uvm_fault(0xffffee006cfb6468, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
dt_ioctl_record_stop(ffff80000159d780) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800037cdb420) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(ffffee006666a648,81,ffffee0007ffd750,ffff80002a774548) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(ffffee006d191168,ffff80002a774548) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(ffffee006d191168,ffff80002a774548) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a774548) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a774548,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a774548,ffff800037cdb780,ffff800037cdb6d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800037cdb780) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800037cdb780) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c12fb722020, count: 3
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(0xffffee006cfb6468, 0x0, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
dt_ioctl_record_stop(ffff80000159d780) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800037cdb420) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(ffffee006666a648,81,ffffee0007ffd750,ffff80002a774548) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(ffffee006d191168,ffff80002a774548) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(ffffee006d191168,ffff80002a774548) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a774548) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a774548,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a774548,ffff800037cdb780,ffff800037cdb6d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800037cdb780) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800037cdb780) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c12fb722020, count: -12
ddb> show registers
rdi 0
rsi 0
rbp 0xffff800037cdb350
rbx 0x1
rdx 0
rcx 0xffff80002a774548
rax 0xffffffff8390d098 dt_prov_syscall
r8 0
r9 0
r10 0x1b254541e9a6ff72
r11 0xeaef5e651a7ec42d
r12 0
r13 0
r14 0
r15 0xffff8000015a9400
rip 0xffffffff830795e8 dt_ioctl_record_stop+0x108
cs 0x8
rflags 0x10207 __ALIGN_SIZE+0xf207
rsp 0xffff800037cdb320
ss 0
dt_ioctl_record_stop+0x108: movq 0(%r14),%r14
ddb> show proc
PROC (syz-executor) tid=285676 pid=48980 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=74, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a774548 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80002a7742b0,0xffff80002a775a18
process=0xffff80003a4ca8e0 user=0xffff800037cd6000, vmspace=0xffffee006cfb6468
estcpu=24, cpticks=4, pctcpu=0.4, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
12240 155820 83227 0 2 0 0 syz-executor
12240 224839 83227 0 2 0 0x4000000 syz-executor
12240 480274 83227 0 2 0 0x4000000 syz-executor
70820 194576 36651 0 2 0 0 syz-executor
70820 15721 36651 0 3 0 0x4000080 fsleep syz-executor
36551 327895 50609 0 2 0 0 syz-executor
36551 274954 50609 0 2 0 0x4000000 syz-executor
90475 253317 79095 0 2 0 0 syz-executor
90475 410563 79095 0 3 0 0x4000080 fsleep syz-executor
90475 25112 79095 0 2 0 0x4000000 syz-executor
83227 300662 87489 0 3 0x2 0x80 nanoslp syz-executor
36651 122021 87489 0 3 0x2 0x80 nanoslp syz-executor
12290 69321 87489 0 3 0x2 0x80 nanoslp syz-executor
50609 176489 87489 0 3 0x2 0x80 nanoslp syz-executor
79095 32594 87489 0 3 0x2 0x80 nanoslp syz-executor
26063 153605 87489 0 3 0x2 0x80 nanoslp syz-executor
61912 52192 87489 0 2 0x2 0 syz-executor
87489 243806 13282 0 3 0x2 0x80 wait syz-executor
13282 174707 92055 0 3 0x100002 0x88 sigsusp ksh
92055 30805 24378 0 3 0x10 0x88 kqread sshd-session
24378 404132 55313 0 3 0x12 0x80 kqread sshd-session
52152 35891 1 0 3 0x100003 0x80 ttyin getty
55313 13548 1 0 3 0 0x88 kqread sshd
99626 277566 32076 73 2 0x1100010 0 syslogd
32076 481516 1 0 3 0x100002 0x80 sbwait syslogd
43065 120196 1 0 3 0x100000 0x80 kqread resolvd
4632 111453 51611 77 3 0x100012 0x80 kqread dhcpleased
21350 484237 51611 77 3 0x100012 0x80 kqread dhcpleased
51611 118810 1 0 3 0 0x80 kqread dhcpleased
26685 300357 0 0 3 0x14000 0x200 bored smr
45622 231750 0 0 2 0x14000 0x200 zerothread
43948 329575 0 0 3 0x14000 0x200 aiodoned aiodoned
23397 107473 0 0 3 0x14000 0x200 syncer update
81764 479182 0 0 3 0x14000 0x200 cleaner cleaner
46808 147367 0 0 2 0x14000 0x200 reaper
46718 471149 0 0 3 0x14000 0x200 pgdaemon pagedaemon
96965 150089 0 0 3 0x14000 0x200 bored viomb
42368 102832 0 0 3 0x14000 0x40000200 acpi0 acpi0
56437 358154 0 0 3 0x14000 0x200 bored softnet0
67624 302472 0 0 3 0x14000 0x200 bored systqmp
41904 371511 0 0 3 0x14000 0x200 bored systq
80394 96244 0 0 3 0x14000 0x40000200 tmoslp softclock
95369 16670 0 0 3 0x14000 0x40000200 idle0
1 111436 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 11038 12128K 12151K 166960K 12184 0
pcb 18 14K 15K 166960K 44 0
rtable 248 7K 8K 166960K 469 0
pf 31 13K 17K 166960K 48 0
ifaddr 42 7K 7K 166960K 57 0
ifgroup 50 2K 2K 166960K 64 0
sysctl 3 1K 9K 166960K 9 0
counters 33 17K 18K 166960K 39 0
ioctlops 0 0K 4K 166960K 49 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1295 82K 82K 166960K 1448 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 6 0
VM map 2 1K 1K 166960K 2 0
sem 8 0K 0K 166960K 72 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 89K 166960K 257 0
sigio 0 0K 0K 166960K 2 0
proc 61 59K 91K 166960K 590 0
subproc 72 4K 4K 166960K 99 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 99 6K 6K 166960K 132 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 407 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 216 151K 160K 166960K 3955 0
UVM aobj 6 2K 4K 166960K 10 0
pinsyscall 38 76K 93K 166960K 1425 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 11 0K 2K 166960K 37 0
temp 37 9110K 9170K 166960K 4233 0
kqueue 13 20K 26K 166960K 42 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 47 0 44 1 0 1 1 0 8 0
rtentry 136 146 0 35 4 0 4 4 0 8 0
unpcb 144 209 0 190 6 0 6 6 0 8 5
syncache 336 5 0 5 2 1 1 1 0 8 1
tcpcb 736 26 0 21 1 0 1 1 0 8 0
arp 96 24 0 6 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 1 0 0 1 0 1 1 0 8 0
inpcb 328 220 0 211 7 0 7 7 0 8 6
nd6 112 34 0 9 1 0 1 1 0 8 0
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1072 3 0 3 1 0 1 1 0 8 1
pfrktable 1344 3 0 3 1 0 1 1 0 8 1
pfstlim 224 1 0 0 1 0 1 1 0 8 0
pfanchor 1288 2 0 2 1 0 1 1 0 8 1
pftag 88 3 0 2 1 0 1 1 0 8 0
pfrule 1360 3 0 2 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 591 0 132 29 0 29 29 0 8 0
art_table 40 592 0 132 5 0 5 5 0 8 0
art_node 32 145 0 44 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0
semapl 72 70 0 64 1 0 1 1 0 8 0
shmpl 120 5 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1725 0 257 93 0 93 93 0 8 1
ffsino 256 1725 0 257 93 0 93 93 0 8 1
nchpl 144 2026 0 321 64 0 64 64 0 8 0
rtmask 32 1 0 1 1 0 1 1 0 8 1
vnodes 216 1862 0 0 104 0 104 104 0 8 0
namei 1024 7695 0 7695 6 3 3 3 0 8 3
vcpupl 3968 32 0 32 2 0 2 2 0 8 2
vmpool 808 2 0 2 1 0 1 1 0 8 1
pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1
kstatmem 264 31 0 8 2 0 2 2 0 8 0
scxspl 216 6607 0 6607 5 3 2 4 1 8 2
plimitpl 152 42 0 26 1 0 1 1 0 8 0
sigapl 424 543 0 501 6 1 5 6 0 8 0
knotepl 120 5345 0 5297 10 0 10 10 0 8 7
kqueuepl 184 49 0 39 1 0 1 1 0 8 0
pipepl 304 130 0 103 3 0 3 3 0 8 0
fdescpl 448 530 0 501 5 1 4 5 0 8 0
filepl 120 2197 0 1980 11 0 11 11 0 8 4
lockfpl 104 28 0 26 1 0 1 1 0 8 0
lockfspl 48 13 0 11 1 0 1 1 0 8 0
sessionpl 144 29 0 21 1 0 1 1 0 8 0
