panic: Caught invalid memory access at ffff800001d98b54 size 4 op 0
Stopped at db_enter+0x17: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
266525 74064 0 0 0 0 syz-executor
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff84635f88) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load4_noabort(ffff800001d98b54) at __asan_load4_noabort+0xa3
igmp_leavegroup(ffff80000016d080,ffff800001cc8800,ffff800039f13f20) at igmp_leavegroup+0x127 sys/netinet/igmp.c:583
in_delmulti(ffff80000016d080) at in_delmulti+0x10f sys/netinet/in.c:963
ip_freemoptions(ffff80000186aa60) at ip_freemoptions+0x9f sys/netinet/ip_output.c:-1
in_pcbdetach(ffff800001d90548) at in_pcbdetach+0x187 sys/netinet/in_pcb.c:605
rip_detach(ffff8000018f65f0) at rip_detach+0x72 sys/netinet/raw_ip.c:509
soclose(ffff8000018f65f0,0) at soclose+0x10a pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000018f65f0,0) at soclose+0x10a sys/kern/uipc_socket.c:403
soo_close(ffff800001d83a60,ffff80003bb46d20) at soo_close+0x72 sys/kern/sys_socket.c:169
fdrop(ffff800001d83a60,ffff80003bb46d20) at fdrop+0x1c3 sys/kern/kern_descrip.c:1281
closef(ffff800001d83a60,ffff80003bb46d20) at closef+0x263 sys/kern/kern_descrip.c:1265
fdfree(ffff80003bb46d20) at fdfree+0x16d sys/kern/kern_descrip.c:1203
exit1(ffff80003bb46d20,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:217
end trace frame: 0xffff800039f143f0, 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: Caught invalid memory access at ffff800001d98b54 size 4 op 0
ddb{1}> show kasan
KASAN: invalid read of 4 bytes at 0xffff800001d98b54 from pc 0xffffffff829dd8d7
KASAN: first bad byte at 0xffff800001d98b54 (+0); shadow 0xfc: malloc use-after-free
KASAN: 0xffff800001d98b54 is 20 bytes inside the 64-byte malloc slot [0xffff800001d98b40..0xffff800001d98b80)
KASAN: allocated at:
#0 malloc+0xda0 sys/kern/kern_malloc.c:446
#1 rti_fill+0x1ba sys/netinet/igmp.c:184
#2 igmp_joingroup+0x1de sys/netinet/igmp.c:563
#3 in_addmulti+0x667 sys/netinet/in.c:927
#4 ip_setmoptions+0x1534 sys/netinet/ip_output.c:1604
#5 sosetopt+0x19e sys/kern/uipc_socket.c:1899
#6 sys_setsockopt+0x4bd sys/kern/uipc_syscalls.c:1226
#7 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#7 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#8 Xsyscall+0x128
KASAN: freed at:
#0 dofree+0x632 sys/kern/kern_malloc.c:630
#1 if_setrdomain+0x2f9 sys/net/if.c:2103
#2 ifioctl+0x25ae sys/net/if.c:-1
#3 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#4 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
KASAN: pc: igmp_leavegroup+0x127
KASAN: call trace:
#0 __asan_load4_noabort+0x82 kasan_shadow_check sys/kern/subr_kasan.c:1014 [inline]
#0 __asan_load4_noabort+0x82 sys/kern/subr_kasan.c:1098
#1 igmp_leavegroup+0x127 sys/netinet/igmp.c:583
#2 in_delmulti+0x10f sys/netinet/in.c:963
#3 ip_freemoptions+0x9f sys/netinet/ip_output.c:-1
#4 in_pcbdetach+0x187 sys/netinet/in_pcb.c:605
#5 rip_detach+0x72 sys/netinet/raw_ip.c:509
#6 soclose+0x10a pru_detach sys/sys/protosw.h:281 [inline]
#6 soclose+0x10a sys/kern/uipc_socket.c:403
#7 soo_close+0x72 sys/kern/sys_socket.c:169
#8 fdrop+0x1c3 sys/kern/kern_descrip.c:1281
#9 closef+0x263 sys/kern/kern_descrip.c:1265
#10 fdfree+0x16d sys/kern/kern_descrip.c:1203
#11 exit1+0x81e sys/kern/kern_exit.c:217
#12 sys_exit+0x4a
#13 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
KASAN: shadow of 0xffff800001d98a00..0xffff800001d98c80 (1 cell = 8 bytes):
0xffff800001d98a00: fc 08 fc fc fc fc fc fc fc 08 fc fc fc fc fc fc
