uvm_fault(0xffffffff83a50fe0, 0xffff8000016200ca, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*384795 58420 0 0 0x4000000 0 syz-executor
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c8f79d0,0,ffff80003c8f7940,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000161e200,ffff80003c8f7a78,ffff80003c8f79d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffa006c096800,ffff80000158eac8) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff80000158eac8,fffffa006c096800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff80000158eac8,0,ffff80003c8f7c28,0,0,80c) at sosend+0x7f4 sys/kern/uipc_socket.c:-1
sendit(ffff80002a769a08,3,ffff80003c8f7d20,80c,ffff80003c8f7dc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a769a08,ffff80003c8f7e70,ffff80003c8f7dc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c8f7e70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c8f7e70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4603a152860, 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: uvm_fault(0xffffffff83a50fe0, 0xffff8000016200ca, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c8f79d0,0,ffff80003c8f7940,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000161e200,ffff80003c8f7a78,ffff80003c8f79d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffa006c096800,ffff80000158eac8) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff80000158eac8,fffffa006c096800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff80000158eac8,0,ffff80003c8f7c28,0,0,80c) at sosend+0x7f4 sys/kern/uipc_socket.c:-1
sendit(ffff80002a769a08,3,ffff80003c8f7d20,80c,ffff80003c8f7dc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a769a08,ffff80003c8f7e70,ffff80003c8f7dc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c8f7e70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c8f7e70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4603a152860, count: -10
ddb> show registers
rdi 0xffff800035cbc000
rsi 0x942
rbp 0xffff80003c8f7820
rbx 0xde
rdx 0xffff800035cbc000
rcx 0xffff80000161ffe0
rax 0xfffffa006c0967e0
r8 0x1000 __ALIGN_SIZE
r9 0
r10 0xce3da5924e50946c
r11 0x3a7c0ab494385746
r12 0x19
r13 0xfffffa006c096700
r14 0xfffffa006bd0f678
r15 0xffff8000002a3058
rip 0xffffffff81c6d764 arp_rtrequest+0x6a4
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c8f77a0
ss 0x10
arp_rtrequest+0x6a4: movzwl 0xc(%rcx,%rbx,1),%ecx
ddb> show proc
PROC (syz-executor) tid=384795 pid=58420 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a769240,0xffff80002a769cb0
process=0xffff8000380c9b48 user=0xffff80003c8f2000, vmspace=0xfffffa006d0d12f0
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
40121 71030 27679 0 2 0 0 syz-executor
58420 219253 98684 0 2 0 0 syz-executor
*58420 384795 98684 0 7 0 0x4000000 syz-executor
73223 425241 97593 0 2 0 0 syz-executor
73223 354802 97593 0 3 0 0x4000080 kqpoll syz-executor
5000 414605 38468 0 2 0x2 0 ifconfig
3791 42541 23940 0 2 0 0 syz-executor
3791 371441 23940 0 3 0 0x4000080 fsleep syz-executor
45562 323830 72002 0 2 0 0 syz-executor
45562 273359 72002 0 3 0 0x4000080 fsleep syz-executor
40415 12239 34606 0 2 0 0 syz-executor
40415 462566 34606 0 3 0 0x4000080 fsleep syz-executor
38468 49508 32834 0 3 0x100002 0x88 sigsusp sh
97593 388914 96053 0 3 0x2 0x80 nanoslp syz-executor
72002 62529 96053 0 2 0x2 0xc80 syz-executor
98684 489821 96053 0 3 0x2 0x80 nanoslp syz-executor
34606 107594 96053 0 2 0x2 0xc80 syz-executor
23940 168153 96053 0 2 0x2 0xc80 syz-executor
27679 303499 96053 0 3 0x2 0x80 nanoslp syz-executor
