panic: Caught invalid memory access at ffff80000191b3b0 size 104 op 1
Stopped at db_enter+0x17: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
259599 11948 0 0 0 0 syz-executor
*461408 11948 0 0 0x4000000 1K syz-executor
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff84635b4e) at panic+0x270 sys/kern/subr_prf.c:198
kasan_memcpy(ffff80000191b3b0,ffff800001e0d6a8,68) at kasan_memcpy+0x1ec
sysctl_sysvipc(ffff80003bbc4588,1,200000000040,ffff80003bbc4560) at sysctl_sysvipc+0x422 sys/kern/kern_sysctl.c:2777
kern_sysctl_dirs(33,ffff80003bbc4588,1,200000000040,ffff80003bbc4560,0,1,1ffff00007778828) at kern_sysctl_dirs+0x407 sys/kern/kern_sysctl.c:445
kern_sysctl(ffff80003bbc4584,2,200000000040,ffff80003bbc4560,0,0,ffff80003bbc47d0) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
sys_sysctl(ffff800029933a08,ffff80003bbc47d0,ffff80003bbc4740) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
syscall(ffff80003bbc47d0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003bbc47d0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe04066beb70, 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
*cpu1: Caught invalid memory access at ffff80000191b3b0 size 104 op 1
ddb{1}> show kasan
KASAN: invalid write of 104 bytes at 0xffff80000191b3b0 from pc 0xffffffff82e1bb02
KASAN: first bad byte at 0xffff80000191b414 (+100); shadow 0x04: partial granule (out-of-bounds)
KASAN: 0xffff80000191b414 is 13332 bytes inside the 16384-byte malloc slot [0xffff800001918000..0xffff80000191c000)
KASAN: allocated at:
#0 malloc+0xda0 sys/kern/kern_malloc.c:446
#1 sysctl_sysvipc+0x237 sys/kern/kern_sysctl.c:2732
#2 kern_sysctl_dirs+0x407 sys/kern/kern_sysctl.c:445
#3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
#4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
#5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
KASAN: pc: sysctl_sysvipc+0x422
KASAN: call trace:
#0 kasan_memcpy+0x1ca kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
#0 kasan_memcpy+0x1ca sys/kern/subr_kasan.c:1025
#1 sysctl_sysvipc+0x422 sys/kern/kern_sysctl.c:2777
#2 kern_sysctl_dirs+0x407 sys/kern/kern_sysctl.c:445
#3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
#4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
#5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
KASAN: shadow of 0xffff80000191b300..0xffff80000191b580 (1 cell = 8 bytes):
0xffff80000191b300: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08
0xffff80000191b380: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08
>0xffff80000191b400: 08 08[04]fb fe fe fe fe fe fe fe fe fe fe fe fe
0xffff80000191b480: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
0xffff80000191b500: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope
ddb{1}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff84635b4e) at panic+0x270 sys/kern/subr_prf.c:198
kasan_memcpy(ffff80000191b3b0,ffff800001e0d6a8,68) at kasan_memcpy+0x1ec
sysctl_sysvipc(ffff80003bbc4588,1,200000000040,ffff80003bbc4560) at sysctl_sysvipc+0x422 sys/kern/kern_sysctl.c:2777
kern_sysctl_dirs(33,ffff80003bbc4588,1,200000000040,ffff80003bbc4560,0,1,1ffff00007778828) at kern_sysctl_dirs+0x407 sys/kern/kern_sysctl.c:445
kern_sysctl(ffff80003bbc4584,2,200000000040,ffff80003bbc4560,0,0,ffff80003bbc47d0) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
sys_sysctl(ffff800029933a08,ffff80003bbc47d0,ffff80003bbc4740) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
