panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*504680 21164 0 0 0x4000000 1 syz-executor
66408 3602 0 0 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8355b16a) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff2007ee8bc88,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff2007ee8bc70,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff80002a34c7c0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff80002a34c7c0,ffff80002a34c7f8,ffff80002a34c830,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff2007ee8bb88,6a92a000,0,1) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80002a34c970,6a92a93a) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c970) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtable_l2(0) at rtable_l2+0x7f sys/net/rtable.c:315
in_pcbhash_insert(fffff2006ff62668) at in_pcbhash_insert+0x197 sys/netinet/in_pcb.c:-1
in_pcballoc(ffff800001662340,ffffffff83b09748,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
tcp_attach(ffff800001662340,0,1) at tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
end trace frame: 0xffff80002a34cc40, count: 0
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: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8355b16a) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff2007ee8bc88,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff2007ee8bc70,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff80002a34c7c0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff80002a34c7c0,ffff80002a34c7f8,ffff80002a34c830,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff2007ee8bb88,6a92a000,0,1) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80002a34c970,6a92a93a) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c970) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtable_l2(0) at rtable_l2+0x7f sys/net/rtable.c:315
in_pcbhash_insert(fffff2006ff62668) at in_pcbhash_insert+0x197 sys/netinet/in_pcb.c:-1
in_pcballoc(ffff800001662340,ffffffff83b09748,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
tcp_attach(ffff800001662340,0,1) at tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
socreate(18,ffff80002a34cc60,1,0) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(18,ffff80002a34cc60,1,0) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80002fb8afc0,ffff80002a34cdb0,ffff80002a34cd00) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80002a34cdb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a34cdb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdcd35733460, count: -18
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a34c400
rbx 0xffff80002999ee07
rdx 0xffff800001603680
rcx 0xffff80002fb8afc0
rax 0xffff80002999dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x53d05b6a86ec3eb1
r11 0x4674c62818411e3d
r12 0xffff80002999ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff819f9fc5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a34c3f0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=504680 pid=21164 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002fb8ba20,0xffff80002fb8bcc8
process=0xffff80002a37c018 user=0xffff80002a347000, vmspace=0xfffff2007ee8bb88
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
70049 37981 87373 0 2 0x40 0 syz-executor
30897 457049 70790 0 2 0 0 syz-executor
21164 332873 64085 0 2 0 0 syz-executor
*21164 504680 64085 0 7 0 0x4000000 syz-executor
3602 415292 85284 0 2 0 0 syz-executor
3602 66408 85284 0 7 0 0x4000000 syz-executor
87373 403310 44034 0 3 0x82 0 ppwait syz-executor
33738 153831 22516 0 3 0 0x80 nanoslp syz-executor
33738 421175 22516 0 3 0 0x4000080 ttyout syz-executor
33738 491787 22516 0 3 0 0x4000080 fsleep syz-executor
45231 82332 24631 0 3 0 0x80 nanoslp syz-executor
