witness: lock order reversal:
1st 0xffff8000014c88c8 sbufsnd (&so->so_snd.sb_lock)
2nd 0xfffffd806f562ea8 inode (&ip->i_lock)
lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff833d32bf -> 0xffffffff8334590b is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 sblock+0xb6 sys/kern/uipc_socket2.c:536
#2 soreceive+0x27d sys/kern/uipc_socket.c:870
#3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264
#4 VOP_READ+0x101 sys/kern/vfs_vops.c:227
#5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1
#6 vndsetcred+0xa1 sys/dev/vnd.c:685
#7 vndioctl+0xdfb sys/dev/vnd.c:486
#8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
#10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#12 Xsyscall+0x128
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock)
#0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1 sblock+0xb6 sys/kern/uipc_socket2.c:536
#2 sosplice+0x3e1 sys/kern/uipc_socket.c:1347
#3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1227
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#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(fffffd806f562ea8,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806f562e90,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806f562e90,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806949bbf8,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806949bbf8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003c40c900) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
namei(ffff80003c40c900) at namei+0x7ca sys/kern/vfs_lookup.c:250
unp_connect(ffff8000014c86e0,fffffd805d676d00,ffff8000fffe9a10) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff8000014c86e0,fffffd805d648a00,fffffd805d676d00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff8000014c86e0,fffffd805d676d00,ffff80003c40cb88,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000fffe9a10,6,ffff80003c40cd08,e,ffff80003c40cdc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff8000fffe9a10,ffff80003c40ce70,ffff80003c40cdc0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff80003c40ce70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c40ce70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3c468769210, count: -15
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80003c40c580
rbx 0
rdx 0
rcx 0xffff8000fffe9a10
rax 0xffffffff837efff0 cpu_info_full_primary+0x1ff0
r8 0xffff80003c40c460
r9 0x8080808080808080
r10 0x7ed7e3651ee4bd
r11 0xbe4fde3d2b1d6f37
r12 0xfffffd8003eff680
r13 0xfffffd80046e6b58
r14 0x3
r15 0xffffffff833e2b64 substchar+0xf1da
rip 0xffffffff831577a5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c40c570
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=389076 pid=87899 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=0xffff80003c414a88,0xffff8000fffe9258
process=0xffff8000fffed358 user=0xffff80003c407000, vmspace=0xfffffd800b0273d0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
29632 308151 37197 0 7 0 syz-executor
87279 145282 51574 0 2 0 syz-executor
87279 90958 51574 0 3 0x4000080 fsleep syz-executor
454 288574 77332 60929 2 0x10 syz-executor
454 459957 77332 60929 3 0x4000090 ttyout syz-executor
87899 106161 18686 0 2 0 syz-executor
*87899 389076 18686 0 7 0x4000000 syz-executor
87899 95432 18686 0 3 0x4000080 fsleep syz-executor
54248 193927 96700 0 3 0x80 nanoslp syz-executor
54248 79019 96700 0 3 0x4000080 netcon syz-executor
54248 235954 96700 0 3 0x4000080 fsleep syz-executor
54248 329109 96700 0 3 0x4000080 fsleep syz-executor
78246 319842 59598 0 3 0x80 nanoslp syz-executor
78246 321342 59598 0 3 0x4000080 fsleep syz-executor