0xffff800001d98a80: fc 08 fc fc fc fc fc fc fc 08 fc fc fc fc fc fc
>0xffff800001d98b00: fc 08 fc fc fc fc fc fc fc 08[fc]fc fc fc fc fc
0xffff800001d98b80: fc 08 fc fc fc fc fc fc 08 08 08 08 fb fc fc fc
0xffff800001d98c00: 08 08 08 08 fb fc fc fc fc 08 fc fc fc fc fc fc
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(ffffffff84635f88) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load4_noabort(ffff800001d98b54) at __asan_load4_noabort+0xa3
igmp_leavegroup(ffff80000016d080,ffff800001cc8800,ffff800039f13f20) at igmp_leavegroup+0x127 sys/netinet/igmp.c:583
in_delmulti(ffff80000016d080) at in_delmulti+0x10f sys/netinet/in.c:963
ip_freemoptions(ffff80000186aa60) at ip_freemoptions+0x9f sys/netinet/ip_output.c:-1
in_pcbdetach(ffff800001d90548) at in_pcbdetach+0x187 sys/netinet/in_pcb.c:605
rip_detach(ffff8000018f65f0) at rip_detach+0x72 sys/netinet/raw_ip.c:509
soclose(ffff8000018f65f0,0) at soclose+0x10a pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000018f65f0,0) at soclose+0x10a sys/kern/uipc_socket.c:403
soo_close(ffff800001d83a60,ffff80003bb46d20) at soo_close+0x72 sys/kern/sys_socket.c:169
fdrop(ffff800001d83a60,ffff80003bb46d20) at fdrop+0x1c3 sys/kern/kern_descrip.c:1281
closef(ffff800001d83a60,ffff80003bb46d20) at closef+0x263 sys/kern/kern_descrip.c:1265
fdfree(ffff80003bb46d20) at fdfree+0x16d sys/kern/kern_descrip.c:1203
exit1(ffff80003bb46d20,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:217
sys_exit(ffff80003bb46d20,ffff800039f14570,ffff800039f144e0) at sys_exit+0x4a
syscall(ffff800039f14570) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800039f14570) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d678f2d93f0, count: -17
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800039f13d10
rbx 0xffff800039f13d80
rdx 0
rcx 0xffff800028ff3ff0
rax 0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xffff800039f13af8
r11 0xffffffff8155f360 x86_bus_space_io_read_1
r12 0xffffffff84635f88 switch.table.pfkeyv2_acquire.11+0x9d2c8
r13 0xffff800028ff4c08
r14 0xffff800028ff4e07
r15 0x1
rip 0xffffffff83abf557 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff800039f13d10
ss 0x10
db_enter+0x17: popq %rbp
ddb{1}> show proc
PROC (syz-executor) tid=151636 pid=62618 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80003bb46d20 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff800045ff42b8,0xffff800045ff5258
process=0xffff80002b2d5368 user=0xffff800039f09000, vmspace=0xffff800001c93b90
estcpu=36, cpticks=37, pctcpu=0.0, user=0, sys=28, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
86094 504800 14224 0 3 0x1000 0x2000 suspend syz-executor
86094 183210 14224 0 2 0x1000 0x4080000 syz-executor
86094 411319 14224 0 2 0x1000 0x4080000 syz-executor
86094 412290 14224 0 2 0x1000 0x4080000 syz-executor
86094 49657 14224 0 2 0x1000 0x4080000 syz-executor
74064 266525 84245 0 7 0 0 syz-executor
74064 20111 84245 0 3 0 0x4000080 kqread syz-executor
74064 183091 84245 0 2 0 0x4000000 syz-executor
90962 474428 44907 0 2 0 0 syz-executor
90962 237461 44907 0 2 0 0x4000000 syz-executor
90962 138006 44907 0 2 0 0x4000000 syz-executor
42414 241280 1 0 3 0x2 0x80 nanoslp getty
85123 303868 23556 0 2 0 0 syz-executor
85123 466615 23556 0 3 0 0x4000080 fsleep syz-executor
85123 472156 23556 0 3 0 0x4000080 fsleep syz-executor
56526 222050 0 0 3 0x14000 0x200 acct acct
46315 419133 0 0 3 0x14000 0x280 nfsidl nfsio
1755 92724 0 0 3 0x14000 0x280 nfsidl nfsio
34945 250833 0 0 3 0x14000 0x280 nfsidl nfsio
13285 97048 0 0 3 0x14000 0x280 nfsidl nfsio
9457 19014 0 0 3 0x14000 0x280 nfsidl nfsio
22963 465848 0 0 3 0x14000 0x280 nfsidl nfsio
33928 312504 0 0 3 0x14000 0x280 nfsidl nfsio
13909 484383 0 0 3 0x14000 0x280 nfsidl nfsio
39429 329100 0 0 3 0x14000 0x280 nfsidl nfsio
92994 258233 0 0 3 0x14000 0x280 nfsidl nfsio
13351 318285 0 0 3 0x14000 0x280 nfsidl nfsio
9158 69421 0 0 3 0x14000 0x280 nfsidl nfsio
61917 84006 0 0 3 0x14000 0x280 nfsidl nfsio
11023 307220 0 0 3 0x14000 0x280 nfsidl nfsio
99502 508471 0 0 3 0x14000 0x280 nfsidl nfsio
26717 72851 0 0 3 0x14000 0x280 nfsidl nfsio
75125 367791 0 0 3 0x14000 0x280 nfsidl nfsio
17550 326538 0 0 3 0x14000 0x280 nfsidl nfsio
80816 459622 0 0 3 0x14000 0x280 nfsidl nfsio
27328 84676 0 0 3 0x14000 0x280 nfsidl nfsio
84245 157719 14192 0 3 0x2 0x80 nanoslp syz-executor
46540 198849 17325 0 3 0x100002 0x80 sbwait arp
17325 429117 12236 0 3 0x100002 0x88 sigsusp sh
23556 916 14192 0 3 0x2 0x80 nanoslp syz-executor
55736 190914 14192 0 3 0x2 0x80 wait syz-executor
42490 347542 14192 0 3 0x2 0x80 nanoslp syz-executor
95236 282273 14192 0 3 0x2 0x80 piperd syz-executor
12236 140214 14192 0 3 0x2 0x80 wait syz-executor
14224 153666 14192 0 3 0x2 0x80 nanoslp syz-executor
44907 67281 14192 0 2 0x2 0 syz-executor
14192 517610 1 0 2 0x2 0 syz-executor
87315 436403 0 0 3 0x14000 0x200 bored smr
89844 363221 0 0 2 0x14000 0x200 zerothread
86205 215209 0 0 3 0x14000 0x200 aiodoned aiodoned
30461 332582 0 0 3 0x14000 0x200 syncer update
4003 446445 0 0 3 0x14000 0x200 cleaner cleaner
54584 452438 0 0 3 0x14000 0x200 reaper reaper
92399 512954 0 0 3 0x14000 0x200 pgdaemon pagedaemon
85977 321751 0 0 3 0x14000 0x200 bored viomb
42654 522374 0 0 3 0x14000 0x40000200 acpi0 acpi0
20290 28717 0 0 3 0x14000 0x40000200 idle1
43012 12371 0 0 3 0x14000 0x200 bored softnet1
76179 438778 0 0 3 0x14000 0x200 bored softnet0
37141 256838 0 0 3 0x14000 0x200 smrbar systqmp
26912 401246 0 0 3 0x14000 0x200 bored systq
28226 9752 0 0 3 0x14000 0x200 tmoslp softclockmp
37586 51288 0 0 3 0x14000 0x40000200 tmoslp softclock
14709 180515 0 0 3 0x14000 0x40000200 idle0
1 153555 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{1}> show all locks
Process 37141 (systqmp) thread 0xffff800045ffe000 (256838)
shared rwlock systqmp r = 0 (0xffffffff84f660b8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x1ba sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11054 12170K 12470K 166960K 12242 0
pcb 17 28K 30K 166960K 46 0
rtable 209 19K 20K 166960K 383 0
pf 37 23K 25K 166960K 56 0
ifaddr 41 11K 12K 166960K 52 0
ifgroup 59 2K 2K 166960K 69 0
sysctl 1 1K 13K 166960K 5 0
counters 72 43K 43K 166960K 78 0
ioctlops 0 0K 4K 166960K 1501 0
iov 0 0K 16K 166960K 9 0
mount 1 1K 1K 166960K 1 0
log 1 0K 0K 166960K 5 0
vnodes 1325 85K 85K 166960K 1480 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 2 2K 6K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 5 0K 1K 166960K 8 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 17 65K 97K 166960K 261 0
sigio 0 0K 0K 166960K 4 0
proc 19 46K 161K 166960K 597 0
subproc 72 9K 9K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
ip_moptions 2 0K 0K 166960K 8 0
in_multi 79 5K 6K 166960K 101 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 10 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 55 384K 384K 166960K 55 0
exec 0 0K 2K 166960K 429 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 14 124K 124K 166960K 15 0