pgrppl 48 41 0 25 1 0 1 1 0 8 0
ucredpl 104 174 0 163 1 0 1 1 0 8 0
zombiepl 144 567 0 564 2 1 1 1 0 8 0
processpl 1160 543 0 501 4 0 4 4 0 8 0
procpl 664 692 0 642 6 0 6 6 0 8 1
sockpl 552 479 0 448 13 3 10 12 0 8 7
mcl64k 65536 3 0 3 1 0 1 1 0 8 1
mcl8k 8192 4 0 4 1 1 0 1 0 8 0
mcl4k 4096 2589 0 2535 14 6 8 14 0 8 1
mcl2k 2048 235 0 235 3 1 2 2 0 8 2
mextrefs 64 93 0 93 2 1 1 1 0 8 1
mtagpl 96 6 0 6 2 1 1 1 0 8 1
mbufpl 256 5236 0 5071 16 0 16 16 0 8 3
bufpl 272 2340 0 102 152 2 150 150 0 8 0
anonpl 24 94796 0 91726 35 2 33 33 0 187 11
amapchunkpl 152 11329 0 10864 25 0 25 25 0 158 3
amappl16 200 1273 0 1253 6 3 3 4 0 8 1
amappl15 192 2 0 2 1 1 0 1 0 8 0
amappl14 184 445 0 444 1 0 1 1 0 8 0
amappl13 176 122 0 112 1 0 1 1 0 8 0
amappl12 168 774 0 747 2 0 2 2 0 8 0
amappl11 160 17 0 17 1 1 0 1 0 8 0
amappl10 152 57 0 47 1 0 1 1 0 8 0
amappl9 144 272 0 272 1 1 0 1 0 8 0
amappl8 136 123 0 122 1 0 1 1 0 8 0
amappl7 128 143 0 132 1 0 1 1 0 8 0
amappl6 120 180 0 179 1 0 1 1 0 8 0
amappl5 112 90 0 82 1 0 1 1 0 8 0
amappl4 104 267 0 251 1 0 1 1 0 8 0
amappl3 96 1906 0 1816 3 0 3 3 0 8 0
amappl2 88 626 0 561 2 0 2 2 0 8 0
amappl1 80 10850 0 10302 13 0 13 13 0 8 1
amappl 88 3217 0 3063 4 0 4 4 0 92 0
uvmvnodes 80 102 0 0 3 0 3 3 0 8 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 19 0 18 1 0 1 1 0 8 0
aobjpl 72 9 0 4 1 0 1 1 0 8 0
uaddrrnd 24 529 0 501 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 529 0 501 1 0 1 1 0 8 0
vmmpekpl 168 6141 0 6099 3 0 3 3 0 8 0
vmmpepl 168 42797 0 41074 82 0 82 82 0 357 2
vmsppl 368 529 0 501 4 1 3 4 0 8 0
rwobjpl 40 15070 0 14136 12 1 11 11 0 8 1
pdppl 4096 1069 0 1006 94 26 68 78 0 8 5
pvpl 32 242179 0 233994 94 0 94 94 0 265 19
pmappl 216 531 0 503 2 0 2 2 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 523 0 44 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
dt_ioctl_record_stop(ffff80000159d780) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800037cdb420) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(ffffee006666a648,81,ffffee0007ffd750,ffff80002a774548) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(ffffee006d191168,ffff80002a774548) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(ffffee006d191168,ffff80002a774548) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a774548) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a774548,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a774548,ffff800037cdb780,ffff800037cdb6d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800037cdb780) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800037cdb780) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c12fb722020, count: -12
ddb> machine ddbcpu 1
No such command
ddb> trace
dt_ioctl_record_stop(ffff80000159d780) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,81,2000,ffff80002a774548) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff800037cdb420) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(ffffee006666a648,81,ffffee0007ffd750,ffff80002a774548) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(ffffee006d191168,ffff80002a774548) at vn_closefile+0x11d sys/kern/vfs_vnops.c:621
fdrop(ffffee006d191168,ffff80002a774548) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(ffffee006d191168,ffff80002a774548) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80002a774548) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80002a774548,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80002a774548,ffff800037cdb780,ffff800037cdb6d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800037cdb780) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff800037cdb780) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c12fb722020, count: -12