uvm_fault(0xfffff2806bc95e78, 0x4030, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at in_pcbhash_insert+0x155: movq %rbx,0x30(%r13)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*183252 26506 0 0 0x4000000 0 syz-executor
in_pcbhash_insert(fffff2807320fb88) at in_pcbhash_insert+0x155 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800001606460,ffffffff83a60aa8,1) at in_pcballoc+0x23a sys/netinet/in_pcb.c:269
rip_attach(ffff800001606460,2f,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f sys/kern/uipc_socket.c:220
sys_socket(ffff80002f0b1ca0,ffff80003c91d540,ffff80003c91d490) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80003c91d540) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c91d540) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfca763f49c0, count: 8
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(0xfffff2806bc95e78, 0x4030, 0, 2) -> e
ddb> show kasan
No such command
ddb> trace
in_pcbhash_insert(fffff2807320fb88) at in_pcbhash_insert+0x155 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800001606460,ffffffff83a60aa8,1) at in_pcballoc+0x23a sys/netinet/in_pcb.c:269
rip_attach(ffff800001606460,2f,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f sys/kern/uipc_socket.c:220
sys_socket(ffff80002f0b1ca0,ffff80003c91d540,ffff80003c91d490) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80003c91d540) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c91d540) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfca763f49c0, count: -7
ddb> show registers
rdi 0xffff8000320b8000
rsi 0x41a
rbp 0xffff80003c91d2a0
rbx 0xfffff2807320fbb0
rdx 0xffff8000320b8000
rcx 0x419
rax 0xffffffff820f667c in_pcbhash_insert+0x14c
r8 0x30
r9 0
r10 0x2d554d1d3728d544
r11 0x4366de92556ff687
r12 0xffff800000c57220
r13 0x4000 __ALIGN_SIZE+0x3000
r14 0xfffff2807320fb88
r15 0xffffffff83a60aa8 rawcbtable
rip 0xffffffff820f6685 in_pcbhash_insert+0x155
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c91d210
ss 0x10
in_pcbhash_insert+0x155: movq %rbx,0x30(%r13)
ddb> show proc
PROC (syz-executor) tid=183252 pid=26506 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=50, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002f0b14d8,0xffffffff839bd430
process=0xffff800045ff9218 user=0xffff80003c918000, vmspace=0xfffff2806bc95e78
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
26506 274934 38120 0 2 0 0 syz-executor
*26506 183252 38120 0 7 0 0x4000000 syz-executor
3983 205541 1007 0 2 0 0 syz-executor
3983 230540 1007 0 3 0 0x4000080 nanoslp syz-executor
52901 255814 74555 0 3 0 0x80 nanoslp syz-executor
52901 269639 74555 0 3 0 0x4000080 kqsel syz-executor
52901 116758 74555 0 3 0 0x4000080 fsleep syz-executor
52195 275307 83982 0 3 0 0x80 nanoslp syz-executor
52195 129241 83982 0 3 0 0x4000080 rest syz-executor
52195 353418 83982 0 3 0 0x4000080 fsleep syz-executor
4406 272127 38163 0 3 0x1000000 0x80 nanoslp syz-executor
4406 58707 38163 0 3 0x1000000 0x4000080 sbwait syz-executor
4406 173517 38163 0 3 0x1000000 0x4000080 fsleep syz-executor
59582 196270 12800 0 3 0 0x80 nanoslp syz-executor
59582 323359 12800 0 3 0 0x4000080 lockf syz-executor
59582 433888 12800 0 3 0 0x4000080 fsleep syz-executor
59582 317436 12800 0 3 0 0x4000080 fsleep syz-executor
18652 441054 72721 0 3 0 0x80 nanoslp syz-executor
18652 262991 72721 0 3 0 0x4000080 semwait syz-executor
18652 178854 72721 0 3 0 0x4000080 fsleep syz-executor
18652 362125 72721 0 3 0 0x4000080 fsleep syz-executor
72721 239130 3103 0 3 0x2 0x80 nanoslp syz-executor
44623 40168 3103 0 3 0x2 0x80 nanoslp syz-executor
