panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
189615 85071 0 0 0x4000000 1 syz-executor3876741132
* 70347 85071 0 0 0x4000000 0K syz-executor3876741132
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640
uvm_fault_unwire(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601
sys_sysctl(ffff8000ffff27e8,ffff80002120a468,ffff80002120a4c0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254
syscall(ffff80002120a530) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002120a530) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73f6c5a1dc0, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault_unwire_locked: address not in map
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640
uvm_fault_unwire(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601
sys_sysctl(ffff8000ffff27e8,ffff80002120a468,ffff80002120a4c0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254
syscall(ffff80002120a530) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002120a530) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73f6c5a1dc0, count: -7
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002120a230
rbx 0xffffffff82935bff cpu_info_full_primary+0x2bff
rdx 0x3fd
rcx 0
rax 0x33
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb440199c5bd36a0b
r11 0x97a85dde699c3f2
r12 0xffffffff82935a00 cpu_info_full_primary+0x2a00
r13 0
r14 0
r15 0x1
rip 0xffffffff82293c58 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002120a220
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor3876741132) pid=70347 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=76, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff2fc8,0xffffffff82a10d90
process=0xffff80002122dd30 user=0xffff800021205000, vmspace=0xfffffd806cd0e8b0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
7261 356989 68042 0 2 0 syz-executor3876741132
89464 106769 30947 0 2 0 syz-executor3876741132
85071 307830 86105 0 2 0 syz-executor3876741132
85071 189615 86105 0 7 0x4000000 syz-executor3876741132
*85071 70347 86105 0 7 0x4000000 syz-executor3876741132
26969 197912 18638 0 2 0 syz-executor3876741132
42526 401060 1678 0 2 0 syz-executor3876741132
42526 207733 1678 0 2 0x4000000 syz-executor3876741132
18638 24076 30565 0 2 0x480 syz-executor3876741132
75004 423787 30565 0 2 0 syz-executor3876741132
20537 503274 30565 0 2 0 syz-executor3876741132
1678 191516 30565 0 2 0x480 syz-executor3876741132
30947 47760 30565 0 3 0x80 nanoslp syz-executor3876741132
86105 22311 30565 0 2 0x480 syz-executor3876741132
46054 228684 30565 0 2 0 syz-executor3876741132
68042 245741 30565 0 3 0x80 nanoslp syz-executor3876741132
30565 492257 75509 0 3 0x82 nanoslp syz-executor3876741132
75509 283341 24164 0 3 0x10008a sigsusp ksh
24164 203607 25869 0 3 0x9a kqread sshd
15352 127364 1 0 3 0x100083 ttyin getty
25869 379271 1 0 3 0x88 kqread sshd
59875 30460 69553 74 3 0x1100092 bpf pflogd
69553 494332 1 0 3 0x80 netio pflogd
39221 518924 54657 73 3 0x1100090 kqread syslogd
54657 522997 1 0 3 0x100082 netio syslogd
82911 441008 1 0 3 0x100080 kqread resolvd
89547 413348 10602 77 3 0x100092 kqread dhcpleased
50864 178076 10602 77 3 0x100092 kqread dhcpleased
10602 186267 1 0 3 0x80 kqread dhcpleased
84119 389174 0 0 3 0x14200 bored smr
48441 233177 0 0 2 0x14200 zerothread
23742 255454 0 0 3 0x14200 aiodoned aiodoned
45053 34610 0 0 3 0x14200 syncer update
5418 295941 0 0 3 0x14200 cleaner cleaner
16062 234259 0 0 3 0x14200 reaper reaper
73060 384853 0 0 3 0x14200 pgdaemon pagedaemon
72530 472913 0 0 3 0x14200 bored viomb
98504 459280 0 0 3 0x40014200 acpi0 acpi0
55023 84013 0 0 3 0x40014200 idle1
32628 208984 0 0 3 0x14200 bored softnet
4654 513179 0 0 3 0x14200 bored systqmp
70167 444554 0 0 3 0x14200 bored systq
20399 59321 0 0 3 0x40014200 bored softclock
84769 328659 0 0 3 0x40014200 idle0
1 392469 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 85071 (syz-executor3876741132) thread 0xffff8000ffff2fc8 (189615)
exclusive rwlock futex r = 0 (0xffffffff829476d0)
#0 witness_lock+0x44d
#1 sys_futex+0x5c sys/kern/sys_futex.c:108
#2 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#2 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#3 Xsyscall+0x128
Process 85071 (syz-executor3876741132) thread 0xffff8000ffff27e8 (70347)
shared rwlock vmmaplk r = 0 (0xfffffd806cd0e8c8)
#0 witness_lock+0x44d
#1 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1600
#2 sys_sysctl+0x229 sys/kern/kern_sysctl.c:254
#3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#4 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829d7b08)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x198 sys/kern/kern_synch.c:437
#4 rw_enter+0x35a sys/kern/kern_rwlock.c:286
#5 icmp6_sysctl+0x85 sys/netinet6/icmp6.c:1922
#6 sys_sysctl+0x209 sys/kern/kern_sysctl.c:249
#7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#8 Xsyscall+0x128
exclusive rwlock sysctllk r = 0 (0xffffffff8296c7c0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:233
#3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#4 Xsyscall+0x128
Process 20537 (syz-executor3876741132) thread 0xffff8000ffff6fd0 (503274)
exclusive rrwlock inode r = 0 (0xfffffd806cd16d58)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806d5494e8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10149 6454K 6455K 78643K 11239 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 108 0
