uvm_fault(0xfffff8807f218450, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rtable_l2+0x6b: movzbl 0(%rax,%rcx,4),%eax
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*381815 97508 0 0x2 0 0 syz-executor
rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315
ether_resolve(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8,ffff80002a78af1a) at ether_resolve+0x16f sys/net/if_ethersubr.c:233
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 ether_encap sys/net/if_ethersubr.c:342 [inline]
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 sys/net/if_ethersubr.c:371
if_output_tso(ffff8000002a2058,ffff80002a78b0d0,ffff800000c55d70,fffff880781fc2a8,5dc) at if_output_tso+0x200 sys/net/if.c:-1
ip_output(fffff8806ca1ea00,0,fffff88075a3e300,800,0,fffff88075a3e398,a319768c716781b9) at ip_output+0x107e sys/netinet/ip_output.c:437
tcp_output(ffff8000015bae60) at tcp_output+0x3513 sys/netinet/tcp_output.c:1070
tcp_send(ffff800010fdf370,fffff8806ca1e200,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859
sosend(ffff800010fdf370,0,ffff80002a78b508,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80002a7567d8,3,ffff80002a78b508,0,ffff80002a78b5b0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a7567d8,ffff80002a78b660,ffff80002a78b5b0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a78b660) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a78b660) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7344dfb0aa20, count: 3
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: uvm_fault(0xfffff8807f218450, 0x0, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315
ether_resolve(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8,ffff80002a78af1a) at ether_resolve+0x16f sys/net/if_ethersubr.c:233
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 ether_encap sys/net/if_ethersubr.c:342 [inline]
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 sys/net/if_ethersubr.c:371
if_output_tso(ffff8000002a2058,ffff80002a78b0d0,ffff800000c55d70,fffff880781fc2a8,5dc) at if_output_tso+0x200 sys/net/if.c:-1
ip_output(fffff8806ca1ea00,0,fffff88075a3e300,800,0,fffff88075a3e398,a319768c716781b9) at ip_output+0x107e sys/netinet/ip_output.c:437
tcp_output(ffff8000015bae60) at tcp_output+0x3513 sys/netinet/tcp_output.c:1070
tcp_send(ffff800010fdf370,fffff8806ca1e200,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859
sosend(ffff800010fdf370,0,ffff80002a78b508,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80002a7567d8,3,ffff80002a78b508,0,ffff80002a78b5b0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a7567d8,ffff80002a78b660,ffff80002a78b5b0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a78b660) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a78b660) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7344dfb0aa20, count: -12
ddb> show registers
rdi 0x4
rsi 0
rbp 0xffff80002a78ae60
rbx 0xfffff8806ca1ea00
rdx 0
rcx 0
rax 0
r8 0xffff80002a78af1a
r9 0x5dc
r10 0x36303a446d71f907
r11 0xa3b39dbbde4b0471
r12 0xffff800000c55b20
r13 0xffff80002a78af1a
r14 0
r15 0x4
rip 0xffffffff82dda11b rtable_l2+0x6b
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a78ae30
ss 0x10
rtable_l2+0x6b: movzbl 0(%rax,%rcx,4),%eax
ddb> show proc
