pool: free list modified: aobjpl
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syzbot
Nov 23, 2019, 11:07:16 AM11/23/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: ee79b9a7 On startup withdraw all proposals for all int..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1536a322e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=0fc1766671a9461de8a5
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+0fc176...@syzkaller.appspotmail.com
panic: pool_do_get: aobjpl free list modified: page 0xfffffd802f875000;
item addr 0xfffffd802f8758c8; offset 0x14=0xdeafbeab
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 33283 85234 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff80001495f738) at pool_do_get+0x463
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff8000ffff2018,ffff80001495f928,a2,ffff80001495f970)
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff8000ffff2018,ffff80001495f928,ffff80001495f970) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff80001495f9f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae1dd8bbaf0, count: 6
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
pool_do_get: aobjpl free list modified: page 0xfffffd802f875000; item addr
0xfffffd802f8758c8; offset 0x14=0xdeafbeab
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff80001495f738) at pool_do_get+0x463
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff8000ffff2018,ffff80001495f928,a2,ffff80001495f970)
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff8000ffff2018,ffff80001495f928,ffff80001495f970) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff80001495f9f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae1dd8bbaf0, count: -9
ddb> show registers
rdi 0xffffffff81339267 db_enter+0x17
rsi 0x3e52 __ALIGN_SIZE+0x2e52
rbp 0xffff80001495f5a0
rbx 0xffff80001495f650
rdx 0x3e53 __ALIGN_SIZE+0x2e53
rcx 0xffff800016da0000
rax 0xffff800016da0000
r8 0xffff80001495f560
r9 0x1
r10 0xffff800000a67a80
r11 0xb7833fb081be0095
r12 0x3000000008
r13 0xffff80001495f5b0
r14 0x100
r15 0x1
rip 0xffffffff81339268 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001495f590
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=33283 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff3b40,0xffff8000ffff2518
process=0xffff8000ffff7b10 user=0xffff80001495a000,
vmspace=0xfffffd803f012110
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
35052 41296 88884 0 2 0 syz-executor.1
35052 202996 88884 0 3 0x4000080 bell syz-executor.1
35052 479655 88884 0 3 0x4000080 fsleep syz-executor.1
85234 232810 5615 0 2 0 syz-executor.0
85234 318067 5615 0 3 0x4000080 piperd syz-executor.0
*85234 33283 5615 0 7 0x4000000 syz-executor.0
5615 258405 86258 0 3 0x82 nanosleep syz-executor.0
1324 23426 1 0 3 0x100083 ttyin getty
88884 377127 86258 0 2 0x482 syz-executor.1
90798 196882 0 0 3 0x14200 acct acct
87037 309238 0 0 3 0x14200 bored sosplice
86258 231399 59816 0 3 0x82 thrsleep syz-fuzzer
86258 92071 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 242770 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 252191 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 217881 59816 0 3 0x4000082 kqread syz-fuzzer
86258 4440 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 8833 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 409452 59816 0 3 0x4000082 thrsleep syz-fuzzer
59816 87985 90005 0 3 0x10008a pause ksh
90005 74679 21569 0 3 0x92 select sshd
21569 299138 1 0 3 0x80 select sshd
15654 81775 76985 73 3 0x100090 kqread syslogd
76985 158798 1 0 3 0x100082 netio syslogd
3389 319709 1 77 3 0x100090 poll dhclient
84494 474797 1 0 3 0x80 poll dhclient
15148 490681 0 0 2 0x14200 zerothread
98892 66480 0 0 3 0x14200 aiodoned aiodoned
56395 143723 0 0 3 0x14200 syncer update
53704 232802 0 0 3 0x14200 cleaner cleaner
32325 265513 0 0 3 0x14200 reaper reaper
35402 26910 0 0 3 0x14200 pgdaemon pagedaemon
3548 116266 0 0 3 0x14200 bored crynlk
25318 514703 0 0 3 0x14200 bored crypto