78246 224603 59598 0 3 0x4000080 fsleep syz-executor
78246 457091 59598 0 3 0x4000080 kqsel syz-executor
93725 63414 0 0 3 0x14200 acct acct
78309 285211 23938 0 3 0x2 biowait syz-executor
51574 423169 23938 0 3 0x82 nanoslp syz-executor
59598 357332 23938 0 3 0x82 nanoslp syz-executor
96700 116073 23938 0 3 0x82 nanoslp syz-executor
82823 410434 23938 0 3 0x82 nanoslp syz-executor
55076 441346 0 0 3 0x14200 bored sosplice
37197 234769 23938 0 3 0x82 nanoslp syz-executor
77332 414702 23938 0 3 0x82 nanoslp syz-executor
18686 138138 23938 0 3 0x82 nanoslp syz-executor
23938 471833 50507 0 3 0x82 kqread syz-executor
50507 195182 7733 0 3 0x10008a sigsusp ksh
7733 474904 55332 0 3 0x98 kqread sshd-session
55332 157510 60481 0 3 0x92 kqread sshd-session
61975 357626 1 0 3 0x100083 ttyopn getty
60481 160786 1 0 3 0x88 kqread sshd
48462 204435 7349 74 3 0x1100092 bpf pflogd
7349 427338 1 0 3 0x80 sbwait pflogd
63008 210918 71221 73 3 0x1100090 kqread syslogd
71221 212013 1 0 3 0x100082 sbwait syslogd
80351 485926 1 0 3 0x100080 kqread resolvd
29475 153642 10465 77 3 0x100092 kqread dhcpleased
15593 62547 10465 77 3 0x100092 kqread dhcpleased
10465 421097 1 0 3 0x80 kqread dhcpleased
75503 100804 0 0 3 0x14200 bored smr
33958 254243 0 0 2 0x14200 zerothread
19051 484669 0 0 3 0x14200 aiodoned aiodoned
14292 451062 0 0 3 0x14200 syncer update
9649 361350 0 0 3 0x14200 cleaner cleaner
53816 280318 0 0 3 0x14200 reaper reaper
64068 135563 0 0 3 0x14200 pgdaemon pagedaemon
35611 26712 0 0 3 0x14200 bored viomb
62303 385546 0 0 3 0x40014200 acpi0 acpi0
19384 56291 0 0 3 0x40014200 idle1
74035 17698 0 0 3 0x14200 bored softnet1
7212 116544 0 0 3 0x14200 bored softnet0
41430 80175 0 0 3 0x14200 bored systqmp
74156 502923 0 0 3 0x14200 bored systq
86283 269185 0 0 3 0x14200 tmoslp softclockmp
55089 495941 0 0 3 0x40014200 tmoslp softclock
96759 357353 0 0 3 0x40014200 idle0
1 396291 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{0}> show all locks
Process 29632 (syz-executor) thread 0xffff80003c414d20 (308151)
exclusive rwlock uobjlk r = 0 (0xfffffd806b940808)
#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_fault+0x1e5 sys/uvm/uvm_fault.c:655
#3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#4 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
#5 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd800b027e58)
#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:1902
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
#6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
#7 recall_trap+0x8
Process 87899 (syz-executor) thread 0xffff8000fffe9a10 (389076)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83915fc0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 pool_get+0x27e sys/kern/subr_pool.c:591
#3 namei+0xdf sys/kern/vfs_lookup.c:145
#4 unp_connect+0x29d sys/kern/uipc_usrreq.c:872
#5 uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
#6 sosend+0x804 sys/kern/uipc_socket.c:-1
#7 sendit+0x5a5 sys/kern/uipc_syscalls.c:785
#8 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
#9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#10 Xsyscall+0x128
exclusive rwlock sbufsnd r = 0 (0xffff8000014c88c8)
#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 sblock+0xb6 sys/kern/uipc_socket2.c:536
#3 sosend+0x2e9 sys/kern/uipc_socket.c:631
#4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785
#5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
#7 Xsyscall+0x128
Process 78309 (syz-executor) thread 0xffff80002a2702b0 (285211)
exclusive rrwlock inode r = 0 (0xfffffd806e0d2a30)
