uvm_fault: in_delmulti
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syzbot
Oct 23, 2019, 12:34:09 PM10/23/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: aaf7ae02 Provide hw.serialno using the root node's serial-..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=156a6fef600000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=7939d2c4bc9a5dfa707a
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+7939d2...@syzkaller.appspotmail.com
uvm_fault(0xffffffff8257b240, 0xffff8000227b5c2c, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff8257b240, 0xffff8000227b5c2c, 0, 1) -> e
in_delmulti(ffff8000227b5c20) at in_delmulti+0x8d sys/netinet/in.c:840
end trace frame: 0xffff800020b37880, count: 0
ddb{0}> trace
in_delmulti(ffff8000227b5c20) at in_delmulti+0x8d sys/netinet/in.c:840
in_purgeaddr(ffff800000a47e00) at in_purgeaddr+0x156 sys/netinet/in.c:686
in_ioctl_change_ifaddr(80206919,ffff800020b37a80,ffff800000af2000,1) at
in_ioctl_change_ifaddr+0x1a4 sys/netinet/in.c:475
in_ioctl(80206919,ffff800020b37a80,ffff800000af2000,1) at in_ioctl+0x205
sys/netinet/in.c:234
ifioctl(fffffd806f6d1600,80206919,ffff800020b37a80,ffff800020ab0018) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020ab0018,ffff800020b37b90,ffff800020b37be0) at
sys_ioctl+0x5b9
syscall(ffff800020b37c60) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b37c60) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,36,801169ab,36,7f7ffffdc6f8,b1fdcb63070) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdc660, count: -8
ddb{0}> show registers
rdi 0x2
rsi 0
rbp 0xffff800020b37830
rbx 0xffffff00
rdx 0xffff800020ab0018
rcx 0
rax 0
r8 0xffffffff81785e93 rt_ifa_purge+0x153
r9 0x5
r10 0x2f
r11 0xee8e85b771c7398e
r12 0
r13 0x3
r14 0xffff8000227b5c20
r15 0x1
rip 0xffffffff81f7a0ad in_delmulti+0x8d
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800020b377d0
ss 0x10
in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb{0}> show proc
PROC (ifconfig) pid=335309 stat=onproc
flags process=2<EXEC> proc=0
pri=52, usrpri=52, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab0c70,0xffffffff8264c6f8
process=0xffff800020adc000 user=0xffff800020b32000,
vmspace=0xfffffd807f00a170
estcpu=24, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*83284 335309 40483 0 7 0x2 ifconfig
40483 337344 7430 0 3 0x10008a pause sh
7430 183634 96424 0 3 0x82 wait syz-executor.1
99668 496503 0 0 3 0x14200 bored sosplice
58744 169360 96424 0 3 0x82 piperd syz-executor.0
96424 144730 85662 0 3 0x82 kqread syz-fuzzer
96424 263615 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 289906 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 154578 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 9967 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 37451 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 128343 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 177474 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 206031 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 61434 85662 0 3 0x4000082 thrsleep syz-fuzzer
85662 277117 45321 0 3 0x10008a pause ksh
45321 290180 30327 0 3 0x92 select sshd
42295 142144 1 0 3 0x100083 ttyin getty
30327 456959 1 0 3 0x80 select sshd
65586 512708 23089 74 3 0x100092 bpf pflogd
23089 180635 1 0 3 0x80 netio pflogd
18560 354579 27395 73 3 0x100090 kqread syslogd
27395 82748 1 0 3 0x100082 netio syslogd
29396 271280 1 77 3 0x100090 poll dhclient
15082 57667 1 0 3 0x80 poll dhclient
55003 453160 0 0 3 0x14200 pgzero zerothread
20340 44268 0 0 3 0x14200 aiodoned aiodoned
32282 224635 0 0 3 0x14200 syncer update
16106 519830 0 0 3 0x14200 cleaner cleaner
83073 77504 0 0 3 0x14200 reaper reaper
84359 330669 0 0 3 0x14200 pgdaemon pagedaemon
90864 149853 0 0 3 0x14200 bored crynlk
60937 113576 0 0 3 0x14200 bored crypto