PROC (syz-executor) tid=381815 pid=97508 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=24, usrpri=50, slppri=24, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a757c98,0xffff80002a756a80
process=0xffff80002a764010 user=0xffff80002a786000, vmspace=0xfffff8807f218450
estcpu=0, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
23474 395846 11921 0 2 0 0 syz-executor
23474 504673 11921 0 3 0 0x4000080 fsleep syz-executor
79133 132546 55094 0 2 0x10 0 syz-executor
79133 427297 55094 0 2 0x10 0x4000000 syz-executor
22828 20216 23869 0 2 0 0 syz-executor
22828 273986 23869 0 3 0 0x4000080 bell syz-executor
59372 324940 53849 0 3 0 0x80 nanoslp syz-executor
59372 406346 53849 0 3 0 0x4000080 kqread syz-executor
59372 418717 53849 0 3 0 0x4000080 fsleep syz-executor
40723 428888 27217 0 3 0 0x80 nanoslp syz-executor
40723 333379 27217 0 3 0 0x4000080 kqsel syz-executor
40723 497514 27217 0 3 0 0x4000080 ttyin syz-executor
96495 346676 38836 -1 3 0x10 0x80 nanoslp syz-executor
96495 230652 38836 -1 3 0x10 0x4000080 fifor syz-executor
96495 514056 38836 -1 3 0x10 0x4000080 fsleep syz-executor
53849 487248 97508 0 3 0x2 0x80 nanoslp syz-executor
68964 58068 97508 0 3 0x2 0x80 nanoslp syz-executor
23869 502208 97508 0 3 0x2 0x80 nanoslp syz-executor
55094 393125 97508 0 3 0x2 0x80 nanoslp syz-executor
38836 204101 97508 0 3 0x2 0x80 nanoslp syz-executor
27217 420510 97508 0 3 0x2 0x80 nanoslp syz-executor
92086 318135 97508 0 2 0x2 0 syz-executor
11921 362668 97508 0 3 0x2 0x80 nanoslp syz-executor
*97508 381815 21072 0 7 0x2 0 syz-executor
21072 421089 99077 0 3 0x100002 0x88 sigsusp ksh
99077 414412 48311 0 3 0x10 0x88 kqread sshd-session
48311 2406 99630 0 3 0x12 0x80 kqread sshd-session
40618 24076 1 0 3 0x100003 0x80 ttyin getty
99630 310835 1 0 3 0 0x88 kqread sshd
38406 176730 81961 73 3 0x1100010 0x80 kqread syslogd
81961 466345 1 0 3 0x100002 0x80 sbwait syslogd
22359 470314 1 0 3 0x100000 0x80 kqread resolvd
86224 439560 87052 77 3 0x100012 0x80 kqread dhcpleased
14946 442895 87052 77 3 0x100012 0x80 kqread dhcpleased
87052 446601 1 0 3 0 0x80 kqread dhcpleased
59982 357981 0 0 3 0x14000 0x200 bored smr
75673 334677 0 0 2 0x14000 0x200 zerothread
14524 47839 0 0 3 0x14000 0x200 aiodoned aiodoned
78080 339709 0 0 3 0x14000 0x200 syncer update
14238 88139 0 0 3 0x14000 0x200 cleaner cleaner
57823 87095 0 0 3 0x14000 0x200 reaper reaper
11696 42212 0 0 3 0x14000 0x200 pgdaemon pagedaemon
40778 58228 0 0 3 0x14000 0x200 bored viomb
78013 36290 0 0 3 0x14000 0x40000200 acpi0 acpi0
48278 53168 0 0 3 0x14000 0x200 bored softnet0
70729 235719 0 0 3 0x14000 0x200 bored systqmp
20394 197925 0 0 3 0x14000 0x200 bored systq
44134 192671 0 0 3 0x14000 0x40000200 tmoslp softclock
78952 67960 0 0 3 0x14000 0x40000200 idle0
1 41322 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11032 12103K 12199K 166960K 12163 0
pcb 17 12K 12K 166960K 39 0
rtable 257 8K 8K 166960K 395 0
pf 32 13K 15K 166960K 37 0
ifaddr 43 7K 7K 166960K 47 0
ifgroup 50 2K 2K 166960K 54 0
sysctl 3 1K 9K 166960K 8 0
counters 33 17K 18K 166960K 37 0
ioctlops 0 0K 4K 166960K 110 0
iov 1 1K 8K 166960K 6 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1328 83K 84K 166960K 1482 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 7 0K 0K 166960K 8 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 93K 166960K 228 0
