login: witness: lock order reversal:
1st 0xffff800001628440 sbufrcv (&so->so_rcv.sb_lock)
2nd 0xfffff800766dbb48 inode (&ip->i_lock)
lock order [1] sbufrcv (&so->so_rcv.sb_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff8347dcf6 -> 0xffffffff834c4520 is missing
lock order [2] inode (&ip->i_lock) -> [1] 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:890
#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+0xdfc sys/dev/vnd.c:486
#8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#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:791
#12 Xsyscall+0x128
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffff800766dbb48,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffff800766dbb30,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffff800766dbb30,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffff80074ecc538,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffff80074ecc538,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576
vfs_getcwd_common(fffff80074ecc538,fffff80074eccbf8,0,0,200,0,2f478518b43c64b1) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffff80074ecc538,fffff80074eccbf8,ffff800045feba10) at vn_isunder+0x56 sys/kern/vfs_vnops.c:700
unp_externalize(fffff8006da34600,42,3800) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1093
soreceive(ffff800001628350,ffff80002a30cbd8,ffff80002a30cb88,0,ffff80002a30cbd0,ffff80002a30cd4c,465d2a4d7a5e7945) at soreceive+0xc24 sys/kern/uipc_socket.c:1029
recvit(ffff800045feba10,1,ffff80002a30cd20,0,ffff80002a30cdd0) at recvit+0x40b sys/kern/uipc_syscalls.c:1078
sys_recvmsg(ffff800045feba10,ffff80002a30ce80,ffff80002a30cdd0) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
syscall(ffff80002a30ce80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a30ce80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x16446ce8c80, count: -14
ddb{1}> show registers
rdi 0
rsi 0x80000 acpi_pdirpa+0x6be71
rbp 0xffff80002a30c660
rbx 0
rdx 0xffff800001610f40
rcx 0xffff800045feba10
rax 0x7ffff acpi_pdirpa+0x6be70
r8 0xffff80002a30c540
r9 0x8080808080808080
r10 0x72d0d754c679601e
r11 0x3b2d508b3768ba79
r12 0xfffff80004100940
r13 0xfffff800048e7b58
r14 0x3
r15 0xffffffff8355a94a substchar+0xb4fb
rip 0xffffffff82140f95 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a30c650
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=379090 pid=41193 tcnt=3 stat=onproc
flags process=1000010<SUGID,CHROOT> proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a33ed28,0xffff800045feafc0
process=0xffff80003a3a4028 user=0xffff80002a307000, vmspace=0xfffff8006cefe200
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
55152 235187 77294 0 2 0x40 0 syz-executor
41193 83432 93762 60929 2 0x1000010 0 syz-executor
*41193 379090 93762 60929 7 0x1000010 0x4000000 syz-executor
41193 325292 93762 60929 3 0x1000010 0x4000080 fsleep syz-executor
59609 308152 26687 0 3 0x100002 0x88 sigsusp sh
68057 401358 41046 0 3 0x100002 0x88 sigsusp sh
39218 396192 31956 0 2 0 0 syz-executor
39218 342449 31956 0 3 0 0x4000080 fsleep syz-executor
39218 267746 31956 0 3 0 0x4000080 fsleep syz-executor
39218 94638 31956 0 3 0 0x4000080 fsleep syz-executor
75483 110797 31875 0 2 0x2 0 syz-executor
66984 418449 31875 0 3 0x2 0x80 wait syz-executor
60258 467815 89731 -1 2 0x10 0 syz-executor
60258 317911 89731 -1 3 0x10 0x4000080 sbwait syz-executor
60258 326960 89731 -1 3 0x10 0x4000080 kqread syz-executor
60258 153532 89731 -1 3 0x10 0x4000080 kqread syz-executor
60258 182817 89731 -1 3 0x10 0x4000080 fsleep syz-executor
60258 19248 89731 -1 7 0x10 0x4000000 syz-executor
60258 344508 89731 -1 3 0x10 0x4000080 fsleep syz-executor
60258 86622 89731 -1 3 0x10 0x4000080 fsleep syz-executor
60258 354336 89731 -1 2 0x10 0x4000000 syz-executor
77294 440006 31875 0 3 0x82 0 ppwait syz-executor
41046 234969 31875 0 3 0x2 0x80 wait syz-executor
26687 316986 31875 0 3 0x2 0x80 wait syz-executor
89731 414729 31875 0 2 0x2 0 syz-executor
31956 289853 31875 0 3 0x2 0x80 nanoslp syz-executor
93762 324850 31875 0 3 0x2 0x80 nanoslp syz-executor
5595 277626 1 0 3 0x100003 0x80 ttyin getty
25294 295986 0 0 3 0x14000 0x280 nfsidl nfsio
20872 275839 0 0 3 0x14000 0x280 nfsidl nfsio
63166 250579 0 0 3 0x14000 0x280 nfsidl nfsio
26370 175542 0 0 3 0x14000 0x280 nfsidl nfsio
52 63521 0 0 3 0x14000 0x280 nfsidl nfsio
56519 429175 0 0 3 0x14000 0x280 nfsidl nfsio
7623 46210 0 0 3 0x14000 0x280 nfsidl nfsio
36679 326946 0 0 3 0x14000 0x280 nfsidl nfsio
30794 230187 0 0 3 0x14000 0x280 nfsidl nfsio
86418 25546 0 0 3 0x14000 0x280 nfsidl nfsio
10094 298987 0 0 3 0x14000 0x280 nfsidl nfsio
29216 251765 0 0 3 0x14000 0x280 nfsidl nfsio
83166 270728 0 0 3 0x14000 0x280 nfsidl nfsio
51113 106452 0 0 3 0x14000 0x280 nfsidl nfsio
47414 268734 0 0 3 0x14000 0x280 nfsidl nfsio
60672 192486 0 0 3 0x14000 0x280 nfsidl nfsio
82376 266719 0 0 3 0x14000 0x280 nfsidl nfsio
22352 275929 0 0 3 0x14000 0x280 nfsidl nfsio
62502 430367 0 0 3 0x14000 0x280 nfsidl nfsio
26126 123460 0 0 3 0x14000 0x280 nfsidl nfsio
31875 211275 72492 0 3 0x2 0x80 kqread syz-executor
72492 49533 1974 0 3 0x100002 0x88 sigsusp ksh
1974 233821 7943 0 3 0x10 0x88 kqread sshd-session
7943 474580 43497 0 3 0x12 0x80 kqread sshd-session
43497 259339 1 0 3 0 0x88 kqread sshd
51586 6888 62830 74 3 0x1100012 0x80 bpf pflogd
62830 479631 1 0 3 0 0x80 sbwait pflogd
83062 223768 42473 73 3 0x1100010 0x80 kqread syslogd
42473 60531 1 0 3 0x100002 0x80 sbwait syslogd
50694 401741 1 0 3 0x100000 0x80 kqread resolvd
71402 216612 45021 77 3 0x100012 0x80 kqread dhcpleased
60391 391368 45021 77 3 0x100012 0x80 kqread dhcpleased
45021 268207 1 0 3 0 0x80 kqread dhcpleased
33933 29579 0 0 3 0x14000 0x200 bored smr
35617 302071 0 0 2 0x14000 0x200 zerothread
84894 269163 0 0 3 0x14000 0x200 aiodoned aiodoned
85413 319905 0 0 3 0x14000 0x200 syncer update
96266 228626 0 0 3 0x14000 0x200 cleaner cleaner
47235 328023 0 0 2 0x14000 0x200 reaper
27578 207492 0 0 3 0x14000 0x200 pgdaemon pagedaemon
44270 383169 0 0 3 0x14000 0x200 bored viomb
78605 220536 0 0 3 0x14000 0x40000200 acpi0 acpi0
12782 318809 0 0 3 0x14000 0x40000200 idle1
38999 374416 0 0 3 0x14000 0x200 bored softnet1
93623 93992 0 0 2 0x14000 0x200 softnet0
43963 400150 0 0 2 0x14000 0x200 systqmp
50235 461723 0 0 3 0x14000 0x200 bored systq
62516 229465 0 0 3 0x14000 0x200 tmoslp softclockmp
13288 222241 0 0 3 0x14000 0x40000200 tmoslp softclock
50759 439084 0 0 3 0x14000 0x40000200 idle0
1 236802 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10010000 0x200 scheduler swapper
ddb{1}> show all locks
Process 41193 (syz-executor) thread 0xffff800045feba10 (379090)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a8c600)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 unp_externalize+0x155 sys/kern/uipc_usrreq.c:-1
#2 soreceive+0xc24 sys/kern/uipc_socket.c:1029
#3 recvit+0x40b sys/kern/uipc_syscalls.c:1078
#4 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
#5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#6 Xsyscall+0x128
exclusive rwlock sbufrcv r = 0 (0xffff800001628440)
#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 soreceive+0x27d sys/kern/uipc_socket.c:890
#4 recvit+0x40b sys/kern/uipc_syscalls.c:1078
#5 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
#6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#7 Xsyscall+0x128
Process 60258 (syz-executor) thread 0xffff800045fe9a18 (317911)
exclusive rrwlock inode r = 0 (0xfffff8006ed93928)
#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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:150
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573
#7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#8 vfs_lookup+0x9e3 sys/kern/vfs_lookup.c:585
#9 namei+0x7c1 sys/kern/vfs_lookup.c:250
#10 vn_open+0x178 sys/kern/vfs_vnops.c:146
#11 vndioctl+0xc43 sys/dev/vnd.c:458
#12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#13 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#14 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#16 Xsyscall+0x128
Process 43963 (systqmp) thread 0xffff800045ffe7c8 (400150)
shared rwlock systqmp r = 0 (0xffffffff839bd098)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11071 12093K 12217K 166960K 12919 0
pcb 17 16K 18K 166960K 156 0
rtable 153 13K 16K 166960K 3882 0
pf 40 18K 25K 166960K 353 0
ifaddr 31 6K 8K 166960K 528 0
ifgroup 57 2K 2K 166960K 552 0
sysctl 4 1K 9K 166960K 11 0
counters 74 37K 37K 166960K 324 0
ioctlops 0 0K 4K 166960K 1666 0
iov 0 0K 16K 166960K 12 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1359 85K 86K 166960K 3013 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 27 1K 1K 166960K 33 0
dirhash 15 2K 3K 166960K 24 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 16 57K 93K 166960K 2328 0
sigio 0 0K 0K 166960K 4 0
proc 72 115K 196K 166960K 3898 0
subproc 66 4K 4K 166960K 1155 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 38 0
in_multi 44 2K 6K 166960K 1377 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 44 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 1924 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 226 169K 183K 166960K 16591 0
UVM aobj 16 2K 2K 166960K 17 0
pinsyscall 41 82K 103K 166960K 6532 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 12 0
NDP 16 0K 2K 166960K 387 0
temp 38 9123K 9142K 166960K 35798 0
kqueue 14 20K 26K 166960K 102 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 281 0 278 1 0 1 1 0 8 0
rtentry 176 1393 0 1335 7 2 5 6 0 8 0
unpcb 144 519 0 496 4 3 1 2 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 278 0 274 9 8 1 7 0 8 0
arp 136 250 0 242 1 0 1 1 0 8 0
inpcb 328 1205 0 1197 9 8 1 7 0 8 0
nd6 152 377 0 367 2 1 1 2 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
kcovpl 48 128 0 121 1 0 1 1 0 8 0
ppxss 1192 6 0 3 4 3 1 1 0 8 0
pffrag 232 5 0 0 1 0 1 1 0 482 0
pffrnode 88 5 0 0 1 0 1 1 0 8 0
pffrent 40 6 0 1 1 0 1 1 0 8 0
pfosfp 40 1430 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1430 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pfsrclim 320 1 0 1 1 1 0 1 0 8 0
pfanchor 1288 12 0 9 1 0 1 1 0 8 0
pfstitem 24 71 0 31 1 0 1 1 0 8 0
pfstkey 128 71 0 31 2 0 2 2 0 8 0
pfstate 448 71 0 31 6 0 6 6 0 8 0
pfrule 1360 27 0 21 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 5627 0 5343 34 8 26 30 0 8 1
art_table 40 5629 0 5343 5 0 5 5 0 8 0
art_node 32 1393 0 1331 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 30 0 5 1 0 1 1 0 8 0
shmpl 120 14 0 1 1 0 1 1 0 8 0
dirhash 1024 25 0 6 3 0 3 3 0 8 0
dino2pl 256 2629 0 886 109 0 109 109 0 8 0
ffsino 296 2629 0 886 135 0 135 135 0 8 0
nchpl 144 3511 0 1278 83 0 83 83 0 8 0
vnodes 216 4082 0 0 227 0 227 227 0 8 0
namei 1024 27114 0 27114 4 3 1 2 0 8 1
percpumem 16 178 0 125 1 0 1 1 0 8 0
kstatmem 264 283 0 250 3 0 3 3 0 8 0
scsiplug 72 2 0 2 2 2 0 1 0 8 0
scxspl 216 10803 0 10803 5 4 1 3 1 8 1
plimitpl 152 312 0 295 1 0 1 1 0 8 0
sigapl 424 2425 0 2356 10 1 9 9 0 8 0
knotepl 120 514 0 0 15 0 15 15 0 8 0
kqueuepl 224 146 0 136 1 0 1 1 0 8 0
pipepl 344 537 0 510 4 0 4 4 0 8 0
fdescpl 528 2388 0 2358 3 0 3 3 0 8 0
filepl 160 9292 0 9081 17 6 11 14 0 8 0
lockfpl 104 98 0 96 1 0 1 1 0 8 0
lockfspl 48 48 0 46 1 0 1 1 0 8 0
sessionpl 144 417 0 408 1 0 1 1 0 8 0
pgrppl 48 548 0 531 1 0 1 1 0 8 0
ucredpl 104 1033 0 1017 1 0 1 1 0 8 0
zombiepl 144 2359 0 2356 1 0 1 1 0 8 0
processpl 1240 2425 0 2356 6 0 6 6 0 8 0
procpl 664 3348 0 3266 8 1 7 8 0 8 0
sockpl 752 2026 0 1992 13 9 4 11 0 8 0
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 130 0 0 17 0 17 17 0 8 0
mcl2k 2048 26 0 0 4 0 4 4 0 8 0
mextrefs 64 27 0 0 1 0 1 1 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 257 0 0 16 0 16 16 0 8 0
