panic: uvm_fault_unwire_locked: address not in map (3)
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syzbot
Dec 19, 2021, 7:34:20 PM12/19/21
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 0b9027416dbe Declare pthread_atfork as weak to avoid a fat..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1590680db00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=bb2f63f076618e9ed0d3
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bb2f63...@syzkaller.appspotmail.com
panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
213803 54187 0 0 0 0 syz-executor.1
* 95442 54187 0 0 0x4000000 1K syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, 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:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: -7
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000246ab680
rbx 0xffff800020d39bff
rdx 0x8b
rcx 0x2
rax 0x33
r8 0xffffffff81535884 kprintf+0x144
r9 0x1
r10 0x220bb413b377fc62
r11 0x238012f818113f1
r12 0xffff800020d39a00
r13 0
r14 0
r15 0x1
rip 0xffffffff81d4ebf8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000246ab670
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=95442 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000fffeefc8,0xffffffff828b1ea0
process=0xffff8000ffffadc0 user=0xffff8000246a6000, vmspace=0xfffffd806ee3fb88
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
54187 213803 51459 0 7 0 syz-executor.1
*54187 95442 51459 0 7 0x4000000 syz-executor.1
96443 74558 0 0 3 0x14200 bored sosplice
51459 170029 75467 0 3 0x82 nanoslp syz-executor.1
36438 463205 75467 0 3 0x82 nanoslp syz-executor.0
75467 436510 70388 0 3 0x82 thrsleep syz-fuzzer
75467 384518 70388 0 3 0x4000082 nanoslp syz-fuzzer
75467 379337 70388 0 3 0x4000082 kqread syz-fuzzer
75467 258236 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 419161 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 397779 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 128578 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 336708 70388 0 3 0x4000082 thrsleep syz-fuzzer
70388 295745 50775 0 3 0x10008a sigsusp ksh
50775 188634 83645 0 3 0x9a kqread sshd
57804 270151 1 0 3 0x100083 ttyin getty
83645 222394 1 0 3 0x88 kqread sshd
17160 257022 22063 74 3 0x100092 bpf pflogd
22063 76217 1 0 3 0x80 netio pflogd
91983 513671 60794 73 3 0x100090 kqread syslogd
60794 22026 1 0 3 0x100082 netio syslogd
43309 450689 1 0 3 0x100080 kqread resolvd
92285 264757 17 77 3 0x100092 kqread dhcpleased
6527 512093 17 77 3 0x100092 kqread dhcpleased
17 435653 1 0 3 0x80 kqread dhcpleased
35362 336361 0 0 3 0x14200 bored smr
26578 382506 0 0 3 0x14200 pgzero zerothread
6391 229175 0 0 3 0x14200 aiodoned aiodoned
39257 472629 0 0 3 0x14200 syncer update
11190 340375 0 0 3 0x14200 cleaner cleaner
510 58839 0 0 3 0x14200 reaper reaper
52681 288934 0 0 3 0x14200 pgdaemon pagedaemon
81427 36205 0 0 3 0x14200 bored viomb
70165 284793 0 0 3 0x40014200 acpi0 acpi0
64448 249772 0 0 3 0x40014200 idle1
52784 144838 0 0 3 0x14200 bored softnet
68794 256428 0 0 3 0x14200 bored systqmp
78617 521372 0 0 3 0x14200 bored systq
42763 24326 0 0 3 0x40014200 bored softclock
49181 176075 0 0 3 0x40014200 idle0
1 209905 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 54187 (syz-executor.1) thread 0xffff8000fffef7a8 (95442)
exclusive rwlock vmmaplk r = 0 (0xfffffd806ee3fba0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 uvm_map_pageable_wire+0x355 vm_map_unbusy_ln sys/uvm/uvm_map.c:5553 [inline]
#1 uvm_map_pageable_wire+0x355 sys/uvm/uvm_map.c:2403
#2 sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
