uvm_fault(0xffffffff828177b0, 0xa, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffffff828177b0, 0xa, 0, 1) -> e
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
end trace frame: 0xffff80001d65e970, count: 0
ddb> trace
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056
virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228
intr_handler(ffff80001d65ea20,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f
acpicpu_idle() at acpicpu_idle+0x322 sys/dev/acpi/acpicpu.c:1187
sched_idle(ffffffff8273fff0) at sched_idle+0x2ba sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -7
ddb> show registers
rdi 0xc
rsi 0xc
rbp 0xffff80001d65e910
rbx 0xffff80000017a000
rdx 0
rcx 0xffff8000001ab000
rax 0
r8 0x2
r9 0
r10 0
r11 0x81ed7fccd5274cfc
r12 0xffff80000002ea00
r13 0xc
r14 0xfffffd805caf2100
r15 0
rip 0xffffffff816ac111 vio_rxeof+0x191
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80001d65e880
ss 0x10
vio_rxeof+0x191: movzwl 0xa(%r15),%eax
ddb> show proc
PROC (idle0) pid=367586 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
pri=0, usrpri=50, nice=20
forw=0x2fe9bccd99ebe798, list=0xffff8000fffffb28,0xffff8000ffffeee0
process=0xffff8000ffffcec0 user=0xffff80001d659000, vmspace=0xffffffff828177b0
estcpu=0, cpticks=3903, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
34997 194747 0 0 3 0x14280 nfsidl nfsio
52861 455823 0 0 3 0x14280 nfsidl nfsio
15585 492999 0 0 3 0x14280 nfsidl nfsio
35102 402193 0 0 3 0x14280 nfsidl nfsio
49118 28477 0 0 3 0x14280 nfsidl nfsio
21490 359913 0 0 3 0x14280 nfsidl nfsio
47804 369657 0 0 3 0x14280 nfsidl nfsio
25296 90442 0 0 3 0x14280 nfsidl nfsio
11507 242823 0 0 3 0x14280 nfsidl nfsio
9463 61056 0 0 3 0x14280 nfsidl nfsio
73277 33297 0 0 3 0x14280 nfsidl nfsio
62888 185039 0 0 3 0x14280 nfsidl nfsio
28510 114418 0 0 3 0x14280 nfsidl nfsio
3132 32665 0 0 3 0x14280 nfsidl nfsio
92189 447519 0 0 3 0x14280 nfsidl nfsio
94964 162429 0 0 3 0x14280 nfsidl nfsio
20429 382544 0 0 3 0x14280 nfsidl nfsio
45739 165810 0 0 3 0x14280 nfsidl nfsio
5351 435871 0 0 3 0x14280 nfsidl nfsio
57170 246953 0 0 3 0x14280 nfsidl nfsio
21934 78059 1 0 3 0x100083 ttyin getty
32560 166242 97035 0 3 0x2 biowait syz-executor.0
36805 250474 97035 0 3 0x2 biowait syz-executor.1
97035 106939 24095 0 3 0x82 kqread syz-fuzzer
97035 85797 24095 0 3 0x4000082 nanosleep syz-fuzzer
97035 249628 24095 0 3 0x4000082 thrsleep syz-fuzzer
97035 50630 24095 0 3 0x4000082 thrsleep syz-fuzzer
97035 488673 24095 0 3 0x4000082 thrsleep syz-fuzzer
97035 466420 24095 0 3 0x4000082 thrsleep syz-fuzzer
24095 477457 66919 0 3 0x10008a pause ksh
66919 496805 61497 0 3 0x92 select sshd
61497 9901 1 0 3 0x80 select sshd
68468 310764 3281 73 3 0x100090 kqread syslogd
3281 204497 1 0 3 0x100082 netio syslogd
26341 190177 1 77 3 0x100090 poll dhclient
95589 110264 1 0 3 0x80 poll dhclient
56928 358000 0 0 3 0x14200 bored smr
1050 477480 0 0 3 0x14200 pgzero zerothread