45231 546 24631 0 3 0 0x4000080 kqread syz-executor
45231 383447 24631 0 3 0 0x4000080 kqsel syz-executor
45231 25381 24631 0 3 0 0x4000080 fsleep syz-executor
70790 435268 44034 0 3 0x2 0x80 nanoslp syz-executor
22516 387087 44034 0 3 0x2 0x80 nanoslp syz-executor
64085 472809 44034 0 3 0x2 0x80 nanoslp syz-executor
24631 393246 44034 0 3 0x2 0x80 nanoslp syz-executor
48357 266715 44034 0 3 0x2 0x80 nanoslp syz-executor
85284 499661 44034 0 3 0x2 0x80 nanoslp syz-executor
44034 90159 8992 0 3 0x2 0x80 wait syz-executor
8992 331972 46565 0 3 0x100002 0x88 sigsusp ksh
46565 495884 84852 0 3 0x10 0x88 kqread sshd-session
84852 384922 74123 0 3 0x12 0x80 kqread sshd-session
31064 148599 1 0 3 0x100003 0x80 ttyin getty
74123 459919 1 0 3 0 0x88 kqread sshd
88254 51864 84169 74 3 0x1100012 0x80 bpf pflogd
84169 284665 1 0 3 0 0x80 sbwait pflogd
93274 224748 80025 73 3 0x1100010 0x80 kqread syslogd
80025 163140 1 0 3 0x100002 0x80 sbwait syslogd
4995 89657 1 0 3 0x100000 0x80 kqread resolvd
46728 340634 42639 77 3 0x100012 0x80 kqread dhcpleased
53667 210271 42639 77 3 0x100012 0x80 kqread dhcpleased
42639 523318 1 0 3 0 0x80 kqread dhcpleased
11605 135097 0 0 3 0x14000 0x200 bored smr
65291 124648 0 0 2 0x14000 0x200 zerothread
14138 74451 0 0 3 0x14000 0x200 aiodoned aiodoned
56670 255032 0 0 3 0x14000 0x200 syncer update
97900 118256 0 0 3 0x14000 0x200 cleaner cleaner
87232 375031 0 0 3 0x14000 0x200 reaper reaper
53702 266135 0 0 3 0x14000 0x200 pgdaemon pagedaemon
90130 304568 0 0 3 0x14000 0x200 bored viomb
24817 191803 0 0 3 0x14000 0x40000200 acpi0 acpi0
25278 5557 0 0 3 0x14000 0x40000200 idle1
15898 490587 0 0 3 0x14000 0x200 bored softnet1
74024 243387 0 0 3 0x14000 0x200 bored softnet0
32665 251629 0 0 3 0x14000 0x200 smrbar systqmp
57335 272971 0 0 3 0x14000 0x200 bored systq
78253 441424 0 0 3 0x14000 0x200 tmoslp softclockmp
46553 306243 0 0 3 0x14000 0x40000200 tmoslp softclock
50554 334812 0 0 3 0x14000 0x40000200 idle0
1 144378 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83b09758)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#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 21164 (syz-executor) thread 0xffff80002fb8afc0 (504680)
exclusive rwlock inet46 r = 0 (0xffff800001662360)
#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 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#2 socreate+0x214 sys/kern/uipc_socket.c:220
#3 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#5 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff838e7000)
#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 solock_shared+0x6e sys/kern/uipc_socket2.c:343
#3 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline]
#3 socreate+0x214 sys/kern/uipc_socket.c:220
#4 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#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 mutex &table->inpt_mtx r = 0 (0xffffffff83b09758)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 in_pcballoc+0x192 sys/netinet/in_pcb.c:265
#3 tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
#4 socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
#4 socreate+0x238 sys/kern/uipc_socket.c:220
#5 sys_socket+0x124 sys/kern/uipc_syscalls.c:102
#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 3602 (syz-executor) thread 0xffff80002fb8a030 (415292)
shared rwlock vmmaplk r = 0 (0xfffff2007ee8b4e8)
#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:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
#6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
#7 recall_trap+0x8
Process 32665 (systqmp) thread 0xffff800045ffe530 (251629)
shared rwlock systqmp r = 0 (0xffffffff838ec3e8)
#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 11055 12083K 12284K 166960K 12263 0