#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 (0xffffffff829f2050)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10134 6530K 6918K 78643K 13484 0
pcb 13 14K 16K 78643K 277 0
rtable 113 4K 5K 78643K 192 0
ifaddr 45 11K 11K 78643K 97 0
counters 44 34K 34K 78643K 66 0
ioctlops 0 0K 4K 78643K 1634 0
iov 0 0K 16K 78643K 30 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1338 84K 84K 78643K 2144 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 5 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 97 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 996 0
sigio 0 0K 0K 78643K 26 0
proc 70 87K 111K 78643K 370 0
subproc 26 1K 1K 78643K 26 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 45 0
in_multi 33 2K 2K 78643K 80 0
ether_multi 1 0K 0K 78643K 24 0
mrt 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 2K 78643K 427 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 229 80K 82K 78643K 14797 0
UVM aobj 15 5K 5K 78643K 15 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 61 0
NDP 6 0K 0K 78643K 21 0
temp 81 4194K 4258K 78643K 5626 0
kqueue 12 18K 20K 78643K 38 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 49 0 46 1 0 1 1 0 8 0
rtentry 112 46 0 1 2 0 2 2 0 8 0
unpcb 128 383 0 368 7 6 1 5 0 8 0
syncache 296 17 0 17 5 4 1 1 0 8 1
tcpqe 32 40 0 40 2 1 1 1 0 8 1
tcpcb 736 388 0 384 16 14 2 7 0 8 1
arp 120 6 0 0 1 0 1 1 0 8 0
inpcb 304 1640 0 1633 39 28 11 11 0 8 10
nd6 48 7 0 0 1 0 1 1 0 8 0
pkpcb 40 3 0 3 1 1 0 1 0 8 0
kcovpl 48 2 0 0 1 0 1 1 0 8 0
ppxss 1248 3 0 3 1 1 0 1 0 8 0
pffrag 232 9 0 7 1 0 1 1 0 482 0
pffrnode 88 9 0 7 1 0 1 1 0 8 0
pffrent 40 111 0 109 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
pfrktable 1344 3 0 1 1 0 1 1 0 8 0
pfstitem 24 34 0 22 1 0 1 1 0 8 0
pfstkey 112 34 0 22 1 0 1 1 0 8 0
pfstate 320 34 0 22 2 0 2 2 0 8 0
pfrule 1360 43 0 30 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 193 0 0 13 0 13 13 0 8 0
art_table 32 194 0 0 2 0 2 2 0 8 0
art_node 16 45 0 4 1 0 1 1 0 8 0
sysvmsgpl 40 7 0 5 2 1 1 1 0 8 0
semapl 112 95 0 85 1 0 1 1 0 8 0
shmpl 112 12 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2891 0 1481 89 0 89 89 0 8 0
ffsino 272 2891 0 1481 95 0 95 95 0 8 0
nchpl 144 4688 0 3067 61 0 61 61 0 8 0
uvmvnodes 80 3765 0 0 77 0 77 77 0 8 0
vnodes 224 3765 0 0 222 0 222 222 0 8 0
namei 1024 14421 0 14421 1 0 1 1 0 8 1
percpumem 16 45 0 11 1 0 1 1 0 8 0
vcpupl 2048 3 0 0 1 0 1 1 0 8 0
vmpool 560 3 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0
scxspl 216 12580 0 12580 11 10 1 8 0 8 1
plimitpl 152 70 0 61 1 0 1 1 0 8 0
sigapl 424 1246 0 1213 4 0 4 4 0 8 0
futexpl 64 7305 0 7305 1 0 1 1 0 8 1
knotepl 112 62 0 0 2 0 2 2 0 8 0
kqueuepl 216 276 0 268 9 8 1 5 0 8 0
pipepl 336 145 0 135 3 2 1 2 0 8 0
fdescpl 496 1231 0 1213 3 0 3 3 0 8 0
filepl 152 8507 0 8399 26 16 10 10 0 8 5
lockfpl 104 173 0 170 1 0 1 1 0 8 0
lockfspl 48 79 0 76 1 0 1 1 0 8 0
sessionpl 144 18 0 7 1 0 1 1 0 8 0
pgrppl 48 18 0 7 1 0 1 1 0 8 0
ucredpl 96 509 0 497 1 0 1 1 0 8 0
zombiepl 144 1213 0 1212 1 0 1 1 0 8 0
processpl 1064 1246 0 1212 3 0 3 3 0 8 0
procpl 672 3294 0 3252 7 2 5 5 0 8 1
sosppl 168 13 0 13 3 3 0 1 0 8 0
sockpl 480 2075 0 2050 80 60 20 20 0 8 16
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 11 0 0 2 0 2 2 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 183 0 0 22 1 21 22 0 8 0
mtagpl 96 74 0 0 2 0 2 2 0 8 0
mbufpl 256 794 0 0 48 0 48 48 0 8 0
bufpl 288 4789 0 167 331 0 331 331 0 8 0
anonpl 24 337229 0 319939 135 8 127 131 0 186 21
amapchunkpl 152 35318 0 34645 35 6 29 31 0 158 0
amappl16 200 3357 0 2824 43 10 33 41 0 8 4
