login: panic: timeout_add: to_ticks (-2147483648) < 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*145933 85492 0 0 0 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:208
timeout_add(ffff8000ffff8300,80000000) at timeout_add+0x179 sys/kern/kern_timeout.c:190
msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e sleep_setup_timeout sys/kern/kern_synch.c:330 [inline]
msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e sys/kern/kern_synch.c:210
bpfread(21700,ffff8000149dff20,0) at bpfread+0x1ef sys/net/bpf.c:486
spec_read(ffff8000149dfd60) at spec_read+0xf5 sys/kern/spec_vnops.c:223
VOP_READ(fffffd8031b3ad38,ffff8000149dff20,0,fffffd803f7c6ae0) at VOP_READ+0x6f sys/kern/vfs_vops.c:247
vn_read(fffffd80361b0e90,ffff8000149dff20,0) at vn_read+0x1c3 sys/kern/vfs_vnops.c:365
dofilereadv(ffff8000ffff8260,3,ffff8000149dff20,0,ffff8000149e0000) at dofilereadv+0x19f sys/kern/sys_generic.c:236
sys_read(ffff8000ffff8260,ffff8000149e0018,ffff8000149e0000) at sys_read+0x92 sys/kern/sys_generic.c:156
syscall(ffff8000149e00b0) at syscall+0x541
Xsyscall(6,0,ffffffffffffffb9,0,3,98accb1c010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff1f80, 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
timeout_add: to_ticks (-2147483648) < 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:208
timeout_add(ffff8000ffff8300,80000000) at timeout_add+0x179 sys/kern/kern_timeout.c:190
msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e sleep_setup_timeout sys/kern/kern_synch.c:330 [inline]
msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e sys/kern/kern_synch.c:210
bpfread(21700,ffff8000149dff20,0) at bpfread+0x1ef sys/net/bpf.c:486
spec_read(ffff8000149dfd60) at spec_read+0xf5 sys/kern/spec_vnops.c:223
VOP_READ(fffffd8031b3ad38,ffff8000149dff20,0,fffffd803f7c6ae0) at VOP_READ+0x6f sys/kern/vfs_vops.c:247
vn_read(fffffd80361b0e90,ffff8000149dff20,0) at vn_read+0x1c3 sys/kern/vfs_vnops.c:365
dofilereadv(ffff8000ffff8260,3,ffff8000149dff20,0,ffff8000149e0000) at dofilereadv+0x19f sys/kern/sys_generic.c:236
sys_read(ffff8000ffff8260,ffff8000149e0018,ffff8000149e0000) at sys_read+0x92 sys/kern/sys_generic.c:156
syscall(ffff8000149e00b0) at syscall+0x541
Xsyscall(6,0,ffffffffffffffb9,0,3,98accb1c010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff1f80, count: -12
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000149dfa80
rbx 0xffff8000149dfb30
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff8000149dfa40
r9 0x1
r10 0xe17dd9b1ff2d04bb
r11 0xe21b6eaf071c85f9
r12 0x3000000008
r13 0xffff8000149dfa90
r14 0x100
r15 0x1
rip 0xffffffff8185e038 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149dfa70
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) pid=145933 stat=onproc
flags process=0 proc=0
pri=26, usrpri=53, nice=20
forw=0x0, list=0xffff8000ffff84b8,0xffffffff822982a8
process=0xffff8000ffff6d30 user=0xffff8000149db000, vmspace=0xfffffd803f013c60
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*85492 145933 15563 0 7 0 bpf syz-executor.1
15563 458508 80156 0 3 0x82 nanosleep syz-executor.1
21062 201854 80156 0 3 0x2 biowait syz-executor.0
80156 230417 46311 0 3 0x82 thrsleep syz-execprog
80156 328908 46311 0 3 0x4000082 thrsleep syz-execprog
80156 392416 46311 0 3 0x4000082 thrsleep syz-execprog
80156 405694 46311 0 3 0x4000082 thrsleep syz-execprog
80156 305530 46311 0 3 0x4000082 thrsleep syz-execprog
80156 165061 46311 0 3 0x4000082 kqread syz-execprog
80156 105356 46311 0 3 0x4000082 thrsleep syz-execprog
80156 419536 46311 0 3 0x4000082 thrsleep syz-execprog
46311 369584 66265 0 3 0x10008a pause ksh
66265 408455 93462 0 3 0x92 select sshd
24555 97858 1 0 3 0x100083 ttyin getty
93462 481832 1 0 3 0x80 select sshd
67846 455383 62699 73 3 0x100090 kqread syslogd
62699 83077 1 0 3 0x100082 netio syslogd
44111 476025 1 77 3 0x100090 poll dhclient
434 218836 1 0 3 0x80 poll dhclient
83628 486273 0 0 2 0x14200 zerothread
39995 333958 0 0 3 0x14200 aiodoned aiodoned
37215 238266 0 0 3 0x14200 syncer update
14694 324095 0 0 3 0x14200 cleaner cleaner
