kernel: page fault trap, code=0
Stopped at __kernel_phys_end+0xd400000: uvm_fault(0xffffffff829dcab8, 0x10000000, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*130418 9210 0 0x14000 0x200 0 reaper
db_read_bytes(10000000,1,ffff8000216bfe08) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(10000000,1,0) at db_get_value+0x59 sys/ddb/db_access.c:59
db_disasm(10000000,0) at db_disasm+0x84
db_trap(6,0) at db_trap+0x112 sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff8000216c0090) at db_ktrap+0x1a8 sys/arch/amd64/amd64/db_interface.c:151
kerntrap(ffff8000216c0090) at kerntrap+0x12b sys/arch/amd64/amd64/trap.c:309
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
__kernel_phys_end() at __kernel_phys_end+0xd400000
softclock_process_tick_timeout(fffffd80650b5e98,0) at softclock_process_tick_timeout+0x1ac sys/kern/kern_timeout.c:725
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:756
softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
pool_put(ffffffff82ac60c0,fffffd806c6825b0) at pool_put+0x1c8 sys/kern/subr_pool.c:812
amap_wipeout(fffffd806c6825b0) at amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
end trace frame: 0xffff8000216c03f0, count: 0
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
*cpu0: uvm_fault(0xffffffff829dcab8, 0x10000000, 0, 1) -> e
ddb> trace
db_read_bytes(10000000,1,ffff8000216bfe08) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(10000000,1,0) at db_get_value+0x59 sys/ddb/db_access.c:59
db_disasm(10000000,0) at db_disasm+0x84
db_trap(6,0) at db_trap+0x112 sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff8000216c0090) at db_ktrap+0x1a8 sys/arch/amd64/amd64/db_interface.c:151
kerntrap(ffff8000216c0090) at kerntrap+0x12b sys/arch/amd64/amd64/trap.c:309
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
__kernel_phys_end() at __kernel_phys_end+0xd400000
softclock_process_tick_timeout(fffffd80650b5e98,0) at softclock_process_tick_timeout+0x1ac sys/kern/kern_timeout.c:725
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:756
softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
pool_put(ffffffff82ac60c0,fffffd806c6825b0) at pool_put+0x1c8 sys/kern/subr_pool.c:812
amap_wipeout(fffffd806c6825b0) at amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
uvm_unmap_detach(ffff8000216c0400,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1351
uvm_map_teardown(fffffd806c597cd0) at uvm_map_teardown+0x232 sys/uvm/uvm_map.c:2543
uvmspace_free(fffffd806c597cd0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3436
reaper(ffff8000ffff97a8) at reaper+0x15d sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -18
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000216bfdf0
rbx 0x1
rdx 0
rcx 0x30
rax 0xffff8000ffff97a8
r8 0xffff8000216bff10
r9 0x8080808080808080
r10 0x1738f7d75352d9cc
r11 0x532d6cada3c975f0
r12 0x1
r13 0x1
r14 0xffff8000216bfe09
r15 0x10000001 __kernel_phys_end+0xd400001
rip 0xffffffff81209a80 db_read_bytes+0xd0
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff8000216bfd90
ss 0x10
db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax
ddb> show proc
PROC (reaper) pid=130418 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=4, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000fffff7a0,0xffff8000ffff9518
process=0xffff8000ffffa008 user=0xffff8000216bb000, vmspace=0xffffffff829dcab8
estcpu=0, cpticks=1, pctcpu=0.5
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
48312 391045 54245 0 2 0 syz-executor.4