amappl15 192 76 0 71 1 0 1 1 0 8 0
amappl14 184 3 0 1 1 0 1 1 0 8 0
amappl13 176 31 0 29 1 0 1 1 0 8 0
amappl12 168 488 0 486 1 0 1 1 0 8 0
amappl11 160 68 0 49 1 0 1 1 0 8 0
amappl10 152 9 0 6 1 0 1 1 0 8 0
amappl9 144 755 0 750 1 0 1 1 0 8 0
amappl8 136 372 0 334 2 0 2 2 0 8 0
amappl7 128 55 0 48 1 0 1 1 0 8 0
amappl6 120 550 0 540 1 0 1 1 0 8 0
amappl5 112 1200 0 1179 1 0 1 1 0 8 0
amappl4 104 588 0 559 1 0 1 1 0 8 0
amappl3 96 699 0 681 1 0 1 1 0 8 0
amappl2 88 1352 0 1309 4 3 1 3 0 8 0
amappl1 80 24334 0 23888 13 3 10 13 0 8 0
amappl 88 14452 0 14283 5 0 5 5 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 14 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1234 0 1213 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1234 0 1213 1 0 1 1 0 8 0
vmmpekpl 168 12997 0 12976 3 1 2 2 0 8 0
vmmpepl 168 114160 0 112354 108 20 88 96 0 357 6
vmsppl 368 1233 0 1213 2 0 2 2 0 8 0
rwobjpl 56 33480 0 28382 75 2 73 73 0 8 1
pdppl 4096 2476 0 2429 65 16 49 50 0 8 2
pvpl 32 621288 0 600639 215 18 197 204 0 265 28
pmappl 248 1233 0 1213 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 703 0 35 20 0 20 20 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7fffff7fa0, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7fffff7fa0, 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:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: 8
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: -7
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 0b9027416dbe Declare pthread_atfork as weak to avoid a fat..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1590680db00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=bb2f63f076618e9ed0d3
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bb2f63...@syzkaller.appspotmail.com
panic: uvm_fault_unwire_locked: address not in map
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
213803 54187 0 0 0 0 syz-executor.1
* 95442 54187 0 0 0x4000000 1K syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, 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:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: -7
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000246ab680
rbx 0xffff800020d39bff
rdx 0x8b
rcx 0x2
rax 0x33
r8 0xffffffff81535884 kprintf+0x144
r9 0x1
r10 0x220bb413b377fc62
r11 0x238012f818113f1
r12 0xffff800020d39a00
r13 0
r14 0
r15 0x1
rip 0xffffffff81d4ebf8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000246ab670
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.1) pid=95442 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000fffeefc8,0xffffffff828b1ea0
process=0xffff8000ffffadc0 user=0xffff8000246a6000, vmspace=0xfffffd806ee3fb88
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
54187 213803 51459 0 7 0 syz-executor.1
*54187 95442 51459 0 7 0x4000000 syz-executor.1
96443 74558 0 0 3 0x14200 bored sosplice
51459 170029 75467 0 3 0x82 nanoslp syz-executor.1
36438 463205 75467 0 3 0x82 nanoslp syz-executor.0
75467 436510 70388 0 3 0x82 thrsleep syz-fuzzer
75467 384518 70388 0 3 0x4000082 nanoslp syz-fuzzer
75467 379337 70388 0 3 0x4000082 kqread syz-fuzzer
75467 258236 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 419161 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 397779 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 128578 70388 0 3 0x4000082 thrsleep syz-fuzzer
75467 336708 70388 0 3 0x4000082 thrsleep syz-fuzzer
70388 295745 50775 0 3 0x10008a sigsusp ksh
50775 188634 83645 0 3 0x9a kqread sshd
57804 270151 1 0 3 0x100083 ttyin getty
83645 222394 1 0 3 0x88 kqread sshd
17160 257022 22063 74 3 0x100092 bpf pflogd
