uvm_fault(0xffffffff82a04be0, 0xffff8000120e1f00, 0, 2) -> d
kernel: page fault trap, code=0
Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*448911 99695 0 0 0 0 syz-executor4185014107
memcpy() at memcpy+0x15
ufs_inactive(ffff8000217757b8) at ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110
VOP_INACTIVE(fffffd807e2f5ce8,ffff8000217047f0) at VOP_INACTIVE+0xb7 sys/kern/vfs_vops.c:489
vput(fffffd807e2f5ce8) at vput+0xa3 sys/kern/vfs_subr.c:779
ufs_remove(ffff8000217758b8) at ufs_remove+0x145 sys/ufs/ufs/ufs_vnops.c:606
VOP_REMOVE(fffffd807e2f5040,fffffd807e2f5ce8,ffff800021775998) at VOP_REMOVE+0x118 sys/kern/vfs_vops.c:333
dounlinkat(ffff8000217047f0,ffffff9c,7f7ffffc1c80,0) at dounlinkat+0x10c sys/kern/vfs_syscalls.c:1884
syscall(ffff800021775b10) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc2130, count: 6
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(0xffffffff82a04be0, 0xffff8000120e1f00, 0, 2) -> d
ddb> trace
memcpy() at memcpy+0x15
ufs_inactive(ffff8000217757b8) at ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110
VOP_INACTIVE(fffffd807e2f5ce8,ffff8000217047f0) at VOP_INACTIVE+0xb7 sys/kern/vfs_vops.c:489
vput(fffffd807e2f5ce8) at vput+0xa3 sys/kern/vfs_subr.c:779
ufs_remove(ffff8000217758b8) at ufs_remove+0x145 sys/ufs/ufs/ufs_vnops.c:606
VOP_REMOVE(fffffd807e2f5040,fffffd807e2f5ce8,ffff800021775998) at VOP_REMOVE+0x118 sys/kern/vfs_vops.c:333
dounlinkat(ffff8000217047f0,ffffff9c,7f7ffffc1c80,0) at dounlinkat+0x10c sys/kern/vfs_syscalls.c:1884
syscall(ffff800021775b10) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc2130, count: -9
ddb> show registers
rdi 0xffff8000120e1f00
rsi 0xfffffd8068a46300
rbp 0xffff800021775740
rbx 0x2
rdx 0x100
rcx 0x20
rax 0x83c
r8 0xffffffffffffffff
r9 0x5
r10 0xce60d2f0ae9dbdcb
r11 0xffff8000120e1f00
r12 0xfffffd8068999b48
r13 0xfffffd806c6a2a38
r14 0
r15 0xffff8000006b6800
rip 0xffffffff813f8645 memcpy+0x15
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff8000217756d8
ss 0x10
memcpy+0x15: repe movsq (%rsi),%es:(%rdi)
ddb> show proc
PROC (syz-executor4185014107) pid=448911 stat=onproc
flags process=0 proc=0
pri=17, usrpri=69, nice=20
forw=0xffffffffffffffff, list=0xffff8000217042b0,0xffff800021711cf0
process=0xffff8000216f0410 user=0xffff800021770000, vmspace=0xfffffd806cc4a9a0
estcpu=36, cpticks=3, pctcpu=0.16
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
21150 165994 17061 0 2 0 syz-executor4185014107
74494 342389 74142 0 2 0 syz-executor4185014107
76371 2864 72577 0 2 0 syz-executor4185014107
17061 509937 38804 0 2 0 syz-executor4185014107
*99695 448911 38804 0 7 0 syz-executor4185014107
72577 208837 38804 0 2 0x480 syz-executor4185014107
68697 27636 38804 0 2 0 syz-executor4185014107
19852 183046 38804 0 2 0 syz-executor4185014107
7013 185156 38804 0 2 0 syz-executor4185014107
87483 420019 38804 0 2 0 syz-executor4185014107
74142 504624 38804 0 2 0x480 syz-executor4185014107
38804 329949 51215 0 3 0x82 nanoslp syz-executor4185014107
51215 314668 72601 0 3 0x10008a sigsusp ksh
72601 74522 3328 0 3 0x9a kqread sshd
62521 215196 1 0 3 0x100083 ttyin getty
3328 111567 1 0 3 0x88 kqread sshd
46375 109891 10355 73 3 0x1100090 kqread syslogd
10355 157488 1 0 3 0x100082 netio syslogd
9210 494230 1 0 3 0x100080 kqread resolvd
43728 272703 32178 77 3 0x100092 kqread dhcpleased
88024 489907 32178 77 3 0x100092 kqread dhcpleased
32178 209807 1 0 3 0x80 kqread dhcpleased
56175 108971 0 0 3 0x14200 bored smr
85519 485684 0 0 2 0x14200 zerothread
68134 415600 0 0 3 0x14200 aiodoned aiodoned
87649 204325 0 0 3 0x14200 syncer update
65580 282775 0 0 3 0x14200 cleaner cleaner
28590 40757 0 0 3 0x14200 reaper reaper
48616 417236 0 0 3 0x14200 pgdaemon pagedaemon
66653 342990 0 0 3 0x14200 bored viomb
4524 65377 0 0 3 0x40014200 acpi0 acpi0
35834 263589 0 0 3 0x14200 bored softnet
10914 260404 0 0 3 0x14200 bored softnet
19761 244709 0 0 3 0x14200 bored softnet
78357 105276 0 0 3 0x14200 bored softnet
16696 285134 0 0 3 0x14200 bored systqmp
67461 382485 0 0 3 0x14200 bored systq
73072 268931 0 0 3 0x40014200 bored softclock
57361 429543 0 0 3 0x40014200 idle0
1 40768 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 10147 6383K 6414K 78643K 11237 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 109 0
ifaddr 25 7K 7K 78643K 25 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1166 73K 73K 78643K 1180 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 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