15553 332569 0 0 3 0x14200 reaper reaper
42732 48446 0 0 3 0x14200 pgdaemon pagedaemon
27387 152028 0 0 3 0x14200 bored crynlk
94543 10269 0 0 3 0x14200 bored crypto
54302 128649 0 0 3 0x40014200 acpi0 acpi0
60006 65913 0 0 3 0x14200 bored softnet
10367 510878 0 0 3 0x14200 bored systqmp
69467 105511 0 0 3 0x14200 bored systq
77501 108010 0 0 3 0x40014200 bored softclock
28341 402132 0 0 3 0x40014200 idle0
63295 257841 0 0 3 0x14200 bored smr
1 92372 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 Kern Lim
devbuf 9439 6375K 6375K 78643K 17897 0 0
pcb 23 9K 9K 78643K 55 0 0
rtable 97 2K 2K 78643K 167 0 0
ifaddr 34 9K 9K 78643K 34 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 15 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1167 73K 73K 78643K 3627 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 1K 78643K 2 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 5 13K 25K 78643K 2474 0 0
proc 40 30K 54K 78643K 247 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 33 2K 2K 78643K 33 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 18 79K 79K 78643K 18 0 0
exec 0 0K 1K 78643K 168 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 63 19K 20K 78643K 3251 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 5 0K 0K 78643K 9 0 0
temp 46 2342K 2406K 78643K 10209 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 4 0 0 1 0 1 1 0 8 0
inpcbpl 280 26 0 20 1 0 1 1 0 8 0
plimitpl 152 15 0 8 1 0 1 1 0 8 0
rtentry 112 41 0 1 2 0 2 2 0 8 0
syncache 264 5 0 5 2 2 0 1 0 8 0
tcpcb 544 8 0 5 1 0 1 1 0 8 0
nd6 48 4 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 184 0 0 12 0 12 12 0 8 0
art_table 32 185 0 0 2 0 2 2 0 8 0
art_node 16 40 0 6 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 3885 0 2475 46 0 46 46 0 8 0
ffsino 240 3885 0 2475 83 0 83 83 0 8 0
nchpl 144 6568 0 4946 61 0 61 61 0 8 0
uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0
vnodes 200 5926 0 0 312 0 312 312 0 8 0
namei 1024 16214 0 16213 3 2 1 1 0 8 0
scxspl 192 18550 0 18549 33 32 1 6 0 8 0
sigapl 432 2648 0 2635 2 0 2 2 0 8 0
knotepl 112 45 0 28 1 0 1 1 0 8 0
kqueuepl 104 2 0 0 1 0 1 1 0 8 0
pipepl 112 142 0 123 3 2 1 1 0 8 0
fdescpl 424 2649 0 2635 2 0 2 2 0 8 0
filepl 120 5848 0 5786 2 0 2 2 0 8 0
lockfpl 104 6 0 6 1 1 0 1 0 8 0
lockfspl 32 3 0 3 1 1 0 1 0 8 0
sessionpl 112 19 0 9 1 0 1 1 0 8 0
pgrppl 48 19 0 9 1 0 1 1 0 8 0
ucredpl 96 47 0 40 1 0 1 1 0 8 0
zombiepl 144 2635 0 2635 3 2 1 1 0 8 1
processpl 840 2663 0 2635 4 0 4 4 0 8 0
procpl 600 2670 0 2635 3 0 3 3 0 8 0
sockpl 384 68 0 52 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 2 0 1 0 8 0
mcl2k 2048 5659 0 5635 5 1 4 5 0 8 0
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 10178 0 10091 9 3 6 6 0 8 0
bufpl 256 7703 0 3603 257 0 257 257 0 8 0
anonpl 16 82431 0 80041 15 5 10 12 0 62 0
amapchunkpl 152 3144 0 3084 4 1 3 4 0 158 0
amappl16 192 8811 0 8721 5 0 5 5 0 8 0
amappl15 184 50 0 46 1 0 1 1 0 8 0
amappl14 176 1251 0 1247 3 2 1 1 0 8 0
amappl13 168 2496 0 2488 1 0 1 1 0 8 0
amappl12 160 7 0 6 1 0 1 1 0 8 0
amappl11 152 16 0 5 1 0 1 1 0 8 0
amappl10 144 56 0 56 3 3 0 1 0 8 0
amappl9 136 188 0 185 1 0 1 1 0 8 0
amappl8 128 118 0 106 1 0 1 1 0 8 0
amappl7 120 24 0 22 1 0 1 1 0 8 0
amappl6 112 56 0 50 1 0 1 1 0 8 0
amappl5 104 520 0 510 1 0 1 1 0 8 0
amappl4 96 2849 0 2823 2 1 1 2 0 8 0
amappl3 88 1352 0 1345 1 0 1 1 0 8 0
amappl2 80 6769 0 6725 2 1 1 2 0 8 0
amappl1 72 32214 0 31818 24 15 9 19 0 8 0
amappl 72 2885 0 2857 1 0 1 1 0 75 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma64 64 259 0 259 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 17 0 17 1 1 0 1 0 8 0
aobjpl 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 2649 0 2635 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2649 0 2635 1 0 1 1 0 8 0
vmmpekpl 168 11012 0 10995 1 0 1 1 0 8 0
vmmpepl 168 120148 0 119236 93 53 40 71 0 357 0
vmsppl 264 2648 0 2635 2 1 1 2 0 8 0
pdppl 4096 5304 0 5270 6 1 5 6 0 8 0
pvpl 32 350319 0 345375 109 61 48 99 0 265 8
pmappl 200 2648 0 2635 1 0 1 1 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 384 0 11 11 0 11 11 0 8 0