22063 76217 1 0 3 0x80 netio pflogd
91983 513671 60794 73 3 0x100090 kqread syslogd
60794 22026 1 0 3 0x100082 netio syslogd
43309 450689 1 0 3 0x100080 kqread resolvd
92285 264757 17 77 3 0x100092 kqread dhcpleased
6527 512093 17 77 3 0x100092 kqread dhcpleased
17 435653 1 0 3 0x80 kqread dhcpleased
35362 336361 0 0 3 0x14200 bored smr
26578 382506 0 0 3 0x14200 pgzero zerothread
6391 229175 0 0 3 0x14200 aiodoned aiodoned
39257 472629 0 0 3 0x14200 syncer update
11190 340375 0 0 3 0x14200 cleaner cleaner
510 58839 0 0 3 0x14200 reaper reaper
52681 288934 0 0 3 0x14200 pgdaemon pagedaemon
81427 36205 0 0 3 0x14200 bored viomb
70165 284793 0 0 3 0x40014200 acpi0 acpi0
64448 249772 0 0 3 0x40014200 idle1
52784 144838 0 0 3 0x14200 bored softnet
68794 256428 0 0 3 0x14200 bored systqmp
78617 521372 0 0 3 0x14200 bored systq
42763 24326 0 0 3 0x40014200 bored softclock
49181 176075 0 0 3 0x40014200 idle0
1 209905 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 54187 (syz-executor.1) thread 0xffff8000fffef7a8 (95442)
exclusive rwlock vmmaplk r = 0 (0xfffffd806ee3fba0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 uvm_map_pageable_wire+0x355 vm_map_unbusy_ln sys/uvm/uvm_map.c:5553 [inline]
#1 uvm_map_pageable_wire+0x355 sys/uvm/uvm_map.c:2403
#2 sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
#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 (0xffffffff829f2050)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10134 6530K 6918K 78643K 13484 0
pcb 13 14K 16K 78643K 277 0
rtable 113 4K 5K 78643K 192 0
ifaddr 45 11K 11K 78643K 97 0
counters 44 34K 34K 78643K 66 0
ioctlops 0 0K 4K 78643K 1634 0
iov 0 0K 16K 78643K 30 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1338 84K 84K 78643K 2144 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 5 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 97 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 996 0
sigio 0 0K 0K 78643K 26 0
proc 70 87K 111K 78643K 370 0
subproc 26 1K 1K 78643K 26 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 45 0
in_multi 33 2K 2K 78643K 80 0
ether_multi 1 0K 0K 78643K 24 0
mrt 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 2K 78643K 427 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 229 80K 82K 78643K 14797 0
UVM aobj 15 5K 5K 78643K 15 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 61 0
NDP 6 0K 0K 78643K 21 0
temp 81 4194K 4258K 78643K 5626 0
kqueue 12 18K 20K 78643K 38 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 49 0 46 1 0 1 1 0 8 0
rtentry 112 46 0 1 2 0 2 2 0 8 0
unpcb 128 383 0 368 7 6 1 5 0 8 0
syncache 296 17 0 17 5 4 1 1 0 8 1
tcpqe 32 40 0 40 2 1 1 1 0 8 1
tcpcb 736 388 0 384 16 14 2 7 0 8 1
arp 120 6 0 0 1 0 1 1 0 8 0
inpcb 304 1640 0 1633 39 28 11 11 0 8 10
nd6 48 7 0 0 1 0 1 1 0 8 0
pkpcb 40 3 0 3 1 1 0 1 0 8 0
kcovpl 48 2 0 0 1 0 1 1 0 8 0
ppxss 1248 3 0 3 1 1 0 1 0 8 0
pffrag 232 9 0 7 1 0 1 1 0 482 0
pffrnode 88 9 0 7 1 0 1 1 0 8 0
pffrent 40 111 0 109 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
pfrktable 1344 3 0 1 1 0 1 1 0 8 0
pfstitem 24 34 0 22 1 0 1 1 0 8 0
pfstkey 112 34 0 22 1 0 1 1 0 8 0
pfstate 320 34 0 22 2 0 2 2 0 8 0
pfrule 1360 43 0 30 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 193 0 0 13 0 13 13 0 8 0
art_table 32 194 0 0 2 0 2 2 0 8 0
art_node 16 45 0 4 1 0 1 1 0 8 0
sysvmsgpl 40 7 0 5 2 1 1 1 0 8 0
semapl 112 95 0 85 1 0 1 1 0 8 0
shmpl 112 12 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2891 0 1481 89 0 89 89 0 8 0
ffsino 272 2891 0 1481 95 0 95 95 0 8 0
nchpl 144 4688 0 3067 61 0 61 61 0 8 0
uvmvnodes 80 3765 0 0 77 0 77 77 0 8 0
