panic: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/main/kernel/sys/netinet6/in6_src.c", line 328
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*473249 50067 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8285300a) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828d4920,ffffffff8282cbbd,148,ffffffff829229b7) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff800030e2d818,0,fffffd806c789cb8,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8061b68700,0,fffffd806c789cb8,0,0,fffffd806c789d58) at ip6_output+0xc9b sys/netinet6/ip6_output.c:467
tcp_output(ffff800000e15670) at tcp_output+0x27b7 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd805f8a1d00,fffffd8061b68000) at tcp_connect+0x318 sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a6dcd48,ffff800030e2dcc0,ffff800030e2dc10) at sys_connect+0x206 sys/kern/uipc_syscalls.c:422
syscall(ffff800030e2dcc0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf68aa866010, count: 5
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/main/kernel/sys/netinet6/in6_src.c", line 328
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8285300a) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828d4920,ffffffff8282cbbd,148,ffffffff829229b7) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff800030e2d818,0,fffffd806c789cb8,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8061b68700,0,fffffd806c789cb8,0,0,fffffd806c789d58) at ip6_output+0xc9b sys/netinet6/ip6_output.c:467
tcp_output(ffff800000e15670) at tcp_output+0x27b7 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd805f8a1d00,fffffd8061b68000) at tcp_connect+0x318 sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a6dcd48,ffff800030e2dcc0,ffff800030e2dc10) at sys_connect+0x206 sys/kern/uipc_syscalls.c:422
syscall(ffff800030e2dcc0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf68aa866010, count: -10
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff800030e2d670
rbx 0x2
rdx 0xffff800000dc5e40
rcx 0
rax 0xffff80002a6dcd48
r8 0
r9 0x8080808080808080
r10 0xbbf1402100f87293
r11 0x75eb2ce19b9f9153
r12 0
r13 0xffff800030e2d818
r14 0
r15 0x1
rip 0xffffffff813c0b6c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff800030e2d660
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) tid=473249 pid=50067 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a6dc000,0xffff80002a6dd7f8
process=0xffff8000343c4448 user=0xffff800030e28000, vmspace=0xfffffd807a3e6e30
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67884 310985 78578 0 2 0 syz-executor.0
67884 356048 78578 0 3 0x4000080 fsleep syz-executor.0
50067 1 40179 0 2 0 syz-executor.1
*50067 473249 40179 0 7 0x4000000 syz-executor.1
57385 354441 80113 0 2 0 syz-executor.5
57385 213542 80113 0 2 0x4000000 syz-executor.5
58181 198068 10997 0 2 0 syz-executor.2
58181 138889 10997 0 3 0x4000080 fsleep syz-executor.2
15235 320746 92330 0 2 0x480 syz-executor.3
15235 96514 92330 0 3 0x4000080 netcon syz-executor.3
15235 207378 92330 0 3 0x4000080 fsleep syz-executor.3
15235 52480 92330 0 3 0x4000080 fsleep syz-executor.3
36330 77556 0 0 3 0x14280 nfsidl nfsio
96245 447415 0 0 3 0x14280 nfsidl nfsio
96129 207737 0 0 3 0x14280 nfsidl nfsio
30924 128869 0 0 3 0x14280 nfsidl nfsio