ifaddr 29 8K 8K 78643K 32 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1479 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1167 73K 73K 78643K 1180 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 282 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 2K 78643K 432 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 7 26K 26K 78643K 7 0
UVM amap 111 69K 70K 78643K 8208 0
UVM aobj 3 2K 2K 78643K 3 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 4713K 4777K 78643K 5117 0
kqueue 11 16K 18K 78643K 24 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 2 0 1 0 8 0
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 312 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 7 2 1 1 1 0 8 0
pfstkey 112 9 0 7 2 1 1 1 0 8 0
pfstate 336 9 0 7 2 1 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
rttmrq 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 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 2742 0 1340 88 0 88 88 0 8 0
ffsino 272 2742 0 1340 94 0 94 94 0 8 0
nchpl 144 4239 0 2659 59 0 59 59 0 8 0
uvmvnodes 80 2752 0 0 57 0 57 57 0 8 0
vnodes 224 2752 0 0 162 0 162 162 0 8 0
namei 1024 9717 0 9716 3 2 1 2 0 8 0
percpumem 16 32 0 0 1 0 1 1 0 8 0
kstatmem 264 8 0 0 1 0 1 1 0 8 0
scxspl 216 11941 0 11941 22 21 1 8 0 8 1
plimitpl 152 24 0 9 1 0 1 1 0 8 0
sigapl 424 1636 0 1594 6 0 6 6 0 8 0
futexpl 64 1730 0 1729 1 0 1 1 0 8 0
knotepl 120 48 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 336 86 0 83 2 1 1 1 0 8 0
fdescpl 496 1622 0 1594 4 0 4 4 0 8 0
filepl 152 2485 0 2425 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 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 1594 0 1594 2 1 1 1 0 8 1
processpl 1064 1636 0 1594 4 0 4 4 0 8 0
procpl 672 4215 0 4170 5 0 5 5 0 8 0
sockpl 480 84 0 60 5 1 4 4 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 64 0 0 8 1 7 8 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 120 0 0 7 0 7 7 0 8 0
bufpl 288 3347 0 96 233 0 233 233 0 8 0
anonpl 24 154072 0 151224 25 5 20 21 0 186 1
amapchunkpl 152 19054 0 18885 11 2 9 9 0 158 0
amappl16 200 396 0 383 1 0 1 1 0 8 0
amappl13 176 34 0 33 2 1 1 1 0 8 0
amappl12 168 3 0 3 2 2 0 1 0 8 0
amappl11 160 66 0 49 1 0 1 1 0 8 0
amappl10 152 4 0 2 1 0 1 1 0 8 0
amappl9 144 500 0 497 1 0 1 1 0 8 0
amappl8 136 383 0 372 1 0 1 1 0 8 0
amappl7 128 53 0 49 1 0 1 1 0 8 0
amappl6 120 104 0 94 1 0 1 1 0 8 0
amappl5 112 89 0 77 1 0 1 1 0 8 0
amappl4 104 1928 0 1904 1 0 1 1 0 8 0
amappl3 96 4160 0 4118 2 0 2 2 0 8 0
amappl2 88 456 0 418 2 0 2 2 0 8 0
amappl1 80 36592 0 36050 15 2 13 13 0 8 0
amappl 88 7613 0 7537 4 1 3 3 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 1622 0 1594 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1622 0 1594 1 0 1 1 0 8 0
vmmpekpl 168 14981 0 14960 2 0 2 2 0 8 0
vmmpepl 168 123411 0 122022 82 8 74 74 0 357 13
vmsppl 368 1621 0 1594 3 0 3 3 0 8 0
rwobjpl 56 33719 0 30289 50 1 49 49 0 8 0
pdppl 4096 3251 0 3188 87 20 67 69 0 8 4
pvpl 32 366000 0 360596 59 9 50 50 0 265 4
pmappl 248 1621 0 1594 2 0 2 2 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 546 0 28 15 0 15 15 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640
uvm_fault_unwire(fffffd806cd0e8b0,20000000,20001000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601
sys_sysctl(ffff8000ffff27e8,ffff80002120a468,ffff80002120a4c0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254
syscall(ffff80002120a530) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002120a530) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73f6c5a1dc0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020ce8ff0) 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(ffffffff829d7900) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829d7900) at __mp_lock+0x122 sys/kern/kern_lock.c:147
sleep_setup(ffff800021204910,ffff8000ffff2fc8,120,ffffffff8258bb21,0) at sleep_setup+0xd3 sys/kern/kern_synch.c:374
rwsleep(ffff8000ffff2fc8,ffffffff829476c0,120,ffffffff8258bb21,0) at rwsleep+0xc0 sys/kern/kern_synch.c:315
futex_wait(73f1f2285d0,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260
sys_futex(ffff8000ffff2fc8,ffff800021204aa0,ffff800021204b00) at sys_futex+0xf8 sys/kern/sys_futex.c:111
syscall(ffff800021204b70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021204b70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73f5dae5e80, count: 5
ddb{1}> trace
x86_ipi_db(ffff800020ce8ff0) 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(ffffffff829d7900) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829d7900) at __mp_lock+0x122 sys/kern/kern_lock.c:147
sleep_setup(ffff800021204910,ffff8000ffff2fc8,120,ffffffff8258bb21,0) at sleep_setup+0xd3 sys/kern/kern_synch.c:374
rwsleep(ffff8000ffff2fc8,ffffffff829476c0,120,ffffffff8258bb21,0) at rwsleep+0xc0 sys/kern/kern_synch.c:315
futex_wait(73f1f2285d0,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260
sys_futex(ffff8000ffff2fc8,ffff800021204aa0,ffff800021204b00) at sys_futex+0xf8 sys/kern/sys_futex.c:111
syscall(ffff800021204b70) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021204b70) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73f5dae5e80, count: -10