oLlo(²zCoLlo(²zCukernel: page fault trap, code=0
Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi)
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
kernel page fault
uvm_fault(0xffffffff82239270, 0xffff8000019bb000, 0, 1) -> e
memcpy(fffffd8070e20af8,ffff8000019baf0d,0,fffffd8070e20af8,a135255c26c224b8,ffff800020c59378) at memcpy+0x15
end trace frame: 0xffff800020c59280, count: 0
ddb{1}> trace
memcpy(fffffd8070e20af8,ffff8000019baf0d,0,fffffd8070e20af8,a135255c26c224b8,ffff800020c59378) at memcpy+0x15
rtrequest(1,ffff800020c59378,0,ffff800020c592c0,0) at rtrequest+0x83c sys/net/route.c:917
rtm_output(ffff8000019baf00,ffff800020c59370,ffff800020c59378,0,0) at rtm_output+0x760 sys/net/rtsock.c:888
route_output(fffffd8071628900,fffffd806ca27190,0,0) at route_output+0x79b sys/net/rtsock.c:806
route_usrreq(fffffd806ca27190,9,fffffd8071628900,0,0,ffff800020b38e28) at route_usrreq+0x35d sys/net/rtsock.c:271
sosend(fffffd806ca27190,0,ffff800020c59638,0,0,0) at sosend+0x6eb sys/kern/uipc_socket.c:513
sendit(ffff800020b38e28,4,ffff800020c596f8,0,ffff800020c597c0) at sendit+0x590 sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020b38e28,ffff800020c597d8,ffff800020c597c0) at sys_sendto+0x92
syscall(ffff800020c59870) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020c59870) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,0,ffffffffffffffd8,0,6,6907cc67010) at Xsyscall+0x128
end of kernel
end trace frame: 0x692c2193080, count: -10
ddb{1}> show registers
rdi 0xffff8000019badf0
rsi 0xffff8000019baffd
rbp 0xffff800020c59170
rbx 0xffff8000019baf0d
rdx 0x100
rcx 0x2
rax 0xfffffffffffffdf3
r8 0
r9 0x5
r10 0x8ffda2acf337a850
r11 0xffff8000019bad00
r12 0xffff8000019bad00
r13 0x100
r14 0
r15 0xfffffd8070e20af8
rip 0xffffffff81908ab5 memcpy+0x15
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff800020c59108
ss 0x10
memcpy+0x15: repe movsq (%rsi),%es:(%rdi)
ddb{1}> show proc
PROC (syz-executor.1) pid=324745 stat=onproc
flags process=1000<SINGLEEXIT> proc=4080000<SUSPSINGLE,THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020b38bd0,0xffffffff8233d1e8
process=0xffff800020b8c9f0 user=0xffff800020c54000, vmspace=0xfffffd807effd9d8
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16970 497910 47202 0 3 0x3000 suspend syz-executor.1
*16970 324745 47202 0 7 0x4081000 syz-executor.1
79532 397355 32306 0 2 0 syz-executor.0
79532 377860 32306 0 7 0x4000000 syz-executor.0
80139 501072 1 0 3 0x100083 ttyin getty
81291 356058 0 0 3 0x14200 bored sosplice
47202 314903 57649 0 3 0x82 nanosleep syz-executor.1
32306 25859 57649 0 3 0x82 nanosleep syz-executor.0
57649 58164 57293 0 3 0x82 thrsleep syz-fuzzer
57649 345708 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 441406 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 469082 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 462112 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 24089 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 376247 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 315245 57293 0 3 0x4000082 thrsleep syz-fuzzer
57649 260438 57293 0 3 0x4000082 kqread syz-fuzzer
57649 147462 57293 0 3 0x4000082 thrsleep syz-fuzzer
57293 32288 16094 0 3 0x10008a pause ksh
16094 42601 17616 0 3 0x92 select sshd
17616 355759 1 0 3 0x80 select sshd
44259 409315 42407 74 3 0x100092 bpf pflogd
42407 53494 1 0 3 0x80 netio pflogd
15306 47888 39045 73 2 0x100090 syslogd
39045 275032 1 0 3 0x100082 netio syslogd
33919 302408 1 77 3 0x100090 poll dhclient
21405 97128 1 0 3 0x80 poll dhclient
84260 492601 0 0 2 0x14200 zerothread
63401 109562 0 0 3 0x14200 aiodoned aiodoned
16461 341087 0 0 3 0x14200 syncer update
51854 196717 0 0 3 0x14200 cleaner cleaner
3468 87582 0 0 3 0x14200 reaper reaper
93871 82977 0 0 3 0x14200 pgdaemon pagedaemon
56203 437774 0 0 3 0x14200 bored crynlk
96299 364460 0 0 3 0x14200 bored crypto
36855 118832 0 0 3 0x40014200 acpi0 acpi0
48822 389251 0 0 3 0x40014200 idle1
71727 157513 0 0 3 0x14200 bored softnet
67325 266557 0 0 3 0x14200 bored systqmp
16156 212630 0 0 3 0x14200 bored systq
19297 127102 0 0 3 0x40014200 bored softclock
46886 175044 0 0 3 0x40014200 idle0
36306 397499 0 0 3 0x14200 bored smr
1 109401 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 16970 (syz-executor.1) thread 0xffff800020b38e28 (324745)
exclusive rwlock netlock r = 0 (0xffffffff821d1ad8) locked @ /syzkaller/managers/multicore/kernel/sys/net/rtsock.c:883
#0 witness_lock+0x594 sys/kern/subr_witness.c:1205
#1 rtm_output+0x6b0 sys/net/rtsock.c:884
#2 route_output+0x79b sys/net/rtsock.c:806
#3 route_usrreq+0x35d sys/net/rtsock.c:271
#4 sosend+0x6eb sys/kern/uipc_socket.c:513
#5 sendit+0x590 sys/kern/uipc_syscalls.c:662
#6 sys_sendto+0x92
#7 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#7 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff823542d8) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161
#0 witness_lock+0x594 sys/kern/subr_witness.c:1205
#1 solock+0x7e sys/kern/uipc_socket2.c:292
#2 sosend+0x586 sys/kern/uipc_socket.c:501
#3 sendit+0x590 sys/kern/uipc_syscalls.c:662
#4 sys_sendto+0x92
#5 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#5 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9517 6439K 6449K 78643K 10818 0 0
pcb 27 9K 10K 78643K 636 0 0
rtable 106 4K 4K 78643K 578 0 0
ifaddr 56 13K 14K 78643K 175 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1479 0 0
iov 0 0K 24K 78643K 68 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1192 75K 75K 78643K 1499 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 8 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 12 0K 0K 78643K 81 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12628 0 0
file desc 6 17K 25K 78643K 729 0 0
sigio 0 0K 0K 78643K 8 0 0
proc 53 50K 71K 78643K 391 0 0
subproc 64 65538K 67586K 78643K 68 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 60 0 0
in_multi 33 2K 2K 78643K 47 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 72 318K 318K 78643K 72 0 0
exec 0 0K 1K 78643K 232 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 84 20K 21K 78643K 2973 0 0
UVM aobj 23 2K 2K 78643K 29 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 38 0 0
NDP 11 0K 0K 78643K 46 0 0
temp 153 2376K 2447K 78643K 4994 0 0
kqueue 0 0K 0K 78643K 7 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 0 1 0 1 1 0 8 0
inpcbpl 280 303 0 296 1 0 1 1 0 8 0
plimitpl 152 33 0 25 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtentry 112 61 0 20 2 0 2 2 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 12 0 12 1 1 0 1 0 8 0
tcpcb 544 93 0 89 1 0 1 1 0 8 0
nd6 48 4 0 0 1 0 1 1 0 8 0
ppxss 1128 28 0 28 3 2 1 1 0 8 1
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 20 0 10 1 0 1 1 0 8 0
pfstkey 112 20 0 10 1 0 1 1 0 8 0
pfstate 328 20 0 10 2 0 2 2 0 8 0
pfrule 1360 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 256 186 0 0 12 0 12 12 0 8 0
art_table 32 187 0 0 2 0 2 2 0 8 0
art_node 16 40 0 6 1 0 1 1 0 8 0
sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0
semapl 112 79 0 69 1 0 1 1 0 8 0
shmpl 112 27 0 6 2 1 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 2606 0 1191 46 0 46 46 0 8 0
ffsino 272 2606 0 1191 95 0 95 95 0 8 0
nchpl 144 3754 0 2127 61 0 61 61 0 8 0
uvmvnodes 72 2694 0 0 49 0 49 49 0 8 0
vnodes 200 2694 0 0 142 0 142 142 0 8 0
namei 1024 10270 0 10270 2 1 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
scxspl 192 11024 0 11024 10 9 1 6 0 8 1
sigapl 432 926 0 910 3 1 2 3 0 8 0
futexpl 56 6297 0 6297 1 0 1 1 0 8 1
knotepl 112 157 0 130 3 2 1 2 0 8 0
kqueuepl 104 119 0 117 1 0 1 1 0 8 0
pipepl 112 444 0 425 2 1 1 1 0 8 0
fdescpl 488 927 0 910 3 0 3 3 0 8 0
filepl 152 4741 0 4640 5 0 5 5 0 8 0
lockfpl 104 202 0 202 3 2 1 1 0 8 1
lockfspl 32 257 0 257 3 2 1 1 0 8 1
sessionpl 112 19 0 8 1 0 1 1 0 8 0
pgrppl 48 23 0 12 1 0 1 1 0 8 0
ucredpl 96 947 0 938 1 0 1 1 0 8 0
zombiepl 144 910 0 910 2 1 1 1 0 8 1
processpl 840 943 0 910 4 0 4 4 0 8 0
procpl 600 2310 0 2266 4 0 4 4 0 8 0
sosppl 128 9 0 9 2 1 1 1 0 8 1
sockpl 384 880 0 859 3 0 3 3 0 8 0
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 4 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 7 0 0 1 0 1 1 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 123 0 0 15 0 15 15 0 8 0
mtagpl 80 1 0 0 1 0 1 1 0 8 0
mbufpl 256 195 0 0 10 1 9 9 0 8 0
bufpl 256 6791 0 1046 360 0 360 360 0 8 0
anonpl 16 97351 0 88483 72 14 58 69 0 125 20
amapchunkpl 152 4286 0 4197 6 1 5 5 0 158 0
amappl16 192 4154 0 3686 56 31 25 48 0 8 1
amappl15 184 362 0 357 1 0 1 1 0 8 0
amappl14 176 386 0 378 1 0 1 1 0 8 0
amappl13 168 29 0 25 1 0 1 1 0 8 0
amappl12 160 362 0 360 2 1 1 1 0 8 0
amappl11 152 565 0 551 1 0 1 1 0 8 0
amappl10 144 67 0 62 1 0 1 1 0 8 0
amappl9 136 726 0 721 1 0 1 1 0 8 0
amappl8 128 484 0 466 1 0 1 1 0 8 0
amappl7 120 27 0 24 1 0 1 1 0 8 0
amappl6 112 55 0 49 1 0 1 1 0 8 0
amappl5 104 112 0 98 1 0 1 1 0 8 0
amappl4 96 325 0 301 2 1 1 2 0 8 0
amappl3 88 147 0 141 1 0 1 1 0 8 0
amappl2 80 7804 0 7737 2 0 2 2 0 8 0
amappl1 72 28316 0 27858 24 14 10 19 0 8 0
amappl 72 2542 0 2506 1 0 1 1 0 75 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma64 64 259 0 259 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 17 0 17 1 1 0 1 0 8 0
aobjpl 64 28 0 6 1 0 1 1 0 8 0
uaddrrnd 24 927 0 910 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 927 0 910 1 0 1 1 0 8 0
vmmpekpl 168 11163 0 11141 2 0 2 2 0 8 0
vmmpepl 168 103478 0 101920 109 31 78 89 0 357 10
vmsppl 360 926 0 910 2 0 2 2 0 8 0
pdppl 4096 1862 0 1820 6 0 6 6 0 8 0
pvpl 32 294832 0 282721 172 21 151 164 0 265 51
pmappl 224 926 0 910 2 1 1 2 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 513 0 5 15 0 15 15 0 8 0