proc 55 58K 59K 78643K 226 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 406 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 8 62K 64K 78643K 10 0
UVM amap 82 4K 5K 78643K 12236 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 3 0K 0K 78643K 3 0
temp 18 4709K 4773K 78643K 24399 0
kqueue 11 16K 18K 78643K 24 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
rtpcb 120 20 0 17 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 2 0 1 0 8 0
tcpcb 768 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 336 25 0 19 1 0 1 1 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 23248 0 17918 334 0 334 334 0 8 0
ffsino 240 23248 0 17918 314 0 314 314 0 8 0
nchpl 144 45252 0 43679 59 0 59 59 0 8 0
uvmvnodes 80 6259 0 0 128 0 128 128 0 8 0
vnodes 216 6259 0 0 348 0 348 348 0 8 0
namei 1024 102395 0 102394 4 2 2 2 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 111286 0 111285 26 18 8 8 0 8 7
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 11224 0 11184 6 0 6 6 0 8 0
knotepl 120 96880 0 96851 3 2 1 2 0 8 0
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 82 0 79 2 1 1 1 0 8 0
fdescpl 432 11208 0 11184 5 1 4 4 0 8 1
filepl 120 33824 0 33764 2 0 2 2 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 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 104 68 0 57 1 0 1 1 0 8 0
zombiepl 144 11184 0 11184 2 1 1 1 0 8 1
processpl 1000 11224 0 11184 7 1 6 6 0 8 0
procpl 672 11224 0 11184 4 0 4 4 0 8 0
sockpl 456 78 0 56 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 2 2 0 1 0 8 0
mcl4k 4096 5 0 5 2 2 0 1 0 8 0
mcl2k 2048 16133 0 16095 9 3 6 7 0 8 0
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 56953 0 56871 7 0 7 7 0 8 0
bufpl 288 24252 0 17962 450 0 450 450 0 8 0
anonpl 24 117376 0 114811 19 3 16 16 0 188 0
amapchunkpl 152 13580 0 13451 7 1 6 6 0 158 0
amappl16 200 10945 0 10935 2 1 1 1 0 8 0
amappl15 192 68 0 61 1 0 1 1 0 8 0
amappl13 176 34 0 32 1 0 1 1 0 8 0
amappl12 168 3 0 3 2 2 0 1 0 8 0
amappl11 160 38 0 28 1 0 1 1 0 8 0
amappl10 152 1 0 1 1 1 0 1 0 8 0
amappl9 144 928 0 928 2 2 0 1 0 8 0
amappl8 136 364 0 360 1 0 1 1 0 8 0
amappl7 128 64 0 57 1 0 1 1 0 8 0
amappl6 120 107 0 94 1 0 1 1 0 8 0
amappl5 112 99 0 83 1 0 1 1 0 8 0
amappl4 104 580 0 560 1 0 1 1 0 8 0
amappl3 96 11326 0 11295 1 0 1 1 0 8 0
amappl2 88 333 0 291 3 2 1 2 0 8 0
amappl1 80 64012 0 63485 15 3 12 12 0 8 0
amappl 88 11961 0 11907 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 11208 0 11184 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 11208 0 11184 1 0 1 1 0 8 0
vmmpekpl 168 30831 0 30815 1 0 1 1 0 8 0
vmmpepl 168 365676 0 364408 71 10 61 61 0 357 5
vmsppl 272 11207 0 11184 3 1 2 2 0 8 0
rwobjpl 24 25946 0 18998 42 0 42 42 0 8 0
pdppl 4096 22422 0 22368 130 72 58 64 0 8 4
pvpl 32 636060 0 630894 51 8 43 43 0 265 0
pmappl 216 11207 0 11184 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1271 0 85 34 0 34 34 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
memcpy() at memcpy+0x15
ufs_inactive(ffff8000217757b8) at ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110
VOP_INACTIVE(fffffd807e2f5ce8,ffff8000217047f0) at VOP_INACTIVE+0xb7 sys/kern/vfs_vops.c:489
vput(fffffd807e2f5ce8) at vput+0xa3 sys/kern/vfs_subr.c:779
ufs_remove(ffff8000217758b8) at ufs_remove+0x145 sys/ufs/ufs/ufs_vnops.c:606
VOP_REMOVE(fffffd807e2f5040,fffffd807e2f5ce8,ffff800021775998) at VOP_REMOVE+0x118 sys/kern/vfs_vops.c:333
dounlinkat(ffff8000217047f0,ffffff9c,7f7ffffc1c80,0) at dounlinkat+0x10c sys/kern/vfs_syscalls.c:1884
syscall(ffff800021775b10) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc2130, count: -9
ddb> machine ddbcpu 1
No such command
ddb> trace
memcpy() at memcpy+0x15
ufs_inactive(ffff8000217757b8) at ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110
VOP_INACTIVE(fffffd807e2f5ce8,ffff8000217047f0) at VOP_INACTIVE+0xb7 sys/kern/vfs_vops.c:489
vput(fffffd807e2f5ce8) at vput+0xa3 sys/kern/vfs_subr.c:779
ufs_remove(ffff8000217758b8) at ufs_remove+0x145 sys/ufs/ufs/ufs_vnops.c:606
VOP_REMOVE(fffffd807e2f5040,fffffd807e2f5ce8,ffff800021775998) at VOP_REMOVE+0x118 sys/kern/vfs_vops.c:333
dounlinkat(ffff8000217047f0,ffffff9c,7f7ffffc1c80,0) at dounlinkat+0x10c sys/kern/vfs_syscalls.c:1884
syscall(ffff800021775b10) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc2130, count: -9