pcb 17 12K 12K 166960K 37 0
rtable 221 7K 8K 166960K 593 0
pf 33 17K 21K 166960K 75 0
ifaddr 39 6K 7K 166960K 78 0
ifgroup 51 2K 2K 166960K 90 0
sysctl 3 1K 9K 166960K 9 0
counters 68 36K 37K 166960K 88 0
ioctlops 0 0K 4K 166960K 1509 0
iov 0 0K 4K 166960K 2 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1299 82K 82K 166960K 1491 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 7 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 17 61K 97K 166960K 321 0
sigio 0 0K 0K 166960K 1 0
proc 71 115K 164K 166960K 758 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 11 0
in_multi 91 6K 6K 166960K 181 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 499 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 218 166K 176K 166960K 4407 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 42 84K 106K 166960K 1689 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 2 0
NDP 16 0K 2K 166960K 52 0
temp 36 9114K 9146K 166960K 5358 0
kqueue 14 22K 28K 166960K 47 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 54 0 51 1 0 1 1 0 8 0
rtentry 176 192 0 93 5 0 5 5 0 8 0
unpcb 144 56 0 37 1 0 1 1 0 8 0
syncache 336 5 0 5 1 1 0 1 0 8 0
tcpcb 736 36 0 31 1 0 1 1 0 8 0
arp 136 32 0 18 1 0 1 1 0 8 0
inpcb 328 226 0 217 7 5 2 6 0 8 1
nd6 152 47 0 24 1 0 1 1 0 8 0
kcovpl 48 16 0 8 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 0 1 1 0 8 1
pfstscr 40 2 0 1 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
pfstitem 24 28 0 0 1 0 1 1 0 8 0
pfstkey 128 30 0 2 1 0 1 1 0 8 0
pfstate 448 28 0 1 3 0 3 3 0 8 0
pfrule 1360 22 0 17 2 1 1 2 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 772 0 312 33 1 32 32 0 8 1
art_table 40 774 0 312 6 0 6 6 0 8 0
art_node 32 192 0 94 1 0 1 1 0 8 0
semapl 72 4 0 0 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1695 0 210 93 0 93 93 0 8 0
ffsino 296 1695 0 210 115 0 115 115 0 8 0
nchpl 144 1991 0 264 64 0 64 64 0 8 0
vnodes 216 1898 0 0 106 0 106 106 0 8 0
namei 1024 6806 0 6806 2 1 1 2 0 8 1
percpumem 16 60 0 10 1 0 1 1 0 8 0
kstatmem 264 45 0 20 2 0 2 2 0 8 0
scxspl 216 6688 0 6688 4 3 1 3 1 8 1
plimitpl 152 86 0 67 1 0 1 1 0 8 0
sigapl 424 631 0 584 7 1 6 7 0 8 0
knotepl 120 247 0 0 8 0 8 8 0 8 0
kqueuepl 224 49 0 36 1 0 1 1 0 8 0
pipepl 344 161 0 134 3 0 3 3 0 8 0
fdescpl 528 615 0 584 3 0 3 3 0 8 0
filepl 160 2281 0 2063 12 2 10 12 0 8 0
lockfpl 104 53 0 50 1 0 1 1 0 8 0
lockfspl 48 21 0 18 1 0 1 1 0 8 0
sessionpl 144 39 0 30 1 0 1 1 0 8 0
pgrppl 48 57 0 40 1 0 1 1 0 8 0
ucredpl 104 208 0 194 1 0 1 1 0 8 0
zombiepl 144 586 0 584 2 1 1 1 0 8 0
processpl 1232 631 0 584 5 1 4 5 0 8 0
procpl 664 784 0 730 7 1 6 6 0 8 0
sockpl 752 337 0 306 11 7 4 10 0 8 0
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 129 0 0 17 0 17 17 0 8 0
mcl2k 2048 22 0 0 3 0 3 3 0 8 0
mextrefs 64 20 0 0 1 0 1 1 0 8 0
mtagpl 96 6 0 0 1 0 1 1 0 8 0
mbufpl 256 132 0 0 9 0 9 9 0 8 0
bufpl 272 2406 0 106 154 0 154 154 0 8 0
anonpl 32 4302 0 0 36 1 35 35 0 247 0
amapchunkpl 152 11733 0 11293 23 1 22 22 0 158 3
amappl16 200 1193 0 1175 7 2 5 5 0 8 3
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 531 0 530 1 0 1 1 0 8 0
amappl13 176 225 0 213 1 0 1 1 0 8 0
amappl12 168 896 0 867 2 0 2 2 0 8 0
amappl11 160 5 0 4 1 0 1 1 0 8 0
amappl10 152 95 0 81 1 0 1 1 0 8 0
amappl9 144 275 0 275 1 1 0 1 0 8 0
amappl8 136 157 0 155 1 0 1 1 0 8 0
amappl7 128 163 0 150 1 0 1 1 0 8 0
amappl6 120 226 0 225 1 0 1 1 0 8 0
amappl5 112 99 0 89 1 0 1 1 0 8 0
amappl4 104 317 0 298 1 0 1 1 0 8 0
amappl3 96 2197 0 2109 3 0 3 3 0 8 0
amappl2 88 727 0 651 2 0 2 2 0 8 0
amappl1 80 11846 0 11246 15 1 14 15 0 8 0
amappl 88 3532 0 3385 5 0 5 5 0 92 1
uvmvnodes 80 99 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 615 0 584 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 615 0 584 1 0 1 1 0 8 0
