[ci-openbsd-kasan], missing on: [ci-openbsd-main ci-openbsd-multicore ci-openbsd-setuid]
panic: Caught invalid memory access at ffff8000387085e0 size 8 op 0
Stopped at db_enter+0x17: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 23448 6499 0 0 0x4000000 0K syz-executor
385472 67180 0 0x2 0x1 1 syz-executor
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff846334c7) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1038
bioioctl(4f14,8004667c,ffff8000387085e0,81,ffff800045feed20) at bioioctl+0x130 sys/dev/bio.c:111
VOP_IOCTL(ffff8000018256c0,8004667c,ffff8000387085e0,81,ffff8000001196e8,ffff800045feed20) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001ae49a0,8004667c,ffff8000387085e0,ffff800045feed20) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_fcntl(ffff800045feed20,ffff800038708850,ffff8000387087c0) at sys_fcntl+0x9ee sys/kern/kern_descrip.c:-1
syscall(ffff800038708850) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038708850) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bc9a72cd80, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: Caught invalid memory access at ffff8000387085e0 size 8 op 0
ddb{0}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff846334c7) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1038
bioioctl(4f14,8004667c,ffff8000387085e0,81,ffff800045feed20) at bioioctl+0x130 sys/dev/bio.c:111
VOP_IOCTL(ffff8000018256c0,8004667c,ffff8000387085e0,81,ffff8000001196e8,ffff800045feed20) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001ae49a0,8004667c,ffff8000387085e0,ffff800045feed20) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_fcntl(ffff800045feed20,ffff800038708850,ffff8000387087c0) at sys_fcntl+0x9ee sys/kern/kern_descrip.c:-1
syscall(ffff800038708850) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038708850) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bc9a72cd80, count: -9
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800038707fb0
rbx 0xffff800038708020
rdx 0
rcx 0xffffffff853a2ff0 cpu_info_full_primary+0x1ff0
rax 0xffff80000016f180
r8 0x101010101010101
r9 0x8080808080808080
r10 0xffff800038707d98
r11 0xffffffff814e1f30 x86_bus_space_io_read_1
r12 0xffffffff846334c7 db_machine_command_table+0x9b027
r13 0xffffffff853a3c08 cpu_info_full_primary+0x2c08
r14 0xffffffff853a3e07 cpu_info_full_primary+0x2e07
r15 0x1
rip 0xffffffff81006567 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff800038707fb0
ss 0x10
db_enter+0x17: popq %rbp
ddb{0}> show proc
PROC (syz-executor) tid=23448 pid=6499 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800045fee558,0xffff800045fefa28
process=0xffff800045ff3040 user=0xffff8000386fd000, vmspace=0xffff800001acd7b8
estcpu=34, cpticks=14, pctcpu=0.0, user=0, sys=14, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
13223 148695 57376 0 2 0 syz-executor
13223 505639 57376 0 3 0x4000080 sbwait syz-executor
13223 206277 57376 0 2 0x4000000 syz-executor
49424 359566 7543 0 2 0 syz-executor
49424 236861 7543 0 3 0x4000080 fsleep syz-executor
7826 314726 67180 0 2 0 syz-executor
7826 327272 67180 0 3 0x4000080 fsleep syz-executor
7826 165803 67180 0 3 0x4000080 sbwait syz-executor
36495 45520 76134 0 2 0x10 syz-executor
36495 139412 76134 0 3 0x4000090 fsleep syz-executor
6499 138470 93397 0 2 0 syz-executor
* 6499 23448 93397 0 7 0x4000000 syz-executor
80513 162146 54220 0 2 0xc80 syz-executor
80513 78978 54220 0 3 0x4000080 kqpoll syz-executor
80513 296065 54220 0 3 0x4000080 fsleep syz-executor
31674 64458 0 0 3 0x14200 acct acct
26442 394869 0 0 3 0x14280 nfsidl nfsio
7515 210689 0 0 3 0x14280 nfsidl nfsio
17381 416213 0 0 3 0x14280 nfsidl nfsio
57431 334233 0 0 3 0x14280 nfsidl nfsio
60305 90462 0 0 3 0x14280 nfsidl nfsio
74378 357314 0 0 3 0x14280 nfsidl nfsio
35803 224896 0 0 3 0x14280 nfsidl nfsio
30264 7096 0 0 3 0x14280 nfsidl nfsio
75047 289078 0 0 3 0x14280 nfsidl nfsio
13791 235113 0 0 3 0x14280 nfsidl nfsio
43110 89901 0 0 3 0x14280 nfsidl nfsio
74549 196014 0 0 3 0x14280 nfsidl nfsio
44260 145218 0 0 3 0x14280 nfsidl nfsio
1479 123860 0 0 3 0x14280 nfsidl nfsio
59098 219448 0 0 3 0x14280 nfsidl nfsio
44932 416695 0 0 3 0x14280 nfsidl nfsio
51435 286553 0 0 3 0x14280 nfsidl nfsio
91479 54160 0 0 3 0x14280 nfsidl nfsio
30712 143452 0 0 3 0x14280 nfsidl nfsio
93055 390094 0 0 3 0x14280 nfsidl nfsio
54488 63118 1 0 3 0x80 nanoslp init
57376 476906 27753 0 2 0xc82 syz-executor
67180 385472 27753 0 7 0x3 syz-executor
95303 492556 27753 0 3 0x82 wait syz-executor
76134 71037 27753 0 2 0xc82 syz-executor
54220 241080 27753 0 2 0xc82 syz-executor
23130 407125 27753 0 2 0xc82 syz-executor
93397 115118 27753 0 2 0xc82 syz-executor
7543 180872 27753 0 2 0xc82 syz-executor
27753 223411 1 0 3 0x82 kqread syz-executor
44557 237406 1 74 2 0x1100092 pflogd
83600 495733 1 73 2 0x1100090 syslogd
66199 215558 0 0 3 0x14200 bored smr
55535 496869 0 0 2 0x14200 zerothread
21698 488435 0 0 3 0x14200 aiodoned aiodoned
10006 523772 0 0 3 0x14200 syncer update
80252 353621 0 0 3 0x14200 cleaner cleaner
25046 422631 0 0 3 0x14200 reaper reaper
32531 463842 0 0 3 0x14200 pgdaemon pagedaemon
38728 172446 0 0 3 0x14200 bored viomb
45537 519155 0 0 3 0x40014200 acpi0 acpi0
46858 49433 0 0 3 0x40014200 idle1
29392 248025 0 0 3 0x14200 bored softnet1
64073 517600 0 0 3 0x14200 bored softnet0
36618 452788 0 0 3 0x14200 bored systqmp
74333 195334 0 0 3 0x14200 bored systq
20551 241257 0 0 2 0x14200 softclockmp
11053 312160 0 0 3 0x40014200 tmoslp softclock
49377 116740 0 0 3 0x40014200 idle0
1 419680 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11056 12310K 12470K 166960K 12297 0
pcb 17 24K 24K 166960K 31 0
rtable 243 13K 13K 166960K 357 0
pf 34 22K 24K 166960K 54 0
ifaddr 43 12K 12K 166960K 46 0
ifgroup 55 2K 2K 166960K 60 0
sysctl 4 1K 13K 166960K 41 0
counters 70 42K 43K 166960K 72 0
ioctlops 0 0K 4K 166960K 1497 0
iov 0 0K 16K 166960K 12 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1392 89K 90K 166960K 1560 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 3 332K 340K 166960K 24 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 12 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 18 65K 97K 166960K 311 0
sigio 0 0K 0K 166960K 3 0
proc 11 30K 193K 166960K 572 0
subproc 72 9K 9K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 14 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 55 384K 384K 166960K 55 0
exec 0 0K 2K 166960K 422 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 164 134K 264K 166960K 4617 0
UVM aobj 24 4K 4K 166960K 25 0
pinsyscall 23 46K 105K 166960K 1472 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 12 0K 1K 166960K 29 0
temp 43 9171K 9182K 166960K 7296 0
kqueue 3 9K 52K 166960K 53 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 28 0 0 1 0 1 1 0 8 0
rtpcb 120 34 0 34 1 0 1 1 0 8 1
rtentry 176 114 0 1 6 0 6 6 0 8 0
unpcb 144 332 0 323 5 0 5 5 0 8 4
syncache 336 4 0 4 2 2 0 1 0 8 0
tcpcb 736 27 0 25 1 0 1 1 0 8 0
arp 136 19 0 0 1 0 1 1 0 8 0
inpcb 328 165 0 161 1 0 1 1 0 8 0
nd6 152 26 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 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 29 0 1 1 0 1 1 0 8 0
pfstkey 128 29 0 1 1 0 1 1 0 8 0
pfstate 448 29 0 1 4 0 4 4 0 8 0
pfrule 1360 22 0 17 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 457 0 0 29 0 29 29 0 8 0
art_table 40 458 0 0 5 0 5 5 0 8 0
art_node 32 114 0 11 1 0 1 1 0 8 0
semupl 112 3 0 3 1 0 1 1 0 8 1
semapl 72 10 0 0 1 0 1 1 0 8 0
shmpl 112 22 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1862 0 381 93 0 93 93 0 8 0
ffsino 296 1862 0 381 114 0 114 114 0 8 0
nchpl 144 2295 0 589 64 0 64 64 0 8 0
vnodes 216 2115 0 0 118 0 118 118 0 8 0
namei 1024 7595 0 7595 1 0 1 1 0 8 1
percpumem 16 52 0 1 1 0 1 1 0 8 0
kstatmem 264 29 0 2 2 0 2 2 0 8 0
scxspl 216 8498 0 8498 11 3 8 8 1 8 8
plimitpl 152 41 0 30 1 0 1 1 0 8 0
sigapl 424 651 0 592 7 0 7 7 0 8 0
knotepl 120 117 0 0 4 0 4 4 0 8 0
kqueuepl 224 74 0 70 1 0 1 1 0 8 0
pipepl 344 260 0 232 9 0 9 9 0 8 6
fdescpl 528 614 0 592 3 0 3 3 0 8 0
filepl 160 3157 0 2961 21 4 17 21 0 8 8
lockfpl 104 80 0 80 1 0 1 1 0 8 1
lockfspl 48 35 0 35 1 0 1 1 0 8 1
sessionpl 144 33 0 28 1 0 1 1 0 8 0
pgrppl 48 45 0 32 1 0 1 1 0 8 0
ucredpl 104 277 0 268 1 0 1 1 0 8 0
zombiepl 144 594 0 592 1 0 1 1 0 8 0
processpl 1232 651 0 592 5 0 5 5 0 8 0
procpl 664 957 0 889 7 0 7 7 0 8 0
sosppl 176 5 0 5 2 1 1 1 0 8 1
sockpl 752 534 0 521 15 5 10 15 0 8 8
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 123 0 0 16 0 16 16 0 8 0
mcl2k 2048 18 0 0 3 0 3 3 0 8 0
mextrefs 64 16 0 0 1 0 1 1 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 186 0 0 12 0 12 12 0 8 0
bufpl 272 2773 0 106 178 0 178 178 0 8 0
anonpl 32 6211 0 0 50 0 50 50 0 222 0
amapchunkpl 152 13539 0 13106 21 1 20 21 0 158 2
amappl16 200 2246 0 2217 18 3 15 15 0 8 10
amappl15 192 4 0 4 1 1 0 1 0 8 0
amappl14 184 437 0 437 1 0 1 1 0 8 1
amappl13 176 127 0 125 1 0 1 1 0 8 0
amappl12 168 865 0 845 2 0 2 2 0 8 0
amappl11 160 4 0 4 2 1 1 1 0 8 1
amappl10 152 97 0 93 1 0 1 1 0 8 0
amappl9 144 274 0 274 1 1 0 1 0 8 0
amappl8 136 123 0 122 1 0 1 1 0 8 0
amappl7 128 156 0 151 1 0 1 1 0 8 0
amappl6 120 161 0 160 1 0 1 1 0 8 0
amappl5 112 94 0 92 1 0 1 1 0 8 0
amappl4 104 363 0 355 1 0 1 1 0 8 0
amappl3 96 2701 0 2606 4 1 3 4 0 8 0
amappl2 88 546 0 531 2 0 2 2 0 8 0
amappl1 80 11187 0 11023 16 3 13 15 0 8 1
amappl 88 3857 0 3714 4 0 4 4 0 92 0
uvmvnodes 80 108 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 18 0 17 1 0 1 1 0 8 0
aobjpl 72 24 0 1 1 0 1 1 0 8 0
uaddrrnd 24 614 0 592 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 614 0 592 1 0 1 1 0 8 0
vmmpekpl 168 7474 0 7441 2 0 2 2 0 8 0
vmmpepl 168 48067 0 47015 89 2 87 89 0 357 29
vmsppl 488 613 0 592 5 0 5 5 0 8 1
rwobjpl 80 16971 0 16436 25 1 24 25 0 8 1
pdppl 4096 1237 0 1184 99 46 53 89 0 8 0
pvpl 32 10705 0 0 87 0 87 87 0 265 0
pmappl 256 613 0 592 3 0 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 452 0 51 12 0 12 12 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff846334c7) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff8000387085e0) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1038
bioioctl(4f14,8004667c,ffff8000387085e0,81,ffff800045feed20) at bioioctl+0x130 sys/dev/bio.c:111
VOP_IOCTL(ffff8000018256c0,8004667c,ffff8000387085e0,81,ffff8000001196e8,ffff800045feed20) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001ae49a0,8004667c,ffff8000387085e0,ffff800045feed20) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_fcntl(ffff800045feed20,ffff800038708850,ffff8000387087c0) at sys_fcntl+0x9ee sys/kern/kern_descrip.c:-1
syscall(ffff800038708850) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800038708850) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7bc9a72cd80, count: -9
ddb{0}>