panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
277404 6617 0 0 0 0 syz-executor2212203737
*128774 6617 0 0 0x4000000 1K syz-executor2212203737
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82652636) at panic+0x177 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1651
uvm_fault_unwire(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611
sys_sysctl(ffff8000ffff7cf0,ffff8000212e02b8,ffff8000212e0300) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
syscall(ffff8000212e0380) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212e0380) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb35c1ad7b60, 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
*cpu1: uvm_fault_unwire_locked: address not in map
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82652636) at panic+0x177 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1651
uvm_fault_unwire(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611
sys_sysctl(ffff8000ffff7cf0,ffff8000212e02b8,ffff8000212e0300) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
syscall(ffff8000212e0380) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212e0380) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb35c1ad7b60, count: -7
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000212e0080
rbx 0xffff800020dd9b8f
rdx 0x3fd
rcx 0
rax 0x33
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb0ec740d277be223
r11 0x74d2e4037f818fc9
r12 0xffff800020dd9990
r13 0
r14 0
r15 0x1
rip 0xffffffff81370d48 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000212e0070
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor2212203737) pid=128774 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=36, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff6d30,0xffff8000ffff6020
process=0xffff80002129ae20 user=0xffff8000212db000, vmspace=0xfffffd806ee10cf8
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
6617 277404 35312 0 7 0 syz-executor2212203737
6617 308699 35312 0 3 0x4000080 fsleep syz-executor2212203737
* 6617 128774 35312 0 7 0x4000000 syz-executor2212203737
6617 138538 35312 0 2 0x4000000 syz-executor2212203737
6617 390277 35312 0 2 0x4000000 syz-executor2212203737
35312 155137 30911 0 3 0x82 nanoslp syz-executor2212203737
30911 330721 65617 0 3 0x10008a sigsusp ksh
65617 279835 7137 0 3 0x9a kqread sshd
40650 272341 1 0 3 0x100083 ttyin getty
7137 195784 1 0 3 0x88 kqread sshd
12009 57619 20863 74 3 0x1100092 bpf pflogd
20863 509557 1 0 3 0x80 netio pflogd
13081 215 83618 73 3 0x1100090 kqread syslogd
83618 53011 1 0 3 0x100082 netio syslogd
8584 200953 1 0 3 0x100080 kqread resolvd
29111 228088 43977 77 3 0x100092 kqread dhcpleased
48140 476816 43977 77 3 0x100092 kqread dhcpleased
43977 258876 1 0 3 0x80 kqread dhcpleased
12250 270716 0 0 3 0x14200 bored smr
91633 55798 0 0 2 0x14200 zerothread
15008 103967 0 0 3 0x14200 aiodoned aiodoned
50323 130357 0 0 3 0x14200 syncer update
60161 211192 0 0 3 0x14200 cleaner cleaner
87726 69353 0 0 3 0x14200 reaper reaper
16914 19339 0 0 3 0x14200 pgdaemon pagedaemon
62372 297010 0 0 3 0x14200 bored viomb
19373 65878 0 0 3 0x40014200 acpi0 acpi0
96810 354702 0 0 3 0x40014200 idle1
68954 137908 0 0 3 0x14200 bored softnet
81391 115090 0 0 3 0x14200 bored softnet
72961 200723 0 0 3 0x14200 bored softnet
25801 133795 0 0 3 0x14200 bored softnet
84436 166322 0 0 3 0x14200 bored systqmp
81255 376015 0 0 3 0x14200 bored systq
41011 260208 0 0 3 0x40014200 bored softclock
54901 515608 0 0 3 0x40014200 idle0
1 244734 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 6617 (syz-executor2212203737) thread 0xffff8000ffff6550 (277404)
exclusive rwlock futex r = 0 (0xffffffff8298b290)
#0 witness_lock+0x44d
#1 sys_futex+0x5c sys/kern/sys_futex.c:107
#2 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#2 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
#3 Xsyscall+0x128
Process 6617 (syz-executor2212203737) thread 0xffff8000ffff7cf0 (128774)
shared rwlock vmmaplk r = 0 (0xfffffd806ee10da0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1610
#3 sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
#4 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#4 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b51240)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3bb sys/kern/sched_bsd.c:415
#3 sleep_finish+0x180 sys/kern/kern_synch.c:417
#4 rw_enter+0x35a sys/kern/kern_rwlock.c:286
#5 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1610
#6 sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
#7 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#7 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#8 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff82994410)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:234
#3 syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#3 syscall+0x438 sys/arch/amd64/amd64/trap.c:599
#4 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10167 6456K 6457K 78643K 11257 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 113 0
ifaddr 26 8K 8K 78643K 29 0
counters 44 33K 33K 78643K 44 0
ioctlops 0 0K 4K 78643K 1473 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1169 73K 73K 78643K 1185 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 1K 1K 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 67 91K 91K 78643K 295 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 1K 78643K 267 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 8 62K 64K 78643K 10 0
UVM amap 108 12K 12K 78643K 2813 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 23 4677K 4741K 78643K 3431 0
kqueue 11 16K 18K 78643K 24 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 20 0 17 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpqe 32 44 0 44 1 1 0 1 0 8 0
tcpcb 776 8 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 368 32 0 26 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 9 0 0 1 0 1 1 0 8 0
pfstkey 120 9 0 0 1 0 1 1 0 8 0
pfstate 384 9 0 0 1 0 1 1 0 8 0
pfrule 1344 21 0 15 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1583 0 194 87 0 87 87 0 8 0
ffsino 272 1583 0 194 93 0 93 93 0 8 0
nchpl 144 1924 0 362 58 0 58 58 0 8 0
uvmvnodes 80 1597 0 0 33 0 33 33 0 8 0
vnodes 216 1597 0 0 89 0 89 89 0 8 0
namei 1024 5159 0 5159 1 0 1 1 0 8 1
percpumem 16 34 0 0 1 0 1 1 0 8 0
kstatmem 264 8 0 0 1 0 1 1 0 8 0
scxspl 216 5212 0 5212 2 1 1 2 0 8 1
plimitpl 152 18 0 10 1 0 1 1 0 8 0
sigapl 424 491 0 458 5 1 4 5 0 8 0
futexpl 64 952 0 951 1 0 1 1 0 8 0
knotepl 120 46 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 320 90 0 87 1 0 1 1 0 8 0
fdescpl 496 474 0 458 3 0 3 3 0 8 0
filepl 152 1418 0 1360 3 0 3 3 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 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 458 0 458 1 0 1 1 0 8 1
processpl 1072 491 0 458 3 0 3 3 0 8 0
procpl 672 964 0 927 5 1 4 4 0 8 0
sockpl 488 87 0 63 4 0 4 4 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 292 0 0 37 0 37 37 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 363 0 0 23 0 23 23 0 8 0
bufpl 288 2605 0 94 180 0 180 180 0 8 0
anonpl 24 126136 0 123718 26 4 22 26 0 186 7
amapchunkpl 152 7430 0 7313 6 1 5 6 0 158 0
amappl16 200 1987 0 1986 5 4 1 5 0 8 0
amappl15 192 9 0 9 1 1 0 1 0 8 0
amappl14 184 104 0 93 1 0 1 1 0 8 0
amappl13 176 3 0 3 1 1 0 1 0 8 0
amappl12 168 326 0 325 1 0 1 1 0 8 0
amappl11 160 50 0 36 1 0 1 1 0 8 0
amappl10 152 7 0 7 1 1 0 1 0 8 0
amappl9 144 960 0 960 1 1 0 1 0 8 0
amappl8 136 25 0 24 1 0 1 1 0 8 0
amappl7 128 255 0 241 1 0 1 1 0 8 0
amappl6 120 88 0 81 1 0 1 1 0 8 0
amappl5 112 80 0 71 1 0 1 1 0 8 0
amappl4 104 391 0 367 1 0 1 1 0 8 0
amappl3 96 910 0 879 1 0 1 1 0 8 0
amappl2 88 688 0 630 2 0 2 2 0 8 0
amappl1 80 13329 0 12768 13 1 12 13 0 8 0
amappl 88 2471 0 2422 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 474 0 458 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 474 0 458 1 0 1 1 0 8 0
vmmpekpl 168 8463 0 8447 1 0 1 1 0 8 0
vmmpepl 168 43918 0 42677 58 3 55 58 0 357 0
vmsppl 368 473 0 458 2 0 2 2 0 8 0
rwobjpl 56 16940 0 14464 36 1 35 35 0 8 0
pdppl 4096 955 0 916 53 14 39 45 0 8 0
pvpl 32 237154 0 231995 57 5 52 57 0 265 10
pmappl 248 473 0 458 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 493 0 16 14 0 14 14 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff829bcff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b51038) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b51038) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7ffffbc990, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff829bcff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b51038) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b51038) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7ffffbc990, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82652636) at panic+0x177 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1651
uvm_fault_unwire(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611
sys_sysctl(ffff8000ffff7cf0,ffff8000212e02b8,ffff8000212e0300) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
syscall(ffff8000212e0380) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212e0380) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb35c1ad7b60, count: 8
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82652636) at panic+0x177 sys/kern/subr_prf.c:198
uvm_fault_unwire_locked(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1651
uvm_fault_unwire(fffffd806ee10cf8,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611
sys_sysctl(ffff8000ffff7cf0,ffff8000212e02b8,ffff8000212e0300) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:255
syscall(ffff8000212e0380) at syscall+0x438 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000212e0380) at syscall+0x438 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb35c1ad7b60, count: -7
ddb{1}>