panic: ip6_getpcbopt: unexpected option
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syzbot
Jun 23, 2026, 5:03:33 PM (9 days ago) Jun 23
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 26c6eebc6662 Remove global variable from multicast routing.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13c0650e580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=7788d13ea3345629ceae
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f7d51f042cb5/disk-26c6eebc.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/342680d7cd4b/bsd-26c6eebc.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5d9f800fe037/kernel-26c6eebc.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7788d1...@syzkaller.appspotmail.com
panic: ip6_getpcbopt: unexpected option
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*102886 2609 32767 0x10 0x4000000 1 syz-executor
471736 97653 0 0x14000 0x200 0 reaper
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: 7
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: ip6_getpcbopt: unexpected option
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: -8
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c3d1ec0
rbx 0xffff80002998ee07
rdx 0xffff8000015df380
rcx 0xffff807ffffe6550
rax 0xffff80002998dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xcc0ea1be515b470f
r11 0xa78328e19d1e17e9
r12 0xffff80002998ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff824b12a5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c3d1eb0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=102886 pid=2609 tcnt=2 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=0xffff807ffffe62b8,0xffff807ffffe5790
process=0xffff807ffffe0e90 user=0xffff80003c3cd000, vmspace=0xfffffb8068aa5028
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2609 395661 96310 32767 2 0x10 syz-executor
* 2609 102886 96310 32767 7 0x4000010 syz-executor
92324 500324 20145 32767 2 0x10 syz-executor
92324 59821 20145 32767 3 0x4000090 fsleep syz-executor
24642 89587 62606 32767 2 0x10 syz-executor
24642 399410 62606 32767 3 0x4000090 fsleep syz-executor
25248 333850 72157 32767 2 0x10 syz-executor
25248 66449 72157 32767 3 0x4000090 kqpoll syz-executor
28186 390980 17428 32767 2 0x10 syz-executor
28186 271232 17428 32767 2 0x4000010 syz-executor
28186 352969 17428 32767 2 0x4000010 syz-executor
62606 402741 39230 32767 3 0x90 nanoslp syz-executor
72157 286256 78105 32767 3 0x90 nanoslp syz-executor
21350 255698 28719 32767 3 0x10 getblk syz-executor
96310 474295 91555 32767 2 0xc90 syz-executor
63269 352116 1090 32767 3 0x90 nanoslp syz-executor
18363 3297 84645 32767 3 0x10 biowait syz-executor
20145 501619 4606 32767 3 0x90 nanoslp syz-executor
17428 7770 19323 32767 3 0x90 nanoslp syz-executor
28719 53607 89192 0 3 0x82 wait syz-executor
78105 228014 89192 0 3 0x82 wait syz-executor
39230 193782 89192 0 3 0x82 wait syz-executor
91555 386680 89192 0 3 0x82 wait syz-executor
84645 196978 89192 0 3 0x82 wait syz-executor
1090 413288 89192 0 3 0x82 wait syz-executor
4606 195212 89192 0 3 0x82 wait syz-executor
19323 239938 89192 0 3 0x82 wait syz-executor
89192 181157 63483 0 2 0x82 syz-executor
63483 326350 38136 0 3 0x10008a sigsusp ksh
38136 245024 66481 0 3 0x98 kqread sshd-session
66481 481281 55097 0 3 0x92 kqread sshd-session
45546 381278 1 0 3 0x100083 ttyin getty
55097 395262 1 0 3 0x88 kqread sshd
43655 195493 97259 73 3 0x1100090 kqread syslogd
97259 114082 1 0 3 0x100082 sbwait syslogd
6735 443501 1 0 3 0x100080 kqread resolvd
39431 191337 67420 77 3 0x100092 kqread dhcpleased
46462 235269 67420 77 3 0x100092 kqread dhcpleased
67420 332604 1 0 3 0x80 kqread dhcpleased
91878 145260 0 0 3 0x14200 bored smr
21414 3644 0 0 2 0x14200 zerothread
76865 225808 0 0 3 0x14200 aiodoned aiodoned
65886 75218 0 0 3 0x14200 syncer update
88654 225338 0 0 3 0x14200 cleaner cleaner