syscall(ffff80003bbc47d0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003bbc47d0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe04066beb70, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003bbc3d90
rbx 0xffff80003bbc3e00
rdx 0
rcx 0xffff800028fe3ff0
rax 0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xffff80003bbc3b78
r11 0xffffffff83f284c0 x86_bus_space_io_read_1
r12 0xffffffff84635b4e .str.23+0x9d50e
r13 0xffff800028fe4c08
r14 0xffff800028fe4e07
r15 0x1
rip 0xffffffff818a32b7 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff80003bbc3d90
ss 0x10
db_enter+0x17: popq %rbp
ddb{1}> show proc
PROC (syz-executor) tid=461408 pid=11948 tcnt=4 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=0xffff800029932018,0xffff800029913778
process=0xffff800045fef048 user=0xffff80003bbb9000, vmspace=0xffff800001c7dd78
estcpu=36, cpticks=16, pctcpu=0.0, user=0, sys=16, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
11948 259599 3822 0 7 0 syz-executor
11948 110774 3822 0 3 0x4000080 kqsel syz-executor
*11948 461408 3822 0 7 0x4000000 syz-executor
11948 443341 3822 0 3 0x4000080 fsleep syz-executor
86322 165362 62770 0 3 0x90 nanoslp syz-executor
86322 12978 62770 0 3 0x4000090 sbwait syz-executor
97807 137923 72549 0 3 0x80 nanoslp syz-executor
97807 64307 72549 0 3 0x4000080 fifow syz-executor
97807 460153 72549 0 3 0x4000080 fsleep syz-executor
34178 445362 43654 0 3 0x80 nanoslp syz-executor
34178 204377 43654 0 3 0x4000080 pipewr syz-executor
34178 371927 43654 0 3 0x4000080 fsleep syz-executor
91639 483299 15340 0 3 0x80 nanoslp syz-executor
91639 310317 15340 0 3 0x4000080 bell syz-executor
91639 154156 15340 0 3 0x4000080 fsleep syz-executor
17372 19811 1 0 3 0x80 nanoslp init
18122 345650 0 0 3 0x14280 nfsidl nfsio
51097 427989 0 0 3 0x14280 nfsidl nfsio
94940 334285 0 0 3 0x14280 nfsidl nfsio
2096 484165 0 0 3 0x14280 nfsidl nfsio
17092 45515 0 0 3 0x14280 nfsidl nfsio
95610 48648 0 0 3 0x14280 nfsidl nfsio
15937 180910 0 0 3 0x14280 nfsidl nfsio
23159 294376 0 0 3 0x14280 nfsidl nfsio
37095 203248 0 0 3 0x14280 nfsidl nfsio
15569 195220 0 0 3 0x14280 nfsidl nfsio
49654 381082 0 0 3 0x14280 nfsidl nfsio
50071 340619 0 0 3 0x14280 nfsidl nfsio
27312 398027 0 0 3 0x14280 nfsidl nfsio
67680 194762 0 0 3 0x14280 nfsidl nfsio
56334 109260 0 0 3 0x14280 nfsidl nfsio
82066 372415 0 0 3 0x14280 nfsidl nfsio
30300 60647 0 0 3 0x14280 nfsidl nfsio
25901 444439 0 0 3 0x14280 nfsidl nfsio
44625 23562 0 0 3 0x14280 nfsidl nfsio
88075 168845 0 0 3 0x14280 nfsidl nfsio
22795 261994 51053 0 3 0x100082 sbwait ndp
51053 313809 2279 0 3 0x10008a sigsusp sh
78331 503212 85997 0 3 0x82 nanoslp syz-executor
62770 27583 85997 0 3 0x82 nanoslp syz-executor
2279 240367 85997 0 3 0x82 wait syz-executor
72549 3034 85997 0 3 0x82 nanoslp syz-executor
31629 352143 85997 0 3 0x82 wait syz-executor
15340 151962 85997 0 3 0x82 nanoslp syz-executor
3822 417855 85997 0 3 0x82 nanoslp syz-executor
43654 291399 85997 0 3 0x82 nanoslp syz-executor
85997 23284 1 0 3 0x82 kqread syz-executor
2422 295584 0 0 3 0x14200 bored smr
5170 381057 0 0 3 0x14200 pgzero zerothread
5235 306664 0 0 3 0x14200 aiodoned aiodoned
78383 430769 0 0 3 0x14200 syncer update
97606 461127 0 0 3 0x14200 cleaner cleaner
84905 76524 0 0 3 0x14200 reaper reaper
59195 177603 0 0 3 0x14200 pgdaemon pagedaemon
93101 264470 0 0 3 0x14200 bored viomb