29026 515099 0 0 3 0x14200 aiodoned aiodoned
78361 344491 0 0 3 0x14200 syncer update
22816 331609 0 0 3 0x14200 cleaner cleaner
66661 116013 0 0 3 0x14200 reaper reaper
61091 164043 0 0 3 0x14200 pgdaemon pagedaemon
79300 64452 0 0 3 0x14200 bored crynlk
40226 109638 0 0 3 0x14200 bored crypto
22441 226872 0 0 3 0x40014200 acpi0 acpi0
57836 191428 0 0 3 0x14200 bored softnet
97292 34565 0 0 3 0x14200 bored systqmp
9529 35174 0 0 3 0x14200 bored systq
73176 202730 0 0 3 0x40014200 bored softclock
*87768 367586 0 0 7 0x40014200 idle0
1 254725 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
devbuf 9484 6339K 7237K 78643K 11974 0
pcb 13 8K 8K 78643K 75 0
rtable 122 7K 9K 78643K 409 0
ifaddr 69 14K 16K 78643K 152 0
sysctl 2 0K 0K 78643K 2 0
counters 21 16K 17K 78643K 30 0
ioctlops 0 0K 4K 78643K 81 0
iov 0 0K 16K 78643K 42 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1573 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 6 0
VM map 2 0K 0K 78643K 2 0
sem 12 1K 1K 78643K 54 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 4 9K 25K 78643K 374 0
sigio 0 0K 0K 78643K 4 0
proc 49 38K 63K 78643K 381 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 24 0
in_multi 43 2K 3K 78643K 128 0
ether_multi 1 0K 0K 78643K 10 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 210 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 133 25K 46K 78643K 1710 0
UVM aobj 13 2K 2K 78643K 13 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 50 0
NDP 10 0K 0K 78643K 34 0
temp 95 3856K 3920K 78643K 9160 0
kqueue 3 4K 16K 78643K 20 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 6 0 0 1 0 1 1 0 8 0
rtpcb 88 39 0 37 1 0 1 1 0 8 0
rtentry 112 71 0 29 2 0 2 2 0 8 0
unpcb 120 275 0 267 1 0 1 1 0 8 0
syncache 272 12 0 12 3 2 1 1 0 8 1
tcpqe 32 150 0 150 2 2 0 1 0 8 0
tcpcb 592 130 0 125 3 1 2 3 0 8 1
ipq 40 3 0 2 1 0 1 1 0 8 0
ipqe 40 6 0 5 1 0 1 1 0 8 0
inpcb 296 422 0 414 2 0 2 2 0 8 1
nd6 48 21 0 16 1 0 1 1 0 8 0
ppxss 1136 1 0 1 1 1 0 1 0 8 0
pfstscr 40 2 0 1 1 0 1 1 0 8 0
pfosfp 40 1 0 0 1 0 1 1 0 8 0
pfosfpen 112 1 0 0 1 0 1 1 0 8 0
pfrktable 1344 38 0 30 2 1 1 2 0 8 0
pftag 88 4 0 4 1 1 0 1 0 8 0
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 112 4 0 2 1 0 1 1 0 8 0
pfstate 328 2 0 1 1 0 1 1 0 8 0
pfrule 1360 22 0 12 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 290 0 104 13 0 13 13 0 8 0
art_table 32 291 0 104 2 0 2 2 0 8 0
art_node 16 70 0 31 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 44 0 34 1 0 1 1 0 8 0
shmpl 112 10 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1893 0 498 88 0 88 88 0 8 0
ffsino 240 1893 0 498 83 0 83 83 0 8 0
nchpl 144 2740 0 1138 60 0 60 60 0 8 0
uvmvnodes 72 2240 0 0 41 0 41 41 0 8 0
vnodes 208 2240 0 0 118 0 118 118 0 8 0
namei 1024 7178 0 7176 1 0 1 1 0 8 0
vmpool 528 1 0 1 1 1 0 1 0 8 0
pfiaddrpl 120 18 0 10 1 0 1 1 0 8 0
scxspl 200 7755 0 7753 1 0 1 1 0 8 0