sigio 0 0K 0K 166960K 1 0
proc 59 59K 91K 166960K 516 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 10 0
in_multi 99 6K 6K 166960K 103 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 370 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 226 151K 160K 166960K 3610 0
UVM aobj 4 2K 4K 166960K 6 0
pinsyscall 38 76K 94K 166960K 1328 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 4 0
NDP 11 0K 2K 166960K 29 0
temp 35 9110K 9130K 166960K 7022 0
kqueue 17 24K 28K 166960K 53 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 42 0 39 1 0 1 1 0 8 0
rtentry 136 122 0 7 4 0 4 4 0 8 0
unpcb 144 177 0 160 4 0 4 4 0 8 3
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 28 0 23 1 0 1 1 0 8 0
arp 96 21 0 2 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 1 0 0 1 0 1 1 0 8 0
inpcb 328 132 0 121 2 0 2 2 0 8 1
ip6q 80 2 0 1 1 0 1 1 0 8 0
ip6af 40 3 0 2 1 0 1 1 0 8 0
nd6 112 26 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 4 0 4 1 0 1 1 0 8 1
pfstscr 40 131 0 130 1 0 1 1 0 8 0
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 128 132 0 130 1 0 1 1 0 8 0
pfstate 384 66 0 65 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 472 0 9 30 0 30 30 0 8 0
art_table 40 473 0 9 5 0 5 5 0 8 0
art_node 32 122 0 19 1 0 1 1 0 8 0
semapl 72 6 0 1 1 0 1 1 0 8 0
shmpl 120 2 0 1 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1736 0 272 92 0 92 92 0 8 0
ffsino 256 1736 0 272 92 0 92 92 0 8 0
nchpl 144 2052 0 352 64 0 64 64 0 8 0
vnodes 216 1908 0 0 106 0 106 106 0 8 0
namei 1024 7214 0 7214 2 0 2 2 0 8 2
vcpupl 3968 16 0 16 2 0 2 2 0 8 2
vmpool 808 1 0 1 1 0 1 1 0 8 1
kstatmem 264 27 0 4 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 0 1 1 0 8 1
scxspl 216 8789 0 8789 3 0 3 3 1 8 3
plimitpl 152 38 0 19 1 0 1 1 0 8 0
sigapl 424 523 0 481 6 0 6 6 0 8 1
knotepl 120 6551 0 6252 10 0 10 10 0 8 0
kqueuepl 184 60 0 47 1 0 1 1 0 8 0
pipepl 304 128 0 101 3 0 3 3 0 8 0
fdescpl 448 510 0 481 5 0 5 5 0 8 1
filepl 120 2308 0 2081 10 0 10 10 0 8 1
lockfpl 104 36 0 33 1 0 1 1 0 8 0
lockfspl 48 16 0 13 1 0 1 1 0 8 0
sessionpl 144 25 0 17 1 0 1 1 0 8 0
pgrppl 48 34 0 18 1 0 1 1 0 8 0
ucredpl 104 186 0 173 1 0 1 1 0 8 0
zombiepl 144 482 0 481 1 0 1 1 0 8 0
processpl 1160 523 0 481 4 0 4 4 0 8 0
procpl 664 663 0 612 5 0 5 5 0 8 0
sockpl 552 352 0 321 8 0 8 8 0 8 5
mcl64k 65536 6 0 6 1 0 1 1 0 8 1
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 2594 0 2540 15 0 15 15 0 8 7
mcl2k 2048 196 0 194 1 0 1 1 0 8 0
mextrefs 64 71 0 70 1 0 1 1 0 8 0
mtagpl 96 5 0 5 1 0 1 1 0 8 1
mbufpl 256 5126 0 4963 12 0 12 12 0 8 1
bufpl 272 3408 0 102 221 0 221 221 0 8 0
anonpl 24 90149 0 86964 57 0 57 57 0 187 18
amapchunkpl 152 10163 0 9661 22 0 22 22 0 158 1
amappl16 200 1561 0 1536 21 5 16 21 0 8 8
amappl15 192 4 0 4 1 0 1 1 0 8 1
amappl14 184 422 0 421 1 0 1 1 0 8 0
amappl13 176 116 0 106 1 0 1 1 0 8 0
amappl12 168 744 0 716 2 0 2 2 0 8 0
amappl11 160 3 0 3 1 0 1 1 0 8 1
amappl10 152 78 0 68 1 0 1 1 0 8 0
amappl9 144 269 0 269 1 0 1 1 0 8 1
amappl8 136 90 0 89 1 0 1 1 0 8 0
amappl7 128 141 0 130 1 0 1 1 0 8 0
amappl6 120 155 0 154 1 0 1 1 0 8 0
amappl5 112 90 0 82 1 0 1 1 0 8 0
amappl4 104 267 0 252 1 0 1 1 0 8 0
amappl3 96 1859 0 1762 3 0 3 3 0 8 0
