panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1739
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
514128 95998 32767 0x10 0 0 syz-executor
* 96096 95998 32767 0x10 0x4000000 1K syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83154ca0) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83108501,ffffffff8313fac2,6cb,ffffffff8306970c) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire_locked+0x4c1
uvm_fault_unwire(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
kern_sysctl(ffff80003c60a554,5,200000000100,ffff80003c60a588,0,67,8373db764118e59e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
sys_sysctl(ffff8000ffff7460,ffff80003c60a6c0,ffff80003c60a610) at sys_sysctl+0x425
syscall(ffff80003c60a6c0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c60a6c0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff0caea70, count: 5
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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1739
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83154ca0) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83108501,ffffffff8313fac2,6cb,ffffffff8306970c) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire_locked+0x4c1
uvm_fault_unwire(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
kern_sysctl(ffff80003c60a554,5,200000000100,ffff80003c60a588,0,67,8373db764118e59e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
sys_sysctl(ffff8000ffff7460,ffff80003c60a6c0,ffff80003c60a610) at sys_sysctl+0x425
syscall(ffff80003c60a6c0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c60a6c0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff0caea70, count: -10
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c60a130
rbx 0xffff800029b5cdc7
rdx 0
rcx 0xffff8000ffff7460
rax 0xffff800029b5bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x7d9a6b3790634141
r11 0x83dc116790c7c5e8
r12 0xffff800029b5cbc8
r13 0
r14 0
r15 0x1
rip 0xffffffff811c7ac5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c60a120
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=96096 pid=95998 tcnt=4 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffff6020,0xffff8000ffff96f0
process=0xffff80003bdaddc0 user=0xffff80003c605000, vmspace=0xfffffd806c10f580
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
95998 514128 47159 32767 7 0x10 syz-executor
95998 118200 47159 32767 3 0x4000090 fsleep syz-executor
*95998 96096 47159 32767 7 0x4000010 syz-executor
95998 378086 47159 32767 2 0x4000010 syz-executor
18101 158748 62734 32767 3 0x90 nanoslp syz-executor
18101 363474 62734 32767 3 0x4000090 ttyout syz-executor
18101 313309 62734 32767 3 0x4000090 fsleep syz-executor
92829 134886 59446 32767 2 0x10 syz-executor
92829 439427 59446 32767 3 0x4000090 kqpoll syz-executor
32145 37131 62069 0 2 0x100000 sh
80343 85441 59403 32767 2 0x10 syz-executor
80343 230493 59403 32767 3 0x4000090 fsleep syz-executor
80343 283700 59403 32767 3 0x4000090 fsleep syz-executor
6729 296946 68594 32767 4 0x82010 syz-executor
6729 403021 68594 32767 4 0x4082010 syz-executor
6729 443509 68594 32767 2 0x4082010 syz-executor
6729 189754 68594 32767 3 0x4002010 suspend syz-executor
12870 156039 47289 32767 2 0x10 syz-executor
12870 290902 47289 32767 3 0x4000090 fsleep syz-executor
12870 100871 47289 32767 3 0x4000090 fsleep syz-executor
62069 123273 16938 0 3 0x10008a sigsusp sh
82097 392244 90367 32767 3 0x90 nanoslp syz-executor
82097 24053 90367 32767 3 0x4000090 fifor syz-executor
82097 233714 90367 32767 3 0x4000090 fsleep syz-executor
47159 101336 24454 32767 3 0x90 nanoslp syz-executor
68594 267010 95506 32767 3 0x90 nanoslp syz-executor
59446 132150 11258 32767 3 0x90 nanoslp syz-executor
62734 502349 96386 32767 3 0x90 nanoslp syz-executor
59403 29878 68881 32767 3 0x90 nanoslp syz-executor
47289 282874 50898 32767 3 0x90 nanoslp syz-executor
90367 323694 49237 32767 3 0x90 nanoslp syz-executor
16938 330943 20211 0 3 0x80 wait syz-executor
24454 457830 5569 0 3 0x82 wait syz-executor
95506 501255 5569 0 3 0x82 wait syz-executor
11258 128116 5569 0 3 0x82 wait syz-executor
68881 206476 5569 0 3 0x82 wait syz-executor
96386 319339 5569 0 3 0x82 wait syz-executor
20211 514313 5569 0 3 0x82 wait syz-executor
50898 337753 5569 0 3 0x82 wait syz-executor
49237 20444 5569 0 3 0x82 wait syz-executor
5569 489353 21060 0 3 0x82 kqread syz-executor
21060 104802 92462 0 3 0x10008a sigsusp ksh
92462 381591 94829 0 3 0x98 kqread sshd-session
94829 321289 97666 0 3 0x92 kqread sshd-session
50948 197197 1 0 3 0x100083 ttyin getty
97666 13885 1 0 3 0x88 kqread sshd
95137 295233 3320 73 3 0x1100090 kqread syslogd
3320 495453 1 0 3 0x100082 sbwait syslogd