24046 269700 0 0 3 0x14280 nfsidl nfsio
99379 221069 0 0 3 0x14280 nfsidl nfsio
72130 201284 0 0 3 0x14280 nfsidl nfsio
47864 200737 0 0 3 0x14280 nfsidl nfsio
64981 422481 0 0 3 0x14280 nfsidl nfsio
24653 267290 0 0 3 0x14280 nfsidl nfsio
56912 343925 0 0 3 0x14280 nfsidl nfsio
18655 204952 0 0 3 0x14280 nfsidl nfsio
83232 326620 0 0 3 0x14280 nfsidl nfsio
54741 381957 0 0 3 0x14280 nfsidl nfsio
21682 196928 0 0 3 0x14280 nfsidl nfsio
79995 492183 0 0 3 0x14280 nfsidl nfsio
35611 196512 0 0 3 0x14280 nfsidl nfsio
33780 127170 0 0 3 0x14280 nfsidl nfsio
64781 514860 0 0 3 0x14280 nfsidl nfsio
44030 266457 0 0 3 0x14280 nfsidl nfsio
83171 30029 49152 0 2 0x482 syz-executor.7
80113 202402 49152 0 2 0x482 syz-executor.5
40179 247444 49152 0 2 0x482 syz-executor.1
57045 138290 49152 0 2 0x2 syz-executor.4
92330 227511 49152 0 2 0x482 syz-executor.3
78578 282451 49152 0 2 0x482 syz-executor.0
90372 380702 49152 0 2 0x482 syz-executor.6
10997 485510 49152 0 2 0x482 syz-executor.2
43652 517321 1 0 3 0x100083 ttyopn getty
9169 270024 0 0 3 0x14200 acct acct
14803 178524 0 0 3 0x14200 bored sosplice
49152 356074 96556 0 3 0x2000082 wait syz-fuzzer
49152 360319 96556 0 2 0x6000482 syz-fuzzer
49152 319091 96556 0 3 0x6000082 wait syz-fuzzer
49152 225544 96556 0 3 0x6000082 thrsleep syz-fuzzer
49152 450641 96556 0 3 0x6000082 wait syz-fuzzer
49152 265133 96556 0 3 0x6000082 thrsleep syz-fuzzer
49152 167944 96556 0 3 0x6000082 wait syz-fuzzer
49152 412996 96556 0 3 0x6000082 wait syz-fuzzer
49152 458787 96556 0 3 0x6000082 wait syz-fuzzer
49152 477704 96556 0 3 0x6000082 thrsleep syz-fuzzer
49152 278597 96556 0 3 0x6000082 thrsleep syz-fuzzer
49152 95221 96556 0 3 0x6000082 kqread syz-fuzzer
49152 440035 96556 0 3 0x6000082 wait syz-fuzzer
49152 374796 96556 0 3 0x6000082 wait syz-fuzzer
96556 64094 55625 0 3 0x10008a sigsusp ksh
55625 51564 75166 0 3 0x9a kqread sshd
75166 47965 1 0 3 0x88 kqread sshd
86830 63534 24223 73 3 0x1100090 kqread syslogd
24223 32393 1 0 3 0x100082 netio syslogd
95799 377989 1 0 3 0x100080 kqread resolvd
28408 275534 50022 77 3 0x100092 kqread dhcpleased
64818 319809 50022 77 3 0x100092 kqread dhcpleased
50022 329683 1 0 3 0x80 kqread dhcpleased
79056 373903 0 0 3 0x14200 bored smr
65243 196348 0 0 2 0x14200 zerothread
86787 87498 0 0 3 0x14200 aiodoned aiodoned
69826 21278 0 0 3 0x14200 syncer update
54494 430421 0 0 3 0x14200 cleaner cleaner
27860 203845 0 0 3 0x14200 reaper reaper
88501 126450 0 0 3 0x14200 pgdaemon pagedaemon
20989 21460 0 0 3 0x14200 bored viomb
65020 52536 0 0 3 0x40014200 acpi0 acpi0
92057 353765 0 0 3 0x14200 bored softnet3
43606 157225 0 0 3 0x14200 bored softnet2
94820 369104 0 0 3 0x14200 bored softnet1
6629 475345 0 0 3 0x14200 bored softnet0
66545 127036 0 0 3 0x14200 bored systqmp
95070 320476 0 0 3 0x14200 bored systq
86153 452532 0 0 3 0x40014200 tmoslp softclock
43183 15193 0 0 3 0x40014200 idle0
1 99580 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10232 6443K 7546K 166960K 30204 0
pcb 15 20K 23K 166960K 1224 0
rtable 177 13K 16K 166960K 3743 0
pf 29 8K 10K 166960K 487 0
ifaddr 34 11K 13K 166960K 519 0
ifgroup 50 2K 2K 166960K 814 0
sysctl 4 1K 3K 166960K 8 0
counters 30 17K 18K 166960K 231 0
ioctlops 0 0K 2K 166960K 708 0