amappl2 88 626 0 558 2 0 2 2 0 8 0
amappl1 80 10443 0 9892 13 0 13 13 0 8 1
amappl 88 2910 0 2746 4 0 4 4 0 92 0
uvmvnodes 80 97 0 0 2 0 2 2 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 5 0 2 1 0 1 1 0 8 0
uaddrrnd 24 510 0 481 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 510 0 481 1 0 1 1 0 8 0
vmmpekpl 168 6022 0 5989 2 0 2 2 0 8 0
vmmpepl 168 41452 0 39665 96 0 96 96 0 357 6
vmsppl 368 509 0 481 4 0 4 4 0 8 1
rwobjpl 40 14690 0 13742 14 0 14 14 0 8 1
pdppl 4096 1028 0 964 94 28 66 80 0 8 2
pvpl 32 233312 0 224324 130 0 130 130 0 265 32
pmappl 216 510 0 482 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 580 0 28 16 0 16 16 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315
ether_resolve(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8,ffff80002a78af1a) at ether_resolve+0x16f sys/net/if_ethersubr.c:233
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 ether_encap sys/net/if_ethersubr.c:342 [inline]
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 sys/net/if_ethersubr.c:371
if_output_tso(ffff8000002a2058,ffff80002a78b0d0,ffff800000c55d70,fffff880781fc2a8,5dc) at if_output_tso+0x200 sys/net/if.c:-1
ip_output(fffff8806ca1ea00,0,fffff88075a3e300,800,0,fffff88075a3e398,a319768c716781b9) at ip_output+0x107e sys/netinet/ip_output.c:437
tcp_output(ffff8000015bae60) at tcp_output+0x3513 sys/netinet/tcp_output.c:1070
tcp_send(ffff800010fdf370,fffff8806ca1e200,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859
sosend(ffff800010fdf370,0,ffff80002a78b508,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80002a7567d8,3,ffff80002a78b508,0,ffff80002a78b5b0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a7567d8,ffff80002a78b660,ffff80002a78b5b0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a78b660) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a78b660) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7344dfb0aa20, count: -12
ddb> machine ddbcpu 1
No such command
ddb> trace
rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315
ether_resolve(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8,ffff80002a78af1a) at ether_resolve+0x16f sys/net/if_ethersubr.c:233
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 ether_encap sys/net/if_ethersubr.c:342 [inline]
ether_output(ffff8000002a2058,fffff8806ca1ea00,ffff800000c55d70,fffff880781fc2a8) at ether_output+0x54 sys/net/if_ethersubr.c:371
if_output_tso(ffff8000002a2058,ffff80002a78b0d0,ffff800000c55d70,fffff880781fc2a8,5dc) at if_output_tso+0x200 sys/net/if.c:-1
ip_output(fffff8806ca1ea00,0,fffff88075a3e300,800,0,fffff88075a3e398,a319768c716781b9) at ip_output+0x107e sys/netinet/ip_output.c:437
tcp_output(ffff8000015bae60) at tcp_output+0x3513 sys/netinet/tcp_output.c:1070
tcp_send(ffff800010fdf370,fffff8806ca1e200,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859
sosend(ffff800010fdf370,0,ffff80002a78b508,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80002a7567d8,3,ffff80002a78b508,0,ffff80002a78b5b0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a7567d8,ffff80002a78b660,ffff80002a78b5b0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a78b660) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a78b660) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7344dfb0aa20, count: -12