29512 156708 90560 0 2 0x482 syz-executor.3
45738 49992 90560 0 3 0x82 piperd syz-executor.1
78735 229097 1 0 3 0x100083 ttyin getty
6721 520568 90560 0 3 0x82 piperd syz-executor.0
82762 355935 90560 0 3 0x82 piperd syz-executor.2
54245 519002 90560 0 2 0x2 syz-executor.4
51875 458715 90560 0 3 0x82 piperd syz-executor.7
26358 39684 90560 0 2 0x2 syz-executor.6
88597 191591 90560 0 3 0x82 piperd syz-executor.5
69543 396020 0 0 3 0x14200 acct acct
10571 190408 0 0 3 0x14200 bored sosplice
90560 421563 94658 0 3 0x82 wait syz-fuzzer
90560 429340 94658 0 2 0x4000002 syz-fuzzer
90560 140024 94658 0 3 0x4000082 thrsleep syz-fuzzer
90560 224820 94658 0 3 0x4000082 wait syz-fuzzer
90560 127791 94658 0 3 0x4000082 wait syz-fuzzer
90560 7060 94658 0 3 0x4000082 thrsleep syz-fuzzer
90560 33972 94658 0 3 0x4000082 wait syz-fuzzer
90560 68620 94658 0 3 0x4000082 wait syz-fuzzer
90560 165722 94658 0 3 0x4000082 thrsleep syz-fuzzer
90560 43748 94658 0 3 0x4000082 thrsleep syz-fuzzer
90560 193771 94658 0 3 0x4000082 wait syz-fuzzer
90560 102670 94658 0 2 0x4000002 syz-fuzzer
90560 249097 94658 0 3 0x4000082 wait syz-fuzzer
90560 64513 94658 0 3 0x4000082 wait syz-fuzzer
94658 222254 97063 0 3 0x10008a sigsusp ksh
97063 269460 74838 0 3 0x9a kqread sshd
74838 408422 1 0 3 0x88 kqread sshd
3583 466959 37011 73 3 0x1100090 kqread syslogd
37011 496374 1 0 3 0x100082 netio syslogd
41083 50334 1 0 3 0x100080 kqread resolvd
82484 455425 35456 77 3 0x100092 kqread dhcpleased
38303 96834 35456 77 3 0x100092 kqread dhcpleased
35456 222200 1 0 3 0x80 kqread dhcpleased
48943 53134 0 0 3 0x14200 bored smr
88819 503176 0 0 2 0x14200 zerothread
20735 456665 0 0 3 0x14200 aiodoned aiodoned
11496 429823 0 0 3 0x14200 syncer update
56131 346621 0 0 3 0x14200 cleaner cleaner
* 9210 130418 0 0 7 0x14200 reaper
76681 388986 0 0 3 0x14200 pgdaemon pagedaemon
56917 513988 0 0 3 0x14200 bored viomb
52584 225493 0 0 3 0x40014200 acpi0 acpi0
58745 30999 0 0 3 0x14200 bored softnet
83885 229159 0 0 3 0x14200 bored softnet
60193 261071 0 0 3 0x14200 bored softnet
31911 282098 0 0 3 0x14200 bored softnet
79339 6663 0 0 3 0x14200 bored systqmp
14352 194904 0 0 3 0x14200 bored systq
86655 469324 0 0 3 0x40014200 bored softclock
97694 366065 0 0 3 0x40014200 idle0
1 64791 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
devbuf 10228 6454K 18725K 78643K 40190 0
pcb 13 22K 27K 78643K 2689 0
rtable 272 34K 36K 78643K 9311 0
ifaddr 254 64K 82K 78643K 4163 0
sysctl 2 0K 2K 78643K 39 0
counters 27 17K 17K 78643K 482 0
ioctlops 0 0K 4K 78643K 4698 0
iov 0 0K 32K 78643K 2485 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1471 92K 92K 78643K 12920 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 134 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 2035 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 11 37K 77K 78643K 20249 0
sigio 0 0K 0K 78643K 641 0
proc 72 59K 83K 78643K 4590 0
subproc 104 6K 8K 78643K 1680 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1579 0
in_multi 68 4K 6K 78643K 1797 0
ether_multi 2 0K 0K 78643K 75 0
mrt 6 0K 0K 78643K 90 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 259 1155K 1155K 78643K 259 0
exec 0 0K 2K 78643K 6799 0
pfkey data 0 0K 0K 78643K 42 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 269 88K 103K 78643K 109576 0
UVM aobj 131 6K 6K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 850 0
NDP 16 0K 2K 78643K 673 0
temp 145 4726K 5751K 78643K 542335 0