#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+0xa3 sys/kern/vfs_vops.c:527
#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:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e1e0c98)
#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+0xa3 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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10213 11166K 11531K 166960K 15002 0
pcb 17 15K 31K 166960K 491 0
rtable 201 10K 10K 166960K 613 0
pf 36 18K 20K 166960K 229 0
ifaddr 40 7K 8K 166960K 172 0
ifgroup 51 2K 2K 166960K 283 0
sysctl 4 1K 9K 166960K 31 0
counters 66 36K 38K 166960K 326 0
ioctlops 0 0K 4K 166960K 1898 0
iov 0 0K 24K 166960K 156 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1464 92K 93K 166960K 3519 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 616K 624K 166960K 21 0
VM map 2 1K 1K 166960K 2 0
sem 16 28K 28K 166960K 150 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 2213 0
sigio 0 0K 0K 166960K 73 0
proc 73 115K 164K 166960K 933 0
subproc 72 4K 4K 166960K 144 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 235 0
in_multi 87 6K 7K 166960K 250 0
ether_multi 1 0K 0K 166960K 14 0
mrt 1 0K 0K 166960K 11 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 748 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 249 164K 178K 166960K 21201 0
UVM aobj 65 3K 4K 166960K 68 0
pinsyscall 42 84K 102K 166960K 3481 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 152 0
NDP 11 0K 2K 166960K 123 0
temp 79 8656K 8774K 166960K 81863 0
kqueue 14 22K 34K 166960K 399 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 120 170 0 167 1 0 1 1 0 8 0
rtentry 176 222 0 143 5 0 5 5 0 8 0
unpcb 144 1663 0 1645 8 6 2 6 0 8 1
syncache 336 7 0 7 2 2 0 1 0 8 0
tcpqe 32 1 0 1 1 1 0 1 0 8 0
tcpcb 736 684 0 677 12 10 2 7 0 8 1
arp 136 25 0 15 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 328 2211 0 2200 17 13 4 9 0 8 3
nd6 152 43 0 23 1 0 1 1 0 8 0
pkpcb 40 13 0 13 3 2 1 1 0 8 1
kcovpl 48 16 0 8 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 101 0 101 2 1 1 1 0 8 1
pppxif 1504 11 0 11 4 4 0 1 0 8 0
pffrag 232 7 0 1 1 0 1 1 0 482 0
pffrnode 88 7 0 1 1 0 1 1 0 8 0
pffrent 40 17 0 11 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 5 0 5 3 3 0 1 0 8 0
pftag 88 1 0 1 1 1 0 1 0 8 0
pfstitem 24 143 0 42 1 0 1 1 0 8 0
pfstkey 128 145 0 46 4 0 4 4 0 8 0
pfstate 384 142 0 43 10 0 10 10 0 8 0
pfrule 1344 24 0 19 2 1 1 2 0 8 0
rttmr 136 2 0 2 1 1 0 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 1025 0 679 30 6 24 30 0 8 0
art_table 40 1027 0 679 5 0 5 5 0 8 0
art_node 32 218 0 151 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 141 0 127 1 0 1 1 0 8 0
shmpl 112 65 0 3 2 0 2 2 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 5359 0 3842 96 0 96 96 0 8 0
ffsino 296 5359 0 3842 118 0 118 118 0 8 0
nchpl 144 8308 0 6597 64 0 64 64 0 8 0
rtmask 32 18 0 18 3 3 0 1 0 8 0
uvmvnodes 80 4789 0 0 98 0 98 98 0 8 0
vnodes 216 4789 0 0 267 0 267 267 0 8 0
namei 1024 29586 0 29584 3 2 1 2 0 8 0
percpumem 16 178 0 130 1 0 1 1 0 8 0
kstatmem 264 180 0 156 4 2 2 3 0 8 0
scsiplug 72 7 0 7 3 2 1 1 0 8 1
scxspl 216 57170 0 57169 11 9 2 8 1 8 1
plimitpl 152 705 0 688 2 1 1 2 0 8 0
sigapl 424 2469 0 2420 7 1 6 7 0 8 0
knotepl 120 543 0 0 17 0 17 17 0 8 0
kqueuepl 224 940 0 929 9 5 4 5 0 8 3
pipepl 344 313 0 286 3 0 3 3 0 8 0
fdescpl 528 2447 0 2416 3 0 3 3 0 8 0
filepl 160 16492 0 16271 22 9 13 21 0 8 0
lockfpl 104 1252 0 1250 3 2 1 2 0 8 0
lockfspl 48 545 0 543 1 0 1 1 0 8 0
sessionpl 144 33 0 24 1 0 1 1 0 8 0
pgrppl 48 66 0 49 1 0 1 1 0 8 0
ucredpl 104 2249 0 2234 1 0 1 1 0 8 0
