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panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_unveil.c", line 188
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82927b8e) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828e10c6,ffffffff828b33eb,bc,ffffffff82866e64) at __assert+0x29 sys/kern/subr_prf.c:157
unveil_destroy(ffff8000ffff4010) at unveil_destroy+0x174 sys/kern/kern_unveil.c:188
exit1(ffff80002a604ab0,0,0,1) at exit1+0x3d6 sys/kern/kern_exit.c:218
sys_exit(ffff80002a604ab0,ffff80002a665760,ffff80002a6656b0) at sys_exit+0x1a sys/kern/kern_exit.c:89
syscall(ffff80002a665760) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x740961809ac0, 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: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_unveil.c", line 188
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82927b8e) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828e10c6,ffffffff828b33eb,bc,ffffffff82866e64) at __assert+0x29 sys/kern/subr_prf.c:157
unveil_destroy(ffff8000ffff4010) at unveil_destroy+0x174 sys/kern/kern_unveil.c:188
exit1(ffff80002a604ab0,0,0,1) at exit1+0x3d6 sys/kern/kern_exit.c:218
sys_exit(ffff80002a604ab0,ffff80002a665760,ffff80002a6656b0) at sys_exit+0x1a sys/kern/kern_exit.c:89
syscall(ffff80002a665760) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x740961809ac0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a6654b0
rbx 0xffff8000ffff4010
rdx 0x3fd
rcx 0
rax 0x8a
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb7a1e81a51ee1739
r11 0xf4e5a14ce68ef04e
r12 0
r13 0x2
r14 0
r15 0x1
rip 0xffffffff811a086c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a6654a0
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor2269761477) tid=330407 pid=66570 tcnt=1 stat=onproc
flags process=8001008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80002a604ab0
forw=0xffffffffffffffff, list=0xffff80002a5d6558,0xffffffff82e14630
process=0xffff8000ffff4010 user=0xffff80002a660000, vmspace=0xfffffd80074a2420
estcpu=36, cpticks=11, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
44207 453899 16710 0 3 0x8000082 nanoslp syz-executor2269761477
16710 375422 36781 0 3 0x810008a sigsusp ksh
36781 362871 57940 0 3 0x1800009a kqread sshd
38654 429732 1 0 3 0x18100083 ttyin getty
57940 312305 1 0 3 0x18000088 kqread sshd
85341 13763 60956 73 3 0x19100090 kqread syslogd
60956 219502 1 0 3 0x18100082 netio syslogd
3841 432820 1 0 3 0x18100080 kqread resolvd
47809 434522 73068 77 3 0x18100092 kqread dhcpleased
34716 320092 73068 77 3 0x18100092 kqread dhcpleased
73068 453173 1 0 3 0x18000080 kqread dhcpleased
92496 406398 0 0 3 0x14200 bored smr
52217 9050 0 0 3 0x14200 pgzero zerothread
48337 184428 0 0 3 0x14200 aiodoned aiodoned
36262 10713 0 0 3 0x14200 syncer update
22195 269322 0 0 3 0x14200 cleaner cleaner
5388 503820 0 0 3 0x14200 reaper reaper
39290 114086 0 0 3 0x14200 pgdaemon pagedaemon
98367 326106 0 0 3 0x14200 bored viomb
53215 320413 0 0 3 0x40014200 acpi0 acpi0
8325 92757 0 0 3 0x14200 bored softnet3
92924 319111 0 0 3 0x14200 bored softnet2
55792 247677 0 0 3 0x14200 bored softnet1
96076 167129 0 0 3 0x14200 bored softnet0
27513 175929 0 0 3 0x14200 bored systqmp
51866 166283 0 0 3 0x14200 bored systq
82378 345396 0 0 3 0x40014200 tmoslp softclock
88594 425982 0 0 3 0x40014200 idle0
1 80524 0 0 3 0x8000082 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 10137 6382K 6413K 166960K 11215 0
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 112 0
pf 12 6K 6K 166960K 12 0
ifaddr 11 5K 5K 166960K 11 0
ifgroup 17 1K 1K 166960K 17 0
counters 22 16K 16K 166960K 22 0
ioctlops 0 0K 2K 166960K 21 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1259 79K 79K 166960K 1275 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 1 0K 0K 166960K 1 0
proc 59 74K 75K 166960K 1293 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 11 0K 0K 166960K 11 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 246 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 99 4K 5K 166960K 4227 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 22 44K 48K 166960K 1197 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 3 0K 0K 166960K 3 0
temp 1 6788K 6852K 166960K 2930 0
kqueue 11 16K 18K 166960K 24 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 21 0 18 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 336 5 0 5 1 1 0 1 0 8 0
tcpqe 32 55 0 55 1 1 0 1 0 8 0
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 360 26 0 20 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 1502 0 40 92 0 92 92 0 8 0
ffsino 240 1502 0 40 86 0 86 86 0 8 0
nchpl 144 1686 0 47 61 0 61 61 0 8 0
uvmvnodes 80 1511 0 0 31 0 31 31 0 8 0
vnodes 216 1511 0 0 84 0 84 84 0 8 0
namei 1024 5748 0 5748 2 1 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 5411 0 5411 9 1 8 8 1 8 8
plimitpl 152 16 0 10 1 0 1 1 0 8 0