83982 289209 3103 0 3 0x2 0x80 nanoslp syz-executor
38120 120581 3103 0 3 0x2 0x80 nanoslp syz-executor
1007 483513 3103 0 3 0x2 0x80 nanoslp syz-executor
38163 388248 3103 0 3 0x2 0x80 nanoslp syz-executor
12800 467784 3103 0 3 0x2 0x80 nanoslp syz-executor
74555 431433 3103 0 3 0x2 0x80 nanoslp syz-executor
3103 115076 8423 0 3 0x2 0x80 kqread syz-executor
8423 216935 51875 0 3 0x100002 0x88 sigsusp ksh
51875 29553 42233 0 3 0x10 0x88 kqread sshd-session
42233 174732 38904 0 3 0x12 0x80 kqread sshd-session
75328 244983 1 0 3 0x100003 0x80 ttyin getty
38904 494314 1 0 3 0 0x88 kqread sshd
41840 409439 9916 73 3 0x1100010 0x80 kqread syslogd
9916 112723 1 0 3 0x100002 0x80 sbwait syslogd
89054 448297 1 0 3 0x100000 0x80 kqread resolvd
52228 16509 35927 77 3 0x100012 0x80 kqread dhcpleased
22360 470423 35927 77 3 0x100012 0x80 kqread dhcpleased
35927 356955 1 0 3 0 0x80 kqread dhcpleased
36667 138520 0 0 3 0x14000 0x200 bored smr
77680 486544 0 0 2 0x14000 0x200 zerothread
83706 204221 0 0 3 0x14000 0x200 aiodoned aiodoned
30120 376729 0 0 3 0x14000 0x200 syncer update
44361 393663 0 0 3 0x14000 0x200 cleaner cleaner
80425 295582 0 0 3 0x14000 0x200 reaper reaper
5299 96214 0 0 3 0x14000 0x200 pgdaemon pagedaemon
87404 142474 0 0 3 0x14000 0x200 bored viomb
73997 149707 0 0 3 0x14000 0x40000200 acpi0 acpi0
82266 142228 0 0 3 0x14000 0x200 bored softnet0
15364 33197 0 0 3 0x14000 0x200 smrbar systqmp
70722 433873 0 0 3 0x14000 0x200 bored systq
6674 427963 0 0 3 0x14000 0x40000200 tmoslp softclock
45813 272500 0 0 3 0x14000 0x40000200 idle0
1 25736 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 11037 12176K 12319K 166960K 12153 0
pcb 17 12K 12K 166960K 26 0
rtable 223 6K 6K 166960K 376 0
pf 34 13K 19K 166960K 45 0
ifaddr 41 6K 6K 166960K 46 0
ifgroup 56 2K 2K 166960K 56 0
sysctl 3 1K 9K 166960K 7 0
counters 35 18K 18K 166960K 35 0
ioctlops 0 0K 4K 166960K 37 0
iov 0 0K 16K 166960K 6 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1328 84K 84K 166960K 1412 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 4 0K 0K 166960K 6 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 18 65K 97K 166960K 173 0
proc 59 59K 124K 166960K 501 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 7 0
in_multi 88 6K 6K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 5 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 368 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 237 159K 168K 166960K 3293 0
UVM aobj 5 2K 2K 166960K 5 0
pinsyscall 39 78K 96K 166960K 1283 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 2 0
NDP 27 1K 1K 166960K 29 0
temp 36 9106K 9178K 166960K 3842 0
kqueue 13 20K 22K 166960K 34 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 136 114 0 14 4 0 4 4 0 8 0
unpcb 144 61 0 42 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpcb 736 14 0 9 1 0 1 1 0 8 0
arp 96 18 0 2 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 3 0 1 1 0 1 1 0 8 0
inpcb 328 89 0 80 2 0 2 2 0 8 1
nd6 112 25 0 3 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 1 0 0 1 0 1 1 0 8 0
pfanchor 1288 3 0 0 1 0 1 1 0 8 0
pfrule 1360 1 0 1 1 0 1 1 0 8 1
rttmr 136 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 467 0 44 29 0 29 29 0 8 2
art_table 40 468 0 44 5 0 5 5 0 8 0
art_node 32 114 0 20 1 0 1 1 0 8 0
semapl 72 1 0 0 1 0 1 1 0 8 0
shmpl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1615 0 152 92 0 92 92 0 8 0
ffsino 256 1615 0 152 92 0 92 92 0 8 0
nchpl 144 1851 0 157 63 0 63 63 0 8 0
vnodes 216 1743 0 0 97 0 97 97 0 8 0
namei 1024 5510 0 5510 2 0 2 2 0 8 2
kstatmem 264 27 0 0 2 0 2 2 0 8 0
scxspl 216 6215 0 6215 4 0 4 4 1 8 4