kqueue 12 18K 26K 78643K 1567 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 3547 0 3544 34 33 1 3 0 8 0
rtentry 112 1789 0 1710 5 2 3 4 0 8 0
unpcb 144 19426 0 19413 148 147 1 8 0 8 0
syncache 296 38 0 38 10 10 0 1 0 8 0
tcpqe 32 169 0 169 6 6 0 1 0 8 0
tcpcb 768 19077 0 19073 531 530 1 23 0 8 0
arp 88 315 0 301 1 0 1 1 0 8 0
ipq 40 43 0 43 6 6 0 1 0 8 0
ipqe 40 127 0 127 6 6 0 1 0 8 0
inpcb 336 27974 0 27967 357 356 1 21 0 8 0
ip6q 72 26 0 26 3 3 0 1 0 8 0
ip6af 40 48 0 48 3 3 0 1 0 8 0
nd6 48 405 0 386 1 0 1 1 0 8 0
pkpcb 40 34 0 34 10 10 0 1 0 8 0
kcovpl 48 129 0 121 1 0 1 1 0 8 0
ppxss 1160 237 0 237 27 27 0 1 0 8 0
pfstscr 40 212 0 198 3 2 1 1 0 8 0
pfosfp 40 11 0 8 2 1 1 1 0 8 0
pfosfpen 112 11 0 8 2 1 1 1 0 8 0
pfrktable 1344 996 0 962 7 4 3 4 0 8 0
pfanchor 1280 565 254 53 43 0 43 43 0 8 0
pftag 88 16 0 5 1 0 1 1 0 8 0
pfqueue 264 4 0 4 2 2 0 1 0 8 0
pfstitem 24 690 0 675 2 0 2 2 0 8 0
pfstkey 120 1546 0 1544 3 2 1 1 0 8 0
pfstate 336 1112 0 1098 16 10 6 13 0 8 0
pfrule 1360 1044 0 892 16 3 13 13 0 8 0
rttmr 136 21 0 21 7 7 0 1 0 8 0
art_heap8 4096 48 0 47 14 13 1 3 0 8 0
art_heap4 256 7682 0 7366 72 52 20 31 0 8 0
art_table 32 7730 0 7413 4 1 3 4 0 8 0
art_node 16 1775 0 1707 1 0 1 1 0 8 0
sysvmsgpl 40 38 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 2030 0 2020 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 26989 0 25481 95 0 95 95 0 8 0
ffsino 240 26989 0 25481 89 0 89 89 0 8 0
nchpl 144 54853 0 54344 63 42 21 63 0 8 0
rtmask 32 15 0 15 4 4 0 1 0 8 0
uvmvnodes 80 7703 0 0 158 0 158 158 0 8 0
vnodes 216 7703 0 0 428 0 428 428 0 8 0
namei 1024 208457 0 208457 19 18 1 2 0 8 1
pfiaddrpl 120 425 0 322 5 1 4 4 0 8 0
kstatmem 264 748 0 716 3 0 3 3 0 8 0
scsiplug 72 21 0 21 5 5 0 1 0 8 0
scxspl 216 160119 0 160119 49 48 1 8 0 8 1
plimitpl 152 2875 0 2860 1 0 1 1 0 8 0
sigapl 424 20291 0 20250 6 0 6 6 0 8 0
futexpl 64 198384 0 198384 9 8 1 1 0 8 1
knotepl 120 286028 0 285948 139 135 4 15 0 8 0
kqueuepl 184 3519 0 3511 40 39 1 6 0 8 0
pipepl 288 4012 0 3984 86 83 3 9 0 8 0
fdescpl 432 20272 0 20250 4 0 4 4 0 8 0
filepl 120 158200 0 157967 230 222 8 19 0 8 0
lockfpl 104 5140 0 5138 8 7 1 2 0 8 0
lockfspl 48 1564 0 1562 1 0 1 1 0 8 0
sessionpl 144 149 0 133 1 0 1 1 0 8 0
pgrppl 48 639 0 623 1 0 1 1 0 8 0
ucredpl 104 20394 0 20382 1 0 1 1 0 8 0
zombiepl 144 20251 0 20250 6 5 1 1 0 8 0
processpl 1000 20291 0 20250 9 3 6 7 0 8 0
procpl 672 50767 0 50713 17 10 7 8 0 8 0
sosppl 168 139 0 139 28 28 0 1 0 8 0
sockpl 456 51010 0 50987 1122 1118 4 44 0 8 1
mcl64k 65536 651 0 651 58 58 0 1 0 8 0
mcl16k 16384 187 0 187 54 54 0 1 0 8 0
mcl12k 12288 687 0 687 60 59 1 1 0 8 1
mcl9k 9216 207 0 207 54 54 0 1 0 8 0
mcl8k 8192 1070 0 1070 45 45 0 1 0 8 0
mcl4k 4096 2030 0 2030 34 33 1 1 0 8 1
mcl2k2 2112 148 0 148 42 42 0 1 0 8 0
mcl2k 2048 126055 0 125987 64 54 10 26 0 8 0
mtagpl 96 2036 0 1947 27 24 3 10 0 8 0
mbufpl 256 457819 0 457490 1774 1748 26 548 0 8 0
bufpl 288 40329 0 32625 551 0 551 551 0 8 0
anonpl 24 3821818 0 3807641 222 94 128 143 0 188 0
amapchunkpl 152 348445 0 347882 153 126 27 41 0 158 0
amappl16 200 57955 0 57352 180 141 39 55 0 8 0
amappl15 192 3076 0 3076 7 6 1 1 0 8 1
amappl14 184 1284 0 1275 1 0 1 1 0 8 0
amappl13 176 4013 0 4010 1 0 1 1 0 8 0
amappl12 168 1443 0 1436 1 0 1 1 0 8 0
amappl11 160 2371 0 2354 1 0 1 1 0 8 0
amappl10 152 1688 0 1684 1 0 1 1 0 8 0
amappl9 144 4480 0 4468 1 0 1 1 0 8 0
amappl8 136 5766 0 5675 6 2 4 4 0 8 0
amappl7 128 3685 0 3661 1 0 1 1 0 8 0
amappl6 120 4782 0 4764 2 1 1 2 0 8 0