54309 145208 0 0 3 0x40014200 acpi0 acpi0
57548 384071 0 0 3 0x40014200 idle1
21120 10325 0 0 3 0x14200 bored softnet
13481 336804 0 0 7 0x14200 systqmp
22835 497886 0 0 3 0x14200 bored systq
63735 46783 0 0 3 0x40014200 bored softclock
3807 133295 0 0 3 0x40014200 idle0
92420 521539 0 0 3 0x14200 bored smr
1 185783 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 83284 (ifconfig) thread 0xffff800020ab0018 (335309)
exclusive rwlock netlock r = 0 (0xffffffff824e8728)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 in_ioctl_change_ifaddr+0x3f
#2 in_ioctl+0x205 sys/netinet/in.c:234
#3 ifioctl+0xb64 sys/net/if.c:2202
#4 sys_ioctl+0x5b9
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8266bc58)
#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 9525 6410K 7179K 78643K 11541 0 0
pcb 13 8K 9K 78643K 89 0 0
rtable 74 11K 12K 78643K 463 0 0
ifaddr 59 12K 13K 78643K 126 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1485 0 0
iov 0 0K 16K 78643K 57 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1221 77K 77K 78643K 1530 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 11 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 12 0K 1K 78643K 131 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 350 0 0
sigio 0 0K 0K 78643K 66 0 0
proc 67 75K 95K 78643K 567 0 0
subproc 32 2K 2K 78643K 85 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 19 0 0
in_multi 12 0K 2K 78643K 69 0 0
ether_multi 1 0K 0K 78643K 7 0 0
mrt 0 0K 0K 78643K 4 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 72 318K 318K 78643K 72 0 0
exec 0 0K 1K 78643K 292 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 115 22K 23K 78643K 2142 0 0
UVM aobj 48 2K 2K 78643K 50 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 61 0 0
NDP 13 0K 0K 78643K 36 0 0
temp 176 3563K 3627K 78643K 6231 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 14 0 12 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 61 0 59 1 0 1 1 0
8 0
rtentry 112 84 0 60 2 0 2 2 0
8 0
unpcb 120 614 0 604 2 1 1 2 0
8 0
syncache 264 7 0 7 2 2 0 1 0
8 0
tcpqe 32 30 0 30 2 2 0 1 0
8 0
tcpcb 544 143 0 139 2 0 2 2 0
8 1
inpcb 280 599 0 591 4 2 2 3 0
8 1
rttmr 72 1 0 1 1 1 0 1 0
8 0
nd6 48 8 0 8 1 1 0 1 0
8 0
pkpcb 40 3 0 3 2 2 0 1 0
8 0
ppxss 1128 4 0 4 3 3 0 1 0
8 0
pffrag 232 11 0 11 1 1 0 1 0
482 0
pffrnode 88 11 0 11 1 1 0 1 0
8 0
pffrent 40 228 0 228 1 1 0 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 59 0 20 1 0 1 1 0
8 0
pfstkey 112 59 0 20 2 0 2 2 0
8 0
pfstate 328 59 0 16 4 0 4 4 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 256 347 0 218 14 4 10 14 0
8 0
art_table 32 348 0 218 2 0 2 2 0
8 0
art_node 16 81 0 57 1 0 1 1 0
8 0
sysvmsgpl 40 16 0 10 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 129 0 119 1 0 1 1 0
8 0
shmpl 112 48 0 2 2 0 2 2 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1891 0 487 46 0 46 46 0
8 0
ffsino 272 1891 0 487 95 1 94 95 0
8 0
nchpl 144 2644 0 1037 61 0 61 61 0
8 0
uvmvnodes 72 2175 0 0 40 0 40 40 0
8 0
vnodes 208 2175 0 0 115 0 115 115 0
8 0
namei 1024 7920 0 7920 1 0 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
scxspl 192 7537 0 7537 9 8 1 7 0
8 1
plimitpl 152 38 0 30 1 0 1 1 0
8 0
sigapl 432 541 0 525 3 1 2 3 0
8 0
futexpl 56 8942 0 8942 1 0 1 1 0
8 1
knotepl 112 149 0 128 1 0 1 1 0
8 0
kqueuepl 104 280 0 278 1 0 1 1 0
8 0
pipepl 112 476 0 457 3 1 2 2 0
8 1
fdescpl 488 542 0 525 3 0 3 3 0
8 0
filepl 152 4799 0 4698 8 2 6 7 0
8 2
lockfpl 104 85 0 84 1 0 1 1 0
8 0
lockfspl 48 31 0 30 1 0 1 1 0
8 0
sessionpl 112 21 0 10 1 0 1 1 0
8 0
pgrppl 48 25 0 14 1 0 1 1 0
8 0
ucredpl 96 511 0 502 1 0 1 1 0
8 0
zombiepl 144 525 0 525 1 0 1 1 0
8 1
processpl 896 558 0 525 4 0 4 4 0
8 0
procpl 632 1242 0 1200 5 0 5 5 0
8 1
srpgc 64 8 0 8 1 1 0 1 0
8 0
sosppl 128 12 0 12 2 2 0 1 0
8 0
sockpl 384 1296 0 1276 6 1 5 5 0