vnodes 224 3765 0 0 222 0 222 222 0 8 0
namei 1024 14421 0 14421 1 0 1 1 0 8 1
percpumem 16 45 0 11 1 0 1 1 0 8 0
vcpupl 2048 3 0 0 1 0 1 1 0 8 0
vmpool 560 3 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0
scxspl 216 12580 0 12580 11 10 1 8 0 8 1
plimitpl 152 70 0 61 1 0 1 1 0 8 0
sigapl 424 1246 0 1213 4 0 4 4 0 8 0
futexpl 64 7305 0 7305 1 0 1 1 0 8 1
knotepl 112 62 0 0 2 0 2 2 0 8 0
kqueuepl 216 276 0 268 9 8 1 5 0 8 0
pipepl 336 145 0 135 3 2 1 2 0 8 0
fdescpl 496 1231 0 1213 3 0 3 3 0 8 0
filepl 152 8507 0 8399 26 16 10 10 0 8 5
lockfpl 104 173 0 170 1 0 1 1 0 8 0
lockfspl 48 79 0 76 1 0 1 1 0 8 0
sessionpl 144 18 0 7 1 0 1 1 0 8 0
pgrppl 48 18 0 7 1 0 1 1 0 8 0
ucredpl 96 509 0 497 1 0 1 1 0 8 0
zombiepl 144 1213 0 1212 1 0 1 1 0 8 0
processpl 1064 1246 0 1212 3 0 3 3 0 8 0
procpl 672 3294 0 3252 7 2 5 5 0 8 1
sosppl 168 13 0 13 3 3 0 1 0 8 0
sockpl 480 2075 0 2050 80 60 20 20 0 8 16
mcl64k 65536 9 0 0 2 0 2 2 0 8 0
mcl16k 16384 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 11 0 0 2 0 2 2 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 183 0 0 22 1 21 22 0 8 0
mtagpl 96 74 0 0 2 0 2 2 0 8 0
mbufpl 256 794 0 0 48 0 48 48 0 8 0
bufpl 288 4789 0 167 331 0 331 331 0 8 0
anonpl 24 337229 0 319939 135 8 127 131 0 186 21
amapchunkpl 152 35318 0 34645 35 6 29 31 0 158 0
amappl16 200 3357 0 2824 43 10 33 41 0 8 4
amappl15 192 76 0 71 1 0 1 1 0 8 0
amappl14 184 3 0 1 1 0 1 1 0 8 0
amappl13 176 31 0 29 1 0 1 1 0 8 0
amappl12 168 488 0 486 1 0 1 1 0 8 0
amappl11 160 68 0 49 1 0 1 1 0 8 0
amappl10 152 9 0 6 1 0 1 1 0 8 0
amappl9 144 755 0 750 1 0 1 1 0 8 0
amappl8 136 372 0 334 2 0 2 2 0 8 0
amappl7 128 55 0 48 1 0 1 1 0 8 0
amappl6 120 550 0 540 1 0 1 1 0 8 0
amappl5 112 1200 0 1179 1 0 1 1 0 8 0
amappl4 104 588 0 559 1 0 1 1 0 8 0
amappl3 96 699 0 681 1 0 1 1 0 8 0
amappl2 88 1352 0 1309 4 3 1 3 0 8 0
amappl1 80 24334 0 23888 13 3 10 13 0 8 0
amappl 88 14452 0 14283 5 0 5 5 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 14 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1234 0 1213 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1234 0 1213 1 0 1 1 0 8 0
vmmpekpl 168 12997 0 12976 3 1 2 2 0 8 0
vmmpepl 168 114160 0 112354 108 20 88 96 0 357 6
vmsppl 368 1233 0 1213 2 0 2 2 0 8 0
rwobjpl 56 33480 0 28382 75 2 73 73 0 8 1
pdppl 4096 2476 0 2429 65 16 49 50 0 8 2
pvpl 32 621288 0 600639 215 18 197 204 0 265 28
pmappl 248 1233 0 1213 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 703 0 35 20 0 20 20 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7fffff7fa0, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff8277fff0) 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(ffffffff829f1e48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff829f1e48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7fffff7fa0, 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:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: 8
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff824f0b3b) at panic+0x177 sys/kern/subr_prf.c:202
uvm_fault_unwire_locked(fffffd806ee3fb88,206313000,206313000) at uvm_fault_unwire_locked+0x371
uvm_map_pageable_wire(fffffd806ee3fb88,fffffd8068242590,fffffd8068245968,12a,0,0) at uvm_map_pageable_wire+0x5b0 sys/uvm/uvm_map.c:2422
sys_mlock(ffff8000fffef7a8,ffff8000246ab8d8,ffff8000246ab930) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:772
syscall(ffff8000246ab9a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000246ab9a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2db463da0, count: -7
---
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