U.}_3}
Ū4N doJc[_X^QGRQ?8VI {1ϣ}xNI4
VFLYo%U`irwq?5FX~?OUG0[uvm_fault(0xfffffd803f014bb0, 0x24, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at frag6_input+0x762: movl 0x24(%rax),%r14d
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f014bb0, 0x24, 0, 1) -> e
frag6_input(ffff80001595fbd8,ffff80001595fbe4,2c,18) at frag6_input+0x762 sys/netinet6/frag6.c:321
end trace frame: 0xffff80001595fa60, count: 0
ddb> trace
frag6_input(ffff80001595fbd8,ffff80001595fbe4,2c,18) at frag6_input+0x762 sys/netinet6/frag6.c:321
ip_deliver(ffff80001595fbd8,ffff80001595fbe4,2c,18) at ip_deliver+0x2e3 sys/netinet/ip_input.c:665
ip6_input_if(ffff80001595fbd8,ffff80001595fbe4,29,0,ffff80000069c000) at ip6_input_if+0x153a ip6_ours sys/netinet6/ip6_input.c:518 [inline]
ip6_input_if(ffff80001595fbd8,ffff80001595fbe4,29,0,ffff80000069c000) at ip6_input_if+0x153a sys/netinet6/ip6_input.c:340
ipv6_input(ffff80000069c000,fffffd803f030a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
if_input_local(ffff80000069c000,fffffd803f030a00,18) at if_input_local+0x121 sys/net/if.c:783
ip6_output(fffffd803f030b00,ffff800000a7b600,fffffd803700cd90,0,0,fffffd803700cd20) at ip6_output+0xd35
rip6_output(fffffd803f030b00,fffffd803700dc00,ffff80001595ff48,0) at rip6_output+0x4d7 sys/netinet6/raw_ip6.c:481
rip6_usrreq(fffffd803700dc00,9,fffffd803f030b00,0,0,ffff8000ffff2780) at rip6_usrreq+0x5cd sys/netinet6/raw_ip6.c:670
sosend(fffffd803700dc00,0,ffff800015960178,0,0,0) at sosend+0x660 sys/kern/uipc_socket.c:524
dofilewritev(ffff8000ffff2780,3,ffff800015960178,0,ffff800015960280) at dofilewritev+0x1ac sys/kern/sys_generic.c:364
sys_write(ffff8000ffff2780,ffff800015960218,ffff800015960280) at sys_write+0x83 sys/kern/sys_generic.c:284
syscall(ffff8000159602e0) at syscall+0x508
Xsyscall(6,0,c,0,3,44c6adc8010) at Xsyscall+0x128
end of kernel
end trace frame: 0x44f11f05980, count: -13
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80001595f9e0
rbx 0x600
rdx 0
rcx 0
rax 0
r8 0x30
r9 0
r10 0xe28e8f57f5e1be29
r11 0xadf8ce0786008f0a
r12 0
r13 0xfffffd803ae09f48
r14 0xfffffd803ae09f58
r15 0xfffffd80384d5854
rip 0xffffffff818f50a2 frag6_input+0x762
cs 0x8
rflags 0x10206 __ALIGN_SIZE+0xf206
rsp 0xffff80001595f920
ss 0x10
frag6_input+0x762: movl 0x24(%rax),%r14d
ddb> show proc
PROC (syz-executor.0) pid=249470 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=81, usrpri=81, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff2018,0xffffffff8257f9f0
process=0xffff8000ffff6010 user=0xffff80001595b000, vmspace=0xfffffd803f014bb0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
76487 188346 41014 0 2 0 syz-executor.0
*76487 249470 41014 0 7 0x4000000 syz-executor.0
41014 427001 21361 0 3 0x82 nanosleep syz-executor.0
36105 513958 21361 0 2 0x2 syz-executor.1
2651 142318 1 0 3 0x100083 ttyin getty
24981 405467 0 0 3 0x14200 bored sosplice
21361 177485 9827 0 3 0x82 thrsleep syz-fuzzer
21361 223992 9827 0 3 0x4000082 nanosleep syz-fuzzer
21361 510920 9827 0 3 0x4000082 kqread syz-fuzzer
