panic: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/multicore/kernel/sys/netinet6/in6_src.c", line 328
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*361684 40169 0 0 0x4000000 0 syz-executor.5
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff8000359c7e10,0,fffffd8064dd6368,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8067e1a300,0,fffffd8064dd6368,0,0,fffffd8064dd6428) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467
tcp_output(ffff800000fb6638) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd8070b1eda0,fffffd80667dd600) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a18e560,ffff8000359c82b0,ffff8000359c8200) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff8000359c82b0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff8000359c82b0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67fc075e090, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/multicore/kernel/sys/netinet6/in6_src.c", line 328
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff8000359c7e10,0,fffffd8064dd6368,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8067e1a300,0,fffffd8064dd6368,0,0,fffffd8064dd6428) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467
tcp_output(ffff800000fb6638) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd8070b1eda0,fffffd80667dd600) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a18e560,ffff8000359c82b0,ffff8000359c8200) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff8000359c82b0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff8000359c82b0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67fc075e090, count: -10
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000359c7c50
rbx 0xffffffff82d15ca7 cpu_info_full_primary+0x2ca7
rdx 0xffff800000e0ad00
rcx 0xffff80002a18e560
rax 0xffffffff82d14ff0 cpu_info_full_primary+0x1ff0
r8 0
r9 0x8080808080808080
r10 0x7bac02d4854d2c70
r11 0x8f04c5dd64ccc1f0
r12 0xffffffff82d15aa8 cpu_info_full_primary+0x2aa8
r13 0
r14 0
r15 0x1
rip 0xffffffff82440f6c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff8000359c7c40
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.5) tid=361684 pid=40169 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=0xffff80002a18e010,0xffff80002a18d030
process=0xffff8000359dd658 user=0xffff8000359c3000, vmspace=0xfffffd80644c3730
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
84130 376053 24137 0 2 0 syz-executor.6
66162 433301 66803 0 2 0 syz-executor.3
66162 508238 66803 0 3 0x4000080 fsleep syz-executor.3
66162 438250 66803 0 3 0x4000080 fsleep syz-executor.3
90908 424770 21692 0 2 0 syz-executor.4
90908 235626 21692 0 3 0x4000080 fsleep syz-executor.4
40169 53035 31971 0 2 0 syz-executor.5
*40169 361684 31971 0 7 0x4000000 syz-executor.5
4003 464890 79825 0 2 0x480 syz-executor.7
4003 459511 79825 0 2 0x4000480 syz-executor.7
4003 139395 79825 0 3 0x4000080 fsleep syz-executor.7
38214 142819 54281 0 2 0x480 syz-executor.0
38214 242139 54281 0 3 0x4000080 rest syz-executor.0
38214 448990 54281 0 3 0x4000080 fsleep syz-executor.0
94487 292515 13931 0 2 0x480 syz-executor.2
94487 133391 13931 0 3 0x4000080 netcon2 syz-executor.2
24137 506342 76717 0 3 0x82 nanoslp syz-executor.6
44391 98671 1 0 3 0x100083 ttyin getty