zombiepl 144 2859 0 2858 1 0 1 1 0 8 0
processpl 1232 2469 0 2420 5 1 4 5 0 8 0
procpl 664 5931 0 5872 6 0 6 6 0 8 0
sosppl 168 10 0 10 2 1 1 1 0 8 1
sockpl 752 4179 0 4147 37 26 11 18 0 8 7
mcl64k 65536 19 0 0 3 0 3 3 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 145 0 0 19 0 19 19 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 33 0 0 5 0 5 5 0 8 0
mtagpl 96 14 0 0 1 0 1 1 0 8 0
mbufpl 256 1600 0 0 100 0 100 100 0 8 0
bufpl 280 23041 0 16898 440 0 440 440 0 8 0
anonpl 32 16066 0 0 131 1 130 130 0 246 0
amapchunkpl 152 73070 0 72477 43 10 33 34 0 158 6
amappl16 200 7028 0 6944 61 34 27 35 0 8 8
amappl15 192 4 0 4 2 2 0 1 0 8 0
amappl14 184 129 0 117 1 0 1 1 0 8 0
amappl13 176 2 0 1 1 0 1 1 0 8 0
amappl12 168 3214 0 3184 3 1 2 2 0 8 0
amappl11 160 48 0 34 1 0 1 1 0 8 0
amappl10 152 7 0 6 1 0 1 1 0 8 0
amappl9 144 252 0 251 2 1 1 1 0 8 0
amappl8 136 23 0 20 1 0 1 1 0 8 0
amappl7 128 121 0 109 1 0 1 1 0 8 0
amappl6 120 257 0 253 1 0 1 1 0 8 0
amappl5 112 154 0 144 1 0 1 1 0 8 0
amappl4 104 330 0 309 1 0 1 1 0 8 0
amappl3 96 12983 0 12880 4 1 3 3 0 8 0
amappl2 88 2722 0 2640 2 0 2 2 0 8 0
amappl1 80 17608 0 17010 15 1 14 15 0 8 0
amappl 88 20033 0 19858 5 0 5 5 0 92 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 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 67 0 3 2 0 2 2 0 8 0
uaddrrnd 24 2447 0 2416 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2447 0 2416 1 0 1 1 0 8 0
vmmpekpl 168 19347 0 19296 3 0 3 3 0 8 0
vmmpepl 168 156146 0 154067 133 15 118 118 0 357 13
vmsppl 488 2446 0 2416 5 0 5 5 0 8 0
rwobjpl 80 45187 0 39318 133 1 132 132 0 8 3
pdppl 4096 4902 0 4832 114 42 72 86 0 8 2
pvpl 32 22832 0 0 184 0 184 184 0 265 0
pmappl 256 2446 0 2416 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 398 0 65 10 0 10 10 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(fffffd806f562ea8,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffffd806f562e90,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffffd806f562e90,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffffd806949bbf8,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
vn_lock(fffffd806949bbf8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570
vfs_lookup(ffff80003c40c900) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
namei(ffff80003c40c900) at namei+0x7ca sys/kern/vfs_lookup.c:250
unp_connect(ffff8000014c86e0,fffffd805d676d00,ffff8000fffe9a10) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872
uipc_dgram_send(ffff8000014c86e0,fffffd805d648a00,fffffd805d676d00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609
sosend(ffff8000014c86e0,fffffd805d676d00,ffff80003c40cb88,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff8000fffe9a10,6,ffff80003c40cd08,e,ffff80003c40cdc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendmsg(ffff8000fffe9a10,ffff80003c40ce70,ffff80003c40cdc0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603
syscall(ffff80003c40ce70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c40ce70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3c468769210, count: -15
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) 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(ffffffff83915db8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff83915db8) at __mp_lock+0x192 sys/kern/kern_lock.c:165
uvm_fault(fffffd800b027d58,72ecc771000,0,2) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656
upageflttrap(ffff800030be6b50,72ecc771000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff800030be6b50) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x6fccf9a24ba0, count: -8