21361 32621 9827 0 3 0x4000082 thrsleep syz-fuzzer
21361 173659 9827 0 3 0x4000082 thrsleep syz-fuzzer
21361 323559 9827 0 3 0x4000082 thrsleep syz-fuzzer
21361 159439 9827 0 3 0x4000082 thrsleep syz-fuzzer
21361 162042 9827 0 3 0x4000082 thrsleep syz-fuzzer
9827 396414 45460 0 3 0x10008a pause ksh
45460 289121 7664 0 3 0x92 select sshd
7664 179011 1 0 3 0x80 select sshd
40052 344904 45680 73 3 0x100090 kqread syslogd
45680 50392 1 0 3 0x100082 netio syslogd
94323 27640 0 0 2 0x14200 zerothread
30017 511305 0 0 3 0x14200 aiodoned aiodoned
70985 336814 0 0 3 0x14200 syncer update
43074 522888 0 0 3 0x14200 cleaner cleaner
11624 415219 0 0 3 0x14200 reaper reaper
69014 299881 0 0 3 0x14200 pgdaemon pagedaemon
19716 134680 0 0 3 0x14200 bored crynlk
75950 54693 0 0 3 0x14200 bored crypto
63219 71791 0 0 3 0x40014200 acpi0 acpi0
51206 77277 0 0 3 0x14200 bored softnet
28969 210923 0 0 3 0x14200 bored systqmp
51389 510916 0 0 3 0x14200 bored systq
80573 253878 0 0 3 0x40014200 bored softclock
31048 291924 0 0 3 0x40014200 idle0
37551 82460 0 0 3 0x14200 bored smr
1 228747 0 0 3 0x82 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 Kern Lim
devbuf 9574 6332K 14912K 78643K 42728 0 0
pcb 14 8K 8K 78643K 1392 0 0
rtable 116 4K 5K 78643K 2617 0 0
ifaddr 79 22K 26K 78643K 1201 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 723 0 0
iov 0 0K 32K 78643K 1376 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1190 75K 77K 78643K 13113 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 177 0 0
VM map 2 0K 0K 78643K 16 0 0
sem 12 0K 0K 78643K 1362 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12645 0 0
file desc 5 13K 25K 78643K 12740 0 0
sigio 0 0K 0K 78643K 175 0 0
proc 42 30K 54K 78643K 3284 0 0
subproc 32 2K 2K 78643K 711 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 1142 0 0
in_multi 33 2K 2K 78643K 818 0 0
ether_multi 1 0K 0K 78643K 49 0 0
mrt 2 0K 0K 78643K 32 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 120 530K 530K 78643K 120 0 0
exec 0 0K 1K 78643K 1977 0 0
pfkey data 0 0K 0K 78643K 6 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 118 22K 32K 78643K 30957 0 0
UVM aobj 130 5K 5K 78643K 146 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 2 0K 1K 78643K 1444 0 0
NDP 19 0K 0K 78643K 379 0 0
temp 220 3536K 4176K 78643K 221875 0 0
kqueue 0 0K 0K 78643K 122 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 86 0 80 1 0 1 1 0 8 0
rtpcb 80 559 0 559 12 11 1 1 0 8 1
rtentry 112 494 0 449 2 0 2 2 0 8 0
unpcb 120 4451 0 4445 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 1337 0 1337 1 1 0 1 0 8 0
tcpcb 544 2331 0 2326 1 0 1 1 0 8 0
ipq 40 18 0 18 6 5 1 1 0 8 1
ipqe 40 42 0 42 6 5 1 1 0 8 1
inpcb 280 6853 0 6848 6 5 1 2 0 8 0
ip6q 72 6 0 5 4 3 1 1 0 8 0
ip6af 48 9 0 8 3 2 1 1 0 8 0
nd6 48 123 0 117 1 0 1 1 0 8 0
pkpcb 40 53 0 53 19 19 0 1 0 8 0
swfcl 56 7 0 0 1 0 1 1 0 8 0
ppxss 1128 191 0 191 42 41 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1991 0 1793 19 6 13 13 0 8 0
art_table 32 1992 0 1793 2 0 2 2 0 8 0
art_node 16 476 0 436 1 0 1 1 0 8 0
sysvmsgpl 40 34 0 30 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 1360 0 1350 1 0 1 1 0 8 0
shmpl 112 144 0 16 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 21310 0 19890 46 0 46 46 0 8 0
ffsino 240 21310 0 19890 84 0 84 84 0 8 0
nchpl 144 39049 0 37422 61 0 61 61 0 8 0
uvmvnodes 72 7989 0 0 146 0 146 146 0 8 0
vnodes 200 7989 0 0 421 0 421 421 0 8 0
namei 1024 129552 0 129552 7 6 1 1 0 8 1
vmpool 520 14 0 14 7 7 0 1 0 8 0
scsiplug 64 22 0 22 15 15 0 1 0 8 0
scxspl 192 123936 0 123936 46 44 2 7 0 8 2
plimitpl 152 1209 0 1203 1 0 1 1 0 8 0
sigapl 432 12804 0 12793 2 0 2 2 0 8 0
futexpl 56 212951 0 212951 9 8 1 1 0 8 1
knotepl 112 3100 0 3081 2 1 1 2 0 8 0
kqueuepl 104 2917 0 2915 1 0 1 1 0 8 0
pipepl 112 7406 0 7387 15 14 1 2 0 8 0
fdescpl 424 12805 0 12793 2 0 2 2 0 8 0
filepl 120 77836 0 77751 29 25 4 5 0 8 1
lockfpl 104 4552 0 4552 11 10 1 1 0 8 1
lockfspl 48 1500 0 1500 11 10 1 1 0 8 1
sessionpl 112 66 0 58 1 0 1 1 0 8 0
pgrppl 48 222 0 214 1 0 1 1 0 8 0
ucredpl 96 15038 0 15032 1 0 1 1 0 8 0
zombiepl 144 12797 0 12797 2 1 1 1 0 8 1
processpl 864 12824 0 12797 4 0 4 4 0 8 0
procpl 632 28201 0 28166 5 1 4 5 0 8 0
sosppl 128 133 0 133 34 33 1 1 0 8 1
sockpl 384 12087 0 12076 18 16 2 4 0 8 0
mcl64k 65536 3183 0 3183 305 296 9 33 0 8 9
mcl16k 16384 67 0 67 33 33 0 1 0 8 0
mcl12k 12288 254 0 254 37 37 0 1 0 8 0
mcl9k 9216 150 0 150 42 42 0 1 0 8 0
mcl8k 8192 232 0 232 39 38 1 1 0 8 1
mcl4k 4096 652 0 652 17 16 1 1 0 8 1
mcl2k2 2112 85 0 85 34 34 0 1 0 8 0
mcl2k 2048 79415 0 79363 31 24 7 14 0 8 0
mtagpl 80 375 0 371 3 2 1 1 0 8 0
mbufpl 256 189650 0 189549 150 142 8 24 0 8 0
bufpl 256 39439 0 31432 501 0 501 501 0 8 0
anonpl 16 1144457 0 1132179 340 281 59 101 0 62 0
amapchunkpl 152 54775 0 54646 91 84 7 35 0 158 0
amappl16 192 64897 0 64211 374 334 40 47 0 8 5
amappl15 184 3066 0 3066 5 5 0 1 0 8 0
amappl14 176 3575 0 3568 1 0 1 1 0 8 0
amappl13 168 674 0 674 9 9 0 1 0 8 0
amappl12 160 2112 0 2106 1 0 1 1 0 8 0
amappl11 152 1505 0 1501 1 0 1 1 0 8 0
amappl10 144 2086 0 2082 1 0 1 1 0 8 0
amappl9 136 2618 0 2612 1 0 1 1 0 8 0
amappl8 128 2065 0 2027 2 0 2 2 0 8 0
amappl7 120 2116 0 2111 1 0 1 1 0 8 0
amappl6 112 1424 0 1416 1 0 1 1 0 8 0
amappl5 104 2566 0 2559 1 0 1 1 0 8 0
amappl4 96 11396 0 11372 1 0 1 1 0 8 0
amappl3 88 5630 0 5619 1 0 1 1 0 8 0
amappl2 80 100648 0 100586 3 1 2 3 0 8 0
amappl1 72 230817 0 230445 25 16 9 19 0 8 0
amappl 80 29095 0 29055 3 1 2 2 0 84 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 64 145 0 16 3 0 3 3 0 8 0
uaddrrnd 24 12819 0 12793 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 12819 0 12793 1 0 1 1 0 8 0
vmmpekpl 168 78795 0 78765 2 0 2 2 0 8 0
vmmpepl 168 1490198 0 1488520 541 448 93 108 0 357 12
vmsppl 272 12804 0 12793 5 4 1 2 0 8 0
pdppl 4096 25644 0 25614 6 1 5 6 0 8 0
pvpl 32 3231614 0 3216290 816 672 144 335 0 265 8
pmappl 200 12818 0 12807 1 0 1 1 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 1204 0 568 20 0 20 20 0 8 0