iov 0 0K 16K 166960K 1321 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1532 96K 96K 166960K 9057 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 161 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 1465 0
dirhash 12 2K 2K 166960K 87 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 15 53K 85K 166960K 12611 0
sigio 1 0K 0K 166960K 364 0
proc 58 59K 100K 166960K 3352 0
subproc 104 6K 6K 166960K 1238 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 954 0
in_multi 66 4K 7K 166960K 1160 0
ether_multi 1 0K 0K 166960K 7 0
mrt 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 3422 0
pfkey data 0 0K 0K 166960K 4 0
tdb 3 0K 0K 166960K 3 0
pagedep 1 8K 8K 166960K 1 0
inodedep 1 32K 32K 166960K 1 0
newblk 1 0K 0K 166960K 1 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 459 540K 549K 166960K 114314 0
UVM aobj 131 4K 4K 166960K 134 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 630 0
NDP 11 0K 2K 166960K 405 0
temp 75 6704K 6832K 166960K 144460 0
kqueue 12 18K 28K 166960K 826 0
SYN cache 2 1236K 1244K 166960K 3 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 1042 0 1039 11 10 1 3 0 8 0
rtentry 112 1172 0 1095 7 3 4 4 0 8 0
unpcb 144 8000 0 7984 65 63 2 7 0 8 1
syncache 320 147 0 147 28 27 1 1 0 8 1
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 319 0 319 23 22 1 1 0 8 1
tcpcb 808 4546 0 4534 110 108 2 14 0 8 0
arp 88 221 0 209 1 0 1 1 0 8 0
ipq 40 79 0 78 6 5 1 1 0 8 0
ipqe 40 168 0 167 6 5 1 1 0 8 0
inpcb 344 11124 0 11107 166 158 8 24 0 8 6
nd6 104 298 0 283 1 0 1 1 0 8 0
pkpcb 40 31 0 31 6 6 0 1 0 8 0
kcovpl 48 95 0 87 1 0 1 1 0 8 0
ppxss 1072 48 0 48 15 15 0 1 0 8 0
art_heap8 4096 2 0 1 2 1 1 2 0 8 0
art_heap4 256 4643 0 4316 81 59 22 31 0 8 0
art_table 32 4645 0 4317 4 0 4 4 0 8 0
art_node 16 1158 0 1088 1 0 1 1 0 8 0
sysvmsgpl 40 7 0 7 1 1 0 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 1457 0 1447 1 0 1 1 0 8 0
shmpl 112 131 0 3 4 0 4 4 0 8 0
dirhash 1024 67 0 50 3 0 3 3 0 8 0
dino2pl 256 17215 0 15713 95 0 95 95 0 8 0
ffsino 240 17215 0 15713 89 0 89 89 0 8 0
nchpl 144 33666 0 32032 63 0 63 63 0 8 0
uvmvnodes 80 6626 0 0 136 0 136 136 0 8 0
vnodes 216 6626 0 0 369 0 369 369 0 8 0
namei 1024 123674 0 123674 15 14 1 2 0 8 1
vcpupl 2048 129 0 0 17 0 17 17 0 8 0
vmpool 664 162 0 33 13 2 11 11 0 8 0
kstatmem 264 424 0 402 3 1 2 3 0 8 0
scxspl 216 119274 0 119274 42 40 2 8 1 8 2
plimitpl 152 1469 0 1454 1 0 1 1 0 8 0
sigapl 424 13309 0 13243 10 2 8 9 0 8 0
futexpl 64 111972 0 111968 7 6 1 1 0 8 0
knotepl 120 107078 0 106996 43 39 4 11 0 8 0
kqueuepl 184 2699 0 2691 38 34 4 4 0 8 3
pipepl 288 2748 0 2720 66 61 5 11 0 8 2
fdescpl 432 12691 0 12665 4 0 4 4 0 8 0
filepl 120 76448 0 76167 122 109 13 15 0 8 4
lockfpl 104 3443 0 3409 4 3 1 2 0 8 0
lockfspl 48 1446 0 1412 1 0 1 1 0 8 0
sessionpl 144 114 0 98 1 0 1 1 0 8 0
pgrppl 48 479 0 463 1 0 1 1 0 8 0
ucredpl 104 9461 0 9449 1 0 1 1 0 8 0
zombiepl 144 13245 0 13243 3 2 1 1 0 8 0
processpl 1072 13309 0 13243 5 0 5 5 0 8 0
procpl 680 30636 0 30550 27 18 9 9 0 8 0
sosppl 168 118 0 118 15 15 0 1 0 8 0
sockpl 456 20264 0 20228 364 352 12 36 0 8 7
mcl64k 65536 596 0 596 33 32 1 1 0 8 1
mcl16k 16384 249 0 249 30 29 1 1 0 8 1
mcl12k 12288 498 0 498 28 27 1 1 0 8 1