82296 69452 1 0 3 0x100080 kqread resolvd
62076 124254 88593 77 3 0x100092 kqread dhcpleased
13803 200377 88593 77 3 0x100092 kqread dhcpleased
88593 463506 1 0 3 0x80 kqread dhcpleased
50566 51523 0 0 3 0x14200 bored smr
96756 435708 0 0 2 0x14200 zerothread
23928 207251 0 0 3 0x14200 aiodoned aiodoned
63163 436076 0 0 3 0x14200 syncer update
65100 432076 0 0 3 0x14200 cleaner cleaner
87382 342358 0 0 3 0x14200 reaper reaper
11488 300597 0 0 3 0x14200 pgdaemon pagedaemon
17708 228743 0 0 3 0x14200 bored viomb
27699 427797 0 0 3 0x40014200 acpi0 acpi0
73637 58711 0 0 3 0x40014200 idle1
78939 151326 0 0 3 0x14200 bored softnet3
62788 150484 0 0 3 0x14200 bored softnet2
35545 137620 0 0 3 0x14200 bored softnet1
59247 170371 0 0 3 0x14200 bored softnet0
38079 81772 0 0 3 0x14200 bored systqmp
26406 390167 0 0 3 0x14200 bored systq
4180 197514 0 0 3 0x14200 tmoslp softclockmp
29078 172180 0 0 3 0x40014200 tmoslp softclock
87241 233800 0 0 3 0x40014200 idle0
1 214918 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 95998 (syz-executor) thread 0xffff8000ffff7460 (96096)
exclusive rwlock amaplk r = 0 (0xfffffd80732043a0)
#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 uvm_map_lock_entry+0x51 sys/uvm/uvm_map.c:464
#3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1758
#4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702
#5 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
#5 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
#6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
#7 sys_sysctl+0x425
#8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
shared rwlock vmmaplk r = 0 (0xfffffd806c10f680)
#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_read+0x3af sys/kern/kern_rwlock.c:405
#2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701
#3 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
#3 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
#4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
#5 sys_sysctl+0x425
#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 kernel_lock &kernel_lock r = 0 (0xffffffff835a18f0)
#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
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x24f sys/kern/kern_synch.c:414
#4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292
#5 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250
#6 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1858
#7 uvm_fault_check+0x987 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline]
#7 uvm_fault_check+0x987 sys/uvm/uvm_fault.c:774
#8 uvm_fault+0x106 sys/uvm/uvm_fault.c:668
#9 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681
#10 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195
#11 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426
#12 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
#13 sys_sysctl+0x425
#14 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#14 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff834e4ea8)
#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 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:185
#3 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426
#4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
#5 sys_sysctl+0x425
#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
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10184 10953K 10966K 166960K 11263 0
pcb 17 12K 12K 166960K 17 0
rtable 232 6K 7K 166960K 339 0
pf 31 16K 16K 166960K 31 0
ifaddr 42 7K 7K 166960K 44 0
ifgroup 50 2K 2K 166960K 50 0
sysctl 1 1K 1K 166960K 1 0
counters 64 36K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 29 0
iov 0 0K 12K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1333 84K 84K 166960K 1351 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 3 0K 0K 166960K 3 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 27 101K 117K 166960K 168 0
proc 58 79K 103K 166960K 473 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 9 0
in_multi 99 7K 7K 166960K 101 0
ether_multi 1 0K 0K 166960K 1 0
mrt 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 335 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 255 74K 91K 166960K 2864 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 48 96K 110K 166960K 1157 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 27 2K 2K 166960K 27 0
temp 35 6886K 6950K 166960K 3685 0
kqueue 16 24K 28K 166960K 28 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 35 0 32 1 0 1 1 0 8 0
rtentry 112 110 0 1 4 0 4 4 0 8 0
unpcb 144 48 0 29 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 808 21 0 13 1 0 1 1 0 8 0
arp 120 18 0 0 1 0 1 1 0 8 0
inpcb 376 144 0 128 8 0 8 8 0 8 5
