Warning: Permanently added '10.128.0.181' (ED25519) to the list of known hosts.
executing program
uvm_fault(0xfffffd806ef55738, 0x668, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at pppacopen+0x1b5: movq %r13,0x668
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*231171 37710 0 0x2 0 0K syz-executor5043
pppacopen(86353,1,2000,ffff8000ffff6550) at pppacopen+0x1b5
spec_open(ffff8000211b1dc8) at spec_open+0x3d7
VOP_OPEN(fffffd806d68a5b0,1,fffffd807f7d7840,ffff8000ffff6550) at VOP_OPEN+0x75
vn_open(ffff8000211b2018,1,0) at vn_open+0x467
doopenat(ffff8000ffff6550,ffffff9c,20000780,0,0,ffff8000211b2200) at doopenat+0x26a
syscall(ffff8000211b2270) at syscall+0x489
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc29c0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xfffffd806ef55738, 0x668, 0, 2) -> e
ddb{0}> trace
pppacopen(86353,1,2000,ffff8000ffff6550) at pppacopen+0x1b5
spec_open(ffff8000211b1dc8) at spec_open+0x3d7
VOP_OPEN(fffffd806d68a5b0,1,fffffd807f7d7840,ffff8000ffff6550) at VOP_OPEN+0x75
vn_open(ffff8000211b2018,1,0) at vn_open+0x467
doopenat(ffff8000ffff6550,ffffff9c,20000780,0,0,ffff8000211b2200) at doopenat+0x26a
syscall(ffff8000211b2270) at syscall+0x489
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc29c0, count: -7
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff8000211b1d40
rbx 0
rdx 0
rcx 0
rax 0xffff800000b36800
r8 0x770
r9 0xfffffd807f7d7840
r10 0x648a2b2c22a0b738
r11 0x934cfb4310b5fa52
r12 0xfffffd806d68a5b0
r13 0
r14 0x86353 acpi_pdirpa+0x721bb
r15 0xffff8000211b1dc8
rip 0xffffffff81c79ee5 pppacopen+0x1b5
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000211b1cf0
ss 0x10
pppacopen+0x1b5: movq %r13,0x668
ddb{0}> show proc
PROC (syz-executor5043) pid=231171 stat=onproc
flags process=2<EXEC> proc=0
pri=17, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff6fd0,0xffffffff8293ceb0
process=0xffff80002120b618 user=0xffff8000211ad000, vmspace=0xfffffd806ef55738
estcpu=1, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*37710 231171 38473 0 7 0x2 syz-executor5043
38473 267896 23173 0 3 0x10008a sigsusp ksh
23173 473968 12663 0 3 0x9a poll sshd
56793 482118 1 0 3 0x100083 ttyin getty
12663 314323 1 0 3 0x88 poll sshd
55168 313567 25683 74 3 0x100092 bpf pflogd
25683 11693 1 0 3 0x80 netio pflogd
88159 494802 56785 73 3 0x100090 kqread syslogd
56785 408966 1 0 3 0x100082 netio syslogd
82865 157892 1 0 3 0x100080 kqread resolvd
89508 68741 34757 77 3 0x100092 kqread dhcpleased
19497 45227 34757 77 3 0x100092 kqread dhcpleased
34757 183602 1 0 3 0x80 kqread dhcpleased
38074 509103 0 0 3 0x14200 bored smr
7534 158765 0 0 3 0x14200 pgzero zerothread
55302 130759 0 0 3 0x14200 aiodoned aiodoned
6193 514109 0 0 3 0x14200 syncer update
90691 19723 0 0 3 0x14200 cleaner cleaner
75737 212195 0 0 3 0x14200 reaper reaper
87945 225800 0 0 3 0x14200 pgdaemon pagedaemon
25259 37340 0 0 3 0x14200 bored viomb
46652 37225 0 0 3 0x40014200 acpi0 acpi0
43179 315791 0 0 7 0x40014200 idle1
10798 128319 0 0 3 0x14200 bored softnet
9431 36216 0 0 3 0x14200 bored systqmp
88672 180063 0 0 3 0x14200 bored systq
93070 496954 0 0 3 0x40014200 bored softclock
88342 176607 0 0 3 0x40014200 idle0
1 34661 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 37710 (syz-executor5043) thread 0xffff8000ffff6550 (231171)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828f9c10)
#0 witness_lock+0x44d
#1 syscall+0x3ef
#2 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10145 6456K 6456K 78643K 11235 0
pcb 13 8K 8K 78643K 13 0
rtable 62 2K 2K 78643K 112 0
ifaddr 29 8K 8K 78643K 30 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1479 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1180 74K 74K 78643K 1185 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 1 0K 0K 78643K 1 0
proc 67 87K 87K 78643K 281 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 344 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 83 3K 5K 78643K 1683 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 24 4186K 4249K 78643K 2971 0
kqueue 9 12K 12K 78643K 9 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 7 0 4 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 304 29 0 23 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 6 0 0 1 0 1 1 0 8 0
pfstkey 112 6 0 0 1 0 1 1 0 8 0
pfstate 320 6 0 0 1 0 1 1 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 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1407 0 23 87 0 87 87 0 8 0
ffsino 272 1407 0 23 93 0 93 93 0 8 0
nchpl 144 1573 0 39 57 0 57 57 0 8 0
uvmvnodes 80 1417 0 0 29 0 29 29 0 8 0
vnodes 224 1417 0 0 84 0 84 84 0 8 0
namei 1024 4098 0 4098 1 0 1 1 0 8 1
percpumem 16 32 0 0 1 0 1 1 0 8 0
scxspl 216 3468 0 3468 2 0 2 2 0 8 2
plimitpl 152 16 0 9 1 0 1 1 0 8 0
sigapl 424 249 0 220 4 0 4 4 0 8 0
knotepl 112 24 0 0 1 0 1 1 0 8 0
kqueuepl 216 5 0 0 1 0 1 1 0 8 0
pipepl 336 67 0 64 1 0 1 1 0 8 0
fdescpl 496 235 0 220 3 0 3 3 0 8 0
filepl 152 1064 0 1005 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 220 0 220 1 0 1 1 0 8 1
processpl 1064 249 0 220 3 0 3 3 0 8 0
procpl 672 249 0 220 3 0 3 3 0 8 0
sockpl 480 81 0 57 4 0 4 4 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 57 0 0 8 0 8 8 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 105 0 0 7 0 7 7 0 8 0
bufpl 288 1965 0 92 134 0 134 134 0 8 0
anonpl 24 34477 0 32150 17 2 15 17 0 186 0
amapchunkpl 152 2987 0 2841 7 0 7 7 0 158 0
amappl16 200 96 0 92 1 0 1 1 0 8 0
amappl13 176 18 0 17 1 0 1 1 0 8 0
amappl12 168 10 0 10 1 0 1 1 0 8 1
amappl11 160 45 0 31 1 0 1 1 0 8 0
amappl10 152 23 0 18 1 0 1 1 0 8 0
amappl9 144 438 0 436 1 0 1 1 0 8 0
amappl8 136 263 0 263 1 0 1 1 0 8 1
amappl7 128 48 0 45 1 0 1 1 0 8 0
amappl6 120 101 0 91 1 0 1 1 0 8 0
amappl5 112 199 0 183 1 0 1 1 0 8 0
amappl4 104 504 0 486 1 0 1 1 0 8 0
amappl3 96 140 0 126 1 0 1 1 0 8 0
amappl2 88 312 0 278 1 0 1 1 0 8 0
amappl1 80 7575 0 7194 9 0 9 9 0 8 0
amappl 88 1442 0 1376 2 0 2 2 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
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 24 235 0 220 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 235 0 220 1 0 1 1 0 8 0
vmmpekpl 168 5934 0 5917 1 0 1 1 0 8 0
vmmpepl 168 22789 0 21947 41 0 41 41 0 357 1
vmsppl 368 234 0 220 2 0 2 2 0 8 0
rwobjpl 56 8671 0 6698 29 0 29 29 0 8 0
pdppl 4096 478 0 440 50 12 38 44 0 8 0
pvpl 32 111292 0 107168 37 0 37 37 0 265 2
pmappl 248 234 0 220 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 401 0 15 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pppacopen(86353,1,2000,ffff8000ffff6550) at pppacopen+0x1b5
spec_open(ffff8000211b1dc8) at spec_open+0x3d7
VOP_OPEN(fffffd806d68a5b0,1,fffffd807f7d7840,ffff8000ffff6550) at VOP_OPEN+0x75
vn_open(ffff8000211b2018,1,0) at vn_open+0x467
doopenat(ffff8000ffff6550,ffffff9c,20000780,0,0,ffff8000211b2200) at doopenat+0x26a
syscall(ffff8000211b2270) at syscall+0x489
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc29c0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a
x86_ipi_handler() at x86_ipi_handler+0xb7
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312
sched_idle(ffff800020d38ff0) at sched_idle+0x417
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a
x86_ipi_handler() at x86_ipi_handler+0xb7
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x312
sched_idle(ffff800020d38ff0) at sched_idle+0x417
end trace frame: 0x0, count: -5
ddb{1}>