amappl5 112 15546 0 15538 1 0 1 1 0 8 0
amappl4 104 7616 0 7584 2 1 1 2 0 8 0
amappl3 96 60249 0 60210 2 0 2 2 0 8 0
amappl2 88 24230 0 24170 2 0 2 2 0 8 0
amappl1 80 470457 0 469850 33 17 16 21 0 8 0
amappl 88 106917 0 106774 6 1 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 20272 0 20250 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 20272 0 20250 1 0 1 1 0 8 0
vmmpekpl 168 147532 0 147481 3 0 3 3 0 8 0
vmmpepl 168 1999406 0 1997034 497 360 137 160 0 357 0
vmsppl 272 20271 0 20249 6 4 2 3 0 8 0
rwobjpl 24 472486 0 463018 66 8 58 58 0 8 0
pdppl 4096 40550 0 40498 1466 1404 62 70 0 8 10
pvpl 32 7659758 0 7641427 519 317 202 259 0 265 0
pmappl 216 20271 0 20249 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 4822 0 3937 48 22 26 38 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_read_bytes(10000000,1,ffff8000216bfe08) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(10000000,1,0) at db_get_value+0x59 sys/ddb/db_access.c:59
db_disasm(10000000,0) at db_disasm+0x84
db_trap(6,0) at db_trap+0x112 sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff8000216c0090) at db_ktrap+0x1a8 sys/arch/amd64/amd64/db_interface.c:151
kerntrap(ffff8000216c0090) at kerntrap+0x12b sys/arch/amd64/amd64/trap.c:309
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
__kernel_phys_end() at __kernel_phys_end+0xd400000
softclock_process_tick_timeout(fffffd80650b5e98,0) at softclock_process_tick_timeout+0x1ac sys/kern/kern_timeout.c:725
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:756
softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
pool_put(ffffffff82ac60c0,fffffd806c6825b0) at pool_put+0x1c8 sys/kern/subr_pool.c:812
amap_wipeout(fffffd806c6825b0) at amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
uvm_unmap_detach(ffff8000216c0400,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1351
uvm_map_teardown(fffffd806c597cd0) at uvm_map_teardown+0x232 sys/uvm/uvm_map.c:2543
uvmspace_free(fffffd806c597cd0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3436
reaper(ffff8000ffff97a8) at reaper+0x15d sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -18
ddb> machine ddbcpu 1
No such command
ddb> trace
db_read_bytes(10000000,1,ffff8000216bfe08) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85
db_get_value(10000000,1,0) at db_get_value+0x59 sys/ddb/db_access.c:59
db_disasm(10000000,0) at db_disasm+0x84
db_trap(6,0) at db_trap+0x112 sys/ddb/db_trap.c:71
db_ktrap(6,0,ffff8000216c0090) at db_ktrap+0x1a8 sys/arch/amd64/amd64/db_interface.c:151
kerntrap(ffff8000216c0090) at kerntrap+0x12b sys/arch/amd64/amd64/trap.c:309
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
__kernel_phys_end() at __kernel_phys_end+0xd400000
softclock_process_tick_timeout(fffffd80650b5e98,0) at softclock_process_tick_timeout+0x1ac sys/kern/kern_timeout.c:725
softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:756
softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x1f
pool_put(ffffffff82ac60c0,fffffd806c6825b0) at pool_put+0x1c8 sys/kern/subr_pool.c:812
amap_wipeout(fffffd806c6825b0) at amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
uvm_unmap_detach(ffff8000216c0400,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1351
uvm_map_teardown(fffffd806c597cd0) at uvm_map_teardown+0x232 sys/uvm/uvm_map.c:2543
uvmspace_free(fffffd806c597cd0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3436
reaper(ffff8000ffff97a8) at reaper+0x15d sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -18