panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va ADDR, opte ADDR, pa ADDR
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syzbot
Jan 11, 2022, 2:53:19 AM1/11/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 8e544e80ad05 spelling
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=128f47bfb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=50a891f1696442f05cb8
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+50a891...@syzkaller.appspotmail.com
panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va 0xb3922816000, opte 0xffffffffffffffff, pa 0x7c35c000
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*497395 8517 0 0 0 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: 7
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: pmap_enter: PG_PVLIST mapping with unmanaged page: va 0xb3922816000, opte 0xffffffffffffffff, pa 0x7c35c000
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002310efb0
rbx 0x400
rdx 0
rcx 0
rax 0xffff800024b26548
r8 0x101010101010101
r9 0x8080808080808080
r10 0x6018847a371422c5
r11 0x901cc43e7f0c31d3
r12 0
r13 0xffffffffffffffff
r14 0
r15 0x1
rip 0xffffffff8143fc28 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002310efa0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=497395 stat=onproc
flags process=0 proc=0
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff80002165d500,0xffffffff828e7268
process=0xffff80002166e408 user=0xffff80002310a000, vmspace=0xfffffd806aebd340
estcpu=36, cpticks=3, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 8517 497395 72368 0 7 0 syz-executor.0
27693 172790 0 0 3 0x14200 bored sosplice
63159 438789 1 0 3 0x100083 ttyin getty
94661 418580 42428 0 3 0x82 nanoslp syz-executor.2
80453 133084 42428 0 3 0x2 biowait syz-executor.1
82119 74220 42428 0 3 0x82 nanoslp syz-executor.3
72368 37625 42428 0 3 0x82 nanoslp syz-executor.0
42428 377673 35278 0 3 0x82 thrsleep syz-fuzzer
42428 266924 35278 0 3 0x4000082 nanoslp syz-fuzzer
42428 89937 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 414278 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 9308 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 21397 35278 0 3 0x4000082 kqread syz-fuzzer
35278 234740 32278 0 3 0x10008a sigsusp ksh
32278 198607 89280 0 3 0x9a poll sshd
89280 333871 1 0 3 0x88 poll sshd
69876 265799 17432 73 3 0x100090 kqread syslogd
17432 139994 1 0 3 0x100082 netio syslogd
64872 496373 1 0 3 0x100080 kqread resolvd
89137 157853 51735 77 3 0x100092 kqread dhcpleased
71093 302743 51735 77 3 0x100092 kqread dhcpleased
51735 230963 1 0 3 0x80 kqread dhcpleased
71050 237613 0 0 3 0x14200 bored smr
89166 349202 0 0 2 0x14200 zerothread
14204 187391 0 0 3 0x14200 aiodoned aiodoned
49044 420823 0 0 3 0x14200 syncer update
23770 136725 0 0 3 0x14200 cleaner cleaner
73302 40255 0 0 3 0x14200 reaper reaper
90867 464610 0 0 3 0x14200 pgdaemon pagedaemon
37083 338823 0 0 3 0x14200 bored viomb
6123 222353 0 0 3 0x40014200 acpi0 acpi0
92805 42020 0 0 3 0x14200 bored softnet
27650 153067 0 0 3 0x14200 bored systqmp
86616 227921 0 0 3 0x14200 bored systq
4899 519686 0 0 3 0x40014200 bored softclock
17667 361909 0 0 3 0x40014200 idle0
1 512293 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 10151 6396K 6721K 78643K 13045 0
pcb 13 13K 14K 78643K 178 0
rtable 162 7K 9K 78643K 334 0
ifaddr 61 14K 14K 78643K 188 0
sysctl 2 0K 0K 78643K 2 0
counters 23 16K 17K 78643K 30 0
ioctlops 0 0K 4K 78643K 10517 0
iov 0 0K 12K 78643K 210 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1290 81K 81K 78643K 2096 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 17 0
VM map 2 0K 0K 78643K 2 0
sem 12 1K 1K 78643K 166 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 7 21K 37K 78643K 6755 0
sigio 0 0K 0K 78643K 8 0
proc 58 55K 71K 78643K 393 0
subproc 52 3K 3K 78643K 52 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 23 0
in_multi 55 3K 3K 78643K 77 0
ether_multi 1 0K 0K 78643K 12 0
mrt 0 0K 0K 78643K 6 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 697 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 235 50K 51K 78643K 81731 0
UVM aobj 23 4K 4K 78643K 23 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 38 0
NDP 7 0K 1K 78643K 22 0
temp 95 4197K 4261K 78643K 23791 0
kqueue 10 14K 18K 78643K 41 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 84 0 81 2 1 1 2 0 8 0
rtentry 112 72 0 6 2 0 2 2 0 8 0
unpcb 136 1022 0 1009 13 12 1 6 0 8 0
syncache 296 11 0 11 2 2 0 1 0 8 0
tcpqe 32 102 0 102 1 1 0 1 0 8 0
tcpcb 736 474 0 470 27 26 1 8 0 8 0
arp 88 10 0 0 1 0 1 1 0 8 0
inpcb 304 3027 0 3020 30 29 1 11 0 8 0
rttmr 72 3 0 3 1 1 0 1 0 8 0
nd6 48 13 0 1 1 0 1 1 0 8 0
kcovpl 48 4 0 0 1 0 1 1 0 8 0
pfstscr 40 5462 0 5462 3 3 0 1 0 8 0
pfosfp 40 6 0 5 2 1 1 1 0 8 0
pfosfpen 112 6 0 5 2 1 1 1 0 8 0
pfrktable 1344 28 0 24 1 0 1 1 0 8 0
pftag 88 9 0 8 2 1 1 1 0 8 0
pfqueue 264 6 0 3 1 0 1 1 0 8 0
pfstitem 24 3817 0 3817 3 3 0 1 0 8 0
pfstkey 112 10126 0 10126 3 3 0 1 0 8 0
pfstate 320 5063 0 5063 3 3 0 1 0 8 0
pfrule 1360 86 0 72 3 1 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 278 0 2 18 0 18 18 0 8 0
art_table 32 279 0 2 3 0 3 3 0 8 0
art_node 16 70 0 10 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0
semupl 112 7 0 7 1 1 0 1 0 8 0
semapl 112 154 0 144 1 0 1 1 0 8 0
shmpl 112 20 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 8634 0 7233 89 0 89 89 0 8 0
ffsino 240 8634 0 7233 84 0 84 84 0 8 0
nchpl 144 16761 0 15146 61 0 61 61 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 63702 0 63701 1 0 1 1 0 8 0
vcpupl 1984 5 0 2 1 0 1 1 0 8 0
vmpool 528 12 0 9 1 0 1 1 0 8 0
pfiaddrpl 120 10 0 6 1 0 1 1 0 8 0
scxspl 216 46467 0 46466 9 8 1 8 0 8 0
plimitpl 152 317 0 307 1 0 1 1 0 8 0
sigapl 424 6966 0 6934 5 1 4 5 0 8 0
futexpl 64 54532 0 54532 2 1 1 1 0 8 1
knotepl 112 672 0 621 2 0 2 2 0 8 0
kqueuepl 184 443 0 437 8 7 1 4 0 8 0
pipepl 304 500 0 484 13 11 2 7 0 8 0
fdescpl 432 6952 0 6934 3 0 3 3 0 8 0
filepl 120 42153 0 42007 48 41 7 12 0 8 2
lockfpl 104 474 0 472 1 0 1 1 0 8 0
lockfspl 48 202 0 200 1 0 1 1 0 8 0
sessionpl 144 20 0 8 1 0 1 1 0 8 0
pgrppl 48 26 0 14 1 0 1 1 0 8 0
ucredpl 96 2662 0 2652 1 0 1 1 0 8 0
zombiepl 144 6934 0 6932 1 0 1 1 0 8 0
processpl 1000 6966 0 6932 5 0 5 5 0 8 0
procpl 672 15400 0 15361 5 0 5 5 0 8 0
sosppl 168 9 0 9 2 2 0 1 0 8 0
sockpl 448 4134 0 4111 70 67 3 22 0 8 0
mcl64k 65536 123 0 123 7 7 0 1 0 8 0
mcl16k 16384 32 0 32 8 8 0 1 0 8 0
mcl12k 12288 143 0 143 8 8 0 1 0 8 0
mcl9k 9216 37 0 37 6 6 0 1 0 8 0
mcl8k 8192 202 0 202 11 11 0 1 0 8 0
mcl4k 4096 595 0 595 7 6 1 1 0 8 1
mcl2k2 2112 32 0 32 11 11 0 1 0 8 0
mcl2k 2048 80738 0 80696 23 17 6 12 0 8 0
mtagpl 96 171 0 138 5 2 3 4 0 8 0
mbufpl 256 159437 0 159188 284 260 24 271 0 8 0
bufpl 288 10669 0 4253 459 0 459 459 0 8 0
anonpl 24 1772818 0 1754642 184 68 116 141 0 188 0
amapchunkpl 152 193871 0 193303 34 8 26 31 0 158 0
amappl16 200 16511 0 15811 70 32 38 52 0 8 0
amappl15 192 3357 0 3357 1 0 1 1 0 8 1
amappl14 184 1727 0 1724 1 0 1 1 0 8 0
amappl13 176 39 0 38 1 0 1 1 0 8 0
amappl12 168 1663 0 1660 2 1 1 1 0 8 0
amappl11 160 43 0 33 1 0 1 1 0 8 0
amappl10 152 44 0 37 1 0 1 1 0 8 0
amappl9 144 467 0 465 1 0 1 1 0 8 0
amappl8 136 2105 0 2038 3 0 3 3 0 8 0
amappl7 128 1749 0 1739 1 0 1 1 0 8 0
amappl6 120 137 0 122 1 0 1 1 0 8 0
amappl5 112 3614 0 3600 1 0 1 1 0 8 0
amappl4 104 2285 0 2262 1 0 1 1 0 8 0
amappl3 96 1998 0 1979 1 0 1 1 0 8 0
amappl2 88 2175 0 2133 2 0 2 2 0 8 0
amappl1 80 119728 0 119293 12 1 11 12 0 8 0
amappl 88 81367 0 81221 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 22 0 0 1 0 1 1 0 8 0
uaddrrnd 24 6964 0 6943 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6964 0 6943 1 0 1 1 0 8 0
vmmpekpl 168 36062 0 36035 2 0 2 2 0 8 0
vmmpepl 168 605891 0 603911 159 61 98 132 0 357 3
vmsppl 272 6963 0 6943 3 1 2 2 0 8 0
rwobjpl 24 141741 0 134324 46 0 46 46 0 8 0
pdppl 4096 13934 0 13889 75 24 51 53 0 8 6
pvpl 32 2910988 0 2890959 265 95 170 201 0 265 0
pmappl 216 6963 0 6943 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1176 0 430 28 5 23 24 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
---
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: 8e544e80ad05 spelling
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=128f47bfb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=50a891f1696442f05cb8
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+50a891...@syzkaller.appspotmail.com
panic: pmap_enter: PG_PVLIST mapping with unmanaged page: va 0xb3922816000, opte 0xffffffffffffffff, pa 0x7c35c000
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*497395 8517 0 0 0 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: 7
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: pmap_enter: PG_PVLIST mapping with unmanaged page: va 0xb3922816000, opte 0xffffffffffffffff, pa 0x7c35c000
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002310efb0
rbx 0x400
rdx 0
rcx 0
rax 0xffff800024b26548
r8 0x101010101010101
r9 0x8080808080808080
r10 0x6018847a371422c5
r11 0x901cc43e7f0c31d3
r12 0
r13 0xffffffffffffffff
r14 0
r15 0x1
rip 0xffffffff8143fc28 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002310efa0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=497395 stat=onproc
flags process=0 proc=0
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff80002165d500,0xffffffff828e7268
process=0xffff80002166e408 user=0xffff80002310a000, vmspace=0xfffffd806aebd340
estcpu=36, cpticks=3, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 8517 497395 72368 0 7 0 syz-executor.0
27693 172790 0 0 3 0x14200 bored sosplice
63159 438789 1 0 3 0x100083 ttyin getty
94661 418580 42428 0 3 0x82 nanoslp syz-executor.2
80453 133084 42428 0 3 0x2 biowait syz-executor.1
82119 74220 42428 0 3 0x82 nanoslp syz-executor.3
72368 37625 42428 0 3 0x82 nanoslp syz-executor.0
42428 377673 35278 0 3 0x82 thrsleep syz-fuzzer
42428 266924 35278 0 3 0x4000082 nanoslp syz-fuzzer
42428 89937 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 414278 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 9308 35278 0 3 0x4000082 thrsleep syz-fuzzer
42428 21397 35278 0 3 0x4000082 kqread syz-fuzzer
35278 234740 32278 0 3 0x10008a sigsusp ksh
32278 198607 89280 0 3 0x9a poll sshd
89280 333871 1 0 3 0x88 poll sshd
69876 265799 17432 73 3 0x100090 kqread syslogd
17432 139994 1 0 3 0x100082 netio syslogd
64872 496373 1 0 3 0x100080 kqread resolvd
89137 157853 51735 77 3 0x100092 kqread dhcpleased
71093 302743 51735 77 3 0x100092 kqread dhcpleased
51735 230963 1 0 3 0x80 kqread dhcpleased
71050 237613 0 0 3 0x14200 bored smr
89166 349202 0 0 2 0x14200 zerothread
14204 187391 0 0 3 0x14200 aiodoned aiodoned
49044 420823 0 0 3 0x14200 syncer update
23770 136725 0 0 3 0x14200 cleaner cleaner
73302 40255 0 0 3 0x14200 reaper reaper
90867 464610 0 0 3 0x14200 pgdaemon pagedaemon
37083 338823 0 0 3 0x14200 bored viomb
6123 222353 0 0 3 0x40014200 acpi0 acpi0
92805 42020 0 0 3 0x14200 bored softnet
27650 153067 0 0 3 0x14200 bored systqmp
86616 227921 0 0 3 0x14200 bored systq
4899 519686 0 0 3 0x40014200 bored softclock
17667 361909 0 0 3 0x40014200 idle0
1 512293 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 10151 6396K 6721K 78643K 13045 0
pcb 13 13K 14K 78643K 178 0
rtable 162 7K 9K 78643K 334 0
ifaddr 61 14K 14K 78643K 188 0
sysctl 2 0K 0K 78643K 2 0
counters 23 16K 17K 78643K 30 0
ioctlops 0 0K 4K 78643K 10517 0
iov 0 0K 12K 78643K 210 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1290 81K 81K 78643K 2096 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 17 0
VM map 2 0K 0K 78643K 2 0
sem 12 1K 1K 78643K 166 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 7 21K 37K 78643K 6755 0
sigio 0 0K 0K 78643K 8 0
proc 58 55K 71K 78643K 393 0
subproc 52 3K 3K 78643K 52 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 23 0
in_multi 55 3K 3K 78643K 77 0
ether_multi 1 0K 0K 78643K 12 0
mrt 0 0K 0K 78643K 6 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 697 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 235 50K 51K 78643K 81731 0
UVM aobj 23 4K 4K 78643K 23 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 38 0
NDP 7 0K 1K 78643K 22 0
temp 95 4197K 4261K 78643K 23791 0
kqueue 10 14K 18K 78643K 41 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 84 0 81 2 1 1 2 0 8 0
rtentry 112 72 0 6 2 0 2 2 0 8 0
unpcb 136 1022 0 1009 13 12 1 6 0 8 0
syncache 296 11 0 11 2 2 0 1 0 8 0
tcpqe 32 102 0 102 1 1 0 1 0 8 0
tcpcb 736 474 0 470 27 26 1 8 0 8 0
arp 88 10 0 0 1 0 1 1 0 8 0
inpcb 304 3027 0 3020 30 29 1 11 0 8 0
rttmr 72 3 0 3 1 1 0 1 0 8 0
nd6 48 13 0 1 1 0 1 1 0 8 0
kcovpl 48 4 0 0 1 0 1 1 0 8 0
pfstscr 40 5462 0 5462 3 3 0 1 0 8 0
pfosfp 40 6 0 5 2 1 1 1 0 8 0
pfosfpen 112 6 0 5 2 1 1 1 0 8 0
pfrktable 1344 28 0 24 1 0 1 1 0 8 0
pftag 88 9 0 8 2 1 1 1 0 8 0
pfqueue 264 6 0 3 1 0 1 1 0 8 0
pfstitem 24 3817 0 3817 3 3 0 1 0 8 0
pfstkey 112 10126 0 10126 3 3 0 1 0 8 0
pfstate 320 5063 0 5063 3 3 0 1 0 8 0
pfrule 1360 86 0 72 3 1 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 278 0 2 18 0 18 18 0 8 0
art_table 32 279 0 2 3 0 3 3 0 8 0
art_node 16 70 0 10 1 0 1 1 0 8 0
sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0
semupl 112 7 0 7 1 1 0 1 0 8 0
semapl 112 154 0 144 1 0 1 1 0 8 0
shmpl 112 20 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 8634 0 7233 89 0 89 89 0 8 0
ffsino 240 8634 0 7233 84 0 84 84 0 8 0
nchpl 144 16761 0 15146 61 0 61 61 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 63702 0 63701 1 0 1 1 0 8 0
vcpupl 1984 5 0 2 1 0 1 1 0 8 0
vmpool 528 12 0 9 1 0 1 1 0 8 0
pfiaddrpl 120 10 0 6 1 0 1 1 0 8 0
scxspl 216 46467 0 46466 9 8 1 8 0 8 0
plimitpl 152 317 0 307 1 0 1 1 0 8 0
sigapl 424 6966 0 6934 5 1 4 5 0 8 0
futexpl 64 54532 0 54532 2 1 1 1 0 8 1
knotepl 112 672 0 621 2 0 2 2 0 8 0
kqueuepl 184 443 0 437 8 7 1 4 0 8 0
pipepl 304 500 0 484 13 11 2 7 0 8 0
fdescpl 432 6952 0 6934 3 0 3 3 0 8 0
filepl 120 42153 0 42007 48 41 7 12 0 8 2
lockfpl 104 474 0 472 1 0 1 1 0 8 0
lockfspl 48 202 0 200 1 0 1 1 0 8 0
sessionpl 144 20 0 8 1 0 1 1 0 8 0
pgrppl 48 26 0 14 1 0 1 1 0 8 0
ucredpl 96 2662 0 2652 1 0 1 1 0 8 0
zombiepl 144 6934 0 6932 1 0 1 1 0 8 0
processpl 1000 6966 0 6932 5 0 5 5 0 8 0
procpl 672 15400 0 15361 5 0 5 5 0 8 0
sosppl 168 9 0 9 2 2 0 1 0 8 0
sockpl 448 4134 0 4111 70 67 3 22 0 8 0
mcl64k 65536 123 0 123 7 7 0 1 0 8 0
mcl16k 16384 32 0 32 8 8 0 1 0 8 0
mcl12k 12288 143 0 143 8 8 0 1 0 8 0
mcl9k 9216 37 0 37 6 6 0 1 0 8 0
mcl8k 8192 202 0 202 11 11 0 1 0 8 0
mcl4k 4096 595 0 595 7 6 1 1 0 8 1
mcl2k2 2112 32 0 32 11 11 0 1 0 8 0
mcl2k 2048 80738 0 80696 23 17 6 12 0 8 0
mtagpl 96 171 0 138 5 2 3 4 0 8 0
mbufpl 256 159437 0 159188 284 260 24 271 0 8 0
bufpl 288 10669 0 4253 459 0 459 459 0 8 0
anonpl 24 1772818 0 1754642 184 68 116 141 0 188 0
amapchunkpl 152 193871 0 193303 34 8 26 31 0 158 0
amappl16 200 16511 0 15811 70 32 38 52 0 8 0
amappl15 192 3357 0 3357 1 0 1 1 0 8 1
amappl14 184 1727 0 1724 1 0 1 1 0 8 0
amappl13 176 39 0 38 1 0 1 1 0 8 0
amappl12 168 1663 0 1660 2 1 1 1 0 8 0
amappl11 160 43 0 33 1 0 1 1 0 8 0
amappl10 152 44 0 37 1 0 1 1 0 8 0
amappl9 144 467 0 465 1 0 1 1 0 8 0
amappl8 136 2105 0 2038 3 0 3 3 0 8 0
amappl7 128 1749 0 1739 1 0 1 1 0 8 0
amappl6 120 137 0 122 1 0 1 1 0 8 0
amappl5 112 3614 0 3600 1 0 1 1 0 8 0
amappl4 104 2285 0 2262 1 0 1 1 0 8 0
amappl3 96 1998 0 1979 1 0 1 1 0 8 0
amappl2 88 2175 0 2133 2 0 2 2 0 8 0
amappl1 80 119728 0 119293 12 1 11 12 0 8 0
amappl 88 81367 0 81221 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 22 0 0 1 0 1 1 0 8 0
uaddrrnd 24 6964 0 6943 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6964 0 6943 1 0 1 1 0 8 0
vmmpekpl 168 36062 0 36035 2 0 2 2 0 8 0
vmmpepl 168 605891 0 603911 159 61 98 132 0 357 3
vmsppl 272 6963 0 6943 3 1 2 2 0 8 0
rwobjpl 24 141741 0 134324 46 0 46 46 0 8 0
pdppl 4096 13934 0 13889 75 24 51 53 0 8 6
pvpl 32 2910988 0 2890959 265 95 170 201 0 265 0
pmappl 216 6963 0 6943 2 0 2 2 0 8 0
extentpl 40 57 0 38 1 0 1 1 0 8 0
phpool 112 1176 0 430 28 5 23 24 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff82480dde) at panic+0x161 sys/kern/subr_prf.c:202
pmap_enter(fffffd806664e6c8,b3922816000,7c35c000,5,24) at pmap_enter+0xbf7 sys/arch/amd64/amd64/pmap.c:2771
uvm_fault_lower(ffff80002310f300,ffff80002310f338,ffff80002310f280,0) at uvm_fault_lower+0x5b1 sys/uvm/uvm_fault.c:1482
uvm_fault(fffffd806aebd340,b3922816000,0,4) at uvm_fault+0x21d
upageflttrap(ffff80002310f470,b3922816950) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff80002310f470) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7f7fffff69c0, count: -8
---
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syzbot
Jun 26, 2022, 9:02:23 AM6/26/22
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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