uvm_fault(0xffffffff82ab9658, 0xffff80002100fff8, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs_indirtrunc+0x583: movq 0(%rax,%rbx,8),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 17460 17383 0 0 0 0 syz-executor1274477389
ffs_indirtrunc(fffffd806d731c30,fffffffffffffff4,204740,ffffffffffffffff,0,ffff80002164f178) at ffs_indirtrunc+0x583 sys/ufs/ffs/ffs_inode.c:535
ffs_truncate(fffffd806d731c30,0,0,fffffd807f7d79c0) at ffs_truncate+0xfd5 sys/ufs/ffs/ffs_inode.c:337
ufs_setattr(ffff80002164f350) at ufs_setattr+0x6c1 sys/ufs/ufs/ufs_vnops.c:408
VOP_SETATTR(fffffd806d9df930,ffff80002164f3d0,fffffd807f7d79c0,ffff8000ffff87e8) at VOP_SETATTR+0xd0 sys/kern/vfs_vops.c:210
vn_open(ffff80002164f5a8,70f,0) at vn_open+0x431 sys/kern/vfs_vnops.c:180
doopenat(ffff8000ffff87e8,ffffff9c,20000040,70e,0,ffff80002164f790) at doopenat+0x26a sys/kern/vfs_syscalls.c:1131
syscall(ffff80002164f800) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbed50, count: 7
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(0xffffffff82ab9658, 0xffff80002100fff8, 0, 1) -> d
ddb> trace
ffs_indirtrunc(fffffd806d731c30,fffffffffffffff4,204740,ffffffffffffffff,0,ffff80002164f178) at ffs_indirtrunc+0x583 sys/ufs/ffs/ffs_inode.c:535
ffs_truncate(fffffd806d731c30,0,0,fffffd807f7d79c0) at ffs_truncate+0xfd5 sys/ufs/ffs/ffs_inode.c:337
ufs_setattr(ffff80002164f350) at ufs_setattr+0x6c1 sys/ufs/ufs/ufs_vnops.c:408
VOP_SETATTR(fffffd806d9df930,ffff80002164f3d0,fffffd807f7d79c0,ffff8000ffff87e8) at VOP_SETATTR+0xd0 sys/kern/vfs_vops.c:210
vn_open(ffff80002164f5a8,70f,0) at vn_open+0x431 sys/kern/vfs_vnops.c:180
doopenat(ffff8000ffff87e8,ffffff9c,20000040,70e,0,ffff80002164f790) at doopenat+0x26a sys/kern/vfs_syscalls.c:1131
syscall(ffff80002164f800) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbed50, count: -8
ddb> show registers
rdi 0x2
rsi 0x2
rbp 0xffff80002164f0d0
rbx 0x1ff
rdx 0xfffffd806d4f7078
rcx 0xfffffffffffffff4
rax 0xffff80002100f000
r8 0xffffffffffffffff
r9 0xffff80002164f178
r10 0x5efe2c5a7e70f4fe
r11 0x68689431f3ba02ed
r12 0x1
r13 0xffffffffffffffff
r14 0x2
r15 0xfffffd806d731c30
rip 0xffffffff814ab4e3 ffs_indirtrunc+0x583
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002164efe0
ss 0x10
ffs_indirtrunc+0x583: movq 0(%rax,%rbx,8),%r14
ddb> show proc
PROC (syz-executor1274477389) pid=17460 stat=onproc
flags process=0 proc=0
pri=17, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8d28,0xffffffff82ac40d0
process=0xffff8000ffff6bc8 user=0xffff80002164a000, vmspace=0xfffffd807f016440
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*17383 17460 35420 0 7 0 syz-executor1274477389
35420 263656 76030 0 3 0x82 nanoslp syz-executor1274477389
76030 361418 2314 0 3 0x10008a sigsusp ksh
2314 54824 81044 0 3 0x9a kqread sshd
89143 209204 1 0 3 0x100083 ttyin getty
81044 260990 1 0 3 0x88 kqread sshd
33470 384753 75721 73 3 0x1100090 kqread syslogd
75721 360892 1 0 3 0x100082 netio syslogd
3234 19475 1 0 3 0x100080 kqread resolvd
34140 22736 96478 77 3 0x100092 kqread dhcpleased
54485 112380 96478 77 3 0x100092 kqread dhcpleased
96478 161641 1 0 3 0x80 kqread dhcpleased
40786 251645 0 0 3 0x14200 bored smr
79604 226408 0 0 2 0x14200 zerothread
53209 240358 0 0 3 0x14200 aiodoned aiodoned
12519 419848 0 0 3 0x14200 syncer update
10815 61257 0 0 3 0x14200 cleaner cleaner
81958 116300 0 0 3 0x14200 reaper reaper
70064 258269 0 0 3 0x14200 pgdaemon pagedaemon
95102 208367 0 0 3 0x14200 bored viomb
52478 7275 0 0 3 0x40014200 acpi0 acpi0
15567 95843 0 0 3 0x14200 bored softnet
45008 26286 0 0 3 0x14200 bored softnet
34695 62020 0 0 3 0x14200 bored softnet
4356 161682 0 0 3 0x14200 bored softnet
67551 304612 0 0 3 0x14200 bored systqmp
6557 278240 0 0 3 0x14200 bored systq
18803 119810 0 0 3 0x40014200 bored softclock
47660 490545 0 0 3 0x40014200 idle0
1 378670 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 10135 6382K 6413K 78643K 11225 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 104 0
ifaddr 24 7K 7K 78643K 24 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 5 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 391 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 54 10K 10K 78643K 4444 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 5473 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 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 2 0 1 0 8 0
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 312 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 1417 0 38 87 0 87 87 0 8 0
ffsino 240 1417 0 38 82 0 82 82 0 8 0
nchpl 144 1604 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1427 0 0 30 0 30 30 0 8 0
vnodes 224 1427 0 0 84 0 84 84 0 8 0
namei 1024 13734 0 13734 2 1 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 220546 0 220546 18 15 3 8 0 8 3
plimitpl 152 16 0 9 1 0 1 1 0 8 0
sigapl 424 3480 0 3450 4 0 4 4 0 8 0
knotepl 120 31220 0 31191 3 2 1 2 0 8 0
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 304 79 0 76 2 1 1 1 0 8 0
fdescpl 432 3464 0 3450 2 0 2 2 0 8 0
filepl 120 10601 0 10545 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 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 65 0 54 1 0 1 1 0 8 0
zombiepl 144 3450 0 3450 2 1 1 1 0 8 1
processpl 1000 3480 0 3450 5 1 4 5 0 8 0
procpl 672 3480 0 3450 3 0 3 3 0 8 0
sockpl 448 75 0 53 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 7220 0 7192 6 2 4 6 0 8 0
mtagpl 96 3 0 3 1 1 0 1 0 8 0
mbufpl 256 21453 0 21387 7 2 5 6 0 8 0
bufpl 288 218542 0 212253 450 0 450 450 0 8 0
anonpl 24 869827 0 868050 16 3 13 13 0 188 2
amapchunkpl 152 5742 0 5658 5 1 4 5 0 158 0
amappl16 200 54233 0 54227 2 0 2 2 0 8 1
amappl13 176 32 0 31 2 1 1 1 0 8 0
amappl12 168 5 0 4 1 0 1 1 0 8 0
amappl11 160 60 0 47 1 0 1 1 0 8 0
amappl10 152 1 0 1 1 1 0 1 0 8 0
amappl9 144 483 0 481 1 0 1 1 0 8 0
amappl8 136 333 0 332 2 1 1 1 0 8 0
amappl7 128 48 0 45 1 0 1 1 0 8 0
amappl6 120 93 0 83 1 0 1 1 0 8 0
amappl5 112 3266 0 3257 1 0 1 1 0 8 0
amappl4 104 565 0 546 1 0 1 1 0 8 0
amappl3 96 353 0 334 1 0 1 1 0 8 0
amappl2 88 417 0 379 1 0 1 1 0 8 0
amappl1 80 21480 0 21110 11 2 9 9 0 8 0
amappl 88 4190 0 4153 1 0 1 1 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 3464 0 3450 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3464 0 3450 1 0 1 1 0 8 0
vmmpekpl 168 12340 0 12329 1 0 1 1 0 8 0
vmmpepl 168 130048 0 129259 44 8 36 38 0 357 0
vmsppl 272 3463 0 3450 2 1 1 2 0 8 0
rwobjpl 24 63240 0 61298 13 0 13 13 0 8 0
pdppl 4096 6934 0 6900 52 18 34 40 0 8 0
pvpl 32 1024070 0 1020431 39 7 32 33 0 265 2
pmappl 216 3463 0 3450 1 0 1 1 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 710 0 30 20 0 20 20 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ffs_indirtrunc(fffffd806d731c30,fffffffffffffff4,204740,ffffffffffffffff,0,ffff80002164f178) at ffs_indirtrunc+0x583 sys/ufs/ffs/ffs_inode.c:535
ffs_truncate(fffffd806d731c30,0,0,fffffd807f7d79c0) at ffs_truncate+0xfd5 sys/ufs/ffs/ffs_inode.c:337
ufs_setattr(ffff80002164f350) at ufs_setattr+0x6c1 sys/ufs/ufs/ufs_vnops.c:408
VOP_SETATTR(fffffd806d9df930,ffff80002164f3d0,fffffd807f7d79c0,ffff8000ffff87e8) at VOP_SETATTR+0xd0 sys/kern/vfs_vops.c:210
vn_open(ffff80002164f5a8,70f,0) at vn_open+0x431 sys/kern/vfs_vnops.c:180
doopenat(ffff8000ffff87e8,ffffff9c,20000040,70e,0,ffff80002164f790) at doopenat+0x26a sys/kern/vfs_syscalls.c:1131
syscall(ffff80002164f800) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbed50, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
ffs_indirtrunc(fffffd806d731c30,fffffffffffffff4,204740,ffffffffffffffff,0,ffff80002164f178) at ffs_indirtrunc+0x583 sys/ufs/ffs/ffs_inode.c:535
ffs_truncate(fffffd806d731c30,0,0,fffffd807f7d79c0) at ffs_truncate+0xfd5 sys/ufs/ffs/ffs_inode.c:337
ufs_setattr(ffff80002164f350) at ufs_setattr+0x6c1 sys/ufs/ufs/ufs_vnops.c:408
VOP_SETATTR(fffffd806d9df930,ffff80002164f3d0,fffffd807f7d79c0,ffff8000ffff87e8) at VOP_SETATTR+0xd0 sys/kern/vfs_vops.c:210
vn_open(ffff80002164f5a8,70f,0) at vn_open+0x431 sys/kern/vfs_vnops.c:180
doopenat(ffff8000ffff87e8,ffffff9c,20000040,70e,0,ffff80002164f790) at doopenat+0x26a sys/kern/vfs_syscalls.c:1131
syscall(ffff80002164f800) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffbed50, count: -8