97653 471736 0 0 7 0x14200 reaper
27033 332823 0 0 3 0x14200 pgdaemon pagedaemon
50902 114622 0 0 3 0x14200 bored viomb
40859 217579 0 0 3 0x40014200 acpi0 acpi0
20886 313119 0 0 3 0x40014200 idle1
55095 286963 0 0 3 0x14200 bored softnet1
622 416264 0 0 3 0x14200 bored softnet0
93167 66594 0 0 3 0x14200 bored systqmp
33815 204479 0 0 3 0x14200 bored systq
9463 506498 0 0 3 0x14200 tmoslp softclockmp
11254 522102 0 0 3 0x40014200 tmoslp softclock
90799 341037 0 0 3 0x40014200 idle0
1 495438 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83a4f280)
#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 uvm_pageclean+0x29c sys/uvm/uvm_page.c:937
#3 uvm_pagefree+0x26 sys/uvm/uvm_page.c:977
#4 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112
#5 amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1
#6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359
#7 uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2536
#8 exit1+0x6fc sys/kern/kern_exit.c:260
#9 sys_exit+0x1a sys/kern/kern_exit.c:-1
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
Process 2609 (syz-executor) thread 0xffff807ffffe6550 (102886)
exclusive rwlock netlock r = 0 (0xffffffff839554d0)
#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 sogetopt+0x105 sys/kern/uipc_socket.c:2074
#3 sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
Process 21350 (syz-executor) thread 0xffff807ffffe7248 (255698)
exclusive rrwlock inode r = 0 (0xfffffb8068942310)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vget+0x2a2 sys/kern/vfs_subr.c:686
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
#11 namei+0x7c5 sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffb806b2451e0)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6 namei+0x7c5 sys/kern/vfs_lookup.c:250
#7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 18363 (syz-executor) thread 0xffff807ffffee7e0 (3297)
exclusive rrwlock inode r = 0 (0xfffffb8068942c50)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffb806ad817a0)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6 namei+0x7c5 sys/kern/vfs_lookup.c:250
#7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11047 12018K 12034K 166960K 12138 0
pcb 17 12K 12K 166960K 17 0
rtable 245 7K 7K 166960K 401 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 9K 166960K 8 0
counters 70 37K 37K 166960K 70 0
ioctlops 0 0K 2K 166960K 35 0
iov 0 0K 16K 166960K 28 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1287 81K 81K 166960K 1355 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 11 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 45 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 23 85K 125K 166960K 2295 0
proc 58 99K 147K 166960K 555 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 0 0K 0K 166960K 69 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 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 43 201K 201K 166960K 43 0
exec 0 0K 1K 166960K 378 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 231 183K 199K 166960K 20431 0
UVM aobj 16 2K 2K 166960K 16 0
pinsyscall 44 88K 114K 166960K 3395 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 23 0
NDP 11 0K 2K 166960K 27 0
temp 59 9124K 9132K 166960K 7559 0
kqueue 13 20K 24K 166960K 80 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 128 0 125 1 0 1 1 0 8 0
rtentry 176 115 0 1 6 0 6 6 0 8 0
unpcb 144 296 0 281 1 0 1 1 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 365 0 360 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
ipq 40 21 0 7 1 0 1 1 0 8 0
ipqe 40 41 0 26 1 0 1 1 0 8 0
inpcb 328 697 0 689 1 0 1 1 0 8 0
ip6q 72 10 0 1 1 0 1 1 0 8 0
ip6af 40 18 0 5 1 0 1 1 0 8 0
nd6 152 28 0 0 2 0 2 2 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 256 481 0 0 31 0 31 31 0 8 0
art_table 40 482 0 0 5 0 5 5 0 8 0
art_node 32 115 0 11 1 0 1 1 0 8 0
sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 41 0 31 1 0 1 1 0 8 0
shmpl 112 13 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3930 0 2469 92 0 92 92 0 8 0
ffsino 296 3930 0 2469 113 0 113 113 0 8 0
nchpl 144 6489 0 4804 63 0 63 63 0 8 0
vnodes 216 4011 0 0 223 0 223 223 0 8 0
namei 1024 15316 0 15315 2 1 1 2 0 8 0
percpumem 16 50 0 0 1 0 1 1 0 8 0
kstatmem 264 25 0 0 2 0 2 2 0 8 0
scxspl 216 20135 0 20134 10 8 2 7 1 8 1
plimitpl 152 53 0 29 2 0 2 2 0 8 1
sigapl 424 2593 0 2541 7 0 7 7 0 8 0
knotepl 120 315 0 0 10 0 10 10 0 8 0
kqueuepl 224 116 0 106 1 0 1 1 0 8 0
pipepl 344 159 0 132 3 0 3 3 0 8 0
fdescpl 528 2577 0 2542 4 0 4 4 0 8 1
filepl 160 5229 0 5023 9 0 9 9 0 8 0
lockfpl 104 107 0 105 1 0 1 1 0 8 0
lockfspl 48 50 0 48 1 0 1 1 0 8 0
sessionpl 144 25 0 9 1 0 1 1 0 8 0
pgrppl 48 40 0 16 1 0 1 1 0 8 0
ucredpl 104 398 0 379 1 0 1 1 0 8 0
zombiepl 144 2542 0 2541 1 0 1 1 0 8 0
processpl 1232 2593 0 2541 5 0 5 5 0 8 0
procpl 664 4858 0 4800 6 0 6 6 0 8 0
sockpl 752 1121 0 1095 4 0 4 4 0 8 1
mcl64k 65536 12 0 0 2 0 2 2 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k128 9344 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 20 0 0 3 0 3 3 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
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 283 0 0 18 0 18 18 0 8 0
bufpl 272 4425 0 102 289 0 289 289 0 8 0
anonpl 32 5287 0 0 43 0 43 43 0 115 0
amapchunkpl 152 67054 0 66589 34 0 34 34 0 158 12
amappl16 200 3097 0 3077 5 3 2 5 0 8 0
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 431 0 430 1 0 1 1 0 8 0
amappl13 176 113 0 103 1 0 1 1 0 8 0
amappl12 168 2818 0 2784 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 73 0 63 1 0 1 1 0 8 0
amappl9 144 269 0 269 1 1 0 1 0 8 0
amappl8 136 95 0 94 1 0 1 1 0 8 0
amappl7 128 145 0 133 1 0 1 1 0 8 0
amappl6 120 158 0 157 1 0 1 1 0 8 0
amappl5 112 99 0 92 1 0 1 1 0 8 0
amappl4 104 270 0 256 1 0 1 1 0 8 0
amappl3 96 14821 0 14711 5 1 4 4 0 8 0
amappl2 88 520 0 470 2 0 2 2 0 8 0
amappl1 80 17753 0 17186 15 1 14 15 0 8 0
amappl 88 19606 0 19440 5 0 5 5 0 92 0
uvmvnodes 80 100 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 15 0 0 1 0 1 1 0 8 0
uaddrrnd 24 2577 0 2542 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2577 0 2542 1 0 1 1 0 8 0
vmmpekpl 168 17079 0 17049 2 0 2 2 0 8 0
vmmpepl 168 151228 0 149312 96 4 92 95 0 357 1
vmsppl 488 2576 0 2542 7 1 6 6 0 8 1
rwobjpl 80 33960 0 33040 23 2 21 23 0 8 0
pdppl 4096 5161 0 5084 111 28 83 97 0 8 6
pvpl 32 12419 0 0 101 0 101 101 0 265 0
pmappl 256 2576 0 2542 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 583 0 33 16 0 16 16 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff838faff0) 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(ffffffff83a4af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a4af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff807fffffdc90) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: 10
ddb{0}> trace
x86_ipi_db(ffffffff838faff0) 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(ffffffff83a4af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a4af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff807fffffdc90) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: -5
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(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: 7
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: -8
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 26c6eebc6662 Remove global variable from multicast routing.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13c0650e580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=7788d13ea3345629ceae
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f7d51f042cb5/disk-26c6eebc.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/342680d7cd4b/bsd-26c6eebc.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5d9f800fe037/kernel-26c6eebc.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7788d1...@syzkaller.appspotmail.com
panic: ip6_getpcbopt: unexpected option
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*102886 2609 32767 0x10 0x4000000 1 syz-executor
471736 97653 0 0x14000 0x200 0 reaper
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: 7
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: ip6_getpcbopt: unexpected option
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: -8
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c3d1ec0
rbx 0xffff80002998ee07
rdx 0xffff8000015df380
rcx 0xffff807ffffe6550
rax 0xffff80002998dff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xcc0ea1be515b470f
r11 0xa78328e19d1e17e9
r12 0xffff80002998ec08
r13 0
r14 0
r15 0x1
rip 0xffffffff824b12a5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c3d1eb0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=102886 pid=2609 tcnt=2 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=0xffff807ffffe62b8,0xffff807ffffe5790
process=0xffff807ffffe0e90 user=0xffff80003c3cd000, vmspace=0xfffffb8068aa5028
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2609 395661 96310 32767 2 0x10 syz-executor
* 2609 102886 96310 32767 7 0x4000010 syz-executor
92324 500324 20145 32767 2 0x10 syz-executor
92324 59821 20145 32767 3 0x4000090 fsleep syz-executor
24642 89587 62606 32767 2 0x10 syz-executor
24642 399410 62606 32767 3 0x4000090 fsleep syz-executor
25248 333850 72157 32767 2 0x10 syz-executor
25248 66449 72157 32767 3 0x4000090 kqpoll syz-executor
28186 390980 17428 32767 2 0x10 syz-executor
28186 271232 17428 32767 2 0x4000010 syz-executor
28186 352969 17428 32767 2 0x4000010 syz-executor
62606 402741 39230 32767 3 0x90 nanoslp syz-executor
72157 286256 78105 32767 3 0x90 nanoslp syz-executor
21350 255698 28719 32767 3 0x10 getblk syz-executor
96310 474295 91555 32767 2 0xc90 syz-executor
63269 352116 1090 32767 3 0x90 nanoslp syz-executor
18363 3297 84645 32767 3 0x10 biowait syz-executor
20145 501619 4606 32767 3 0x90 nanoslp syz-executor
17428 7770 19323 32767 3 0x90 nanoslp syz-executor
28719 53607 89192 0 3 0x82 wait syz-executor
78105 228014 89192 0 3 0x82 wait syz-executor
39230 193782 89192 0 3 0x82 wait syz-executor
91555 386680 89192 0 3 0x82 wait syz-executor
84645 196978 89192 0 3 0x82 wait syz-executor
1090 413288 89192 0 3 0x82 wait syz-executor
4606 195212 89192 0 3 0x82 wait syz-executor
19323 239938 89192 0 3 0x82 wait syz-executor
89192 181157 63483 0 2 0x82 syz-executor
63483 326350 38136 0 3 0x10008a sigsusp ksh
38136 245024 66481 0 3 0x98 kqread sshd-session
66481 481281 55097 0 3 0x92 kqread sshd-session
45546 381278 1 0 3 0x100083 ttyin getty
55097 395262 1 0 3 0x88 kqread sshd
43655 195493 97259 73 3 0x1100090 kqread syslogd
97259 114082 1 0 3 0x100082 sbwait syslogd
6735 443501 1 0 3 0x100080 kqread resolvd
39431 191337 67420 77 3 0x100092 kqread dhcpleased
46462 235269 67420 77 3 0x100092 kqread dhcpleased
67420 332604 1 0 3 0x80 kqread dhcpleased
91878 145260 0 0 3 0x14200 bored smr
21414 3644 0 0 2 0x14200 zerothread
76865 225808 0 0 3 0x14200 aiodoned aiodoned
65886 75218 0 0 3 0x14200 syncer update
88654 225338 0 0 3 0x14200 cleaner cleaner
97653 471736 0 0 7 0x14200 reaper
27033 332823 0 0 3 0x14200 pgdaemon pagedaemon
50902 114622 0 0 3 0x14200 bored viomb
40859 217579 0 0 3 0x40014200 acpi0 acpi0
20886 313119 0 0 3 0x40014200 idle1
55095 286963 0 0 3 0x14200 bored softnet1
622 416264 0 0 3 0x14200 bored softnet0
93167 66594 0 0 3 0x14200 bored systqmp
33815 204479 0 0 3 0x14200 bored systq
9463 506498 0 0 3 0x14200 tmoslp softclockmp
11254 522102 0 0 3 0x40014200 tmoslp softclock
90799 341037 0 0 3 0x40014200 idle0
1 495438 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83a4f280)