66803 279669 76717 0 3 0x82 nanoslp syz-executor.3
16854 419264 76717 0 2 0x2 syz-executor.1
54281 447464 76717 0 2 0x482 syz-executor.0
79825 482431 76717 0 2 0x482 syz-executor.7
31971 367774 76717 0 2 0x482 syz-executor.5
54798 380437 0 0 3 0x14280 nfsidl nfsio
36152 400376 0 0 3 0x14280 nfsidl nfsio
41860 264798 0 0 3 0x14280 nfsidl nfsio
12910 228863 0 0 3 0x14280 nfsidl nfsio
95523 415738 0 0 3 0x14280 nfsidl nfsio
1086 231628 0 0 3 0x14280 nfsidl nfsio
29280 520093 0 0 3 0x14280 nfsidl nfsio
45036 240341 0 0 3 0x14280 nfsidl nfsio
26852 362022 0 0 3 0x14280 nfsidl nfsio
37980 176741 0 0 3 0x14280 nfsidl nfsio
36006 147729 0 0 3 0x14280 nfsidl nfsio
90753 369960 0 0 3 0x14280 nfsidl nfsio
78930 243687 0 0 3 0x14280 nfsidl nfsio
16509 504747 0 0 3 0x14280 nfsidl nfsio
95168 20011 0 0 3 0x14280 nfsidl nfsio
14341 121444 0 0 3 0x14280 nfsidl nfsio
3733 395802 0 0 3 0x14280 nfsidl nfsio
41022 37766 0 0 3 0x14280 nfsidl nfsio
44635 270646 0 0 3 0x14280 nfsidl nfsio
60601 24602 0 0 3 0x14280 nfsidl nfsio
21692 505209 76717 0 2 0x482 syz-executor.4
13931 227896 76717 0 2 0x482 syz-executor.2
5186 203467 0 0 3 0x14200 acct acct
81943 89899 0 0 3 0x14200 bored sosplice
76717 206505 36661 0 3 0x2000082 wait syz-fuzzer
76717 85317 36661 0 2 0x6000482 syz-fuzzer
76717 19084 36661 0 3 0x6000082 thrsleep syz-fuzzer
76717 66737 36661 0 3 0x6000082 wait syz-fuzzer
76717 63117 36661 0 3 0x6000082 thrsleep syz-fuzzer
76717 275981 36661 0 3 0x6000082 wait syz-fuzzer
76717 417722 36661 0 3 0x6000082 thrsleep syz-fuzzer
76717 455464 36661 0 3 0x6000082 thrsleep syz-fuzzer
76717 519098 36661 0 3 0x6000082 wait syz-fuzzer
76717 185184 36661 0 3 0x6000082 wait syz-fuzzer
76717 181507 36661 0 3 0x6000082 thrsleep syz-fuzzer
76717 98448 36661 0 3 0x6000082 kqread syz-fuzzer
76717 323152 36661 0 3 0x6000082 wait syz-fuzzer
76717 121371 36661 0 3 0x6000082 wait syz-fuzzer
76717 77610 36661 0 3 0x6000082 wait syz-fuzzer
76717 4798 36661 0 3 0x6000082 thrsleep syz-fuzzer
36661 339784 65698 0 3 0x10008a sigsusp ksh
65698 334937 96019 0 3 0x9a kqread sshd
96019 461359 1 0 3 0x88 kqread sshd
73348 305118 33713 74 3 0x1100092 bpf pflogd
33713 458150 1 0 3 0x80 netio pflogd
57501 322480 38610 73 3 0x1100090 kqread syslogd
38610 343916 1 0 3 0x100082 netio syslogd
93330 389956 1 0 3 0x100080 kqread resolvd
94446 329262 22916 77 3 0x100092 kqread dhcpleased
68943 150906 22916 77 3 0x100092 kqread dhcpleased
22916 380881 1 0 3 0x80 kqread dhcpleased
1637 218755 0 0 3 0x14200 bored smr
15579 489110 0 0 2 0x14200 zerothread
94717 209707 0 0 3 0x14200 aiodoned aiodoned
32118 309495 0 0 3 0x14200 syncer update
89088 7053 0 0 3 0x14200 cleaner cleaner
19129 304314 0 0 3 0x14200 reaper reaper
44785 79901 0 0 3 0x14200 pgdaemon pagedaemon
67775 506228 0 0 3 0x14200 bored viomb
61040 159865 0 0 3 0x40014200 acpi0 acpi0
49654 417370 0 0 7 0x40014200 idle1
75909 380766 0 0 3 0x14200 bored softnet3
59684 326894 0 0 3 0x14200 bored softnet2
24298 163821 0 0 3 0x14200 bored softnet1
31229 4604 0 0 3 0x14200 bored softnet0
27047 197252 0 0 3 0x14200 bored systqmp
67399 338985 0 0 3 0x14200 bored systq
64511 457251 0 0 3 0x14200 tmoslp softclockmp
7068 190500 0 0 2 0x40014200 softclock
50414 378901 0 0 3 0x40014200 idle0
1 452328 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 40169 (syz-executor.5) thread 0xffff80002a18e560 (361684)
Process 16854 (syz-executor.1) thread 0xffff80002a181560 (419264)
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10223 6505K 10906K 166960K 39461 0
pcb 15 20K 22K 166960K 1073 0
rtable 188 6K 8K 166960K 1882 0
pf 31 9K 10K 166960K 229 0
ifaddr 37 14K 16K 166960K 237 0
ifgroup 52 2K 2K 166960K 373 0
sysctl 3 0K 0K 166960K 3 0
counters 62 36K 37K 166960K 242 0
ioctlops 0 0K 4K 166960K 2326 0
iov 0 0K 28K 166960K 1295 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1544 97K 97K 166960K 9138 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 186 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 1299 0
dirhash 12 2K 2K 166960K 69 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 81K 166960K 12804 0
sigio 0 0K 0K 166960K 631 0
proc 70 91K 127K 166960K 1940 0
subproc 104 6K 10K 166960K 592 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 1101 0
in_multi 66 4K 7K 166960K 569 0
ether_multi 1 0K 0K 166960K 8 0
mrt 1 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 253 1129K 1129K 166960K 253 0
exec 0 0K 1K 166960K 2367 0
pfkey data 0 0K 0K 166960K 13 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 572 691K 694K 166960K 119499 0
UVM aobj 131 6K 6K 166960K 143 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 1K 166960K 612 0
NDP 11 0K 1K 166960K 179 0
temp 74 6712K 6840K 166960K 137306 0
kqueue 12 18K 28K 166960K 1041 0
SYN cache 2 56K 64K 166960K 4 0
ddb{0}> 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 120 872 0 869 15 11 4 4 0 8 3
rtentry 112 571 0 487 5 1 4 4 0 8 0
unpcb 144 10511 0 10496 110 105 5 8 0 8 4
syncache 320 129 0 129 25 24 1 1 0 8 1
tcpqe 32 350 0 350 23 22 1 1 0 8 1
tcpcb 808 4433 0 4414 145 137 8 14 0 8 5
arp 120 116 0 102 1 0 1 1 0 8 0
inpcb 376 11188 0 11166 208 195 13 15 0 8 7
nd6 136 125 0 109 1 0 1 1 0 8 0
pkpcb 40 97 0 97 8 8 0 1 0 8 0
kcovpl 48 39 0 31 1 0 1 1 0 8 0
ppxss 1168 23 0 23 7 7 0 1 0 8 0
pffrag 232 143 0 139 6 5 1 1 0 482 0
pffrnode 88 143 0 139 6 5 1 1 0 8 0
pffrent 40 405 0 401 6 5 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
pfstitem 24 381 0 366 1 0 1 1 0 8 0
pfstkey 128 384 0 369 3 2 1 2 0 8 0
pfstate 376 384 0 369 11 9 2 6 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1979 0 1644 50 22 28 31 0 8 0
art_table 32 1980 0 1644 4 0 4 4 0 8 0
art_node 16 558 0 485 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 1296 0 1286 1 0 1 1 0 8 0
shmpl 112 140 0 12 4 0 4 4 0 8 0
dirhash 1024 55 0 38 3 0 3 3 0 8 0
dino2pl 256 17913 0 16420 94 0 94 94 0 8 0
ffsino 272 17913 0 16420 100 0 100 100 0 8 0
nchpl 144 34911 0 33258 63 0 63 63 0 8 0
uvmvnodes 80 6666 0 0 137 0 137 137 0 8 0
vnodes 216 6666 0 0 371 0 371 371 0 8 0
namei 1024 118107 0 118107 13 12 1 3 0 8 1
percpumem 16 135 0 90 1 0 1 1 0 8 0
vcpupl 2048 261 0 0 33 0 33 33 0 8 0
vmpool 696 278 0 17 26 2 24 24 0 8 0
kstatmem 264 202 0 180 6 4 2 3 0 8 0
scxspl 216 115026 0 115026 17 16 1 8 1 8 1
plimitpl 152 1437 0 1420 1 0 1 1 0 8 0
sigapl 424 13321 0 13251 13 4 9 9 0 8 0
futexpl 64 113103 0 113098 4 3 1 1 0 8 0
knotepl 120 1125 0 0 18 4 14 16 0 8 0
kqueuepl 216 2730 0 2722 52 50 2 8 0 8 1
pipepl 320 2186 0 2158 66 60 6 11 0 8 3
