806dfab1b8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
VOP_LOCK(fffffd805eb20c30,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
vn_lock(fffffd805eb20c30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003e9d5838) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418
namei(ffff80003e9d5838) at namei+0x7aa sys/kern/vfs_lookup.c:250
unp_connect(ffff800010fcaf50,fffffd806e0aa900,ffff80003c0da7e0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868
uipc_dgram_send(ffff800010fcaf50,fffffd806e8fe000,fffffd806e0aa900,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607
sosend(ffff800010fcaf50,fffffd806e0aa900,ffff80003e9d5ab8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c0da7e0,7,ffff80003e9d5c30,8,ffff80003e9d5cf0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendmsg(ffff80003c0da7e0,ffff80003e9d5da0,ffff80003e9d5cf0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597
syscall(ffff80003e9d5da0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003e9d5da0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e721886b70, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800029a9bff0) 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(ffffffff8396c248) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8396c248) at __mp_lock+0x192 sys/kern/kern_lock.c:144
ktrgenio(ffff80002a2f9718,13,0,ffff800000b38980,4) at ktrgenio+0x238 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrgenio(ffff80002a2f9718,13,0,ffff800000b38980,4) at ktrgenio+0x238 sys/kern/kern_ktrace.c:264
dofilereadv(ffff80002a2f9718,13,ffff80002a3a69c8,0,ffff80002a3a6a80) at dofilereadv+0x42f sys/kern/sys_generic.c:268
sys_read(ffff80002a2f9718,ffff80002a3a6b30,ffff80002a3a6a80) at sys_read+0xa2 sys/kern/sys_generic.c:172
syscall(ffff80002a3a6b30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3a6b30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7323ed9ba5d0, count: -9