32834 105472 96053 0 3 0x2 0x80 wait syz-executor
40673 439454 96053 0 2 0x2 0 syz-executor
96053 317522 68662 0 2 0x2 0 syz-executor
68662 188641 85835 0 3 0x100002 0x88 sigsusp ksh
85835 476406 69951 0 3 0x10 0x88 kqread sshd-session
69951 160508 30900 0 3 0x12 0x80 kqread sshd-session
86891 43052 1 0 3 0x100003 0x80 ttyin getty
30900 505890 1 0 3 0 0x88 kqread sshd
85862 504001 75319 73 3 0x1100010 0x80 kqread syslogd
75319 359430 1 0 3 0x100002 0x80 sbwait syslogd-parent
37548 211891 1 0 3 0x100000 0x80 kqread resolvd
37803 503099 1170 77 3 0x100012 0x80 kqread dhcpleased
48948 316744 1170 77 3 0x100012 0x80 kqread dhcpleased
1170 406732 1 0 3 0 0x80 kqread dhcpleased
5190 284304 0 0 3 0x14000 0x200 bored smr
67604 168960 0 0 2 0x14000 0x200 zerothread
11931 76660 0 0 3 0x14000 0x200 aiodoned aiodoned
44031 366231 0 0 3 0x14000 0x200 syncer update
37816 18057 0 0 3 0x14000 0x200 cleaner cleaner
79404 210367 0 0 3 0x14000 0x200 reaper reaper
22405 24987 0 0 3 0x14000 0x200 pgdaemon pagedaemon
37651 497306 0 0 3 0x14000 0x200 bored viomb
52603 16010 0 0 3 0x14000 0x40000200 acpi0 acpi0
55839 291113 0 0 2 0x14000 0x200 softnet0
65551 140898 0 0 3 0x14000 0x200 smrbar systqmp
55184 290983 0 0 3 0x14000 0x200 bored systq
48548 184721 0 0 3 0x14000 0x40000200 tmoslp softclock
6708 194289 0 0 3 0x14000 0x40000200 idle0
1 485116 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 11033 12176K 12176K 166960K 12118 0
pcb 17 12K 12K 166960K 23 0
rtable 240 7K 7K 166960K 362 0
pf 30 12K 14K 166960K 31 0
ifaddr 41 7K 7K 166960K 43 0
ifgroup 50 2K 2K 166960K 50 0
sysctl 1 1K 9K 166960K 5 0
counters 33 17K 17K 166960K 33 0
ioctlops 0 0K 2K 166960K 30 0
iov 0 0K 12K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1291 81K 81K 166960K 1362 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 18 65K 89K 166960K 144 0
proc 66 67K 83K 166960K 497 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 95 6K 6K 166960K 95 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 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 373 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 207 159K 167K 166960K 2927 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 39 78K 92K 166960K 1243 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 26 2K 2K 166960K 26 0
temp 33 9114K 9121K 166960K 3220 0
kqueue 14 22K 26K 166960K 28 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 38 0 34 1 0 1 1 0 8 0
rtentry 136 109 0 1 4 0 4 4 0 8 0
unpcb 144 39 0 24 1 0 1 1 0 8 0
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpcb 736 8 0 4 1 0 1 1 0 8 0
arp 96 18 0 0 1 0 1 1 0 8 0
inpcb 328 62 0 54 1 0 1 1 0 8 0
nd6 112 22 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 437 0 0 28 0 28 28 0 8 0
art_table 40 439 0 0 5 0 5 5 0 8 0
art_node 32 109 0 8 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1574 0 111 92 0 92 92 0 8 0
ffsino 256 1574 0 111 92 0 92 92 0 8 0
nchpl 144 1787 0 96 63 0 63 63 0 8 0
vnodes 216 1662 0 0 93 0 93 93 0 8 0
namei 1024 5912 0 5912 3 0 3 3 0 8 3
kstatmem 264 23 0 0 2 0 2 2 0 8 0
scxspl 216 6098 0 6098 3 0 3 3 1 8 3
plimitpl 152 29 0 13 1 0 1 1 0 8 0
sigapl 424 434 0 391 6 0 6 6 0 8 0
knotepl 120 2606 0 2558 2 0 2 2 0 8 0
kqueuepl 184 25 0 14 1 0 1 1 0 8 0
pipepl 304 124 0 97 3 0 3 3 0 8 0
fdescpl 448 421 0 391 5 0 5 5 0 8 1
filepl 120 1451 0 1243 7 0 7 7 0 8 0
lockfpl 104 12 0 10 1 0 1 1 0 8 0
lockfspl 48 7 0 5 1 0 1 1 0 8 0
sessionpl 144 23 0 15 1 0 1 1 0 8 0
pgrppl 48 31 0 15 1 0 1 1 0 8 0
ucredpl 104 89 0 78 1 0 1 1 0 8 0
