panic: kpearninecl diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
353285 90854 32767 0x10 0 0 syz-executor
*247713 84261 32767 0x10 0x4000000 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425
syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9143993ac40, count: 6
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
cpu0: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 954
*cpu1: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425
syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9143993ac40, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000371fcfb0
rbx 0xffff800029b7cdbf
rdx 0
rcx 0xffff800037235980
rax 0xffff800029b7bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xd92eb4e09fde7de8
r11 0x6ea79f4021040fe9
r12 0xffff800029b7cbc0
r13 0
r14 0
r15 0x1
rip 0xffffffff821e79e5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff8000371fcfa0
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=247713 pid=84261 tcnt=3 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800037235c08,0xffff8000372342c8
process=0xffff800030ba6d70 user=0xffff8000371f8000, vmspace=0xfffffd806c283aa0
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
90854 353285 20283 32767 7 0x10 syz-executor
90854 96221 20283 32767 3 0x4000090 fsleep syz-executor
84261 469541 9793 32767 2 0x10 syz-executor
84261 245519 9793 32767 3 0x4000090 fsleep syz-executor
*84261 247713 9793 32767 7 0x4000010 syz-executor
74206 204196 63338 32767 2 0x10 syz-executor
74206 115940 63338 32767 3 0x4000090 fsleep syz-executor
62906 196324 60211 32767 3 0x90 nanoslp syz-executor
62906 358200 60211 32767 3 0x4000090 netcon syz-executor
62906 393931 60211 32767 3 0x4000090 fsleep syz-executor
81282 331616 2044 32767 2 0x10 syz-executor
81282 162083 2044 32767 3 0x4000090 fsleep syz-executor
81282 482057 2044 32767 3 0x4000090 fsleep syz-executor
19142 432017 11103 32767 3 0x90 nanoslp syz-executor
19142 234654 11103 32767 3 0x4000090 fifor syz-executor
19142 165690 11103 32767 3 0x4000090 fsleep syz-executor
4456 330340 0 0 3 0x14200 bored sosplice
2044 468019 67466 32767 3 0x90 nanoslp syz-executor
63338 356565 79321 32767 3 0x90 nanoslp syz-executor
60211 214190 97384 32767 3 0x90 nanoslp syz-executor
9793 411507 57894 32767 3 0x90 nanoslp syz-executor
12111 480250 80230 32767 2 0x10 syz-executor
11103 469904 84765 32767 3 0x90 nanoslp syz-executor
46557 429753 58427 32767 3 0x90 wait syz-executor
20283 436568 99838 32767 3 0x90 nanoslp syz-executor
57894 13401 83231 0 3 0x82 wait syz-executor
97384 493067 83231 0 3 0x82 wait syz-executor
79321 101794 83231 0 3 0x82 wait syz-executor
67466 523490 83231 0 3 0x82 wait syz-executor
80230 396332 83231 0 3 0x82 wait syz-executor
58427 51857 83231 0 3 0x82 wait syz-executor
84765 246195 83231 0 3 0x82 wait syz-executor
99838 179862 83231 0 3 0x82 wait syz-executor
83231 190792 49459 0 3 0x82 kqread syz-executor
49459 63086 74906 0 3 0x10008a sigsusp ksh
74906 368223 31930 0 3 0x98 kqread sshd-session
31930 421390 219 0 3 0x92 kqread sshd-session
72493 374581 1 0 3 0x100083 ttyin getty
219 304214 1 0 3 0x88 kqread sshd
15148 378281 26717 73 3 0x1100090 kqread syslogd
26717 480278 1 0 3 0x100082 sbwait syslogd
2203 486705 1 0 3 0x100080 kqread resolvd
37010 221986 18831 77 3 0x100092 kqread dhcpleased
69174 74180 18831 77 3 0x100092 kqread dhcpleased
18831 48565 1 0 3 0x80 kqread dhcpleased
27556 372231 0 0 3 0x14200 bored smr
7110 395044 0 0 2 0x14200 zerothread
9128 126610 0 0 3 0x14200 aiodoned aiodoned
48807 189533 0 0 3 0x14200 syncer update
75442 102536 0 0 3 0x14200 cleaner cleaner
3053 329475 0 0 3 0x14200 reaper reaper
93783 496400 0 0 3 0x14200 pgdaemon pagedaemon
63998 503923 0 0 3 0x14200 bored viomb
87842 138924 0 0 3 0x40014200 acpi0 acpi0
20273 182941 0 0 3 0x40014200 idle1
69987 512459 0 0 3 0x14200 bored softnet3
8814 289333 0 0 3 0x14200 bored softnet2
10632 348010 0 0 3 0x14200 bored softnet1
47497 196236 0 0 3 0x14200 bored softnet0
1863 274377 0 0 3 0x14200 bored systqmp
98652 180952 0 0 3 0x14200 bored systq
56364 431059 0 0 3 0x14200 tmoslp softclockmp
13108 333269 0 0 3 0x40014200 tmoslp softclock
99386 415939 0 0 3 0x40014200 idle0
1 145886 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 84261 (syz-executor) thread 0xffff800037235980 (247713)
exclusive rwlock amaplk r = 0 (0xfffffd805ffd6358)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464
#3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676
#4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
#5 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#5 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#6 sys_sysctl+0x425
#7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83531560)
#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+0x278 sys/kern/kern_synch.c:417
#4 rw_enter+0x348 sys/kern/kern_rwlock.c:285
#5 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464
#6 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676
#7 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
#8 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#8 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#9 sys_sysctl+0x425
#10 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#10 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
shared rwlock vmmaplk r = 0 (0xfffffd806c283b98)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1619
#2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#3 sys_sysctl+0x425
#4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff834f1960)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181
#3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504
#4 sys_sysctl+0x425
#5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10185 11047K 11059K 166960K 11263 0
pcb 17 12K 12K 166960K 17 0
rtable 238 6K 7K 166960K 350 0
pf 31 16K 16K 166960K 31 0
ifaddr 42 7K 7K 166960K 44 0
ifgroup 50 2K 2K 166960K 50 0
counters 64 36K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 32 0
iov 0 0K 8K 166960K 13 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1365 86K 86K 166960K 1398 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 12 0K 0K 166960K 47 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 25 93K 121K 166960K 298 0
sigio 0 0K 0K 166960K 5 0
proc 58 79K 103K 166960K 484 0
subproc 104 6K 6K 166960K 104 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 169 0
in_multi 99 7K 7K 166960K 101 0
ether_multi 1 0K 0K 166960K 1 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 461 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 256 76K 89K 166960K 4135 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 46 92K 114K 166960K 1294 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 17 0
NDP 11 0K 2K 166960K 27 0
temp 42 6815K 6879K 166960K 4236 0
kqueue 13 20K 26K 166960K 52 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 120 109 0 106 3 0 3 3 0 8 2
rtentry 112 113 0 1 4 0 4 4 0 8 0
unpcb 144 138 0 115 1 0 1 1 0 8 0
syncache 336 6 0 6 2 1 1 1 0 8 1
tcpqe 32 3 0 3 1 0 1 1 0 8 1
tcpcb 808 115 0 101 5 0 5 5 0 8 3
arp 120 18 0 0 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 2 0 0 1 0 1 1 0 8 0
inpcb 336 325 0 307 7 0 7 7 0 8 5
nd6 136 26 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 256 458 0 0 29 0 29 29 0 8 0
art_table 32 459 0 0 4 0 4 4 0 8 0
art_node 16 112 0 10 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0
semapl 112 45 0 35 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1779 0 275 95 0 95 95 0 8 0
ffsino 272 1779 0 275 101 0 101 101 0 8 0
nchpl 144 2201 0 525 63 0 63 63 0 8 0
uvmvnodes 80 1892 0 0 39 0 39 39 0 8 0
vnodes 216 1892 0 0 106 0 106 106 0 8 0
namei 1024 6813 0 6813 2 1 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 6562 0 6562 10 2 8 8 1 8 8
plimitpl 152 119 0 94 2 0 2 2 0 8 0
sigapl 424 572 0 516 7 0 7 7 0 8 0
futexpl 64 2399 0 2392 1 0 1 1 0 8 0
knotepl 120 309 0 0 10 0 10 10 0 8 0
kqueuepl 216 63 0 54 1 0 1 1 0 8 0
pipepl 320 116 0 88 3 0 3 3 0 8 0
fdescpl 496 553 0 516 7 1 6 6 0 8 0
filepl 152 2476 0 2218 14 0 14 14 0 8 3
lockfpl 104 64 0 62 1 0 1 1 0 8 0
lockfspl 48 25 0 23 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 32 0 8 1 0 1 1 0 8 0
ucredpl 104 285 0 266 1 0 1 1 0 8 0
zombiepl 144 517 0 516 1 0 1 1 0 8 0
processpl 1160 572 0 516 5 0 5 5 0 8 0
procpl 648 839 0 773 7 0 7 7 0 8 1
sosppl 168 2 0 1 1 0 1 1 0 8 0
sockpl 664 576 0 532 12 0 12 12 0 8 8
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 144 0 0 18 0 18 18 0 8 0
mcl2k 2048 19 0 0 3 0 3 3 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 206 0 0 13 0 13 13 0 8 0
bufpl 280 2348 0 94 161 0 161 161 0 8 0
anonpl 24 205851 0 202486 47 0 47 47 0 185 10
amapchunkpl 152 14734 0 13973 34 0 34 34 0 158 3
amappl16 200 6266 0 6249 16 3 13 15 0 8 8
amappl15 192 10 0 10 1 1 0 1 0 8 0
amappl14 184 109 0 99 1 0 1 1 0 8 0
amappl13 176 11 0 11 1 0 1 1 0 8 1
amappl12 168 1150 0 1113 2 0 2 2 0 8 0
amappl11 160 56 0 46 1 0 1 1 0 8 0
amappl10 152 17 0 17 1 1 0 1 0 8 0
amappl9 144 140 0 140 1 1 0 1 0 8 0
amappl8 136 30 0 29 1 0 1 1 0 8 0
amappl7 128 105 0 94 1 0 1 1 0 8 0
amappl6 120 158 0 157 1 0 1 1 0 8 0
amappl5 112 132 0 124 1 0 1 1 0 8 0
amappl4 104 283 0 269 1 0 1 1 0 8 0
amappl3 96 2483 0 2376 4 0 4 4 0 8 0
amappl2 88 832 0 747 3 0 3 3 0 8 0
amappl1 80 8112 0 7577 14 0 14 14 0 8 1
amappl 88 3791 0 3590 6 0 6 6 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 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 553 0 516 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 553 0 516 1 0 1 1 0 8 0
vmmpekpl 168 5832 0 5797 2 0 2 2 0 8 0
vmmpepl 168 44482 0 42488 102 1 101 101 0 357 11
vmsppl 448 552 0 516 5 0 5 5 0 8 0
rwobjpl 56 20331 0 17587 43 0 43 43 0 8 0
pdppl 4096 1113 0 1032 117 34 83 95 0 8 2
pvpl 32 14955 0 0 121 0 121 121 0 265 0
pmappl 248 552 0 516 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 407 0 38 11 0 11 11 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83477ff0) 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
__mp_lock(ffffffff83531358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83531358) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
cnputc(20) at cnputc+0x61 sys/dev/cons.c:218
db_putchar(3a) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(3a) at db_putchar+0x524 sys/ddb/db_output.c:153
kprintf() at kprintf+0x843
db_printf(ffffffff8308a500) at db_printf+0x9b
panic(ffffffff830eb279) at panic+0x103 sys/kern/subr_prf.c:216
__assert(ffffffff8309de80,ffffffff8303c7a2,3ba,ffffffff830c029b) at __assert+0x29
uvn_get(fffffd806d38cab8,0,ffff8000371f7340,ffff8000371f71bc,0,1,1f6587a45d2cf05f,0) at uvn_get+0x69b sys/uvm/uvm_vnode.c:953
uvm_fault_lower_lookup(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1125
end trace frame: 0xffff8000371f72b0, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff83477ff0) 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
__mp_lock(ffffffff83531358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff83531358) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
cnputc(20) at cnputc+0x61 sys/dev/cons.c:218
db_putchar(3a) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline]
db_putchar(3a) at db_putchar+0x524 sys/ddb/db_output.c:153
kprintf() at kprintf+0x843
db_printf(ffffffff8308a500) at db_printf+0x9b
panic(ffffffff830eb279) at panic+0x103 sys/kern/subr_prf.c:216
__assert(ffffffff8309de80,ffffffff8303c7a2,3ba,ffffffff830c029b) at __assert+0x29
uvn_get(fffffd806d38cab8,0,ffff8000371f7340,ffff8000371f71bc,0,1,1f6587a45d2cf05f,0) at uvn_get+0x69b sys/uvm/uvm_vnode.c:953
uvm_fault_lower_lookup(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1125
uvm_fault_lower(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1224
uvm_fault(fffffd806c2831e0,110c230000,0,1) at uvm_fault+0x2e4 sys/uvm/uvm_fault.c:632
upageflttrap(ffff8000371f7540,110c230000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff8000371f7540) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x783663c91290, count: -19
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(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425
syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9143993ac40, count: 6
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29
uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425
syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9143993ac40, count: -9