#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 uvm_pageclean+0x29c sys/uvm/uvm_page.c:937
#3 uvm_pagefree+0x26 sys/uvm/uvm_page.c:977
#4 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112
#5 amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1
#6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359
#7 uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2536
#8 exit1+0x6fc sys/kern/kern_exit.c:260
#9 sys_exit+0x1a sys/kern/kern_exit.c:-1
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
Process 2609 (syz-executor) thread 0xffff807ffffe6550 (102886)
exclusive rwlock netlock r = 0 (0xffffffff839554d0)
#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 sogetopt+0x105 sys/kern/uipc_socket.c:2074
#3 sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
#4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
Process 21350 (syz-executor) thread 0xffff807ffffe7248 (255698)
exclusive rrwlock inode r = 0 (0xfffffb8068942310)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vget+0x2a2 sys/kern/vfs_subr.c:686
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
#11 namei+0x7c5 sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffb806b2451e0)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6 namei+0x7c5 sys/kern/vfs_lookup.c:250
#7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
Process 18363 (syz-executor) thread 0xffff807ffffee7e0 (3297)
exclusive rrwlock inode r = 0 (0xfffffb8068942c50)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
#8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
#9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3062
#10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffb806ad817a0)
#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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431
#6 namei+0x7c5 sys/kern/vfs_lookup.c:250
#7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047
#8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11047 12018K 12034K 166960K 12138 0
pcb 17 12K 12K 166960K 17 0
rtable 245 7K 7K 166960K 401 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 9K 166960K 8 0
counters 70 37K 37K 166960K 70 0
ioctlops 0 0K 2K 166960K 35 0
iov 0 0K 16K 166960K 28 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1287 81K 81K 166960K 1355 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 11 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 45 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 23 85K 125K 166960K 2295 0
proc 58 99K 147K 166960K 555 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 0 0K 0K 166960K 69 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 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 43 201K 201K 166960K 43 0
exec 0 0K 1K 166960K 378 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 231 183K 199K 166960K 20431 0
UVM aobj 16 2K 2K 166960K 16 0
pinsyscall 44 88K 114K 166960K 3395 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 23 0
NDP 11 0K 2K 166960K 27 0
temp 59 9124K 9132K 166960K 7559 0
kqueue 13 20K 24K 166960K 80 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 128 0 125 1 0 1 1 0 8 0
rtentry 176 115 0 1 6 0 6 6 0 8 0
unpcb 144 296 0 281 1 0 1 1 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 365 0 360 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
ipq 40 21 0 7 1 0 1 1 0 8 0
ipqe 40 41 0 26 1 0 1 1 0 8 0
inpcb 328 697 0 689 1 0 1 1 0 8 0
ip6q 72 10 0 1 1 0 1 1 0 8 0
ip6af 40 18 0 5 1 0 1 1 0 8 0
nd6 152 28 0 0 2 0 2 2 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 256 481 0 0 31 0 31 31 0 8 0
art_table 40 482 0 0 5 0 5 5 0 8 0
art_node 32 115 0 11 1 0 1 1 0 8 0
sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 72 41 0 31 1 0 1 1 0 8 0
shmpl 112 13 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3930 0 2469 92 0 92 92 0 8 0
ffsino 296 3930 0 2469 113 0 113 113 0 8 0
nchpl 144 6489 0 4804 63 0 63 63 0 8 0