zombiepl 144 391 0 391 1 0 1 1 0 8 1
processpl 1160 434 0 391 4 0 4 4 0 8 0
procpl 664 449 0 401 5 0 5 5 0 8 0
sockpl 552 139 0 112 3 0 3 3 0 8 1
mcl64k 65536 1 0 1 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 13 0 13 1 0 1 1 0 8 1
mcl4k 4096 2600 0 2547 15 0 15 15 0 8 8
mcl2k 2048 110 0 109 1 0 1 1 0 8 0
mextrefs 64 37 0 36 1 0 1 1 0 8 0
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 4426 0 4290 9 0 9 9 0 8 0
bufpl 272 2270 0 86 146 0 146 146 0 8 0
anonpl 24 87092 0 83871 33 0 33 33 0 187 11
amapchunkpl 152 8131 0 7730 22 0 22 22 0 158 5
amappl16 200 1402 0 1367 5 0 5 5 0 8 3
amappl15 192 9 0 9 1 0 1 1 0 8 1
amappl14 184 396 0 394 1 0 1 1 0 8 0
amappl13 176 145 0 135 1 0 1 1 0 8 0
amappl12 168 749 0 722 2 0 2 2 0 8 0
amappl11 160 7 0 7 1 0 1 1 0 8 1
amappl10 152 63 0 55 1 0 1 1 0 8 0
amappl9 144 281 0 281 1 0 1 1 0 8 1
amappl8 136 89 0 87 1 0 1 1 0 8 0
amappl7 128 139 0 129 1 0 1 1 0 8 0
amappl6 120 115 0 112 1 0 1 1 0 8 0
amappl5 112 128 0 121 1 0 1 1 0 8 0
amappl4 104 258 0 246 1 0 1 1 0 8 0
amappl3 96 1477 0 1378 3 0 3 3 0 8 0
amappl2 88 437 0 389 2 0 2 2 0 8 0
amappl1 80 9969 0 9424 13 0 13 13 0 8 1
amappl 88 2262 0 2119 4 0 4 4 0 92 0
uvmvnodes 80 99 0 0 3 0 3 3 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 421 0 391 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 421 0 391 1 0 1 1 0 8 0
vmmpekpl 168 5066 0 5040 2 0 2 2 0 8 0
vmmpepl 168 36227 0 34512 80 0 80 80 0 357 2
vmsppl 368 420 0 391 4 0 4 4 0 8 0
rwobjpl 40 13500 0 12576 11 0 11 11 0 8 1
pdppl 4096 848 0 782 88 10 78 78 0 8 12
pvpl 32 207619 0 199144 96 0 96 96 0 265 25
pmappl 216 420 0 391 2 0 2 2 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 496 0 10 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c8f79d0,0,ffff80003c8f7940,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000161e200,ffff80003c8f7a78,ffff80003c8f79d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffa006c096800,ffff80000158eac8) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff80000158eac8,fffffa006c096800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff80000158eac8,0,ffff80003c8f7c28,0,0,80c) at sosend+0x7f4 sys/kern/uipc_socket.c:-1
sendit(ffff80002a769a08,3,ffff80003c8f7d20,80c,ffff80003c8f7dc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a769a08,ffff80003c8f7e70,ffff80003c8f7dc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c8f7e70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c8f7e70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4603a152860, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 arprequest sys/netinet/if_ether.c:325 [inline]
arp_rtrequest(ffff8000002a3058,1,fffffa006bd0f678) at arp_rtrequest+0x6a4 sys/netinet/if_ether.c:226
rtrequest(1,ffff80003c8f79d0,0,ffff80003c8f7940,16) at rtrequest+0xdc1 sys/net/route.c:1114
rtm_output(ffff80000161e200,ffff80003c8f7a78,ffff80003c8f79d0,0,16) at rtm_output+0x91a sys/net/rtsock.c:956
route_output(fffffa006c096800,ffff80000158eac8) at route_output+0xa6a sys/net/rtsock.c:862
route_send(ffff80000158eac8,fffffa006c096800,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff80000158eac8,0,ffff80003c8f7c28,0,0,80c) at sosend+0x7f4 sys/kern/uipc_socket.c:-1
sendit(ffff80002a769a08,3,ffff80003c8f7d20,80c,ffff80003c8f7dc0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80002a769a08,ffff80003c8f7e70,ffff80003c8f7dc0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c8f7e70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c8f7e70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4603a152860, count: -10