37653 54638 0 0 3 0x40014200 acpi0 acpi0
31052 109948 0 0 3 0x14200 bored softnet
20572 8403 0 0 3 0x14200 bored systqmp
35846 59835 0 0 3 0x14200 bored systq
68924 31864 0 0 3 0x40014200 bored softclock
75079 25744 0 0 3 0x40014200 idle0
30907 496027 0 0 3 0x14200 bored smr
1 461081 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 Kern Lim
devbuf 9539 6434K 14936K 78643K 15042 0 0
pcb 13 8K 9K 78643K 417 0 0
rtable 95 11K 12K 78643K 1392 0 0
ifaddr 82 16K 17K 78643K 496 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 159 0 0
iov 0 0K 20K 78643K 487 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1231 77K 78K 78643K 3058 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 112 0 0
VM map 30 7K 7K 78643K 35 0 0
sem 12 0K 0K 78643K 1649 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
file desc 6 17K 25K 78643K 1982 0 0
sigio 0 0K 0K 78643K 36 0 0
proc 49 38K 55K 78643K 1061 0 0
subproc 32 2K 2K 78643K 221 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 188 0 0
in_multi 59 3K 4K 78643K 410 0 0
ether_multi 1 0K 0K 78643K 22 0 0
mrt 1 0K 0K 78643K 7 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 108 477K 477K 78643K 108 0 0
exec 0 0K 1K 78643K 541 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 155 250K 250K 78643K 6129 0 0
UVM aobj 111 7K 7K 78643K 406 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 423 0 0
NDP 15 0K 0K 78643K 140 0 0
temp 147 3535K 4174K 78643K 93774 0 0
kqueue 0 0K 0K 78643K 22 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 33 0 29 1 0 1 1 0
8 0
rtpcb 80 238 0 236 1 0 1 1 0
8 0
rtentry 112 279 0 245 2 0 2 2 0
8 0
unpcb 120 1093 0 1084 1 0 1 1 0
8 0
syncache 264 17 0 17 5 5 0 1 0
8 0
tcpqe 32 113 0 113 4 4 0 1 0
8 0
tcpcb 544 1191 0 1187 9 7 2 2 0
8 1
ipq 40 20 0 20 8 8 0 1 0
8 0
ipqe 40 397 0 397 8 8 0 1 0
8 0
inpcb 280 4306 0 4299 9 6 3 3 0
8 2
rttmr 72 1 0 1 1 1 0 1 0
8 0
ip6q 72 4 0 4 1 1 0 1 0
8 0
ip6af 40 9 0 9 2 2 0 1 0
8 0
nd6 48 53 0 51 4 3 1 1 0
8 0
pkpcb 40 6 0 6 3 3 0 1 0
8 0
ppxss 1128 43 0 43 14 13 1 1 0
8 1
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 1414 0 1242 33 19 14 15 0
8 3
art_table 32 1415 0 1242 2 0 2 2 0
8 0
art_node 16 278 0 247 1 0 1 1 0
8 0
sysvmsgpl 40 41 0 28 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 1645 0 1635 1 0 1 1 0
8 0
shmpl 112 405 0 296 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 4365 0 2966 46 0 46 46 0
8 0
ffsino 240 4365 0 2966 83 0 83 83 0
8 0
nchpl 144 7355 0 6899 60 40 20 60 0
8 0
uvmvnodes 72 5780 0 0 106 0 106 106 0
8 0
vnodes 208 5780 0 0 305 0 305 305 0
8 0
namei 1024 25199 0 25199 3 2 1 1 0
8 1
vcpupl 1984 28 0 0 4 0 4 4 0
8 0
vmpool 520 33 0 5 2 0 2 2 0
8 0
scxspl 192 28156 0 28156 16 15 1 7 0
8 1
plimitpl 152 193 0 186 1 0 1 1 0
8 0
sigapl 432 2122 0 2108 2 0 2 2 0
8 0
futexpl 56 63220 0 63219 3 2 1 1 0
8 0
knotepl 112 443 0 424 1 0 1 1 0
8 0
kqueuepl 104 481 0 479 1 0 1 1 0
8 0
pipepl 128 1304 0 1283 7 6 1 2 0
8 0
fdescpl 424 2123 0 2108 2 0 2 2 0
8 0
filepl 120 18304 0 18203 16 11 5 5 0
8 1
lockfpl 104 750 0 748 1 0 1 1 0
8 0
lockfspl 48 250 0 248 1 0 1 1 0
8 0
sessionpl 112 31 0 21 1 0 1 1 0
8 0
pgrppl 48 55 0 45 1 0 1 1 0
8 0
ucredpl 96 1998 0 1990 1 0 1 1 0
8 0
zombiepl 144 2110 0 2110 1 0 1 1 0
8 1
processpl 864 2141 0 2110 4 0 4 4 0
8 0
procpl 632 4819 0 4777 6 2 4 5 0
8 0
sosppl 128 29 0 29 6 5 1 1 0
8 1
sockpl 384 5661 0 5643 26 20 6 7 0
8 3
mcl64k 65536 551 0 551 47 46 1 29 0
8 1
mcl16k 16384 35 0 35 11 11 0 1 0
8 0
mcl12k 12288 78 0 78 9 8 1 1 0
8 1
mcl9k 9216 33 0 33 14 13 1 1 0
8 1
mcl8k 8192 105 0 105 7 6 1 1 0
8 1
mcl4k 4096 263 0 263 5 4 1 1 0
8 1
mcl2k2 2112 16 0 16 7 6 1 1 0
8 1
mcl2k 2048 71395 0 71349 17 10 7 15 0
8 0
mtagpl 80 37 0 37 7 6 1 1 0
8 1
mbufpl 256 132819 0 132736 70 60 10 22 0
8 1
bufpl 256 14376 0 8136 391 0 391 391 0
8 0
anonpl 16 278086 0 262005 167 79 88 101 0
62 4
amapchunkpl 152 13434 0 13275 74 58 16 20 0
158 9
amappl16 192 12891 0 11694 148 76 72 72 0 8
11
amappl15 184 429 0 426 1 0 1 1 0