mcl9k 9216 224 0 224 35 34 1 1 0 8 1
mcl8k 8192 743 0 743 33 32 1 9 0 8 1
mcl4k 4096 1311 0 1311 22 21 1 1 0 8 1
mcl2k2 2112 72 0 72 27 26 1 1 0 8 1
mcl2k 2048 94679 0 94631 71 63 8 29 0 8 1
mtagpl 96 1462 0 1402 24 22 2 10 0 8 0
mbufpl 256 263334 0 263178 271 247 24 78 0 8 8
bufpl 288 30078 0 23451 474 0 474 474 0 8 0
anonpl 24 1327700 0 1313322 199 98 101 112 0 188 0
amapchunkpl 152 365358 0 364477 114 72 42 47 0 158 0
amappl16 200 25848 0 25372 133 105 28 39 0 8 0
amappl15 192 11 0 11 1 1 0 1 0 8 0
amappl14 184 495 0 481 2 1 1 2 0 8 0
amappl13 176 130 0 128 1 0 1 1 0 8 0
amappl12 168 14626 0 14597 2 0 2 2 0 8 0
amappl11 160 56 0 46 1 0 1 1 0 8 0
amappl10 152 175 0 163 2 1 1 1 0 8 0
amappl9 144 236 0 235 1 0 1 1 0 8 0
amappl8 136 714 0 614 4 0 4 4 0 8 0
amappl7 128 423 0 399 2 0 2 2 0 8 0
amappl6 120 1588 0 1575 1 0 1 1 0 8 0
amappl5 112 430 0 421 1 0 1 1 0 8 0
amappl4 104 1109 0 1083 2 1 1 2 0 8 0
amappl3 96 70718 0 70629 3 0 3 3 0 8 0
amappl2 88 13897 0 13823 3 1 2 3 0 8 0
amappl1 80 59719 0 59207 24 12 12 22 0 8 0
amappl 88 112792 0 112523 7 0 7 7 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 72 133 0 3 3 0 3 3 0 8 0
uaddrrnd 24 12853 0 12698 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 12853 0 12698 1 0 1 1 0 8 0
vmmpekpl 168 93267 0 93184 5 0 5 5 0 8 0
vmmpepl 168 792846 0 790438 419 298 121 138 0 357 0
vmsppl 352 12852 0 12698 15 0 15 15 0 8 0
rwobjpl 24 185259 0 176919 53 1 52 52 0 8 0
pdppl 4096 25712 0 25525 849 656 193 193 0 8 6
pvpl 32 3628468 0 3608301 562 374 188 334 0 265 6
pmappl 216 12852 0 12698 9 0 9 9 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 2291 0 1343 29 0 29 29 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8285300a) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828d4920,ffffffff8282cbbd,148,ffffffff829229b7) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff800030e2d818,0,fffffd806c789cb8,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8061b68700,0,fffffd806c789cb8,0,0,fffffd806c789d58) at ip6_output+0xc9b sys/netinet6/ip6_output.c:467
tcp_output(ffff800000e15670) at tcp_output+0x27b7 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd805f8a1d00,fffffd8061b68000) at tcp_connect+0x318 sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a6dcd48,ffff800030e2dcc0,ffff800030e2dc10) at sys_connect+0x206 sys/kern/uipc_syscalls.c:422
syscall(ffff800030e2dcc0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf68aa866010, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8285300a) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828d4920,ffffffff8282cbbd,148,ffffffff829229b7) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff800030e2d818,0,fffffd806c789cb8,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8061b68700,0,fffffd806c789cb8,0,0,fffffd806c789d58) at ip6_output+0xc9b sys/netinet6/ip6_output.c:467
tcp_output(ffff800000e15670) at tcp_output+0x27b7 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd805f8a1d00,fffffd8061b68000) at tcp_connect+0x318 sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a6dcd48,ffff800030e2dcc0,ffff800030e2dc10) at sys_connect+0x206 sys/kern/uipc_syscalls.c:422
syscall(ffff800030e2dcc0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf68aa866010, count: -10