UVM amap 132 132K 245K 166960K 4381 0
UVM aobj 7 4K 8K 166960K 8 0
pinsyscall 1045 1733K 1772K 166960K 1438 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 13 0K 1K 166960K 32 0
temp 38 9162K 9182K 166960K 7969 0
kqueue 2 8K 52K 166960K 48 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 35 0 34 1 0 1 1 0 8 0
rtentry 176 118 0 25 5 0 5 5 0 8 0
unpcb 144 170 0 170 4 0 4 4 0 8 4
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 16 0 15 1 0 1 1 0 8 0
arp 136 20 0 4 1 0 1 1 0 8 0
inpcb 328 225 0 222 7 0 7 7 0 8 5
nd6 152 27 0 8 1 0 1 1 0 8 0
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1192 1 0 1 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
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 15 0 0 1 0 1 1 0 8 0
pfstkey 128 15 0 0 1 0 1 1 0 8 0
pfstate 448 15 0 0 2 0 2 2 0 8 0
pfrule 1360 24 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 462 0 44 27 0 27 27 0 8 0
art_table 40 463 0 44 5 0 5 5 0 8 0
art_node 32 118 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0
semapl 72 4 0 1 1 0 1 1 0 8 0
shmpl 112 5 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1771 0 300 93 0 93 93 0 8 0
ffsino 296 1771 0 300 114 0 114 114 0 8 0
nchpl 144 2136 0 428 64 0 64 64 0 8 0
vnodes 216 1950 0 0 109 0 109 109 0 8 0
namei 1024 7111 0 7111 1 0 1 1 0 8 1
percpumem 16 55 0 3 1 0 1 1 0 8 0
kstatmem 264 37 0 6 3 0 3 3 0 8 0
scxspl 216 7589 0 7589 4 3 1 3 1 8 1
plimitpl 152 105 0 95 1 0 1 1 0 8 0
sigapl 424 598 0 541 8 0 8 8 0 8 0
knotepl 120 95 0 0 3 0 3 3 0 8 0
kqueuepl 224 131 0 128 5 0 5 5 0 8 4
pipepl 344 142 0 115 3 0 3 3 0 8 0
fdescpl 528 561 0 541 3 0 3 3 0 8 0
filepl 160 2654 0 2490 15 0 15 15 0 8 3
lockfpl 104 157 0 154 1 0 1 1 0 8 0
lockfspl 48 30 0 27 1 0 1 1 0 8 0
sessionpl 144 31 0 29 1 0 1 1 0 8 0
pgrppl 48 40 0 30 1 0 1 1 0 8 0
ucredpl 104 240 0 236 1 0 1 1 0 8 0
zombiepl 144 543 0 541 1 0 1 1 0 8 0
processpl 1232 598 0 541 6 0 6 6 0 8 0
procpl 664 810 0 743 7 0 7 7 0 8 0
sosppl 176 2 0 2 1 0 1 1 0 8 1
sockpl 752 432 0 428 13 4 9 13 0 8 8
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 134 0 0 17 0 17 17 0 8 0
mcl2k 2048 25 0 0 4 0 4 4 0 8 0
mextrefs 64 27 0 0 1 0 1 1 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 269 0 0 17 0 17 17 0 8 0
bufpl 272 2556 0 109 164 0 164 164 0 8 0
anonpl 32 4540 0 0 37 0 37 37 0 222 0
amapchunkpl 152 12436 0 12102 23 0 23 23 0 158 4
amappl16 200 2055 0 2038 6 3 3 5 0 8 0
amappl15 192 5 0 5 2 2 0 1 0 8 0
amappl14 184 439 0 438 1 0 1 1 0 8 0
amappl13 176 131 0 129 1 0 1 1 0 8 0
amappl12 168 816 0 797 2 0 2 2 0 8 0
amappl11 160 9 0 9 3 2 1 1 0 8 1
amappl10 152 84 0 84 1 0 1 1 0 8 1
amappl9 144 274 0 273 1 0 1 1 0 8 0
amappl8 136 124 0 124 1 0 1 1 0 8 1
amappl7 128 163 0 160 1 0 1 1 0 8 0
amappl6 120 161 0 160 1 0 1 1 0 8 0
amappl5 112 107 0 106 1 0 1 1 0 8 0
amappl4 104 295 0 291 1 0 1 1 0 8 0
amappl3 96 2286 0 2208 4 0 4 4 0 8 1
amappl2 88 546 0 536 2 0 2 2 0 8 0
amappl1 80 10987 0 10840 16 0 16 16 0 8 6
amappl 88 3627 0 3514 5 0 5 5 0 92 0
uvmvnodes 80 104 0 0 3 0 3 3 0 8 0
dma4096 4096 2 0 2 2 1 1 1 0 8 1
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 7 0 1 1 0 1 1 0 8 0
uaddrrnd 24 561 0 541 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 561 0 541 1 0 1 1 0 8 0
vmmpekpl 168 6727 0 6690 2 0 2 2 0 8 0
vmmpepl 168 45140 0 44257 90 0 90 90 0 357 44
vmsppl 488 560 0 541 5 0 5 5 0 8 0
rwobjpl 80 16174 0 15716 25 0 25 25 0 8 1
pdppl 4096 1131 0 1082 99 24 75 89 0 8 26
pvpl 32 12257 0 0 99 0 99 99 0 265 0
pmappl 256 560 0 541 3 0 3 3 0 8 0
extentpl 40 47 0 29 1 0 1 1 0 8 0
phpool 120 440 0 28 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x19: leave
x86_ipi_db(ffffffff85066ff0) 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
__mp_lock(ffffffff854fd3c0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff854fd3c0) at __mp_lock+0x272 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: 0x7c1816818ff0, count: 8
ddb{0}> trace
x86_ipi_db(ffffffff85066ff0) 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
__mp_lock(ffffffff854fd3c0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff854fd3c0) at __mp_lock+0x272 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: 0x7c1816818ff0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x17: popq %rbp
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff84635f88) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load4_noabort(ffff800001d98b54) at __asan_load4_noabort+0xa3
igmp_leavegroup(ffff80000016d080,ffff800001cc8800,ffff800039f13f20) at igmp_leavegroup+0x127 sys/netinet/igmp.c:583
in_delmulti(ffff80000016d080) at in_delmulti+0x10f sys/netinet/in.c:963
ip_freemoptions(ffff80000186aa60) at ip_freemoptions+0x9f sys/netinet/ip_output.c:-1
in_pcbdetach(ffff800001d90548) at in_pcbdetach+0x187 sys/netinet/in_pcb.c:605
rip_detach(ffff8000018f65f0) at rip_detach+0x72 sys/netinet/raw_ip.c:509
soclose(ffff8000018f65f0,0) at soclose+0x10a pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000018f65f0,0) at soclose+0x10a sys/kern/uipc_socket.c:403
soo_close(ffff800001d83a60,ffff80003bb46d20) at soo_close+0x72 sys/kern/sys_socket.c:169
fdrop(ffff800001d83a60,ffff80003bb46d20) at fdrop+0x1c3 sys/kern/kern_descrip.c:1281
closef(ffff800001d83a60,ffff80003bb46d20) at closef+0x263 sys/kern/kern_descrip.c:1265
fdfree(ffff80003bb46d20) at fdfree+0x16d sys/kern/kern_descrip.c:1203
exit1(ffff80003bb46d20,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:217
end trace frame: 0xffff800039f143f0, count: 0
ddb{1}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff84635f88) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load4_noabort(ffff800001d98b54) at __asan_load4_noabort+0xa3
igmp_leavegroup(ffff80000016d080,ffff800001cc8800,ffff800039f13f20) at igmp_leavegroup+0x127 sys/netinet/igmp.c:583
in_delmulti(ffff80000016d080) at in_delmulti+0x10f sys/netinet/in.c:963
ip_freemoptions(ffff80000186aa60) at ip_freemoptions+0x9f sys/netinet/ip_output.c:-1
in_pcbdetach(ffff800001d90548) at in_pcbdetach+0x187 sys/netinet/in_pcb.c:605
rip_detach(ffff8000018f65f0) at rip_detach+0x72 sys/netinet/raw_ip.c:509
soclose(ffff8000018f65f0,0) at soclose+0x10a pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000018f65f0,0) at soclose+0x10a sys/kern/uipc_socket.c:403
soo_close(ffff800001d83a60,ffff80003bb46d20) at soo_close+0x72 sys/kern/sys_socket.c:169
fdrop(ffff800001d83a60,ffff80003bb46d20) at fdrop+0x1c3 sys/kern/kern_descrip.c:1281
closef(ffff800001d83a60,ffff80003bb46d20) at closef+0x263 sys/kern/kern_descrip.c:1265
fdfree(ffff80003bb46d20) at fdfree+0x16d sys/kern/kern_descrip.c:1203
exit1(ffff80003bb46d20,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:217
sys_exit(ffff80003bb46d20,ffff800039f14570,ffff800039f144e0) at sys_exit+0x4a
syscall(ffff800039f14570) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800039f14570) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d678f2d93f0, count: -17
ddb{1}>