nd6 136 23 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 452 0 0 29 0 29 29 0 8 0
art_table 32 453 0 0 4 0 4 4 0 8 0
art_node 16 109 0 10 1 0 1 1 0 8 0
semapl 112 1 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1575 0 74 94 0 94 94 0 8 0
ffsino 280 1575 0 74 108 0 108 108 0 8 0
nchpl 144 1799 0 125 63 0 63 63 0 8 0
uvmvnodes 80 1656 0 0 34 0 34 34 0 8 0
vnodes 216 1656 0 0 92 0 92 92 0 8 0
namei 1024 5205 0 5205 1 0 1 1 0 8 1
percpumem 16 46 0 0 1 0 1 1 0 8 0
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5312 0 5312 3 1 2 2 1 8 2
plimitpl 152 38 0 12 2 0 2 2 0 8 1
sigapl 424 438 0 381 7 0 7 7 0 8 0
futexpl 64 365 0 358 1 0 1 1 0 8 0
knotepl 120 67 0 0 3 0 3 3 0 8 0
kqueuepl 216 27 0 14 1 0 1 1 0 8 0
pipepl 328 101 0 73 3 0 3 3 0 8 0
fdescpl 504 420 0 381 7 1 6 6 0 8 0
filepl 152 1463 0 1235 11 0 11 11 0 8 1
lockfpl 104 17 0 14 1 0 1 1 0 8 0
lockfspl 48 10 0 7 1 0 1 1 0 8 0
sessionpl 144 21 0 5 1 0 1 1 0 8 0
pgrppl 48 29 0 5 1 0 1 1 0 8 0
ucredpl 104 114 0 96 1 0 1 1 0 8 0
zombiepl 144 381 0 381 1 0 1 1 0 8 1
processpl 1168 438 0 381 5 0 5 5 0 8 0
procpl 648 498 0 426 6 0 6 6 0 8 0
sockpl 688 227 0 189 9 0 9 9 0 8 5
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 117 0 0 15 0 15 15 0 8 0
mcl2k 2048 18 0 0 3 0 3 3 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 158 0 0 10 0 10 10 0 8 0
bufpl 280 2252 0 124 152 0 152 152 0 8 0
anonpl 24 98188 0 94790 23 0 23 23 0 185 2
amapchunkpl 152 8989 0 8391 29 0 29 29 0 158 6
amappl16 200 1945 0 1922 5 0 5 5 0 8 3
amappl15 192 9 0 9 1 0 1 1 0 8 1
amappl14 184 98 0 88 1 0 1 1 0 8 0
amappl13 176 8 0 8 1 0 1 1 0 8 1
amappl12 168 1009 0 971 2 0 2 2 0 8 0
amappl11 160 44 0 34 1 0 1 1 0 8 0
amappl10 152 6 0 6 1 0 1 1 0 8 1
amappl9 144 244 0 244 1 0 1 1 0 8 1
amappl8 136 20 0 19 1 0 1 1 0 8 0
amappl7 128 90 0 79 1 0 1 1 0 8 0
amappl6 120 171 0 167 1 0 1 1 0 8 0
amappl5 112 114 0 108 1 0 1 1 0 8 0
amappl4 104 274 0 259 1 0 1 1 0 8 0
amappl3 96 1353 0 1216 4 0 4 4 0 8 0
amappl2 88 586 0 533 2 0 2 2 0 8 0
amappl1 80 7389 0 6838 13 0 13 13 0 8 0
amappl 88 2536 0 2329 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 420 0 381 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 420 0 381 1 0 1 1 0 8 0
vmmpekpl 168 4957 0 4930 2 0 2 2 0 8 0
vmmpepl 168 32077 0 30030 90 0 90 90 0 357 0
vmsppl 456 419 0 381 7 1 6 6 0 8 0
rwobjpl 64 13817 0 11293 42 0 42 42 0 8 0
pdppl 4096 847 0 762 103 10 93 93 0 8 8
pvpl 32 10059 0 0 82 0 82 82 0 265 0
pmappl 248 419 0 381 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 277 0 13 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff834dfff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:153
__mp_lock(ffffffff835a16e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff835a16e8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x744d4edb8b60, count: 8
ddb{0}> trace
x86_ipi_db(ffffffff834dfff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:580 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:153
__mp_lock(ffffffff835a16e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff835a16e8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x744d4edb8b60, count: -7
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:437
panic(ffffffff83154ca0) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83108501,ffffffff8313fac2,6cb,ffffffff8306970c) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire_locked+0x4c1
uvm_fault_unwire(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
kern_sysctl(ffff80003c60a554,5,200000000100,ffff80003c60a588,0,67,8373db764118e59e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
sys_sysctl(ffff8000ffff7460,ffff80003c60a6c0,ffff80003c60a610) at sys_sysctl+0x425
syscall(ffff80003c60a6c0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c60a6c0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff0caea70, count: 5
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83154ca0) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83108501,ffffffff8313fac2,6cb,ffffffff8306970c) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire_locked+0x4c1
uvm_fault_unwire(fffffd806c10f580,200000000000,200000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline]
kern_sysctl_dirs(37,ffff80003c60a558,4,200000000100,ffff80003c60a588,0,810113cfe22cd051,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430
kern_sysctl(ffff80003c60a554,5,200000000100,ffff80003c60a588,0,67,8373db764118e59e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524
sys_sysctl(ffff8000ffff7460,ffff80003c60a6c0,ffff80003c60a610) at sys_sysctl+0x425
syscall(ffff80003c60a6c0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c60a6c0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff0caea70, count: -10