vnodes 216 4011 0 0 223 0 223 223 0 8 0
namei 1024 15316 0 15315 2 1 1 2 0 8 0
percpumem 16 50 0 0 1 0 1 1 0 8 0
kstatmem 264 25 0 0 2 0 2 2 0 8 0
scxspl 216 20135 0 20134 10 8 2 7 1 8 1
plimitpl 152 53 0 29 2 0 2 2 0 8 1
sigapl 424 2593 0 2541 7 0 7 7 0 8 0
knotepl 120 315 0 0 10 0 10 10 0 8 0
kqueuepl 224 116 0 106 1 0 1 1 0 8 0
pipepl 344 159 0 132 3 0 3 3 0 8 0
fdescpl 528 2577 0 2542 4 0 4 4 0 8 1
filepl 160 5229 0 5023 9 0 9 9 0 8 0
lockfpl 104 107 0 105 1 0 1 1 0 8 0
lockfspl 48 50 0 48 1 0 1 1 0 8 0
sessionpl 144 25 0 9 1 0 1 1 0 8 0
pgrppl 48 40 0 16 1 0 1 1 0 8 0
ucredpl 104 398 0 379 1 0 1 1 0 8 0
zombiepl 144 2542 0 2541 1 0 1 1 0 8 0
processpl 1232 2593 0 2541 5 0 5 5 0 8 0
procpl 664 4858 0 4800 6 0 6 6 0 8 0
sockpl 752 1121 0 1095 4 0 4 4 0 8 1
mcl64k 65536 12 0 0 2 0 2 2 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k128 9344 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 20 0 0 3 0 3 3 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
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 283 0 0 18 0 18 18 0 8 0
bufpl 272 4425 0 102 289 0 289 289 0 8 0
anonpl 32 5287 0 0 43 0 43 43 0 115 0
amapchunkpl 152 67054 0 66589 34 0 34 34 0 158 12
amappl16 200 3097 0 3077 5 3 2 5 0 8 0
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 431 0 430 1 0 1 1 0 8 0
amappl13 176 113 0 103 1 0 1 1 0 8 0
amappl12 168 2818 0 2784 2 0 2 2 0 8 0
amappl11 160 8 0 8 1 1 0 1 0 8 0
amappl10 152 73 0 63 1 0 1 1 0 8 0
amappl9 144 269 0 269 1 1 0 1 0 8 0
amappl8 136 95 0 94 1 0 1 1 0 8 0
amappl7 128 145 0 133 1 0 1 1 0 8 0
amappl6 120 158 0 157 1 0 1 1 0 8 0
amappl5 112 99 0 92 1 0 1 1 0 8 0
amappl4 104 270 0 256 1 0 1 1 0 8 0
amappl3 96 14821 0 14711 5 1 4 4 0 8 0
amappl2 88 520 0 470 2 0 2 2 0 8 0
amappl1 80 17753 0 17186 15 1 14 15 0 8 0
amappl 88 19606 0 19440 5 0 5 5 0 92 0
uvmvnodes 80 100 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 15 0 0 1 0 1 1 0 8 0
uaddrrnd 24 2577 0 2542 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2577 0 2542 1 0 1 1 0 8 0
vmmpekpl 168 17079 0 17049 2 0 2 2 0 8 0
vmmpepl 168 151228 0 149312 96 4 92 95 0 357 1
vmsppl 488 2576 0 2542 7 1 6 6 0 8 1
rwobjpl 80 33960 0 33040 23 2 21 23 0 8 0
pdppl 4096 5161 0 5084 111 28 83 97 0 8 6
pvpl 32 12419 0 0 101 0 101 101 0 265 0
pmappl 256 2576 0 2542 4 1 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 583 0 33 16 0 16 16 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff838faff0) 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(ffffffff83a4af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a4af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff807fffffdc90) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: 10
ddb{0}> trace
x86_ipi_db(ffffffff838faff0) 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(ffffffff83a4af40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff83a4af40) at __mp_lock+0x192 sys/kern/kern_lock.c:173
reaper(ffff807fffffdc90) at reaper+0x211 sys/kern/kern_exit.c:505
end trace frame: 0x0, count: -5
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(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: 7
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8352a751) at panic+0x1e5 sys/kern/subr_prf.c:198
ip6_getpcbopt(0,33,fffffb8064987b00) at ip6_getpcbopt+0x3e3
ip6_ctloutput(0,ffff8000015a11b0,29,33,fffffb8064987b00) at ip6_ctloutput+0xfb2 sys/netinet6/ip6_output.c:1487
sogetopt(ffff8000015a11b0,29,33,fffffb8064987b00) at sogetopt+0x128 sys/kern/uipc_socket.c:2074
sys_getsockopt(ffff807ffffe6550,ffff80003c3d2260,ffff80003c3d21b0) at sys_getsockopt+0x1ec sys/kern/uipc_syscalls.c:1263
syscall(ffff80003c3d2260) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c3d2260) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6ea3c60fc40, count: -8
---
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