plimitpl 152 27 0 20 1 0 1 1 0 8 0
sigapl 424 581 0 534 6 0 6 6 0 8 0
futexpl 56 7187 0 7187 1 0 1 1 0 8 1
knotepl 112 80 0 60 1 0 1 1 0 8 0
kqueuepl 152 40 0 38 1 0 1 1 0 8 0
pipepl 272 125 0 114 2 1 1 2 0 8 0
fdescpl 432 547 0 534 2 0 2 2 0 8 0
filepl 120 3346 0 3249 4 0 4 4 0 8 0
lockfpl 104 88 0 87 1 0 1 1 0 8 0
lockfspl 48 35 0 34 1 0 1 1 0 8 0
sessionpl 120 18 0 8 1 0 1 1 0 8 0
pgrppl 48 24 0 14 1 0 1 1 0 8 0
ucredpl 96 190 0 183 1 0 1 1 0 8 0
zombiepl 144 534 0 534 1 0 1 1 0 8 1
processpl 944 581 0 534 7 0 7 7 0 8 0
procpl 632 1003 0 951 6 1 5 6 0 8 0
sockpl 400 738 0 720 4 1 3 4 0 8 1
mcl64k 65536 13 0 13 2 1 1 1 0 8 1
mcl16k 16384 2 0 2 1 1 0 1 0 8 0
mcl12k 12288 10 0 10 2 1 1 1 0 8 1
mcl9k 9216 2 0 2 1 1 0 1 0 8 0
mcl8k 8192 6 0 6 1 0 1 1 0 8 1
mcl4k 4096 29 0 29 2 2 0 1 0 8 0
mcl2k2 2112 1 0 1 1 1 0 1 0 8 0
mcl2k 2048 91159 0 91102 17 9 8 15 0 8 0
mtagpl 96 42 0 4 2 1 1 1 0 8 0
mbufpl 256 146624 0 146344 22 3 19 19 0 8 0
bufpl 280 3972 0 117 276 0 276 276 0 8 0
anonpl 16 60651 0 43032 74 2 72 72 0 107 0
amapchunkpl 152 3470 0 3278 24 6 18 22 0 158 10
amappl16 192 2502 0 1577 47 0 47 47 0 8 0
amappl15 184 2 0 0 1 0 1 1 0 8 0
amappl14 176 170 0 168 1 0 1 1 0 8 0
amappl13 168 26 0 23 1 0 1 1 0 8 0
amappl12 160 22 0 20 1 0 1 1 0 8 0
amappl11 152 213 0 203 1 0 1 1 0 8 0
amappl10 144 14 0 10 1 0 1 1 0 8 0
amappl9 136 359 0 358 1 0 1 1 0 8 0
amappl8 128 303 0 267 2 0 2 2 0 8 0
amappl7 120 111 0 98 1 0 1 1 0 8 0
amappl6 112 30 0 24 1 0 1 1 0 8 0
amappl5 104 308 0 297 1 0 1 1 0 8 0
amappl4 96 601 0 572 1 0 1 1 0 8 0
amappl3 88 305 0 295 1 0 1 1 0 8 0
amappl2 80 3571 0 3513 2 0 2 2 0 8 0
amappl1 72 21136 0 20738 24 15 9 17 0 8 0
amappl 80 1227 0 1173 2 0 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
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 64 12 0 0 1 0 1 1 0 8 0
uaddrrnd 24 548 0 535 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 548 0 535 1 0 1 1 0 8 0
vmmpekpl 168 7289 0 7263 2 0 2 2 0 8 0
vmmpepl 168 72579 0 70657 122 27 95 114 0 357 6
vmsppl 272 547 0 535 2 1 1 2 0 8 0
pdppl 4096 1102 0 1070 6 1 5 6 0 8 0
pvpl 32 196238 0 175624 175 2 173 173 0 265 4
pmappl 200 547 0 535 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 254 0 24 7 0 7 7 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056
virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228
intr_handler(ffff80001d65ea20,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f
acpicpu_idle() at acpicpu_idle+0x322 sys/dev/acpi/acpicpu.c:1187
sched_idle(ffffffff8273fff0) at sched_idle+0x2ba sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056
virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228
intr_handler(ffff80001d65ea20,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f
acpicpu_idle() at acpicpu_idle+0x322 sys/dev/acpi/acpicpu.c:1187
sched_idle(ffffffff8273fff0) at sched_idle+0x2ba sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -7