panic: amap_lookups: offset out of range (2)
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syzbot
May 9, 2020, 2:33:15 AM5/9/20
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: d38dc9a7 Remove unneccessary X509_NAME_oneline wrapper. Pa..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=124bf892100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=c99f92f9e6474e51008c
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+c99f92...@syzkaller.appspotmail.com
panic: amap_lookups: offset out of range
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*389437 5792 0 0x2 0x4000000 0 syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
amap_lookups: offset out of range
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d7e24b0
rbx 0xffff80001d7e2560
rdx 0x2
rcx 0
rax 0
r8 0xffff80001d7e2470
r9 0x1
r10 0
r11 0xd7a28c5dc7ecd595
r12 0x3000000008
r13 0xffff80001d7e24c0
r14 0x100
r15 0x1
rip 0xffffffff814f4a08 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d7e24a0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-fuzzer) pid=389437 stat=onproc
flags process=2<EXEC,8ORPHAN> proc=4000000<THREAD>
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff80001d73a5f8,0xffff80001d7394f8
process=0xffff8000ffff8018 user=0xffff80001d7dd000, vmspace=0xfffffd806bc09770
estcpu=21, cpticks=0, pctcpu=0.8
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3387 153435 5792 0 2 0x2 syz-executor.0
91918 319007 65536 0 3 0x80 nanosleep syz-executor.1
91918 340892 65536 0 3 0x4000080 netcon syz-executor.1
99275 363882 0 0 3 0x14200 bored sosplice
65536 166428 5792 0 3 0x82 nanosleep syz-executor.1
5792 284099 72576 0 3 0x82 thrsleep syz-fuzzer
5792 471643 72576 0 2 0x4000002 syz-fuzzer
5792 223661 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 145078 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 330422 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 291188 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 91195 72576 0 3 0x4000082 thrsleep syz-fuzzer
* 5792 389437 72576 0 7 0x4000002 syz-fuzzer
72576 372760 7998 0 3 0x10008a pause ksh
7998 252830 35744 0 3 0x92 select sshd
12929 56120 1 0 3 0x100083 ttyin getty
35744 59548 1 0 3 0x80 select sshd
99592 369862 57070 73 3 0x100090 kqread syslogd
57070 400047 1 0 3 0x100082 netio syslogd
82146 106714 1 77 3 0x100090 poll dhclient
44200 45135 1 0 3 0x80 poll dhclient
35684 155484 0 0 3 0x14200 bored smr
18059 462290 0 0 2 0x14200 zerothread
23996 106421 0 0 3 0x14200 aiodoned aiodoned
40246 233297 0 0 3 0x14200 syncer update
63784 491809 0 0 3 0x14200 cleaner cleaner
56948 47521 0 0 3 0x14200 reaper reaper
35700 468075 0 0 3 0x14200 pgdaemon pagedaemon
51520 319222 0 0 3 0x14200 bored crynlk
13769 503332 0 0 3 0x14200 bored crypto
67903 197521 0 0 3 0x40014200 acpi0 acpi0
62939 243871 0 0 3 0x14200 bored softnet
87144 481338 0 0 3 0x14200 bored systqmp
67081 239055 0 0 3 0x14200 bored systq
16636 4917 0 0 3 0x40014200 bored softclock
62625 170974 0 0 3 0x40014200 idle0
1 381606 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 9485 6338K 6520K 78643K 10693 0
pcb 13 8K 8K 78643K 34 0
rtable 99 2K 3K 78643K 272 0
ifaddr 61 12K 12K 78643K 93 0
counters 21 16K 16K 78643K 25 0
ioctlops 0 0K 2K 78643K 30 0
iov 0 0K 12K 78643K 36 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1293 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 24 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1808 195K 288K 78643K 12860 0
file desc 5 13K 25K 78643K 162 0
proc 49 38K 63K 78643K 424 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 11 0
in_multi 36 2K 2K 78643K 62 0
ether_multi 1 0K 0K 78643K 3 0
mrt 0 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 31 148K 148K 78643K 31 0
exec 0 0K 1K 78643K 204 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 22K 24K 78643K 1239 0
UVM aobj 5 2K 2K 78643K 7 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 9 0
NDP 12 0K 0K 78643K 21 0
temp 88 3033K 3097K 78643K 6264 0
kqueue 3 4K 8K 78643K 5 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
arp 64 8 0 2 1 0 1 1 0 8 0
rtpcb 80 29 0 27 1 0 1 1 0 8 0
rtentry 112 60 0 19 2 0 2 2 0 8 0
unpcb 120 129 0 121 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 605 0 605 1 1 0 1 0 8 0
tcpcb 544 54 0 49 1 0 1 1 0 8 0
inpcb 280 141 0 133 1 0 1 1 0 8 0
nd6 48 10 0 6 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 257 0 84 12 0 12 12 0 8 1
art_table 32 258 0 84 2 0 2 2 0 8 0
art_node 16 59 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 10 0 0 1 0 1 1 0 8 0
semupl 112 5 0 5 1 0 1 1 0 8 1
semapl 112 22 0 12 1 0 1 1 0 8 0
shmpl 112 5 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1649 0 251 88 0 88 88 0 8 0
ffsino 240 1649 0 251 83 0 83 83 0 8 0
nchpl 144 2055 0 468 60 0 60 60 0 8 0
uvmvnodes 72 1734 0 0 32 0 32 32 0 8 0
vnodes 208 1734 0 0 92 0 92 92 0 8 0
namei 1024 5446 0 5446 1 0 1 1 0 8 1
vcpupl 1984 1 0 0 1 0 1 1 0 8 0
vmpool 528 5 0 4 1 0 1 1 0 8 0
scxspl 192 5724 0 5724 1 0 1 1 0 8 1
plimitpl 152 21 0 14 1 0 1 1 0 8 0
sigapl 424 346 0 317 4 0 4 4 0 8 0
futexpl 56 2672 0 2672 1 0 1 1 0 8 1
knotepl 112 75 0 56 1 0 1 1 0 8 0
kqueuepl 144 34 0 32 1 0 1 1 0 8 0
pipelkpl 16 92 0 82 1 0 1 1 0 8 0
pipepl 120 184 0 165 1 0 1 1 0 8 0
fdescpl 432 331 0 317 2 0 2 2 0 8 0
filepl 120 1947 0 1850 4 0 4 4 0 8 1
lockfpl 104 26 0 25 1 0 1 1 0 8 0
lockfspl 48 11 0 10 1 0 1 1 0 8 0
sessionpl 112 18 0 8 1 0 1 1 0 8 0
pgrppl 48 20 0 10 1 0 1 1 0 8 0
ucredpl 96 125 0 118 1 0 1 1 0 8 0
zombiepl 144 317 0 317 1 0 1 1 0 8 1
processpl 920 346 0 317 4 0 4 4 0 8 0
procpl 624 495 0 458 4 0 4 4 0 8 0
sosppl 128 1 0 1 1 0 1 1 0 8 1
sockpl 400 302 0 284 5 0 5 5 0 8 3
mcl64k 65536 13 0 13 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 5 0 5 1 0 1 1 0 8 1
mcl8k 8192 1 0 1 1 0 1 1 0 8 1
mcl4k 4096 13 0 13 2 1 1 1 0 8 1
mcl2k2 2112 1 0 1 1 0 1 1 0 8 1
mcl2k 2048 61684 0 61629 18 6 12 16 0 8 4
mtagpl 80 7 0 6 2 1 1 1 0 8 0
mbufpl 256 99099 0 98958 10 0 10 10 0 8 0
bufpl 280 3762 0 125 260 0 260 260 0 8 0
anonpl 16 46205 0 35758 72 2 70 70 0 107 13
amapchunkpl 152 1553 0 1429 9 2 7 8 0 158 2
amappl16 192 1597 0 851 48 1 47 48 0 8 8
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 27 0 20 1 0 1 1 0 8 0
amappl13 168 30 0 28 1 0 1 1 0 8 0
amappl12 160 17 0 14 1 0 1 1 0 8 0
amappl11 152 109 0 98 1 0 1 1 0 8 0
amappl10 144 63 0 58 1 0 1 1 0 8 0
amappl9 136 344 0 343 1 0 1 1 0 8 0
amappl8 128 336 0 296 2 0 2 2 0 8 0
amappl7 120 162 0 149 1 0 1 1 0 8 0
amappl6 112 87 0 82 1 0 1 1 0 8 0
amappl5 104 259 0 248 1 0 1 1 0 8 0
amappl4 96 498 0 469 1 0 1 1 0 8 0
amappl3 88 108 0 102 1 0 1 1 0 8 0
amappl2 80 1740 0 1675 2 0 2 2 0 8 0
amappl1 72 15860 0 15437 23 13 10 17 0 8 0
amappl 80 737 0 698 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 6 0 2 1 0 1 1 0 8 0
uaddrrnd 24 336 0 321 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 336 0 321 1 0 1 1 0 8 0
vmmpekpl 168 6348 0 6318 2 0 2 2 0 8 0
vmmpepl 168 47415 0 45573 120 7 113 113 0 357 31
vmsppl 272 335 0 321 2 0 2 2 0 8 1
pdppl 4096 678 0 643 6 1 5 6 0 8 0
pvpl 32 151985 0 139088 168 0 168 168 0 265 36
pmappl 200 335 0 321 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 241 0 10 7 0 7 7 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:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: d38dc9a7 Remove unneccessary X509_NAME_oneline wrapper. Pa..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=124bf892100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=c99f92f9e6474e51008c
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+c99f92...@syzkaller.appspotmail.com
panic: amap_lookups: offset out of range
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*389437 5792 0 0x2 0x4000000 0 syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
amap_lookups: offset out of range
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d7e24b0
rbx 0xffff80001d7e2560
rdx 0x2
rcx 0
rax 0
r8 0xffff80001d7e2470
r9 0x1
r10 0
r11 0xd7a28c5dc7ecd595
r12 0x3000000008
r13 0xffff80001d7e24c0
r14 0x100
r15 0x1
rip 0xffffffff814f4a08 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d7e24a0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-fuzzer) pid=389437 stat=onproc
flags process=2<EXEC,8ORPHAN> proc=4000000<THREAD>
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff80001d73a5f8,0xffff80001d7394f8
process=0xffff8000ffff8018 user=0xffff80001d7dd000, vmspace=0xfffffd806bc09770
estcpu=21, cpticks=0, pctcpu=0.8
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
3387 153435 5792 0 2 0x2 syz-executor.0
91918 319007 65536 0 3 0x80 nanosleep syz-executor.1
91918 340892 65536 0 3 0x4000080 netcon syz-executor.1
99275 363882 0 0 3 0x14200 bored sosplice
65536 166428 5792 0 3 0x82 nanosleep syz-executor.1
5792 284099 72576 0 3 0x82 thrsleep syz-fuzzer
5792 471643 72576 0 2 0x4000002 syz-fuzzer
5792 223661 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 145078 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 330422 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 291188 72576 0 3 0x4000082 thrsleep syz-fuzzer
5792 91195 72576 0 3 0x4000082 thrsleep syz-fuzzer
* 5792 389437 72576 0 7 0x4000002 syz-fuzzer
72576 372760 7998 0 3 0x10008a pause ksh
7998 252830 35744 0 3 0x92 select sshd
12929 56120 1 0 3 0x100083 ttyin getty
35744 59548 1 0 3 0x80 select sshd
99592 369862 57070 73 3 0x100090 kqread syslogd
57070 400047 1 0 3 0x100082 netio syslogd
82146 106714 1 77 3 0x100090 poll dhclient
44200 45135 1 0 3 0x80 poll dhclient
35684 155484 0 0 3 0x14200 bored smr
18059 462290 0 0 2 0x14200 zerothread
23996 106421 0 0 3 0x14200 aiodoned aiodoned
40246 233297 0 0 3 0x14200 syncer update
63784 491809 0 0 3 0x14200 cleaner cleaner
56948 47521 0 0 3 0x14200 reaper reaper
35700 468075 0 0 3 0x14200 pgdaemon pagedaemon
51520 319222 0 0 3 0x14200 bored crynlk
13769 503332 0 0 3 0x14200 bored crypto
67903 197521 0 0 3 0x40014200 acpi0 acpi0
62939 243871 0 0 3 0x14200 bored softnet
87144 481338 0 0 3 0x14200 bored systqmp
67081 239055 0 0 3 0x14200 bored systq
16636 4917 0 0 3 0x40014200 bored softclock
62625 170974 0 0 3 0x40014200 idle0
1 381606 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 9485 6338K 6520K 78643K 10693 0
pcb 13 8K 8K 78643K 34 0
rtable 99 2K 3K 78643K 272 0
ifaddr 61 12K 12K 78643K 93 0
counters 21 16K 16K 78643K 25 0
ioctlops 0 0K 2K 78643K 30 0
iov 0 0K 12K 78643K 36 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1293 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 24 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1808 195K 288K 78643K 12860 0
file desc 5 13K 25K 78643K 162 0
proc 49 38K 63K 78643K 424 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 11 0
in_multi 36 2K 2K 78643K 62 0
ether_multi 1 0K 0K 78643K 3 0
mrt 0 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 31 148K 148K 78643K 31 0
exec 0 0K 1K 78643K 204 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 22K 24K 78643K 1239 0
UVM aobj 5 2K 2K 78643K 7 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 9 0
NDP 12 0K 0K 78643K 21 0
temp 88 3033K 3097K 78643K 6264 0
kqueue 3 4K 8K 78643K 5 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
arp 64 8 0 2 1 0 1 1 0 8 0
rtpcb 80 29 0 27 1 0 1 1 0 8 0
rtentry 112 60 0 19 2 0 2 2 0 8 0
unpcb 120 129 0 121 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 605 0 605 1 1 0 1 0 8 0
tcpcb 544 54 0 49 1 0 1 1 0 8 0
inpcb 280 141 0 133 1 0 1 1 0 8 0
nd6 48 10 0 6 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 257 0 84 12 0 12 12 0 8 1
art_table 32 258 0 84 2 0 2 2 0 8 0
art_node 16 59 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 10 0 0 1 0 1 1 0 8 0
semupl 112 5 0 5 1 0 1 1 0 8 1
semapl 112 22 0 12 1 0 1 1 0 8 0
shmpl 112 5 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1649 0 251 88 0 88 88 0 8 0
ffsino 240 1649 0 251 83 0 83 83 0 8 0
nchpl 144 2055 0 468 60 0 60 60 0 8 0
uvmvnodes 72 1734 0 0 32 0 32 32 0 8 0
vnodes 208 1734 0 0 92 0 92 92 0 8 0
namei 1024 5446 0 5446 1 0 1 1 0 8 1
vcpupl 1984 1 0 0 1 0 1 1 0 8 0
vmpool 528 5 0 4 1 0 1 1 0 8 0
scxspl 192 5724 0 5724 1 0 1 1 0 8 1
plimitpl 152 21 0 14 1 0 1 1 0 8 0
sigapl 424 346 0 317 4 0 4 4 0 8 0
futexpl 56 2672 0 2672 1 0 1 1 0 8 1
knotepl 112 75 0 56 1 0 1 1 0 8 0
kqueuepl 144 34 0 32 1 0 1 1 0 8 0
pipelkpl 16 92 0 82 1 0 1 1 0 8 0
pipepl 120 184 0 165 1 0 1 1 0 8 0
fdescpl 432 331 0 317 2 0 2 2 0 8 0
filepl 120 1947 0 1850 4 0 4 4 0 8 1
lockfpl 104 26 0 25 1 0 1 1 0 8 0
lockfspl 48 11 0 10 1 0 1 1 0 8 0
sessionpl 112 18 0 8 1 0 1 1 0 8 0
pgrppl 48 20 0 10 1 0 1 1 0 8 0
ucredpl 96 125 0 118 1 0 1 1 0 8 0
zombiepl 144 317 0 317 1 0 1 1 0 8 1
processpl 920 346 0 317 4 0 4 4 0 8 0
procpl 624 495 0 458 4 0 4 4 0 8 0
sosppl 128 1 0 1 1 0 1 1 0 8 1
sockpl 400 302 0 284 5 0 5 5 0 8 3
mcl64k 65536 13 0 13 1 0 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl12k 12288 5 0 5 1 0 1 1 0 8 1
mcl8k 8192 1 0 1 1 0 1 1 0 8 1
mcl4k 4096 13 0 13 2 1 1 1 0 8 1
mcl2k2 2112 1 0 1 1 0 1 1 0 8 1
mcl2k 2048 61684 0 61629 18 6 12 16 0 8 4
mtagpl 80 7 0 6 2 1 1 1 0 8 0
mbufpl 256 99099 0 98958 10 0 10 10 0 8 0
bufpl 280 3762 0 125 260 0 260 260 0 8 0
anonpl 16 46205 0 35758 72 2 70 70 0 107 13
amapchunkpl 152 1553 0 1429 9 2 7 8 0 158 2
amappl16 192 1597 0 851 48 1 47 48 0 8 8
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 27 0 20 1 0 1 1 0 8 0
amappl13 168 30 0 28 1 0 1 1 0 8 0
amappl12 160 17 0 14 1 0 1 1 0 8 0
amappl11 152 109 0 98 1 0 1 1 0 8 0
amappl10 144 63 0 58 1 0 1 1 0 8 0
amappl9 136 344 0 343 1 0 1 1 0 8 0
amappl8 128 336 0 296 2 0 2 2 0 8 0
amappl7 120 162 0 149 1 0 1 1 0 8 0
amappl6 112 87 0 82 1 0 1 1 0 8 0
amappl5 104 259 0 248 1 0 1 1 0 8 0
amappl4 96 498 0 469 1 0 1 1 0 8 0
amappl3 88 108 0 102 1 0 1 1 0 8 0
amappl2 80 1740 0 1675 2 0 2 2 0 8 0
amappl1 72 15860 0 15437 23 13 10 17 0 8 0
amappl 80 737 0 698 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 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 64 6 0 2 1 0 1 1 0 8 0
uaddrrnd 24 336 0 321 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 336 0 321 1 0 1 1 0 8 0
vmmpekpl 168 6348 0 6318 2 0 2 2 0 8 0
vmmpepl 168 47415 0 45573 120 7 113 113 0 357 31
vmsppl 272 335 0 321 2 0 2 2 0 8 1
pdppl 4096 678 0 643 6 1 5 6 0 8 0
pvpl 32 151985 0 139088 168 0 168 168 0 265 36
pmappl 200 335 0 321 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 241 0 10 7 0 7 7 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:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8224bb71) at panic+0x15c sys/kern/subr_prf.c:207
amap_lookups(fffffd805e972720,1000,ffff80001d7e2600,8) at amap_lookups+0x2bd sys/uvm/uvm_amap.c:1053
uvm_fault(fffffd806bc09770,2b54e4000,1,2) at uvm_fault+0x332 sys/uvm/uvm_fault.c:628
pageflttrap(ffff80001d7e2910,1) at pageflttrap+0x156 sys/arch/amd64/amd64/trap.c:221
usertrap(ffff80001d7e2910) at usertrap+0x1fb sys/arch/amd64/amd64/trap.c:384
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xc0026fd898, count: -7
---
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syzbot
Aug 7, 2020, 2:33:14 AM8/7/20
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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