fdescpl 496 13061 0 13031 11 6 5 5 0 8 0
filepl 152 78382 0 78137 146 127 19 27 0 8 8
lockfpl 104 3218 0 3216 5 4 1 2 0 8 0
lockfspl 48 1159 0 1157 1 0 1 1 0 8 0
sessionpl 144 63 0 46 1 0 1 1 0 8 0
pgrppl 48 323 0 306 1 0 1 1 0 8 0
ucredpl 104 9934 0 9915 1 0 1 1 0 8 0
zombiepl 144 13251 0 13251 3 2 1 1 0 8 1
processpl 1136 13321 0 13251 6 0 6 6 0 8 0
procpl 680 31790 0 31696 13 4 9 10 0 8 0
srpgc 96 52 0 52 20 19 1 1 0 8 1
sosppl 168 210 0 204 14 13 1 1 0 8 0
sockpl 488 22678 0 22638 571 557 14 39 0 8 7
mcl64k 65536 8 0 0 1 0 1 1 0 8 0
mcl16k 16384 8 0 0 1 0 1 1 0 8 0
mcl12k 12288 14 0 0 2 0 2 2 0 8 0
mcl9k 9216 5 0 0 1 0 1 1 0 8 0
mcl8k 8192 14 0 0 2 0 2 2 0 8 0
mcl4k 4096 19 0 0 3 0 3 3 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 372 0 0 35 7 28 35 0 8 2
mtagpl 96 636 0 0 10 0 10 10 0 8 0
mbufpl 256 1670 0 0 75 0 75 75 0 8 0
bufpl 288 24290 0 17621 477 0 477 477 0 8 0
anonpl 24 1373851 0 1358542 228 105 123 164 0 186 0
amapchunkpl 152 381861 0 380863 126 84 42 68 0 158 1
amappl16 200 28431 0 27774 162 122 40 49 0 8 2
amappl15 192 22 0 20 1 0 1 1 0 8 0
amappl14 184 268 0 255 2 1 1 2 0 8 0
amappl13 176 61 0 59 1 0 1 1 0 8 0
amappl12 168 14208 0 14176 3 1 2 2 0 8 0
amappl11 160 59 0 44 1 0 1 1 0 8 0
amappl10 152 77 0 62 1 0 1 1 0 8 0
amappl9 144 303 0 303 15 14 1 1 0 8 1
amappl8 136 667 0 519 6 0 6 6 0 8 0
amappl7 128 309 0 279 3 1 2 3 0 8 0
amappl6 120 836 0 820 1 0 1 1 0 8 0
amappl5 112 312 0 301 1 0 1 1 0 8 0
amappl4 104 870 0 831 7 5 2 2 0 8 0
amappl3 96 74381 0 74281 4 1 3 3 0 8 0
amappl2 88 14146 0 14063 3 1 2 3 0 8 0
amappl1 80 57256 0 56698 24 11 13 23 0 8 0
amappl 88 118314 0 117996 11 3 8 8 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 72 142 0 12 3 0 3 3 0 8 0
uaddrrnd 24 13339 0 13048 2 0 2 2 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 13339 0 13048 2 0 2 2 0 8 0
vmmpekpl 168 87612 0 87518 5 0 5 5 0 8 0
vmmpepl 168 774397 0 771376 585 424 161 175 0 357 19
vmsppl 448 13338 0 13048 34 1 33 33 0 8 0
rwobjpl 56 186652 0 177926 136 10 126 127 0 8 0
pdppl 4096 26685 0 26357 900 570 330 330 0 8 2
pvpl 32 45638 0 0 369 0 369 369 0 265 0
pmappl 248 13338 0 13048 19 0 19 19 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1990 0 762 36 0 36 36 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157
in6_selectroute(ffff8000359c7e10,0,fffffd8064dd6368,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328
ip6_output(fffffd8067e1a300,0,fffffd8064dd6368,0,0,fffffd8064dd6428) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467
tcp_output(ffff800000fb6638) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110
tcp_connect(fffffd8070b1eda0,fffffd80667dd600) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670
sys_connect(ffff80002a18e560,ffff8000359c82b0,ffff8000359c8200) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff8000359c82b0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff8000359c82b0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x67fc075e090, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffff800029cfbff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cfbff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029cfbff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cfbff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: -5