panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
184839 34874 32767 0x10 0 0 syz-executor.1
*412273 34874 32767 0x10 0x4000000 1K 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:212
uvm_fault_unwire_locked(fffffd807effd170,21a683000,21a683000) at uvm_fault_unwire_locked+0x332
uvm_map_pageable_wire(fffffd807effd170,fffffd806a9c4010,fffffd806b2fee10,ffff800020bee000,3,3) at uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2370
uvm_map_protect(fffffd807effd170,20ffc000,21000000,1,0) at uvm_map_protect+0x6f4 sys/uvm/uvm_map.c:3380
syscall(ffff800021ff9e80) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline]
syscall(ffff800021ff9e80) at syscall+0x552 sys/arch/amd64/amd64/trap.c:554
Xsyscall(6,0,ffffffffffffff97,0,3,1a8c3010) at Xsyscall+0x128
end of kernel
end trace frame: 0x21d17bbb0, count: 8
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
uvm_fault_unwire_locked: address not in map
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:212
uvm_fault_unwire_locked(fffffd807effd170,21a683000,21a683000) at uvm_fault_unwire_locked+0x332
uvm_map_pageable_wire(fffffd807effd170,fffffd806a9c4010,fffffd806b2fee10,ffff800020bee000,3,3) at uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2370
uvm_map_protect(fffffd807effd170,20ffc000,21000000,1,0) at uvm_map_protect+0x6f4 sys/uvm/uvm_map.c:3380
syscall(ffff800021ff9e80) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline]
syscall(ffff800021ff9e80) at syscall+0x552 sys/arch/amd64/amd64/trap.c:554
Xsyscall(6,0,ffffffffffffff97,0,3,1a8c3010) at Xsyscall+0x128
end of kernel
end trace frame: 0x21d17bbb0, count: -7
ddb{1}> show registers
rdi 0xffffffff8172c2d7 db_enter+0x17
rsi 0x1598 __ALIGN_SIZE+0x598
rbp 0xffff800021ff9b00
rbx 0xffff800021ff9bb0
rdx 0x1599 __ALIGN_SIZE+0x599
rcx 0xffff800020bee000
rax 0xffff800020bee000
r8 0xffffffff810de823 kprintf+0x173
r9 0x1
r10 0x25
r11 0x24eead30984cdcfb
r12 0x3000000008
r13 0xffff800021ff9b10
r14 0x100
r15 0x1
rip 0xffffffff8172c2d8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021ff9af0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=412273 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=73, usrpri=73, nice=20
forw=0xffffffffffffffff, list=0xffff800020b39878,0xffffffff82347f00
process=0xffff800020b3ad30 user=0xffff800021ff4000, vmspace=0xfffffd807effd170
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
34874 184839 69906 32767 7 0x10 syz-executor.1
*34874 412273 69906 32767 7 0x4000010 syz-executor.1
69906 75578 70032 32767 3 0x90 nanosleep syz-executor.1
70032 236985 82041 0 3 0x82 wait syz-executor.1
12023 501308 0 0 3 0x14200 bored sosplice
82041 210119 9580 0 3 0x82 thrsleep syz-fuzzer
82041 357222 9580 0 3 0x4000082 nanosleep syz-fuzzer
82041 419154 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 115746 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 78923 9580 0 3 0x4000082 nanosleep syz-fuzzer
82041 34477 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 345414 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 26243 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 251794 9580 0 3 0x4000082 thrsleep syz-fuzzer
82041 358431 9580 0 3 0x4000082 kqread syz-fuzzer
9580 466269 57569 0 3 0x10008a pause ksh
57569 479705 20645 0 3 0x92 select sshd
52319 473652 1 0 3 0x100083 ttyin getty
20645 404337 1 0 3 0x80 select sshd
92858 309705 30086 73 3 0x100090 kqread syslogd
30086 328417 1 0 3 0x100082 netio syslogd
81845 136814 1 77 3 0x100090 poll dhclient
13193 461569 1 0 3 0x80 poll dhclient
27364 293242 0 0 3 0x14200 pgzero zerothread
74373 494876 0 0 3 0x14200 aiodoned aiodoned
12220 368458 0 0 3 0x14200 syncer update
91900 164803 0 0 3 0x14200 cleaner cleaner
25573 182522 0 0 3 0x14200 reaper reaper
69943 84095 0 0 3 0x14200 pgdaemon pagedaemon
87486 11872 0 0 3 0x14200 bored crynlk
39943 485836 0 0 3 0x14200 bored crypto
12552 265951 0 0 3 0x40014200 acpi0 acpi0
95031 256036 0 0 3 0x40014200 idle1
69168 60277 0 0 3 0x14200 bored softnet
90103 279817 0 0 3 0x14200 bored systqmp
38017 301654 0 0 3 0x14200 bored systq
67575 344185 0 0 3 0x40014200 bored softclock
24751 439070 0 0 3 0x40014200 idle0
33548 213092 0 0 3 0x14200 bored smr
1 78368 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82394bb0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_fault_unwire_locked+0x61 sys/uvm/uvm_fault.c:1344
#4 uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2370
#5 uvm_map_protect+0x6f4 sys/uvm/uvm_map.c:3380
#6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline]
#6 syscall+0x552 sys/arch/amd64/amd64/trap.c:554
#7 Xsyscall+0x128
Process 34874 (syz-executor.1) thread 0xffff800020b39608 (412273)
exclusive rwlock vmmaplk r = 0 (0xfffffd807effd188)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 uvm_map_pageable_wire+0x35a vm_map_unbusy_ln sys/uvm/uvm_map.c:5433 [inline]
#1 uvm_map_pageable_wire+0x35a sys/uvm/uvm_map.c:2351
#2 uvm_map_protect+0x6f4 sys/uvm/uvm_map.c:3380
#3 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline]
#3 syscall+0x552 sys/arch/amd64/amd64/trap.c:554
#4 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8239dcf0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 syscall+0x412 mi_syscall sys/sys/syscall_mi.h:81 [inline]
#1 syscall+0x412 sys/arch/amd64/amd64/trap.c:554
#2 Xsyscall+0x128
exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82394bb0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 uvm_fault_unwire_locked+0x61 sys/uvm/uvm_fault.c:1344
#4 uvm_map_pageable_wire+0x5e0 sys/uvm/uvm_map.c:2370
#5 uvm_map_protect+0x6f4 sys/uvm/uvm_map.c:3380
#6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline]
#6 syscall+0x552 sys/arch/amd64/amd64/trap.c:554
#7 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9455 6319K 6321K 78643K 10922 0 0
pcb 23 9K 10K 78643K 1669 0 0
rtable 83 2K 3K 78643K 3534 0 0
ifaddr 31 11K 12K 78643K 502 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 2K 78643K 152 0 0
iov 0 0K 32K 78643K 255 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1209 76K 76K 78643K 3199 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 48 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 12 0K 0K 78643K 210 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12628 0 0
file desc 5 13K 33K 78643K 3750 0 0
sigio 0 0K 0K 78643K 37 0 0
proc 41 38K 70K 78643K 3614 0 0
subproc 17 1K 2K 78643K 1309 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 424 0 0
in_multi 22 1K 2K 78643K 932 0 0
ether_multi 1 0K 0K 78643K 14 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 60 265K 265K 78643K 60 0 0
exec 0 0K 1K 78643K 1294 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 87 13K 31K 78643K 13061 0 0
UVM aobj 130 6K 6K 78643K 159 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 187 0 0
NDP 6 0K 0K 78643K 234 0 0
temp 97 2733K 2834K 78643K 19403 0 0
kqueue 0 0K 0K 78643K 26 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 156 0 152 1 0 1 1 0 8 0
inpcbpl 280 1762 0 1755 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtentry 112 870 0 837 2 0 2 2 0 8 1
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpcb 544 660 0 656 1 0 1 1 0 8 0
nd6 48 231 0 228 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 3599 0 3451 16 4 12 13 0 8 2
art_table 32 3600 0 3451 2 0 2 2 0 8 0
art_node 16 869 0 839 1 0 1 1 0 8 0
sysvmsgpl 40 13 0 3 1 0 1 1 0 8 0
semapl 112 208 0 198 1 0 1 1 0 8 0
shmpl 112 157 0 29 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 5203 0 3733 48 0 48 48 0 8 0
ffsino 272 5203 0 3733 100 1 99 99 0 8 0
nchpl 144 9481 0 7856 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 37109 0 37109 2 1 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
scxspl 192 25510 0 25510 13 12 1 6 0 8 1
plimitpl 152 313 0 305 1 0 1 1 0 8 0
sigapl 432 3696 0 3683 6 4 2 3 0 8 0
futexpl 56 28768 0 28768 1 0 1 1 0 8 1
knotepl 112 2242 0 2225 1 0 1 1 0 8 0
kqueuepl 104 762 0 760 1 0 1 1 0 8 0
pipepl 112 2588 0 2573 9 8 1 2 0 8 0
fdescpl 488 3697 0 3683 3 0 3 3 0 8 1
filepl 152 21562 0 21487 9 4 5 6 0 8 2
lockfpl 104 610 0 610 5 4 1 1 0 8 1
lockfspl 48 211 0 211 5 4 1 1 0 8 1
sessionpl 112 92 0 83 1 0 1 1 0 8 0
pgrppl 48 119 0 110 1 0 1 1 0 8 0
ucredpl 96 6394 0 6386 1 0 1 1 0 8 0
zombiepl 144 3683 0 3682 2 1 1 1 0 8 0
processpl 840 3713 0 3682 4 0 4 4 0 8 0
procpl 624 9217 0 9176 4 0 4 4 0 8 0
srpgc 64 456 0 456 11 10 1 1 0 8 1
sosppl 128 44 0 44 8 8 0 1 0 8 0
sockpl 384 3475 0 3458 3 0 3 3 0 8 1
mcl64k 65536 8 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 11 0 0 2 0 2 2 0 8 0
mcl2k2 2112 8 0 0 1 0 1 1 0 8 0
mcl2k 2048 126 0 0 15 1 14 15 0 8 0
mtagpl 80 1 0 0 1 0 1 1 0 8 0
mbufpl 256 293 0 0 12 0 12 12 0 8 0
bufpl 256 9967 0 2962 439 0 439 439 0 8 0
anonpl 16 355149 0 350078 88 46 42 43 0 125 11
amapchunkpl 152 30029 0 29937 40 35 5 12 0 158 1
amappl16 192 13802 0 13482 90 63 27 29 0 8 8
amappl15 184 583 0 583 5 5 0 1 0 8 0
amappl14 176 1410 0 1406 2 1 1 1 0 8 0
amappl13 168 315 0 312 6 5 1 1 0 8 0
amappl12 160 203 0 200 1 0 1 1 0 8 0
amappl11 152 745 0 731 1 0 1 1 0 8 0
amappl10 144 489 0 485 2 1 1 1 0 8 0
amappl9 136 2077 0 2072 1 0 1 1 0 8 0
amappl8 128 1472 0 1448 1 0 1 1 0 8 0
amappl7 120 564 0 555 1 0 1 1 0 8 0
amappl6 112 586 0 577 1 0 1 1 0 8 0
amappl5 104 739 0 729 1 0 1 1 0 8 0
amappl4 96 3315 0 3293 1 0 1 1 0 8 0
amappl3 88 1312 0 1301 1 0 1 1 0 8 0
amappl2 80 23208 0 23145 4 2 2 3 0 8 0
amappl1 72 107271 0 106846 23 13 10 19 0 8 0
amappl 80 10641 0 10605 1 0 1 1 0 84 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 64 158 0 29 3 0 3 3 0 8 0
uaddrrnd 24 3697 0 3683 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3697 0 3683 1 0 1 1 0 8 0
vmmpekpl 168 34993 0 34967 2 0 2 2 0 8 0
vmmpepl 168 416811 0 415490 157 79 78 85 0 357 15
vmsppl 368 3696 0 3683 2 0 2 2 0 8 0
pdppl 4096 7402 0 7366 6 0 6 6 0 8 1
pvpl 32 1048063 0 1039895 255 140 115 116 0 265 32
pmappl 232 3696 0 3683 8 7 1 2 0 8 0
extentpl 40 41 0 26 1 0 1 1 0 8 0
phpool 112 608 0 9 18 0 18 18 0 8 0