panic: ifa_update_broadaddr does not support dynamic length
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syzbot
Sep 10, 2019, 2:54:08 PM9/10/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 4f5a6e71 If the requensted block size is too large, then u..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=16fdaf15600000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=5fc6da002fc4e8d994be
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+5fc6da...@syzkaller.appspotmail.com
panic: ifa_update_broadaddr does not support dynamic length
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*415378 49867 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr(ffff800000ab0000,ffff800000b28000,ffff800014914660) at
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800014914650,ffff800000ab0000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd803d265c00,80206913,ffff800014914650,ffff8000149333d8) at
ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff8000149333d8,ffff800014914768,ffff8000149147b0) at
sys_ioctl+0x5b9
syscall(ffff800014914830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,ed3b1090010) at Xsyscall+0x128
end of kernel
end trace frame: 0xed6a4863570, 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
ifa_update_broadaddr does not support dynamic length
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
ifa_update_broadaddr(ffff800000ab0000,ffff800000b28000,ffff800014914660) at
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800014914650,ffff800000ab0000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd803d265c00,80206913,ffff800014914650,ffff8000149333d8) at
ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff8000149333d8,ffff800014914768,ffff8000149147b0) at
sys_ioctl+0x5b9
syscall(ffff800014914830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,ed3b1090010) at Xsyscall+0x128
end of kernel
end trace frame: 0xed6a4863570, count: -8
ddb> show registers
rdi 0xffffffff8118e297 db_enter+0x17
rsi 0x1d0c __ALIGN_SIZE+0xd0c
rbp 0xffff8000149143f0
rbx 0xffff8000149144a0
rdx 0x1d0d __ALIGN_SIZE+0xd0d
rcx 0xffff800015957000
rax 0xffff800015957000
r8 0xffff8000149143b0
r9 0x1
r10 0xffff800000a62400
r11 0x44b9c85f25534977
r12 0x3000000008
r13 0xffff800014914400
r14 0x100
r15 0x1
rip 0xffffffff8118e298 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149143e0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) pid=415378 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000149329f8,0xffffffff825545b0
process=0xffff8000148a2a38 user=0xffff80001490f000,
vmspace=0xfffffd803f013440
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49867 522210 4787 0 2 0 syz-executor.1
*49867 415378 4787 0 7 0x4000000 syz-executor.1
4787 346044 44504 0 3 0x82 nanosleep syz-executor.1
4557 314178 44504 0 3 0x82 nanosleep syz-executor.0
78355 248864 1 0 3 0x100083 ttyin getty
25969 482285 0 0 3 0x14200 bored sosplice
44504 299460 64871 0 3 0x82 thrsleep syz-fuzzer
44504 282885 64871 0 3 0x4000082 nanosleep syz-fuzzer
44504 212469 64871 0 3 0x4000082 kqread syz-fuzzer
44504 69325 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 296639 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 5758 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 13751 64871 0 3 0x4000082 thrsleep syz-fuzzer
64871 483406 17817 0 3 0x10008a pause ksh
17817 513218 5531 0 3 0x92 select sshd
5531 47299 1 0 3 0x80 select sshd
12424 120061 99495 73 2 0x100010 syslogd
99495 465954 1 0 3 0x100082 netio syslogd
59783 142575 1 77 3 0x100090 poll dhclient
56084 474736 1 0 3 0x80 poll dhclient
36285 436747 0 0 2 0x14200 zerothread
70450 299700 0 0 3 0x14200 aiodoned aiodoned
69446 343851 0 0 3 0x14200 syncer update
27526 70558 0 0 3 0x14200 cleaner cleaner
35522 89829 0 0 3 0x14200 reaper reaper
4351 487068 0 0 3 0x14200 pgdaemon pagedaemon
46877 303784 0 0 3 0x14200 bored crynlk
3301 182887 0 0 3 0x14200 bored crypto
66136 260232 0 0 3 0x40014200 acpi0 acpi0
65323 24434 0 0 3 0x14200 bored softnet
48555 509991 0 0 3 0x14200 bored systqmp
5193 61690 0 0 3 0x14200 bored systq
35683 367499 0 0 3 0x40014200 bored softclock
26506 346583 0 0 3 0x40014200 idle0
98943 477500 0 0 3 0x14200 bored smr
1 345870 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 9549 6502K 6973K 78643K 13195 0 0
pcb 13 8K 8K 78643K 160 0 0
rtable 115 12K 12K 78643K 747 0 0
ifaddr 66 14K 14K 78643K 209 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 50 0 0
iov 0 0K 32K 78643K 126 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1214 76K 77K 78643K 2320 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 19 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 1K 1K 78643K 14 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12645 0 0
file desc 5 13K 25K 78643K 1264 0 0
sigio 0 0K 0K 78643K 8 0 0
proc 48 38K 63K 78643K 821 0 0
subproc 32 2K 2K 78643K 187 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 153 0 0
in_multi 33 2K 2K 78643K 171 0 0
ether_multi 1 0K 0K 78643K 5 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 174 768K 768K 78643K 174 0 0
exec 0 0K 1K 78643K 392 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 100 21K 30K 78643K 3903 0 0
UVM aobj 79 3K 3K 78643K 81 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 115 0 0
NDP 18 0K 0K 78643K 67 0 0
temp 184 3531K 3600K 78643K 21867 0 0
kqueue 0 0K 0K 78643K 6 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 24 0 18 1 0 1 1 0
8 0
rtpcb 80 127 0 125 1 0 1 1 0
8 0
rtentry 112 137 0 93 2 0 2 2 0
8 0
unpcb 120 579 0 571 2 1 1 2 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
tcpqe 32 5895 0 5895 1 1 0 1 0
8 0
tcpcb 544 258 0 254 1 0 1 1 0
8 0
ipq 40 1 0 1 1 1 0 1 0
8 0
ipqe 40 2 0 2 1 1 0 1 0
8 0
inpcb 280 816 0 808 4 3 1 2 0
8 0
nd6 48 22 0 18 1 0 1 1 0
8 0
pkpcb 40 4 0 4 2 2 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 20 0 20 5 5 0 1 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 614 0 400 14 0 14 14 0
8 0
art_table 32 615 0 400 2 0 2 2 0
8 0
art_node 16 134 0 94 1 0 1 1 0
8 0
sysvmsgpl 40 20 0 12 2 1 1 1 0
8 0
semupl 112 4 0 4 1 1 0 1 0
8 0
semapl 112 10 0 0 1 0 1 1 0
8 0
shmpl 112 79 0 2 3 0 3 3 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 3168 0 1780 46 0 46 46 0
8 0
ffsino 240 3168 0 1780 83 0 83 83 0
8 0
nchpl 144 5748 0 4150 60 0 60 60 0
8 0
uvmvnodes 72 3988 0 0 73 0 73 73 0
8 0
vnodes 208 3988 0 0 210 0 210 210 0
8 0
namei 1024 18030 0 18030 6 5 1 1 0
8 1
scsiplug 64 4 0 4 3 3 0 1 0
8 0
scxspl 192 24104 0 24104 11 10 1 7 0
8 1
plimitpl 152 135 0 128 1 0 1 1 0
8 0
sigapl 432 1409 0 1396 2 0 2 2 0
8 0
futexpl 56 24543 0 24543 6 5 1 1 0
8 1
knotepl 112 474 0 455 4 3 1 2 0
8 0
kqueuepl 104 256 0 254 1 0 1 1 0
8 0
pipepl 112 892 0 873 7 6 1 2 0
8 0
fdescpl 424 1410 0 1396 2 0 2 2 0
8 0
filepl 120 10472 0 10376 9 6 3 7 0
8 0
lockfpl 104 336 0 335 1 0 1 1 0
8 0
lockfspl 48 112 0 111 1 0 1 1 0
8 0
sessionpl 112 27 0 17 1 0 1 1 0
8 0
pgrppl 48 57 0 47 1 0 1 1 0
8 0
ucredpl 96 1560 0 1553 1 0 1 1 0
8 0
zombiepl 144 1396 0 1395 3 2 1 1 0
8 0
processpl 864 1425 0 1395 4 0 4 4 0
8 0
procpl 632 2802 0 2765 4 0 4 4 0
8 0
sosppl 128 11 0 11 6 6 0 1 0
8 0
sockpl 384 1537 0 1519 11 8 3 7 0
8 1
mcl64k 65536 28 0 28 6 6 0 1 0
8 0
mcl16k 16384 7 0 7 7 7 0 1 0
8 0
mcl12k 12288 16 0 16 6 6 0 1 0
8 0
mcl9k 9216 10 0 10 5 5 0 1 0
8 0
mcl8k 8192 17 0 17 6 6 0 1 0
8 0
mcl4k 4096 92 0 92 4 4 0 1 0
8 0
mcl2k2 2112 12 0 12 5 5 0 1 0
8 0
mcl2k 2048 51795 0 51748 22 15 7 14 0
8 1
mtagpl 80 35 0 33 3 2 1 1 0
8 0
mbufpl 256 91351 0 91243 17 9 8 9 0
8 0
bufpl 256 10238 0 4135 383 1 382 382 0
8 0
anonpl 16 153335 0 142750 108 44 64 73 0
62 4
amapchunkpl 152 6865 0 6758 19 13 6 10 0
158 1
amappl16 192 6938 0 6135 86 36 50 53 0
8 8
amappl15 184 35 0 35 2 2 0 1 0
8 0
amappl14 176 481 0 478 2 1 1 1 0
8 0
amappl13 168 220 0 218 1 0 1 1 0
8 0
amappl12 160 164 0 161 1 0 1 1 0
8 0
amappl11 152 230 0 219 1 0 1 1 0
8 0
amappl10 144 19 0 19 2 2 0 1 0
8 0
amappl9 136 856 0 849 1 0 1 1 0
8 0
amappl8 128 357 0 330 1 0 1 1 0
8 0
amappl7 120 82 0 76 1 0 1 1 0
8 0
amappl6 112 248 0 237 1 0 1 1 0
8 0
amappl5 104 357 0 347 1 0 1 1 0
8 0
amappl4 96 1742 0 1713 1 0 1 1 0
8 0
amappl3 88 229 0 222 1 0 1 1 0
8 0
amappl2 80 9763 0 9694 4 2 2 3 0
8 0
amappl1 72 35399 0 35002 28 19 9 20 0
8 0
amappl 80 3174 0 3138 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
dma64 64 259 0 259 1 1 0 1 0
8 0
dma32 32 7 0 7 1 1 0 1 0
8 0
dma16 16 17 0 17 1 1 0 1 0
8 0
aobjpl 64 80 0 2 2 0 2 2 0
8 0
uaddrrnd 24 1410 0 1396 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 1410 0 1396 1 0 1 1 0
8 0
vmmpekpl 168 13080 0 13059 2 0 2 2 0
8 0
vmmpepl 168 172943 0 171110 215 103 112 112 0 357
29
vmsppl 272 1409 0 1396 3 1 2 2 0
8 1
pdppl 4096 2826 0 2792 6 1 5 6 0
8 0
pvpl 32 549982 0 536310 400 155 245 280 0 265
102
pmappl 200 1409 0 1396 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 564 0 57 15 0 15 15 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: 4f5a6e71 If the requensted block size is too large, then u..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=16fdaf15600000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=5fc6da002fc4e8d994be
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+5fc6da...@syzkaller.appspotmail.com
panic: ifa_update_broadaddr does not support dynamic length
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*415378 49867 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr(ffff800000ab0000,ffff800000b28000,ffff800014914660) at
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800014914650,ffff800000ab0000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd803d265c00,80206913,ffff800014914650,ffff8000149333d8) at
ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff8000149333d8,ffff800014914768,ffff8000149147b0) at
sys_ioctl+0x5b9
syscall(ffff800014914830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,ed3b1090010) at Xsyscall+0x128
end of kernel
end trace frame: 0xed6a4863570, 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
ifa_update_broadaddr does not support dynamic length
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
ifa_update_broadaddr(ffff800000ab0000,ffff800000b28000,ffff800014914660) at
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800014914650,ffff800000ab0000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd803d265c00,80206913,ffff800014914650,ffff8000149333d8) at
ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff8000149333d8,ffff800014914768,ffff8000149147b0) at
sys_ioctl+0x5b9
syscall(ffff800014914830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,ed3b1090010) at Xsyscall+0x128
end of kernel
end trace frame: 0xed6a4863570, count: -8
ddb> show registers
rdi 0xffffffff8118e297 db_enter+0x17
rsi 0x1d0c __ALIGN_SIZE+0xd0c
rbp 0xffff8000149143f0
rbx 0xffff8000149144a0
rdx 0x1d0d __ALIGN_SIZE+0xd0d
rcx 0xffff800015957000
rax 0xffff800015957000
r8 0xffff8000149143b0
r9 0x1
r10 0xffff800000a62400
r11 0x44b9c85f25534977
r12 0x3000000008
r13 0xffff800014914400
r14 0x100
r15 0x1
rip 0xffffffff8118e298 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149143e0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) pid=415378 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000149329f8,0xffffffff825545b0
process=0xffff8000148a2a38 user=0xffff80001490f000,
vmspace=0xfffffd803f013440
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49867 522210 4787 0 2 0 syz-executor.1
*49867 415378 4787 0 7 0x4000000 syz-executor.1
4787 346044 44504 0 3 0x82 nanosleep syz-executor.1
4557 314178 44504 0 3 0x82 nanosleep syz-executor.0
78355 248864 1 0 3 0x100083 ttyin getty
25969 482285 0 0 3 0x14200 bored sosplice
44504 299460 64871 0 3 0x82 thrsleep syz-fuzzer
44504 282885 64871 0 3 0x4000082 nanosleep syz-fuzzer
44504 212469 64871 0 3 0x4000082 kqread syz-fuzzer
44504 69325 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 296639 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 5758 64871 0 3 0x4000082 thrsleep syz-fuzzer
44504 13751 64871 0 3 0x4000082 thrsleep syz-fuzzer
64871 483406 17817 0 3 0x10008a pause ksh
17817 513218 5531 0 3 0x92 select sshd
5531 47299 1 0 3 0x80 select sshd
12424 120061 99495 73 2 0x100010 syslogd
99495 465954 1 0 3 0x100082 netio syslogd
59783 142575 1 77 3 0x100090 poll dhclient
56084 474736 1 0 3 0x80 poll dhclient
36285 436747 0 0 2 0x14200 zerothread
70450 299700 0 0 3 0x14200 aiodoned aiodoned
69446 343851 0 0 3 0x14200 syncer update
27526 70558 0 0 3 0x14200 cleaner cleaner
35522 89829 0 0 3 0x14200 reaper reaper
4351 487068 0 0 3 0x14200 pgdaemon pagedaemon
46877 303784 0 0 3 0x14200 bored crynlk
3301 182887 0 0 3 0x14200 bored crypto
66136 260232 0 0 3 0x40014200 acpi0 acpi0
65323 24434 0 0 3 0x14200 bored softnet
48555 509991 0 0 3 0x14200 bored systqmp
5193 61690 0 0 3 0x14200 bored systq
35683 367499 0 0 3 0x40014200 bored softclock
26506 346583 0 0 3 0x40014200 idle0
98943 477500 0 0 3 0x14200 bored smr
1 345870 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 9549 6502K 6973K 78643K 13195 0 0
pcb 13 8K 8K 78643K 160 0 0
rtable 115 12K 12K 78643K 747 0 0
ifaddr 66 14K 14K 78643K 209 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 50 0 0
iov 0 0K 32K 78643K 126 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1214 76K 77K 78643K 2320 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 19 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 1K 1K 78643K 14 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12645 0 0
file desc 5 13K 25K 78643K 1264 0 0
sigio 0 0K 0K 78643K 8 0 0
proc 48 38K 63K 78643K 821 0 0
subproc 32 2K 2K 78643K 187 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 153 0 0
in_multi 33 2K 2K 78643K 171 0 0
ether_multi 1 0K 0K 78643K 5 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 174 768K 768K 78643K 174 0 0
exec 0 0K 1K 78643K 392 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 100 21K 30K 78643K 3903 0 0
UVM aobj 79 3K 3K 78643K 81 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 115 0 0
NDP 18 0K 0K 78643K 67 0 0
temp 184 3531K 3600K 78643K 21867 0 0
kqueue 0 0K 0K 78643K 6 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 24 0 18 1 0 1 1 0
8 0
rtpcb 80 127 0 125 1 0 1 1 0
8 0
rtentry 112 137 0 93 2 0 2 2 0
8 0
unpcb 120 579 0 571 2 1 1 2 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
tcpqe 32 5895 0 5895 1 1 0 1 0
8 0
tcpcb 544 258 0 254 1 0 1 1 0
8 0
ipq 40 1 0 1 1 1 0 1 0
8 0
ipqe 40 2 0 2 1 1 0 1 0
8 0
inpcb 280 816 0 808 4 3 1 2 0
8 0
nd6 48 22 0 18 1 0 1 1 0
8 0
pkpcb 40 4 0 4 2 2 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 20 0 20 5 5 0 1 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 614 0 400 14 0 14 14 0
8 0
art_table 32 615 0 400 2 0 2 2 0
8 0
art_node 16 134 0 94 1 0 1 1 0
8 0
sysvmsgpl 40 20 0 12 2 1 1 1 0
8 0
semupl 112 4 0 4 1 1 0 1 0
8 0
semapl 112 10 0 0 1 0 1 1 0
8 0
shmpl 112 79 0 2 3 0 3 3 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 3168 0 1780 46 0 46 46 0
8 0
ffsino 240 3168 0 1780 83 0 83 83 0
8 0
nchpl 144 5748 0 4150 60 0 60 60 0
8 0
uvmvnodes 72 3988 0 0 73 0 73 73 0
8 0
vnodes 208 3988 0 0 210 0 210 210 0
8 0
namei 1024 18030 0 18030 6 5 1 1 0
8 1
scsiplug 64 4 0 4 3 3 0 1 0
8 0
scxspl 192 24104 0 24104 11 10 1 7 0
8 1
plimitpl 152 135 0 128 1 0 1 1 0
8 0
sigapl 432 1409 0 1396 2 0 2 2 0
8 0
futexpl 56 24543 0 24543 6 5 1 1 0
8 1
knotepl 112 474 0 455 4 3 1 2 0
8 0
kqueuepl 104 256 0 254 1 0 1 1 0
8 0
pipepl 112 892 0 873 7 6 1 2 0
8 0
fdescpl 424 1410 0 1396 2 0 2 2 0
8 0
filepl 120 10472 0 10376 9 6 3 7 0
8 0
lockfpl 104 336 0 335 1 0 1 1 0
8 0
lockfspl 48 112 0 111 1 0 1 1 0
8 0
sessionpl 112 27 0 17 1 0 1 1 0
8 0
pgrppl 48 57 0 47 1 0 1 1 0
8 0
ucredpl 96 1560 0 1553 1 0 1 1 0
8 0
zombiepl 144 1396 0 1395 3 2 1 1 0
8 0
processpl 864 1425 0 1395 4 0 4 4 0
8 0
procpl 632 2802 0 2765 4 0 4 4 0
8 0
sosppl 128 11 0 11 6 6 0 1 0
8 0
sockpl 384 1537 0 1519 11 8 3 7 0
8 1
mcl64k 65536 28 0 28 6 6 0 1 0
8 0
mcl16k 16384 7 0 7 7 7 0 1 0
8 0
mcl12k 12288 16 0 16 6 6 0 1 0
8 0
mcl9k 9216 10 0 10 5 5 0 1 0
8 0
mcl8k 8192 17 0 17 6 6 0 1 0
8 0
mcl4k 4096 92 0 92 4 4 0 1 0
8 0
mcl2k2 2112 12 0 12 5 5 0 1 0
8 0
mcl2k 2048 51795 0 51748 22 15 7 14 0
8 1
mtagpl 80 35 0 33 3 2 1 1 0
8 0
mbufpl 256 91351 0 91243 17 9 8 9 0
8 0
bufpl 256 10238 0 4135 383 1 382 382 0
8 0
anonpl 16 153335 0 142750 108 44 64 73 0
62 4
amapchunkpl 152 6865 0 6758 19 13 6 10 0
158 1
amappl16 192 6938 0 6135 86 36 50 53 0
8 8
amappl15 184 35 0 35 2 2 0 1 0
8 0
amappl14 176 481 0 478 2 1 1 1 0
8 0
amappl13 168 220 0 218 1 0 1 1 0
8 0
amappl12 160 164 0 161 1 0 1 1 0
8 0
amappl11 152 230 0 219 1 0 1 1 0
8 0
amappl10 144 19 0 19 2 2 0 1 0
8 0
amappl9 136 856 0 849 1 0 1 1 0
8 0
amappl8 128 357 0 330 1 0 1 1 0
8 0
amappl7 120 82 0 76 1 0 1 1 0
8 0
amappl6 112 248 0 237 1 0 1 1 0
8 0
amappl5 104 357 0 347 1 0 1 1 0
8 0
amappl4 96 1742 0 1713 1 0 1 1 0
8 0
amappl3 88 229 0 222 1 0 1 1 0
8 0
amappl2 80 9763 0 9694 4 2 2 3 0
8 0
amappl1 72 35399 0 35002 28 19 9 20 0
8 0
amappl 80 3174 0 3138 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
dma64 64 259 0 259 1 1 0 1 0
8 0
dma32 32 7 0 7 1 1 0 1 0
8 0
dma16 16 17 0 17 1 1 0 1 0
8 0
aobjpl 64 80 0 2 2 0 2 2 0
8 0
uaddrrnd 24 1410 0 1396 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 1410 0 1396 1 0 1 1 0
8 0
vmmpekpl 168 13080 0 13059 2 0 2 2 0
8 0
vmmpepl 168 172943 0 171110 215 103 112 112 0 357
29
vmsppl 272 1409 0 1396 3 1 2 2 0
8 1
pdppl 4096 2826 0 2792 6 1 5 6 0
8 0
pvpl 32 549982 0 536310 400 155 245 280 0 265
102
pmappl 200 1409 0 1396 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 564 0 57 15 0 15 15 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
Sep 10, 2019, 3:39:07 PM9/10/19
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following crash on:
HEAD commit: 4f5a6e71 If the requensted block size is too large, then u..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1203af15600000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=5fc6da002fc4e8d994be
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f4f6f6600000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5fc6da...@syzkaller.appspotmail.com
login: panic: ifa_update_broadaddr does not support dynamic length
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800020b5f220,ffff800000a66000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd806f6d6a80,80206913,ffff800020b5f220,ffff800020abfb40) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020abfb40,ffff800020b5f338,ffff800020b5f380) at
sys_ioctl+0x5b9
syscall(ffff800020b5f400) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b5f400) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,21ef146b010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2ae0, count: 7
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800020b5f220,ffff800000a66000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd806f6d6a80,80206913,ffff800020b5f220,ffff800020abfb40) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020abfb40,ffff800020b5f338,ffff800020b5f380) at
sys_ioctl+0x5b9
syscall(ffff800020b5f400) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b5f400) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,21ef146b010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2ae0, count: -8
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020b5efc0
rbx 0xffff800020b5f070
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff81dbebdf kprintf+0x16f
r9 0x1
r10 0x57b3b63529368874
r11 0xfae26ac2001caa1
r12 0x3000000008
r13 0xffff800020b5efd0
r14 0x100
r15 0x1
rip 0xffffffff81e59458 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020b5efb0
PROC (syz-executor.0) pid=479385 stat=onproc
flags process=0 proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff800020abf8c8,0xffffffff8262fc50
process=0xffff800020add500 user=0xffff800020b5a000,
vmspace=0xfffffd807f00ca10
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
13426 308793 66335 0 3 0x82 nanosleep syz-executor.0
66335 41305 91034 0 3 0x82 thrsleep syz-execprog
66335 155988 91034 0 3 0x4000082 nanosleep syz-execprog
66335 125954 91034 0 3 0x4000082 thrsleep syz-execprog
66335 419857 91034 0 3 0x4000082 thrsleep syz-execprog
66335 82036 91034 0 3 0x4000082 kqread syz-execprog
66335 407925 91034 0 3 0x4000082 thrsleep syz-execprog
66335 970 91034 0 3 0x4000082 thrsleep syz-execprog
66335 244665 91034 0 3 0x4000082 thrsleep syz-execprog
66335 250981 91034 0 3 0x4000082 thrsleep syz-execprog
91034 292921 63186 0 3 0x10008a pause ksh
63186 483030 62207 0 3 0x92 select sshd
85095 371834 1 0 3 0x100083 ttyin getty
62207 514256 1 0 3 0x80 select sshd
81603 144402 71270 74 3 0x100092 bpf pflogd
71270 466797 1 0 3 0x80 netio pflogd
73415 406176 73555 73 3 0x100090 kqread syslogd
73555 203378 1 0 3 0x100082 netio syslogd
32168 457410 1 77 3 0x100090 poll dhclient
57808 391370 1 0 3 0x80 poll dhclient
92489 38726 0 0 3 0x14200 pgzero zerothread
43853 119728 0 0 3 0x14200 aiodoned aiodoned
18621 452219 0 0 3 0x14200 syncer update
6728 486730 0 0 3 0x14200 cleaner cleaner
95764 485029 0 0 3 0x14200 reaper reaper
69670 324654 0 0 3 0x14200 pgdaemon pagedaemon
23450 41155 0 0 3 0x14200 bored crynlk
32828 285556 0 0 3 0x14200 bored crypto
64375 392462 0 0 3 0x40014200 acpi0 acpi0
80889 128379 0 0 7 0x40014200 idle1
64755 170645 0 0 3 0x14200 bored softnet
97070 451843 0 0 3 0x14200 bored systqmp
93986 475287 0 0 3 0x14200 bored systq
34170 34670 0 0 3 0x40014200 bored softclock
14533 256347 0 0 3 0x40014200 idle0
87808 209537 0 0 3 0x14200 bored smr
1 315706 0 0 3 0x82 wait init
Process 63351 (syz-executor.0) thread 0xffff800020abfb40 (479385)
exclusive rwlock netlock r = 0 (0xffffffff824e7f58)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 in_ioctl+0x142
#2 ifioctl+0xb64 sys/net/if.c:2202
#3 sys_ioctl+0x5b9
#4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82663928)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{0}> show malloc
pcb 13 8K 8K 78643K 13 0 0
rtable 83 2K 2K 78643K 163 0 0
ifaddr 32 9K 9K 78643K 33 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1468 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
file desc 3 8K 12K 78643K 18 0 0
proc 59 63K 83K 78643K 384 0 0
ether_multi 1 0K 0K 78643K 1 0 0
exec 0 0K 1K 78643K 199 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
temp 48 3538K 3602K 78643K 3336 0 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 17 0 15 1 0 1 1 0
8 0
rtentry 112 34 0 1 1 0 1 1 0
8 0
unpcb 120 30 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 1 0 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 34 0 27 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 10 0 1 1 0 1 1 0
8 0
pfstkey 112 10 0 1 1 0 1 1 0
8 0
pfstate 328 10 0 1 1 0 1 1 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
8 0
art_table 32 167 0 0 2 0 2 2 0
8 0
art_node 16 33 0 3 1 0 1 1 0
8 0
8 0
ffsino 272 1422 0 20 94 0 94 94 0
8 0
nchpl 144 1661 0 49 60 0 60 60 0
8 0
uvmvnodes 72 1432 0 0 27 0 27 27 0
8 0
vnodes 208 1432 0 0 76 0 76 76 0
8 0
namei 1024 4142 0 4142 2 1 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
scxspl 192 4233 0 4233 8 1 7 7 0
8 7
plimitpl 152 15 0 8 1 0 1 1 0
8 0
sigapl 432 226 0 212 2 0 2 2 0
8 0
knotepl 112 39 0 28 1 0 1 1 0
8 0
kqueuepl 104 2 0 0 1 0 1 1 0
8 0
pipepl 112 154 0 141 2 1 1 1 0
8 0
fdescpl 488 227 0 212 3 0 3 3 0
8 0
filepl 152 1122 0 1062 3 0 3 3 0
8 0
lockfpl 104 5 0 4 1 0 1 1 0
8 0
lockfspl 48 3 0 2 1 0 1 1 0
8 0
sessionpl 112 19 0 9 1 0 1 1 0
8 0
pgrppl 48 19 0 9 1 0 1 1 0
8 0
ucredpl 96 52 0 43 1 0 1 1 0
8 0
zombiepl 144 212 0 212 2 1 1 1 0
8 1
processpl 896 242 0 212 4 0 4 4 0
8 0
procpl 632 250 0 212 4 0 4 4 0
8 0
sockpl 384 81 0 61 2 0 2 2 0
8 0
mcl4k 4096 2 0 0 1 0 1 1 0
8 0
mcl2k 2048 72 0 0 9 0 9 9 0
8 0
mtagpl 80 1 0 0 1 0 1 1 0
8 0
mbufpl 256 92 0 0 6 0 6 6 0
8 0
bufpl 256 5885 0 1315 286 0 286 286 0
8 0
anonpl 16 22085 0 20516 15 2 13 13 0
124 6
amapchunkpl 152 851 0 789 5 0 5 5 0
158 2
amappl16 192 145 0 112 2 0 2 2 0
8 0
amappl14 176 22 0 20 2 1 1 1 0
8 0
amappl13 168 1 0 1 1 1 0 1 0
8 0
amappl12 160 9 0 8 1 0 1 1 0
8 0
amappl11 152 50 0 35 1 0 1 1 0
8 0
amappl10 144 8 0 6 1 0 1 1 0
8 0
amappl9 136 463 0 456 1 0 1 1 0
8 0
amappl8 128 133 0 122 1 0 1 1 0
8 0
amappl7 120 35 0 31 1 0 1 1 0
8 0
amappl6 112 76 0 68 1 0 1 1 0
8 0
amappl5 104 121 0 106 1 0 1 1 0
8 0
amappl4 96 496 0 471 1 0 1 1 0
8 0
amappl3 88 115 0 110 1 0 1 1 0
8 0
amappl2 80 957 0 894 3 0 3 3 0
8 1
amappl1 72 15300 0 14871 26 8 18 20 0
8 8
amappl 80 477 0 449 1 0 1 1 0
8 0
uaddrrnd 24 227 0 212 1 0 1 1 0
8 0
vmmpekpl 168 6418 0 6396 2 0 2 2 0
8 0
vmmpepl 168 32404 0 31458 92 12 80 80 0 357
38
vmsppl 368 226 0 212 2 0 2 2 0
8 0
pdppl 4096 461 0 424 6 0 6 6 0
8 1
pvpl 32 112367 0 108394 117 3 114 114 0 265
80
pmappl 232 226 0 212 1 0 1 1 0
8 0
ddb{0}>
HEAD commit: 4f5a6e71 If the requensted block size is too large, then u..
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=5fc6da002fc4e8d994be
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f4f6f6600000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5fc6da...@syzkaller.appspotmail.com
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*479385 63351 0 0 0 0K syz-executor.0
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
ifa_update_broadaddr(ffff800000a66000,ffff800000a90800,ffff800020b5f230) at
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800020b5f220,ffff800000a66000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd806f6d6a80,80206913,ffff800020b5f220,ffff800020abfb40) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020abfb40,ffff800020b5f338,ffff800020b5f380) at
sys_ioctl+0x5b9
syscall(ffff800020b5f400) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b5f400) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,21ef146b010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2ae0, 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{0}>
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
ifa_update_broadaddr does not support dynamic length
ddb{0}> 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
ifa_update_broadaddr(ffff800000a66000,ffff800000a90800,ffff800020b5f230) at
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800020b5f220,ffff800000a66000,1) at in_ioctl+0x463
sys/netinet/in.c:299
ifioctl(fffffd806f6d6a80,80206913,ffff800020b5f220,ffff800020abfb40) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020abfb40,ffff800020b5f338,ffff800020b5f380) at
sys_ioctl+0x5b9
syscall(ffff800020b5f400) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b5f400) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,21ef146b010) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2ae0, count: -8
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020b5efc0
rbx 0xffff800020b5f070
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff81dbebdf kprintf+0x16f
r9 0x1
r10 0x57b3b63529368874
r11 0xfae26ac2001caa1
r12 0x3000000008
r13 0xffff800020b5efd0
r14 0x100
r15 0x1
rip 0xffffffff81e59458 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020b5efb0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
db_enter+0x18: addq $0x8,%rsp
PROC (syz-executor.0) pid=479385 stat=onproc
flags process=0 proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff800020abf8c8,0xffffffff8262fc50
process=0xffff800020add500 user=0xffff800020b5a000,
vmspace=0xfffffd807f00ca10
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*63351 479385 13426 0 7 0 syz-executor.0
13426 308793 66335 0 3 0x82 nanosleep syz-executor.0
66335 41305 91034 0 3 0x82 thrsleep syz-execprog
66335 155988 91034 0 3 0x4000082 nanosleep syz-execprog
66335 125954 91034 0 3 0x4000082 thrsleep syz-execprog
66335 419857 91034 0 3 0x4000082 thrsleep syz-execprog
66335 82036 91034 0 3 0x4000082 kqread syz-execprog
66335 407925 91034 0 3 0x4000082 thrsleep syz-execprog
66335 970 91034 0 3 0x4000082 thrsleep syz-execprog
66335 244665 91034 0 3 0x4000082 thrsleep syz-execprog
66335 250981 91034 0 3 0x4000082 thrsleep syz-execprog
91034 292921 63186 0 3 0x10008a pause ksh
63186 483030 62207 0 3 0x92 select sshd
85095 371834 1 0 3 0x100083 ttyin getty
62207 514256 1 0 3 0x80 select sshd
81603 144402 71270 74 3 0x100092 bpf pflogd
71270 466797 1 0 3 0x80 netio pflogd
73415 406176 73555 73 3 0x100090 kqread syslogd
73555 203378 1 0 3 0x100082 netio syslogd
32168 457410 1 77 3 0x100090 poll dhclient
57808 391370 1 0 3 0x80 poll dhclient
92489 38726 0 0 3 0x14200 pgzero zerothread
43853 119728 0 0 3 0x14200 aiodoned aiodoned
18621 452219 0 0 3 0x14200 syncer update
6728 486730 0 0 3 0x14200 cleaner cleaner
95764 485029 0 0 3 0x14200 reaper reaper
69670 324654 0 0 3 0x14200 pgdaemon pagedaemon
23450 41155 0 0 3 0x14200 bored crynlk
32828 285556 0 0 3 0x14200 bored crypto
64375 392462 0 0 3 0x40014200 acpi0 acpi0
80889 128379 0 0 7 0x40014200 idle1
64755 170645 0 0 3 0x14200 bored softnet
97070 451843 0 0 3 0x14200 bored systqmp
93986 475287 0 0 3 0x14200 bored systq
34170 34670 0 0 3 0x40014200 bored softclock
14533 256347 0 0 3 0x40014200 idle0
87808 209537 0 0 3 0x14200 bored smr
1 315706 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 63351 (syz-executor.0) thread 0xffff800020abfb40 (479385)
exclusive rwlock netlock r = 0 (0xffffffff824e7f58)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 in_ioctl+0x142
#2 ifioctl+0xb64 sys/net/if.c:2202
#3 sys_ioctl+0x5b9
#4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82663928)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9457 6385K 6385K 78643K 10544 0 0
pcb 13 8K 8K 78643K 13 0 0
rtable 83 2K 2K 78643K 163 0 0
ifaddr 32 9K 9K 78643K 33 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1468 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1181 74K 74K 78643K 1186 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 1K 78643K 2 0 0
UFS mount 5 36K 36K 78643K 5 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 3 8K 12K 78643K 18 0 0
proc 59 63K 83K 78643K 384 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 22 1K 1K 78643K 22 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 18 79K 79K 78643K 18 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
exec 0 0K 1K 78643K 199 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 72 12K 12K 78643K 954 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 2 2K 2K 78643K 2 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 7 0K 0K 78643K 7 0 0
crypto data 1 1K 1K 78643K 1 0 0
temp 48 3538K 3602K 78643K 3336 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 4 0 0 1 0 1 1 0
Idle
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 17 0 15 1 0 1 1 0
8 0
rtentry 112 34 0 1 1 0 1 1 0
8 0
unpcb 120 30 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 1 0 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 34 0 27 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 10 0 1 1 0 1 1 0
8 0
pfstkey 112 10 0 1 1 0 1 1 0
8 0
pfstate 328 10 0 1 1 0 1 1 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 166 0 0 11 0 11 11 0
8 0
8 0
art_table 32 167 0 0 2 0 2 2 0
8 0
art_node 16 33 0 3 1 0 1 1 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1422 0 20 46 0 46 46 0
8 0
8 0
ffsino 272 1422 0 20 94 0 94 94 0
8 0
nchpl 144 1661 0 49 60 0 60 60 0
8 0
uvmvnodes 72 1432 0 0 27 0 27 27 0
8 0
vnodes 208 1432 0 0 76 0 76 76 0
8 0
namei 1024 4142 0 4142 2 1 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
scxspl 192 4233 0 4233 8 1 7 7 0
8 7
plimitpl 152 15 0 8 1 0 1 1 0
8 0
sigapl 432 226 0 212 2 0 2 2 0
8 0
knotepl 112 39 0 28 1 0 1 1 0
8 0
kqueuepl 104 2 0 0 1 0 1 1 0
8 0
pipepl 112 154 0 141 2 1 1 1 0
8 0
fdescpl 488 227 0 212 3 0 3 3 0
8 0
filepl 152 1122 0 1062 3 0 3 3 0
8 0
lockfpl 104 5 0 4 1 0 1 1 0
8 0
lockfspl 48 3 0 2 1 0 1 1 0
8 0
sessionpl 112 19 0 9 1 0 1 1 0
8 0
pgrppl 48 19 0 9 1 0 1 1 0
8 0
ucredpl 96 52 0 43 1 0 1 1 0
8 0
zombiepl 144 212 0 212 2 1 1 1 0
8 1
processpl 896 242 0 212 4 0 4 4 0
8 0
procpl 632 250 0 212 4 0 4 4 0
8 0
sockpl 384 81 0 61 2 0 2 2 0
8 0
mcl4k 4096 2 0 0 1 0 1 1 0
8 0
mcl2k 2048 72 0 0 9 0 9 9 0
8 0
mtagpl 80 1 0 0 1 0 1 1 0
8 0
mbufpl 256 92 0 0 6 0 6 6 0
8 0
bufpl 256 5885 0 1315 286 0 286 286 0
8 0
anonpl 16 22085 0 20516 15 2 13 13 0
124 6
amapchunkpl 152 851 0 789 5 0 5 5 0
158 2
amappl16 192 145 0 112 2 0 2 2 0
8 0
amappl14 176 22 0 20 2 1 1 1 0
8 0
amappl13 168 1 0 1 1 1 0 1 0
8 0
amappl12 160 9 0 8 1 0 1 1 0
8 0
amappl11 152 50 0 35 1 0 1 1 0
8 0
amappl10 144 8 0 6 1 0 1 1 0
8 0
amappl9 136 463 0 456 1 0 1 1 0
8 0
amappl8 128 133 0 122 1 0 1 1 0
8 0
amappl7 120 35 0 31 1 0 1 1 0
8 0
amappl6 112 76 0 68 1 0 1 1 0
8 0
amappl5 104 121 0 106 1 0 1 1 0
8 0
amappl4 96 496 0 471 1 0 1 1 0
8 0
amappl3 88 115 0 110 1 0 1 1 0
8 0
amappl2 80 957 0 894 3 0 3 3 0
8 1
amappl1 72 15300 0 14871 26 8 18 20 0
8 8
amappl 80 477 0 449 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
dma64 64 259 0 259 1 1 0 1 0
8 0
dma32 32 7 0 7 1 1 0 1 0
8 0
dma16 16 17 0 17 1 1 0 1 0
8 0
aobjpl 64 1 0 0 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
dma64 64 259 0 259 1 1 0 1 0
8 0
dma32 32 7 0 7 1 1 0 1 0
8 0
dma16 16 17 0 17 1 1 0 1 0
8 0
8 0
uaddrrnd 24 227 0 212 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 227 0 212 1 0 1 1 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
8 0
vmmpekpl 168 6418 0 6396 2 0 2 2 0
8 0
vmmpepl 168 32404 0 31458 92 12 80 80 0 357
38
vmsppl 368 226 0 212 2 0 2 2 0
8 0
pdppl 4096 461 0 424 6 0 6 6 0
8 1
pvpl 32 112367 0 108394 117 3 114 114 0 265
80
pmappl 232 226 0 212 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 426 0 4 13 0 13 13 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
8 0
ddb{0}>
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