sigapl 424 659 0 629 4 0 4 4 0 8 0
futexpl 64 1238 0 1238 1 0 1 1 0 8 1
knotepl 120 7455 0 7426 2 1 1 2 0 8 0
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 88 0 85 1 0 1 1 0 8 0
fdescpl 432 643 0 630 2 0 2 2 0 8 0
filepl 120 1136 0 1083 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 66 0 56 1 0 1 1 0 8 0
zombiepl 144 648 0 647 2 1 1 1 0 8 0
processpl 1072 659 0 629 3 0 3 3 0 8 0
procpl 680 1025 0 995 3 0 3 3 0 8 0
sockpl 488 80 0 58 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 1 0 1 0 8 0
mcl4k 4096 10 0 10 1 1 0 1 0 8 0
mcl2k 2048 12505 0 12462 33 26 7 32 0 8 1
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 21181 0 21134 17 13 4 17 0 8 0
bufpl 280 2486 0 89 172 0 172 172 0 8 0
anonpl 24 169262 0 167424 23 11 12 22 0 188 0
amapchunkpl 152 14548 0 14397 7 1 6 7 0 158 0
amappl16 200 4096 0 4095 4 3 1 4 0 8 0
amappl15 192 10 0 10 1 1 0 1 0 8 0
amappl14 184 103 0 94 1 0 1 1 0 8 0
amappl13 176 7 0 7 1 1 0 1 0 8 0
amappl12 168 1140 0 1127 1 0 1 1 0 8 0
amappl11 160 49 0 39 1 0 1 1 0 8 0
amappl10 152 12 0 12 1 1 0 1 0 8 0
amappl9 144 78 0 78 1 1 0 1 0 8 0
amappl8 136 23 0 21 1 0 1 1 0 8 0
amappl7 128 358 0 355 1 0 1 1 0 8 0
amappl6 120 161 0 150 1 0 1 1 0 8 0
amappl5 112 122 0 110 1 0 1 1 0 8 0
amappl4 104 393 0 368 1 0 1 1 0 8 0
amappl3 96 3912 0 3881 1 0 1 1 0 8 0
amappl2 88 930 0 878 2 0 2 2 0 8 0
amappl1 80 10514 0 10100 11 0 11 11 0 8 0
amappl 88 3927 0 3873 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 24 643 0 629 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 643 0 629 1 0 1 1 0 8 0
vmmpekpl 168 7037 0 7020 1 0 1 1 0 8 0
vmmpepl 168 45505 0 44567 46 3 43 46 0 357 0
vmsppl 352 642 0 629 2 0 2 2 0 8 0
rwobjpl 24 22013 0 19883 14 0 14 14 0 8 0
pdppl 4096 1292 0 1258 48 14 34 40 0 8 0
pvpl 32 278205 0 274075 50 14 36 50 0 265 0
pmappl 216 642 0 629 1 0 1 1 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 299 0 59 9 0 9 9 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82927b8e) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828e10c6,ffffffff828b33eb,bc,ffffffff82866e64) at __assert+0x29 sys/kern/subr_prf.c:157
unveil_destroy(ffff8000ffff4010) at unveil_destroy+0x174 sys/kern/kern_unveil.c:188
exit1(ffff80002a604ab0,0,0,1) at exit1+0x3d6 sys/kern/kern_exit.c:218
sys_exit(ffff80002a604ab0,ffff80002a665760,ffff80002a6656b0) at sys_exit+0x1a sys/kern/kern_exit.c:89
syscall(ffff80002a665760) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x740961809ac0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82927b8e) at panic+0x165 sys/kern/subr_prf.c:198
__assert(ffffffff828e10c6,ffffffff828b33eb,bc,ffffffff82866e64) at __assert+0x29 sys/kern/subr_prf.c:157
unveil_destroy(ffff8000ffff4010) at unveil_destroy+0x174 sys/kern/kern_unveil.c:188
exit1(ffff80002a604ab0,0,0,1) at exit1+0x3d6 sys/kern/kern_exit.c:218
sys_exit(ffff80002a604ab0,ffff80002a665760,ffff80002a6656b0) at sys_exit+0x1a sys/kern/kern_exit.c:89
syscall(ffff80002a665760) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x740961809ac0, count: -8
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/03/29 08:44 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | syz | C | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |
| 2024/03/28 22:13 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | syz | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | ||
| 2024/04/25 13:46 | openbsd | 53a4f4198df9 | 8bdc0f22 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/24 21:38 | openbsd | 799d9b3d961e | a604cf37 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/17 03:05 | openbsd | 489289b76a3a | 18f6e127 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/07 06:26 | openbsd | 85fbf21ae5ae | ca620dd8 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/04 00:30 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/02 10:20 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/04/02 06:38 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/31 09:37 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/29 16:25 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/29 06:27 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/28 18:59 | openbsd | 2ee472d028ec | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/25 13:22 | openbsd | b9739e4cfaf4 | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/24 01:15 | openbsd | f7d60097d803 | 6ee49f2e | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/03/08 10:59 | openbsd | deb7b0be1b2a | cf82cde1 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/02/26 19:48 | openbsd | f844ef565ec2 | 23536c23 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-main | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c | |||
| 2024/02/24 01:22 | openbsd | bbad591d07d4 | 8d446f15 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | ci-openbsd-multicore | assert "ps->ps_uvncount == NUM" failed in kern_unveil.c |