bufpl 272 3461 0 107 224 0 224 224 0 8 0
anonpl 32 5474 0 0 44 0 44 44 0 247 0
amapchunkpl 152 44364 0 43915 28 8 20 26 0 158 2
amappl16 200 3262 0 3185 10 5 5 5 0 8 0
amappl15 192 13 0 13 1 1 0 1 0 8 0
amappl14 184 1839 0 1836 1 0 1 1 0 8 0
amappl13 176 361 0 349 1 0 1 1 0 8 0
amappl12 168 3140 0 3112 2 0 2 2 0 8 0
amappl11 160 18 0 17 1 0 1 1 0 8 0
amappl10 152 70 0 56 1 0 1 1 0 8 0
amappl9 144 287 0 287 1 1 0 1 0 8 0
amappl8 136 572 0 570 1 0 1 1 0 8 0
amappl7 128 387 0 373 1 0 1 1 0 8 0
amappl6 120 1333 0 1330 1 0 1 1 0 8 0
amappl5 112 100 0 88 1 0 1 1 0 8 0
amappl4 104 662 0 642 1 0 1 1 0 8 0
amappl3 96 8581 0 8491 3 0 3 3 0 8 0
amappl2 88 2051 0 1978 2 0 2 2 0 8 0
amappl1 80 27192 0 26589 16 2 14 15 0 8 0
amappl 88 13817 0 13665 5 0 5 5 0 92 0
uvmvnodes 80 113 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 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 16 0 1 1 0 1 1 0 8 0
uaddrrnd 24 2388 0 2358 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2388 0 2358 1 0 1 1 0 8 0
vmmpekpl 168 19110 0 19044 4 0 4 4 0 8 0
vmmpepl 168 160808 0 158946 90 5 85 88 0 357 0
vmsppl 488 2387 0 2355 5 0 5 5 0 8 0
rwobjpl 80 45889 0 44765 25 1 24 25 0 8 0
pdppl 4096 4784 0 4710 224 150 74 86 0 8 0
pvpl 32 11890 0 0 97 1 96 96 0 265 0
pmappl 256 2387 0 2355 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 664 0 173 15 0 15 15 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8393bff0) 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(ffffffff83a8be00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a8be00) at __mp_lock+0x192 sys/kern/kern_lock.c:173
intr_handler(ffff80003a027970,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
__mp_lock(ffffffff83a8be00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a8be00) at __mp_lock+0x192 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153
witness_checkorder(fffff8006ceb44f0,1,0) at witness_checkorder+0x16d sys/kern/subr_witness.c:779
rw_do_enter_read(fffff8006ceb44d8,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff80003a027ed0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff80003a027ed0,ffff80003a027f08,ffff80003a027f40,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff8006ceb43f0,154000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80003a028080,154c80) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80003a028080) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyout() at copyout+0x64
syscall(ffff80003a0284c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a0284c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x82a9b7ebfc0, count: -22
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffff800766dbb48,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffff800766dbb30,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffff800766dbb30,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffff80074ecc538,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffff80074ecc538,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576
vfs_getcwd_common(fffff80074ecc538,fffff80074eccbf8,0,0,200,0,2f478518b43c64b1) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287
vn_isunder(fffff80074ecc538,fffff80074eccbf8,ffff800045feba10) at vn_isunder+0x56 sys/kern/vfs_vnops.c:700
unp_externalize(fffff8006da34600,42,3800) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1093
soreceive(ffff800001628350,ffff80002a30cbd8,ffff80002a30cb88,0,ffff80002a30cbd0,ffff80002a30cd4c,465d2a4d7a5e7945) at soreceive+0xc24 sys/kern/uipc_socket.c:1029
recvit(ffff800045feba10,1,ffff80002a30cd20,0,ffff80002a30cdd0) at recvit+0x40b sys/kern/uipc_syscalls.c:1078
sys_recvmsg(ffff800045feba10,ffff80002a30ce80,ffff80002a30cdd0) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
syscall(ffff80002a30ce80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a30ce80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x16446ce8c80, count: -14