8 0
amappl14 176 253 0 246 1 0 1 1 0
8 0
amappl13 168 19 0 19 4 4 0 1 0
8 0
amappl12 160 107 0 105 2 1 1 1 0
8 0
amappl11 152 429 0 418 1 0 1 1 0
8 0
amappl10 144 264 0 260 1 0 1 1 0
8 0
amappl9 136 970 0 967 1 0 1 1 0
8 0
amappl8 128 569 0 532 3 1 2 2 0
8 0
amappl7 120 333 0 324 1 0 1 1 0
8 0
amappl6 112 412 0 401 1 0 1 1 0
8 0
amappl5 104 374 0 363 1 0 1 1 0
8 0
amappl4 96 2399 0 2367 1 0 1 1 0
8 0
amappl3 88 219 0 204 1 0 1 1 0
8 0
amappl2 80 15725 0 15645 3 1 2 3 0
8 0
amappl1 72 49332 0 48888 25 16 9 20 0
8 0
amappl 80 5241 0 5181 2 0 2 2 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 64 405 0 295 2 0 2 2 0
8 0
pool(0xffffffff825aa5d8:aobjpl): page inconsistency: page
0xfffffd802f875000; 13 on list, 48 missing, 62 items per page
uaddrrnd 24 2156 0 2108 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 2156 0 2108 1 0 1 1 0
8 0
vmmpekpl 168 17650 0 17611 2 0 2 2 0
8 0
vmmpepl 168 268163 0 265693 335 175 160 160 0 357
50
vmsppl 272 2122 0 2108 7 5 2 2 0
8 1
pdppl 4096 4318 0 4254 10 1 9 9 0
8 0
pvpl 32 729806 0 710717 456 167 289 337 0 265
93
pmappl 200 2155 0 2113 3 0 3 3 0
8 0
extentpl 40 46 0 29 1 0 1 1 0
8 0
phpool 112 699 0 173 16 0 16 16 0
8 0
---
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: ee79b9a7 On startup withdraw all proposals for all int..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1536a322e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=0fc1766671a9461de8a5
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+0fc176...@syzkaller.appspotmail.com
panic: pool_do_get: aobjpl free list modified: page 0xfffffd802f875000;
item addr 0xfffffd802f8758c8; offset 0x14=0xdeafbeab
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 33283 85234 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff80001495f738) at pool_do_get+0x463
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff8000ffff2018,ffff80001495f928,a2,ffff80001495f970)
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff8000ffff2018,ffff80001495f928,ffff80001495f970) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff80001495f9f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae1dd8bbaf0, count: 6
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
pool_do_get: aobjpl free list modified: page 0xfffffd802f875000; item addr
0xfffffd802f8758c8; offset 0x14=0xdeafbeab
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff80001495f738) at pool_do_get+0x463
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff8000ffff2018,ffff80001495f928,a2,ffff80001495f970)
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff8000ffff2018,ffff80001495f928,ffff80001495f970) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff80001495f9f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xae1dd8bbaf0, count: -9
ddb> show registers
rdi 0xffffffff81339267 db_enter+0x17
rsi 0x3e52 __ALIGN_SIZE+0x2e52
rbp 0xffff80001495f5a0
rbx 0xffff80001495f650
rdx 0x3e53 __ALIGN_SIZE+0x2e53
rcx 0xffff800016da0000
rax 0xffff800016da0000
r8 0xffff80001495f560
r9 0x1
r10 0xffff800000a67a80
r11 0xb7833fb081be0095
r12 0x3000000008
r13 0xffff80001495f5b0
r14 0x100
r15 0x1
rip 0xffffffff81339268 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001495f590
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=33283 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff3b40,0xffff8000ffff2518
process=0xffff8000ffff7b10 user=0xffff80001495a000,
vmspace=0xfffffd803f012110
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
35052 41296 88884 0 2 0 syz-executor.1
35052 202996 88884 0 3 0x4000080 bell syz-executor.1
35052 479655 88884 0 3 0x4000080 fsleep syz-executor.1
85234 232810 5615 0 2 0 syz-executor.0
85234 318067 5615 0 3 0x4000080 piperd syz-executor.0
*85234 33283 5615 0 7 0x4000000 syz-executor.0
5615 258405 86258 0 3 0x82 nanosleep syz-executor.0
1324 23426 1 0 3 0x100083 ttyin getty
88884 377127 86258 0 2 0x482 syz-executor.1
90798 196882 0 0 3 0x14200 acct acct
87037 309238 0 0 3 0x14200 bored sosplice