plimitpl 152 29 0 13 1 0 1 1 0 8 0
sigapl 424 471 0 428 6 0 6 6 0 8 1
knotepl 120 4588 0 4541 10 0 10 10 0 8 8
kqueuepl 184 33 0 23 1 0 1 1 0 8 0
pipepl 304 124 0 97 3 0 3 3 0 8 0
fdescpl 448 458 0 428 5 0 5 5 0 8 1
filepl 120 1632 0 1385 8 0 8 8 0 8 0
lockfpl 104 18 0 14 1 0 1 1 0 8 0
lockfspl 48 8 0 5 1 0 1 1 0 8 0
sessionpl 144 27 0 19 1 0 1 1 0 8 0
pgrppl 48 38 0 21 1 0 1 1 0 8 0
ucredpl 104 109 0 98 1 0 1 1 0 8 0
zombiepl 144 429 0 428 1 0 1 1 0 8 0
processpl 1152 471 0 428 4 0 4 4 0 8 0
procpl 664 533 0 476 6 0 6 6 0 8 1
sockpl 552 189 0 157 3 0 3 3 0 8 0
mcl64k 65536 7 0 7 1 0 1 1 0 8 1
mcl16k 16384 6 0 6 1 0 1 1 0 8 1
mcl9k128 9344 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 5 0 5 1 0 1 1 0 8 1
mcl4k 4096 2524 0 2475 14 0 14 14 0 8 7
mcl2k 2048 149 0 144 1 0 1 1 0 8 0
mextrefs 64 60 0 56 1 0 1 1 0 8 0
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 4568 0 4417 10 0 10 10 0 8 0
bufpl 272 2280 0 103 146 0 146 146 0 8 0
anonpl 24 81929 0 78755 32 0 32 32 0 187 11
amapchunkpl 152 9060 0 8547 26 0 26 26 0 158 4
amappl16 200 1063 0 1043 4 0 4 4 0 8 2
amappl15 192 5 0 5 1 0 1 1 0 8 1
amappl14 184 417 0 416 1 0 1 1 0 8 0
amappl13 176 117 0 107 1 0 1 1 0 8 0
amappl12 168 710 0 681 2 0 2 2 0 8 0
amappl11 160 5 0 5 1 0 1 1 0 8 1
amappl10 152 86 0 76 1 0 1 1 0 8 0
amappl9 144 267 0 267 1 0 1 1 0 8 1
amappl8 136 94 0 93 1 0 1 1 0 8 0
amappl7 128 141 0 129 1 0 1 1 0 8 0
amappl6 120 146 0 145 1 0 1 1 0 8 0
amappl5 112 92 0 85 1 0 1 1 0 8 0
amappl4 104 262 0 247 1 0 1 1 0 8 0
amappl3 96 1614 0 1497 4 0 4 4 0 8 0
amappl2 88 534 0 479 2 0 2 2 0 8 0
amappl1 80 10325 0 9774 14 0 14 14 0 8 1
amappl 88 2589 0 2415 5 0 5 5 0 92 0
uvmvnodes 80 96 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 4 0 0 1 0 1 1 0 8 0
uaddrrnd 24 458 0 428 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 458 0 428 1 0 1 1 0 8 0
vmmpekpl 168 5618 0 5588 2 0 2 2 0 8 0
vmmpepl 168 38041 0 36225 81 0 81 81 0 357 1
vmsppl 368 457 0 428 4 0 4 4 0 8 1
rwobjpl 40 13854 0 12905 11 0 11 11 0 8 0
pdppl 4096 922 0 856 96 14 82 82 0 8 16
pvpl 32 213145 0 204596 91 0 91 91 0 265 19
pmappl 216 457 0 428 3 0 3 3 0 8 1
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 504 0 14 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
in_pcbhash_insert(fffff2807320fb88) at in_pcbhash_insert+0x155 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800001606460,ffffffff83a60aa8,1) at in_pcballoc+0x23a sys/netinet/in_pcb.c:269
rip_attach(ffff800001606460,2f,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f sys/kern/uipc_socket.c:220
sys_socket(ffff80002f0b1ca0,ffff80003c91d540,ffff80003c91d490) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80003c91d540) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c91d540) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfca763f49c0, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
in_pcbhash_insert(fffff2807320fb88) at in_pcbhash_insert+0x155 sys/netinet/in_pcb.c:1096
in_pcballoc(ffff800001606460,ffffffff83a60aa8,1) at in_pcballoc+0x23a sys/netinet/in_pcb.c:269
rip_attach(ffff800001606460,2f,1) at rip_attach+0x117 sys/netinet/raw_ip.c:489
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f pru_attach sys/sys/protosw.h:275 [inline]
socreate(2,ffff80003c91d400,3,2f) at socreate+0x22f sys/kern/uipc_socket.c:220
sys_socket(ffff80002f0b1ca0,ffff80003c91d540,ffff80003c91d490) at sys_socket+0x124 sys/kern/uipc_syscalls.c:102
syscall(ffff80003c91d540) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c91d540) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfca763f49c0, count: -7