vmmpekpl 168 7077 0 7037 3 0 3 3 0 8 0
vmmpepl 168 48085 0 46207 91 1 90 90 0 357 7
vmsppl 488 614 0 584 5 0 5 5 0 8 1
rwobjpl 80 16473 0 15469 24 1 23 24 0 8 0
pdppl 4096 1237 0 1168 111 34 77 87 0 8 8
pvpl 32 11016 0 0 90 1 89 89 0 265 0
pmappl 256 614 0 584 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 442 0 40 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff838daff0) 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(ffffffff83a6bdc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a6bdc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
syscall(ffff800039fe9260) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
syscall(ffff800039fe9260) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cddb776490, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff838daff0) 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(ffffffff83a6bdc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a6bdc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173
syscall(ffff800039fe9260) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline]
syscall(ffff800039fe9260) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cddb776490, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8355b16a) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff2007ee8bc88,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff2007ee8bc70,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff80002a34c7c0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff80002a34c7c0,ffff80002a34c7f8,ffff80002a34c830,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff2007ee8bb88,6a92a000,0,1) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80002a34c970,6a92a93a) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c970) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtable_l2(0) at rtable_l2+0x7f sys/net/rtable.c:315
in_pcbhash_insert(fffff2006ff62668) at in_pcbhash_insert+0x197 sys/netinet/in_pcb.c:-1
in_pcballoc(ffff800001662340,ffffffff83b09748,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
tcp_attach(ffff800001662340,0,1) at tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
end trace frame: 0xffff80002a34cc40, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8355b16a) at panic+0x1e5 sys/kern/subr_prf.c:198
witness_checkorder(fffff2007ee8bc88,1,0) at witness_checkorder+0x11ee sys/kern/subr_witness.c:847
rw_do_enter_read(fffff2007ee8bc70,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
uvmfault_lookup(ffff80002a34c7c0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
uvm_fault_check(ffff80002a34c7c0,ffff80002a34c7f8,ffff80002a34c830,0) at uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
uvm_fault(fffff2007ee8bb88,6a92a000,0,1) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
kpageflttrap(ffff80002a34c970,6a92a93a) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285
kerntrap(ffff80002a34c970) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtable_l2(0) at rtable_l2+0x7f sys/net/rtable.c:315
in_pcbhash_insert(fffff2006ff62668) at in_pcbhash_insert+0x197 sys/netinet/in_pcb.c:-1
in_pcballoc(ffff800001662340,ffffffff83b09748,1) at in_pcballoc+0x24c sys/netinet/in_pcb.c:269
tcp_attach(ffff800001662340,0,1) at tcp_attach+0x1c4 sys/netinet/tcp_usrreq.c:496
socreate(18,ffff80002a34cc60,1,0) at socreate+0x238 pru_attach sys/sys/protosw.h:275 [inline]
socreate(18,ffff80002a34cc60,1,0) at socreate+0x238 sys/kern/uipc_socket.c:220
sys_socket(ffff80002fb8afc0,ffff80002a34cdb0,ffff80002a34cd00) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80002a34cdb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a34cdb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdcd35733460, count: -18