86258 231399 59816 0 3 0x82 thrsleep syz-fuzzer
86258 92071 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 242770 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 252191 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 217881 59816 0 3 0x4000082 kqread syz-fuzzer
86258 4440 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 8833 59816 0 3 0x4000082 thrsleep syz-fuzzer
86258 409452 59816 0 3 0x4000082 thrsleep syz-fuzzer
59816 87985 90005 0 3 0x10008a pause ksh
90005 74679 21569 0 3 0x92 select sshd
21569 299138 1 0 3 0x80 select sshd
15654 81775 76985 73 3 0x100090 kqread syslogd
76985 158798 1 0 3 0x100082 netio syslogd
3389 319709 1 77 3 0x100090 poll dhclient
84494 474797 1 0 3 0x80 poll dhclient
15148 490681 0 0 2 0x14200 zerothread
98892 66480 0 0 3 0x14200 aiodoned aiodoned
56395 143723 0 0 3 0x14200 syncer update
53704 232802 0 0 3 0x14200 cleaner cleaner
32325 265513 0 0 3 0x14200 reaper reaper
35402 26910 0 0 3 0x14200 pgdaemon pagedaemon
3548 116266 0 0 3 0x14200 bored crynlk
25318 514703 0 0 3 0x14200 bored crypto
37653 54638 0 0 3 0x40014200 acpi0 acpi0
31052 109948 0 0 3 0x14200 bored softnet
20572 8403 0 0 3 0x14200 bored systqmp
35846 59835 0 0 3 0x14200 bored systq
68924 31864 0 0 3 0x40014200 bored softclock
75079 25744 0 0 3 0x40014200 idle0
30907 496027 0 0 3 0x14200 bored smr
1 461081 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 Kern Lim
devbuf 9539 6434K 14936K 78643K 15042 0 0
pcb 13 8K 9K 78643K 417 0 0
rtable 95 11K 12K 78643K 1392 0 0
ifaddr 82 16K 17K 78643K 496 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 159 0 0
iov 0 0K 20K 78643K 487 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1231 77K 78K 78643K 3058 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 112 0 0
VM map 30 7K 7K 78643K 35 0 0
sem 12 0K 0K 78643K 1649 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
file desc 6 17K 25K 78643K 1982 0 0
sigio 0 0K 0K 78643K 36 0 0
proc 49 38K 55K 78643K 1061 0 0
subproc 32 2K 2K 78643K 221 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 188 0 0
in_multi 59 3K 4K 78643K 410 0 0
ether_multi 1 0K 0K 78643K 22 0 0
mrt 1 0K 0K 78643K 7 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 108 477K 477K 78643K 108 0 0
exec 0 0K 1K 78643K 541 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 155 250K 250K 78643K 6129 0 0
UVM aobj 111 7K 7K 78643K 406 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 0K 78643K 423 0 0
NDP 15 0K 0K 78643K 140 0 0
temp 147 3535K 4174K 78643K 93774 0 0
kqueue 0 0K 0K 78643K 22 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 33 0 29 1 0 1 1 0
8 0
rtpcb 80 238 0 236 1 0 1 1 0
8 0
rtentry 112 279 0 245 2 0 2 2 0
8 0
unpcb 120 1093 0 1084 1 0 1 1 0
8 0
syncache 264 17 0 17 5 5 0 1 0
8 0
tcpqe 32 113 0 113 4 4 0 1 0
8 0
tcpcb 544 1191 0 1187 9 7 2 2 0
8 1
ipq 40 20 0 20 8 8 0 1 0
8 0
ipqe 40 397 0 397 8 8 0 1 0
8 0
inpcb 280 4306 0 4299 9 6 3 3 0
8 2
rttmr 72 1 0 1 1 1 0 1 0
8 0
ip6q 72 4 0 4 1 1 0 1 0
8 0
ip6af 40 9 0 9 2 2 0 1 0
8 0
nd6 48 53 0 51 4 3 1 1 0
8 0
pkpcb 40 6 0 6 3 3 0 1 0
8 0
ppxss 1128 43 0 43 14 13 1 1 0
8 1
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 1414 0 1242 33 19 14 15 0
8 3
art_table 32 1415 0 1242 2 0 2 2 0
8 0
art_node 16 278 0 247 1 0 1 1 0
8 0
sysvmsgpl 40 41 0 28 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 1645 0 1635 1 0 1 1 0
8 0
shmpl 112 405 0 296 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 4365 0 2966 46 0 46 46 0
8 0
ffsino 240 4365 0 2966 83 0 83 83 0
8 0
nchpl 144 7355 0 6899 60 40 20 60 0
8 0
uvmvnodes 72 5780 0 0 106 0 106 106 0
8 0
vnodes 208 5780 0 0 305 0 305 305 0
8 0
namei 1024 25199 0 25199 3 2 1 1 0
8 1
vcpupl 1984 28 0 0 4 0 4 4 0
8 0
vmpool 520 33 0 5 2 0 2 2 0
8 0
scxspl 192 28156 0 28156 16 15 1 7 0
8 1
plimitpl 152 193 0 186 1 0 1 1 0
8 0
sigapl 432 2122 0 2108 2 0 2 2 0
8 0
futexpl 56 63220 0 63219 3 2 1 1 0
8 0
knotepl 112 443 0 424 1 0 1 1 0
8 0
kqueuepl 104 481 0 479 1 0 1 1 0
8 0
pipepl 128 1304 0 1283 7 6 1 2 0
8 0
fdescpl 424 2123 0 2108 2 0 2 2 0
8 0
filepl 120 18304 0 18203 16 11 5 5 0
8 1
lockfpl 104 750 0 748 1 0 1 1 0
8 0
lockfspl 48 250 0 248 1 0 1 1 0
8 0
sessionpl 112 31 0 21 1 0 1 1 0
8 0
pgrppl 48 55 0 45 1 0 1 1 0
8 0
ucredpl 96 1998 0 1990 1 0 1 1 0
8 0
zombiepl 144 2110 0 2110 1 0 1 1 0
8 1
processpl 864 2141 0 2110 4 0 4 4 0
8 0
procpl 632 4819 0 4777 6 2 4 5 0
8 0
sosppl 128 29 0 29 6 5 1 1 0
8 1
sockpl 384 5661 0 5643 26 20 6 7 0
8 3
mcl64k 65536 551 0 551 47 46 1 29 0
8 1
mcl16k 16384 35 0 35 11 11 0 1 0
8 0
mcl12k 12288 78 0 78 9 8 1 1 0
8 1
mcl9k 9216 33 0 33 14 13 1 1 0
8 1
mcl8k 8192 105 0 105 7 6 1 1 0
8 1
mcl4k 4096 263 0 263 5 4 1 1 0
8 1
mcl2k2 2112 16 0 16 7 6 1 1 0
8 1
mcl2k 2048 71395 0 71349 17 10 7 15 0
8 0
mtagpl 80 37 0 37 7 6 1 1 0
8 1
mbufpl 256 132819 0 132736 70 60 10 22 0
8 1
bufpl 256 14376 0 8136 391 0 391 391 0
8 0
anonpl 16 278086 0 262005 167 79 88 101 0
62 4
amapchunkpl 152 13434 0 13275 74 58 16 20 0
158 9
amappl16 192 12891 0 11694 148 76 72 72 0 8
11
amappl15 184 429 0 426 1 0 1 1 0
8 0
amappl14 176 253 0 246 1 0 1 1 0
8 0
amappl13 168 19 0 19 4 4 0 1 0
8 0
amappl12 160 107 0 105 2 1 1 1 0
8 0
amappl11 152 429 0 418 1 0 1 1 0
8 0
amappl10 144 264 0 260 1 0 1 1 0
8 0
amappl9 136 970 0 967 1 0 1 1 0
8 0
amappl8 128 569 0 532 3 1 2 2 0
8 0
amappl7 120 333 0 324 1 0 1 1 0
8 0
amappl6 112 412 0 401 1 0 1 1 0
8 0
amappl5 104 374 0 363 1 0 1 1 0
8 0
amappl4 96 2399 0 2367 1 0 1 1 0
8 0
amappl3 88 219 0 204 1 0 1 1 0
8 0
amappl2 80 15725 0 15645 3 1 2 3 0
8 0
amappl1 72 49332 0 48888 25 16 9 20 0
8 0
amappl 80 5241 0 5181 2 0 2 2 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 64 405 0 295 2 0 2 2 0
8 0
pool(0xffffffff825aa5d8:aobjpl): page inconsistency: page
0xfffffd802f875000; 13 on list, 48 missing, 62 items per page
uaddrrnd 24 2156 0 2108 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 2156 0 2108 1 0 1 1 0
8 0
vmmpekpl 168 17650 0 17611 2 0 2 2 0
8 0
vmmpepl 168 268163 0 265693 335 175 160 160 0 357
50
vmsppl 272 2122 0 2108 7 5 2 2 0
8 1
pdppl 4096 4318 0 4254 10 1 9 9 0
8 0
pvpl 32 729806 0 710717 456 167 289 337 0 265
93
pmappl 200 2155 0 2113 3 0 3 3 0
8 0
extentpl 40 46 0 29 1 0 1 1 0
8 0
phpool 112 699 0 173 16 0 16 16 0
8 0
---
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
Nov 23, 2019, 11:08:09 AM11/23/19
to syzkaller-o...@googlegroups.com
syzbot
Nov 23, 2019, 12:43:09 PM11/23/19
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following crash on:
HEAD commit: ee79b9a7 On startup withdraw all proposals for all int..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=168e7dcae00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13759b8ce00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+0fc176...@syzkaller.appspotmail.com
panic: pool_do_get: aobjpl free list modified: page 0xfffffd803ec30000;
item addr 0xfffffd803ec30e40; offset 0x14=0xdeadbeee
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff80001488e508,ffff800014904498,ffff8000149044e0) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff800014904560) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
0xfffffd803ec30e40; offset 0x14=0xdeadbeee
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff80001488e508,ffff800014904498,ffff8000149044e0) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff800014904560) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
rbp 0xffff800014904110
rbx 0xffff8000149041c0
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff8000149040d0
r9 0x1
r10 0x36e3855854ccd7c4
r11 0x482b398ed64b4ce1
r12 0x3000000008
r13 0xffff800014904120
flags process=0 proc=4000000<THREAD>
pri=56, usrpri=56, nice=20
forw=0xffffffffffffffff, list=0xffff80001488ec70,0xffffffff82583be0
process=0xffff8000148a37b8 user=0xffff8000148ff000,
vmspace=0xfffffd803f012bb0
estcpu=6, cpticks=1, pctcpu=0.0
89446 132640 64206 0 2 0x4000000 syz-executor5070
55887 388264 27052 0 2 0 syz-executor5070
55887 323509 27052 0 2 0x4000000 syz-executor5070
55887 357896 27052 0 3 0x4000080 fsleep syz-executor5070
*55887 30154 27052 0 7 0x4000000 syz-executor5070
27052 85419 49580 0 3 0x80 nanosleep syz-executor5070
64206 222388 49580 0 3 0x80 nanosleep syz-executor5070
49580 152726 24562 0 3 0x82 nanosleep syz-executor5070
24562 101117 15748 0 3 0x10008a pause ksh
15748 105453 32312 0 3 0x92 select sshd
41719 237028 1 0 3 0x100083 ttyin getty
32312 443512 1 0 3 0x80 select sshd
31532 518096 26495 73 3 0x100090 kqread syslogd
26495 411697 1 0 3 0x100082 netio syslogd
76886 457422 1 77 3 0x100090 poll dhclient
27549 39293 1 0 3 0x80 poll dhclient
94935 168784 0 0 2 0x14200 zerothread
92338 120394 0 0 3 0x14200 aiodoned aiodoned
20187 512653 0 0 3 0x14200 syncer update
24270 470110 0 0 3 0x14200 cleaner cleaner
46731 29871 0 0 3 0x14200 reaper reaper
43107 76627 0 0 3 0x14200 pgdaemon pagedaemon
69723 4339 0 0 3 0x14200 bored crynlk
32106 265948 0 0 3 0x14200 bored crypto
36209 438896 0 0 3 0x40014200 acpi0 acpi0
10467 155550 0 0 3 0x14200 bored softnet
1203 436853 0 0 3 0x14200 bored systqmp
83823 154806 0 0 3 0x14200 bored systq
85499 366019 0 0 3 0x40014200 bored softclock
61038 114231 0 0 3 0x40014200 idle0
9681 149617 0 0 3 0x14200 bored smr
1 346584 0 0 3 0x82 wait init
pcb 13 8K 8K 78643K 13 0 0
rtable 61 1K 2K 78643K 115 0 0
ifaddr 24 7K 7K 78643K 24 0 0
iov 1 12K 24K 78643K 38 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 0K 0K 78643K 38 0 0
proc 47 38K 46K 78643K 278 0 0
ether_multi 1 0K 0K 78643K 1 0 0
exec 0 0K 1K 78643K 151 0 0
UVM aobj 3 2K 2K 78643K 38 0 0
temp 22 3527K 3583K 78643K 1725 0 0
8 0
rtpcb 80 15 0 13 1 0 1 1 0
8 0
rtentry 112 23 0 1 1 0 1 1 0
8 0
unpcb 120 27 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 2 2 0 1 0
8 0
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 22 0 16 1 0 1 1 0
8 0
8 0
art_table 32 98 0 0 1 0 1 1 0
8 0
art_node 16 22 0 2 1 0 1 1 0
8 0
semapl 112 36 0 26 1 0 1 1 0
8 0
shmpl 112 37 0 36 1 0 1 1 0
8 0
8 0
ffsino 240 1429 0 54 81 0 81 81 0
8 0
nchpl 144 1614 0 80 57 0 57 57 0
8 0
uvmvnodes 72 1438 0 0 27 0 27 27 0
8 0
vnodes 208 1438 0 0 76 0 76 76 0
8 0
namei 1024 3908 0 3908 2 1 1 1 0
8 1
scxspl 192 12034 0 12034 9 8 1 7 0
8 1
plimitpl 152 13 0 8 1 0 1 1 0
8 0
sigapl 432 197 0 183 2 0 2 2 0
8 0
futexpl 56 625 0 624 1 0 1 1 0
8 0
knotepl 112 5 0 0 1 0 1 1 0
8 0
kqueuepl 104 1 0 0 1 0 1 1 0
8 0
pipepl 128 114 0 107 2 1 1 1 0
8 0
fdescpl 424 198 0 183 2 0 2 2 0
8 0
filepl 120 1137 0 1084 2 0 2 2 0
8 0
lockfpl 104 79 0 76 1 0 1 1 0
8 0
lockfspl 48 4 0 2 1 0 1 1 0
8 0
sessionpl 112 17 0 9 1 0 1 1 0
8 0
pgrppl 48 17 0 9 1 0 1 1 0
8 0
ucredpl 96 275 0 268 1 0 1 1 0
8 0
zombiepl 144 183 0 183 2 1 1 1 0
8 1
processpl 864 212 0 183 4 0 4 4 0
8 0
procpl 632 285 0 252 4 0 4 4 0
8 0
sockpl 384 64 0 48 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 2 0 1 0
8 0
mcl2k 2048 5916 0 5888 7 2 5 6 0
8 1
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 10128 0 10085 4 0 4 4 0
8 0
bufpl 256 2095 0 276 114 0 114 114 0
8 0
anonpl 16 100012 0 90613 40 2 38 38 0
62 0
amapchunkpl 152 930 0 853 4 0 4 4 0
158 0
amappl16 192 4893 0 4407 25 0 25 25 0
8 0
amappl14 176 35 0 31 1 0 1 1 0
8 0
amappl12 160 6 0 6 2 2 0 1 0
8 0
amappl11 152 43 0 32 1 0 1 1 0
8 0
amappl10 144 3 0 3 2 2 0 1 0
8 0
amappl9 136 383 0 382 1 0 1 1 0
8 0
amappl8 128 106 0 97 1 0 1 1 0
8 0
amappl7 120 15 0 14 1 0 1 1 0
8 0
amappl6 112 43 0 38 1 0 1 1 0
8 0
amappl5 104 136 0 127 1 0 1 1 0
8 0
amappl4 96 392 0 370 1 0 1 1 0
8 0
amappl3 88 102 0 96 1 0 1 1 0
8 0
amappl2 80 871 0 805 3 1 2 2 0
8 0
amappl1 72 12232 0 11816 16 7 9 16 0
8 0
amappl 80 467 0 438 1 0 1 1 0
8 0
uaddrrnd 24 198 0 183 1 0 1 1 0
8 0
8 0
vmmpekpl 168 5535 0 5519 1 0 1 1 0
8 0
vmmpepl 168 54051 0 52679 79 18 61 61 0
357 1
vmsppl 272 197 0 183 1 0 1 1 0
8 0
pdppl 4096 402 0 366 5 0 5 5 0
8 0
pvpl 32 314320 0 303168 97 6 91 91 0
265 1
pmappl 200 197 0 183 1 0 1 1 0
8 0
8 0
ddb>
HEAD commit: ee79b9a7 On startup withdraw all proposals for all int..
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=0fc1766671a9461de8a5
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12dddb5ae00000
dashboard link: https://syzkaller.appspot.com/bug?extid=0fc1766671a9461de8a5
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13759b8ce00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+0fc176...@syzkaller.appspotmail.com
item addr 0xfffffd803ec30e40; offset 0x14=0xdeadbeee
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 30154 55887 0 0 0x4000000 0 syz-executor5070
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff8000149042a8) at pool_do_get+0x463
panic() at panic+0x15c sys/kern/subr_prf.c:207
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff80001488e508,ffff800014904498,0,ffff8000149044e0)
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff80001488e508,ffff800014904498,ffff8000149044e0) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff800014904560) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e4199f58d0, count: 6
end of kernel
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
pool_do_get: aobjpl free list modified: page 0xfffffd803ec30000; item addr
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
0xfffffd803ec30e40; offset 0x14=0xdeadbeee
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff825aa5d8,1,ffff8000149042a8) at pool_do_get+0x463
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
sys/kern/subr_pool.c:744
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
shmget_allocate_segment(ffff80001488e508,ffff800014904498,0,ffff8000149044e0)
pool_get(ffffffff825aa5d8,1) at pool_get+0xb5 sys/kern/subr_pool.c:581
uao_create() at uao_create+0x7c sys/uvm/uvm_aobj.c:728
at
shmget_allocate_segment+0x352 sys/kern/sysv_shm.c:430
sys_shmget(ffff80001488e508,ffff800014904498,ffff8000149044e0) at
sys_shmget+0x13f sys/kern/sysv_shm.c:468
syscall(ffff800014904560) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8e4199f58d0, count: -9
end of kernel
ddb> show registers
rdi 0
rsi 0x1
rdi 0
rbp 0xffff800014904110
rbx 0xffff8000149041c0
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff8000149040d0
r9 0x1
r10 0x36e3855854ccd7c4
r11 0x482b398ed64b4ce1
r12 0x3000000008
r13 0xffff800014904120
r14 0x100
r15 0x1
rip 0xffffffff81339268 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800014904100
r15 0x1
rip 0xffffffff81339268 db_enter+0x18
cs 0x8
rflags 0x246
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor5070) pid=30154 stat=onproc
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
flags process=0 proc=4000000<THREAD>
pri=56, usrpri=56, nice=20
forw=0xffffffffffffffff, list=0xffff80001488ec70,0xffffffff82583be0
process=0xffff8000148a37b8 user=0xffff8000148ff000,
vmspace=0xfffffd803f012bb0
estcpu=6, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
89446 334849 64206 0 2 0 syz-executor5070
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
89446 132640 64206 0 2 0x4000000 syz-executor5070
55887 388264 27052 0 2 0 syz-executor5070
55887 323509 27052 0 2 0x4000000 syz-executor5070
55887 357896 27052 0 3 0x4000080 fsleep syz-executor5070
*55887 30154 27052 0 7 0x4000000 syz-executor5070
27052 85419 49580 0 3 0x80 nanosleep syz-executor5070
64206 222388 49580 0 3 0x80 nanosleep syz-executor5070
49580 152726 24562 0 3 0x82 nanosleep syz-executor5070
24562 101117 15748 0 3 0x10008a pause ksh
15748 105453 32312 0 3 0x92 select sshd
41719 237028 1 0 3 0x100083 ttyin getty
32312 443512 1 0 3 0x80 select sshd
31532 518096 26495 73 3 0x100090 kqread syslogd
26495 411697 1 0 3 0x100082 netio syslogd
76886 457422 1 77 3 0x100090 poll dhclient
27549 39293 1 0 3 0x80 poll dhclient
94935 168784 0 0 2 0x14200 zerothread
92338 120394 0 0 3 0x14200 aiodoned aiodoned
20187 512653 0 0 3 0x14200 syncer update
24270 470110 0 0 3 0x14200 cleaner cleaner
46731 29871 0 0 3 0x14200 reaper reaper
43107 76627 0 0 3 0x14200 pgdaemon pagedaemon
69723 4339 0 0 3 0x14200 bored crynlk
32106 265948 0 0 3 0x14200 bored crypto
36209 438896 0 0 3 0x40014200 acpi0 acpi0
10467 155550 0 0 3 0x14200 bored softnet
1203 436853 0 0 3 0x14200 bored systqmp
83823 154806 0 0 3 0x14200 bored systq
85499 366019 0 0 3 0x40014200 bored softclock
61038 114231 0 0 3 0x40014200 idle0
9681 149617 0 0 3 0x14200 bored smr
1 346584 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 Kern Lim
devbuf 9443 6318K 6319K 78643K 10540 0 0
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
pcb 13 8K 8K 78643K 13 0 0
rtable 61 1K 2K 78643K 115 0 0
ifaddr 24 7K 7K 78643K 24 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 13 0 0
iov 1 12K 24K 78643K 38 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1181 74K 74K 78643K 1223 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 20 0 0
UFS mount 5 36K 36K 78643K 5 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 0K 0K 78643K 38 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
file desc 3 4K 5K 78643K 61 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
proc 47 38K 46K 78643K 278 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 11 0K 0K 78643K 11 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 48 212K 212K 78643K 48 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
exec 0 0K 1K 78643K 151 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 63 3K 3K 78643K 820 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM aobj 3 2K 2K 78643K 38 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 3 0K 0K 78643K 3 0 0
crypto data 1 1K 1K 78643K 1 0 0
temp 22 3527K 3583K 78643K 1725 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 2 0 0 1 0 1 1 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
8 0
rtpcb 80 15 0 13 1 0 1 1 0
8 0
rtentry 112 23 0 1 1 0 1 1 0
8 0
unpcb 120 27 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 2 2 0 1 0
8 0
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 22 0 16 1 0 1 1 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 97 0 0 7 0 7 7 0
8 0
8 0
art_table 32 98 0 0 1 0 1 1 0
8 0
art_node 16 22 0 2 1 0 1 1 0
8 0
semapl 112 36 0 26 1 0 1 1 0
8 0
shmpl 112 37 0 36 1 0 1 1 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1429 0 54 45 0 45 45 0
8 0
8 0
ffsino 240 1429 0 54 81 0 81 81 0
8 0
nchpl 144 1614 0 80 57 0 57 57 0
8 0
uvmvnodes 72 1438 0 0 27 0 27 27 0
8 0
vnodes 208 1438 0 0 76 0 76 76 0
8 0
namei 1024 3908 0 3908 2 1 1 1 0
8 1
scxspl 192 12034 0 12034 9 8 1 7 0
8 1
plimitpl 152 13 0 8 1 0 1 1 0
8 0
sigapl 432 197 0 183 2 0 2 2 0
8 0
futexpl 56 625 0 624 1 0 1 1 0
8 0
knotepl 112 5 0 0 1 0 1 1 0
8 0
kqueuepl 104 1 0 0 1 0 1 1 0
8 0
pipepl 128 114 0 107 2 1 1 1 0
8 0
fdescpl 424 198 0 183 2 0 2 2 0
8 0
filepl 120 1137 0 1084 2 0 2 2 0
8 0
lockfpl 104 79 0 76 1 0 1 1 0
8 0
lockfspl 48 4 0 2 1 0 1 1 0
8 0
sessionpl 112 17 0 9 1 0 1 1 0
8 0
pgrppl 48 17 0 9 1 0 1 1 0
8 0
ucredpl 96 275 0 268 1 0 1 1 0
8 0
zombiepl 144 183 0 183 2 1 1 1 0
8 1
processpl 864 212 0 183 4 0 4 4 0
8 0
procpl 632 285 0 252 4 0 4 4 0
8 0
sockpl 384 64 0 48 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 2 0 1 0
8 0
mcl2k 2048 5916 0 5888 7 2 5 6 0
8 1
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 10128 0 10085 4 0 4 4 0
8 0
bufpl 256 2095 0 276 114 0 114 114 0
8 0
anonpl 16 100012 0 90613 40 2 38 38 0
62 0
amapchunkpl 152 930 0 853 4 0 4 4 0
158 0
amappl16 192 4893 0 4407 25 0 25 25 0
8 0
amappl14 176 35 0 31 1 0 1 1 0
8 0
amappl12 160 6 0 6 2 2 0 1 0
8 0
amappl11 152 43 0 32 1 0 1 1 0
8 0
amappl10 144 3 0 3 2 2 0 1 0
8 0
amappl9 136 383 0 382 1 0 1 1 0
8 0
amappl8 128 106 0 97 1 0 1 1 0
8 0
amappl7 120 15 0 14 1 0 1 1 0
8 0
amappl6 112 43 0 38 1 0 1 1 0
8 0
amappl5 104 136 0 127 1 0 1 1 0
8 0
amappl4 96 392 0 370 1 0 1 1 0
8 0
amappl3 88 102 0 96 1 0 1 1 0
8 0
amappl2 80 871 0 805 3 1 2 2 0
8 0
amappl1 72 12232 0 11816 16 7 9 16 0
8 0
amappl 80 467 0 438 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 37 0 35 1 0 1 1 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
8 0
pool(0xffffffff825aa5d8:aobjpl): page inconsistency: page
0xfffffd803ec30000; 59 on list, 2 missing, 62 items per page
uaddrrnd 24 198 0 183 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 198 0 183 1 0 1 1 0
8 0
8 0
vmmpekpl 168 5535 0 5519 1 0 1 1 0
8 0
vmmpepl 168 54051 0 52679 79 18 61 61 0
357 1
vmsppl 272 197 0 183 1 0 1 1 0
8 0
pdppl 4096 402 0 366 5 0 5 5 0
8 0
pvpl 32 314320 0 303168 97 6 91 91 0
265 1
pmappl 200 197 0 183 1 0 1 1 0
8 0
extentpl 40 46 0 29 1 0 1 1 0
8 0
phpool 112 230 0 7 7 0 7 7 0
8 0
8 0
ddb>
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