76674 486452 0 0 3 0x40014200 acpi0 acpi0
23752 127311 0 0 3 0x40014200 idle1
15117 196565 0 0 3 0x14200 bored softnet1
25812 162043 0 0 3 0x14200 bored softnet0
23814 231416 0 0 3 0x14200 bored systqmp
47320 204425 0 0 3 0x14200 bored systq
79958 223003 0 0 3 0x14200 tmoslp softclockmp
47688 92069 0 0 3 0x40014200 tmoslp softclock
90770 515557 0 0 3 0x40014200 idle0
1 174573 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 11948 (syz-executor) thread 0xffff800029933a08 (461408)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff854812c0)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 sysctl_vslock+0x72 sys/kern/kern_sysctl.c:197
#2 kern_sysctl_dirs+0x2d2 sys/kern/kern_sysctl.c:443
#3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
#4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
#5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#6 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff8516b098)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 sysctl_vslock+0x37 sys/kern/kern_sysctl.c:192
#3 kern_sysctl_dirs+0x2d2 sys/kern/kern_sysctl.c:443
#4 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529
#5 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11052 12172K 12470K 166960K 12641 0
pcb 17 24K 24K 166960K 79 0
rtable 240 13K 13K 166960K 354 0
pf 34 22K 24K 166960K 76 0
ifaddr 43 12K 13K 166960K 57 0
ifgroup 55 2K 2K 166960K 86 0
sysctl 2 1K 13K 166960K 12 0
counters 70 42K 43K 166960K 90 0
ioctlops 0 0K 4K 166960K 1590 0
iov 0 0K 16K 166960K 16 0
mount 1 1K 1K 166960K 1 0
log 2 0K 0K 166960K 6 0
vnodes 1366 88K 88K 166960K 1909 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 3 6K 10K 166960K 40 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 30 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 18 69K 97K 166960K 535 0
sigio 0 0K 0K 166960K 5 0
proc 13 30K 177K 166960K 641 0
subproc 72 9K 9K 166960K 73 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
ip_moptions 0 0K 0K 166960K 8 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 17 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 79 546K 546K 166960K 79 0
exec 0 0K 2K 166960K 469 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 156 126K 280K 166960K 6792 0
UVM aobj 131 7K 7K 166960K 132 0
pinsyscall 1045 1861K 1861K 166960K 1703 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 2 0
NDP 12 0K 2K 166960K 38 0
temp 48 9189K 9189K 166960K 7004 0
kqueue 2 8K 60K 166960K 128 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 67 0 66 2 0 2 2 0 8 1
rtentry 176 112 0 1 6 0 6 6 0 8 0
unpcb 144 370 0 362 2 0 2 2 0 8 1
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 47 0 45 1 0 1 1 0 8 0
arp 136 19 0 0 1 0 1 1 0 8 0
inpcb 328 268 0 265 2 0 2 2 0 8 1
nd6 152 24 0 0 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1192 6 0 6 1 0 1 1 0 8 1
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 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
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pftag 88 1 0 0 1 0 1 1 0 8 0
pfqueue 320 1 0 1 1 0 1 1 0 8 1
pfstitem 24 45 0 1 1 0 1 1 0 8 0
pfstkey 128 45 0 1 2 0 2 2 0 8 0
pfstate 448 45 0 1 5 0 5 5 0 8 0
pfrule 1360 23 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 40 454 0 0 5 0 5 5 0 8 0
art_node 32 112 0 11 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 27 0 17 1 0 1 1 0 8 0
shmpl 112 129 0 1 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2353 0 879 93 0 93 93 0 8 0
ffsino 296 2353 0 879 114 0 114 114 0 8 0
nchpl 144 3157 0 1456 64 0 64 64 0 8 0
vnodes 216 2756 0 0 154 0 154 154 0 8 0
namei 1024 10601 0 10601 1 0 1 1 0 8 1
percpumem 16 61 0 10 1 0 1 1 0 8 0
kstatmem 264 47 0 20 3 0 3 3 0 8 1
scxspl 216 10002 0 10002 11 3 8 8 1 8 8
plimitpl 152 91 0 82 1 0 1 1 0 8 0
sigapl 424 876 0 819 8 0 8 8 0 8 0
knotepl 120 136 0 0 5 0 5 5 0 8 0
kqueuepl 224 298 0 294 6 1 5 5 0 8 4
pipepl 344 275 0 247 4 0 4 4 0 8 1
fdescpl 528 840 0 819 3 0 3 3 0 8 0
filepl 160 5224 0 5051 15 1 14 15 0 8 3
lockfpl 104 279 0 279 2 1 1 2 0 8 1
lockfspl 48 132 0 132 1 0 1 1 0 8 1
sessionpl 144 207 0 205 1 0 1 1 0 8 0
pgrppl 48 218 0 208 1 0 1 1 0 8 0
ucredpl 104 1162 0 1157 1 0 1 1 0 8 0
zombiepl 144 821 0 819 1 0 1 1 0 8 0
processpl 1232 876 0 819 6 0 6 6 0 8 0
procpl 664 1570 0 1503 7 0 7 7 0 8 0
sockpl 752 714 0 702 5 0 5 5 0 8 3
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 121 0 0 16 0 16 16 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 22 0 0 3 0 3 3 0 8 0
mextrefs 64 18 0 0 1 0 1 1 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 183 0 0 12 0 12 12 0 8 0
bufpl 272 2952 0 110 190 0 190 190 0 8 0
anonpl 32 5849 0 0 48 0 48 48 0 222 0
amapchunkpl 152 20788 0 20375 24 0 24 24 0 158 7
amappl16 200 2294 0 2268 6 3 3 5 0 8 0
amappl15 192 39 0 39 2 2 0 1 0 8 0
amappl14 184 439 0 438 1 0 1 1 0 8 0
amappl13 176 126 0 125 1 0 1 1 0 8 0
amappl12 168 1088 0 1069 2 0 2 2 0 8 0
amappl11 160 16 0 16 3 2 1 1 0 8 1
amappl10 152 80 0 80 1 0 1 1 0 8 1
amappl9 144 271 0 271 1 1 0 1 0 8 0
amappl8 136 99 0 98 1 0 1 1 0 8 0
amappl7 128 159 0 156 1 0 1 1 0 8 0
amappl6 120 155 0 154 1 0 1 1 0 8 0
amappl5 112 117 0 117 1 0 1 1 0 8 1
amappl4 104 317 0 314 1 0 1 1 0 8 0
amappl3 96 4218 0 4126 4 0 4 4 0 8 0
amappl2 88 560 0 549 2 0 2 2 0 8 0
amappl1 80 12100 0 11978 15 0 15 15 0 8 4
amappl 88 5971 0 5834 5 0 5 5 0 92 0
uvmvnodes 80 115 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 72 131 0 1 3 0 3 3 0 8 0
uaddrrnd 24 840 0 819 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 840 0 819 1 0 1 1 0 8 0
vmmpekpl 168 9131 0 9097 3 0 3 3 0 8 1
vmmpepl 168 61036 0 60117 88 0 88 88 0 357 43
vmsppl 488 839 0 819 5 0 5 5 0 8 0
rwobjpl 80 19463 0 18865 25 0 25 25 0 8 1
pdppl 4096 1689 0 1638 99 46 53 89 0 8 2
pvpl 32 14060 0 0 115 1 114 114 0 265 0
pmappl 256 839 0 819 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 464 0 50 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x19: leave
x86_ipi_db(ffffffff85143ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__asan_load4_noabort(ffffffff854812b8) at __asan_load4_noabort+0x16 kasan_shadow_check sys/kern/subr_kasan.c:972 [inline]
__asan_load4_noabort(ffffffff854812b8) at __asan_load4_noabort+0x16 sys/kern/subr_kasan.c:1098
__mp_lock(ffffffff85480ac0) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff85480ac0) at __mp_lock+0x27a sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x72e44c69ea00, count: 7
ddb{0}> trace
x86_ipi_db(ffffffff85143ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__asan_load4_noabort(ffffffff854812b8) at __asan_load4_noabort+0x16 kasan_shadow_check sys/kern/subr_kasan.c:972 [inline]
__asan_load4_noabort(ffffffff854812b8) at __asan_load4_noabort+0x16 sys/kern/subr_kasan.c:1098
__mp_lock(ffffffff85480ac0) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff85480ac0) at __mp_lock+0x27a sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at X