8 3
mcl64k 65536 8 0 0 1 0 1 1 0
8 0
mcl16k 16384 3 0 0 1 0 1 1 0
8 0
mcl12k 12288 5 0 0 1 0 1 1 0
8 0
mcl9k 9216 3 0 0 1 0 1 1 0
8 0
mcl8k 8192 6 0 0 1 0 1 1 0
8 0
mcl4k 4096 10 0 0 2 0 2 2 0
8 0
mcl2k2 2112 4 0 0 1 0 1 1 0
8 0
mcl2k 2048 250 0 0 31 0 31 31 0
8 0
mtagpl 80 18 0 0 1 0 1 1 0
8 0
mbufpl 256 261 0 0 16 0 16 16 0
8 0
bufpl 256 6968 0 1321 353 0 353 353 0
8 0
anonpl 16 75432 0 60893 93 10 83 92 0
124 5
amapchunkpl 152 3196 0 3048 8 2 6 7 0
158 0
amappl16 192 2878 0 1809 67 11 56 67 0
8 1
amappl14 176 81 0 79 1 0 1 1 0
8 0
amappl13 168 1 0 1 1 1 0 1 0
8 0
amappl12 160 13 0 10 2 1 1 1 0
8 0
amappl11 152 132 0 115 1 0 1 1 0
8 0
amappl10 144 51 0 45 1 0 1 1 0
8 0
amappl9 136 651 0 644 1 0 1 1 0
8 0
amappl8 128 218 0 183 2 0 2 2 0
8 0
amappl7 120 82 0 73 1 0 1 1 0
8 0
amappl6 112 158 0 142 1 0 1 1 0
8 0
amappl5 104 156 0 141 1 0 1 1 0
8 0
amappl4 96 756 0 726 1 0 1 1 0
8 0
amappl3 88 198 0 193 1 0 1 1 0
8 0
amappl2 80 3257 0 3192 3 1 2 3 0
8 0
amappl1 72 22090 0 21633 25 15 10 20 0
8 0
amappl 80 1549 0 1508 2 0 2 2 0
84 1
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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 49 0 2 1 0 1 1 0
8 0
uaddrrnd 24 542 0 525 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 542 0 525 1 0 1 1 0
8 0
vmmpekpl 168 8977 0 8946 2 0 2 2 0
8 0
vmmpepl 168 76747 0 74577 153 13 140 140 0 357
40
vmsppl 368 541 0 525 2 0 2 2 0
8 0
pdppl 4096 1091 0 1050 6 0 6 6 0
8 0
pvpl 32 233222 0 215473 214 8 206 214 0 265
24
pmappl 232 541 0 525 2 1 1 2 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 533 0 8 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: aaf7ae02 Provide hw.serialno using the root node's serial-..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=156a6fef600000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=7939d2c4bc9a5dfa707a
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+7939d2...@syzkaller.appspotmail.com
uvm_fault(0xffffffff8257b240, 0xffff8000227b5c2c, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff8257b240, 0xffff8000227b5c2c, 0, 1) -> e
in_delmulti(ffff8000227b5c20) at in_delmulti+0x8d sys/netinet/in.c:840
end trace frame: 0xffff800020b37880, count: 0
ddb{0}> trace
in_delmulti(ffff8000227b5c20) at in_delmulti+0x8d sys/netinet/in.c:840
in_purgeaddr(ffff800000a47e00) at in_purgeaddr+0x156 sys/netinet/in.c:686
in_ioctl_change_ifaddr(80206919,ffff800020b37a80,ffff800000af2000,1) at
in_ioctl_change_ifaddr+0x1a4 sys/netinet/in.c:475
in_ioctl(80206919,ffff800020b37a80,ffff800000af2000,1) at in_ioctl+0x205
sys/netinet/in.c:234
ifioctl(fffffd806f6d1600,80206919,ffff800020b37a80,ffff800020ab0018) at
ifioctl+0xb64 sys/net/if.c:2202
sys_ioctl(ffff800020ab0018,ffff800020b37b90,ffff800020b37be0) at
sys_ioctl+0x5b9
syscall(ffff800020b37c60) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020b37c60) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,36,801169ab,36,7f7ffffdc6f8,b1fdcb63070) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdc660, count: -8
ddb{0}> show registers
rdi 0x2
rsi 0
rbp 0xffff800020b37830
rbx 0xffffff00
rdx 0xffff800020ab0018
rcx 0
rax 0
r8 0xffffffff81785e93 rt_ifa_purge+0x153
r9 0x5
r10 0x2f
r11 0xee8e85b771c7398e
r12 0
r13 0x3
r14 0xffff8000227b5c20
r15 0x1
rip 0xffffffff81f7a0ad in_delmulti+0x8d
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800020b377d0
ss 0x10
in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb{0}> show proc
PROC (ifconfig) pid=335309 stat=onproc
flags process=2<EXEC> proc=0
pri=52, usrpri=52, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab0c70,0xffffffff8264c6f8
process=0xffff800020adc000 user=0xffff800020b32000,
vmspace=0xfffffd807f00a170
estcpu=24, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*83284 335309 40483 0 7 0x2 ifconfig
40483 337344 7430 0 3 0x10008a pause sh
7430 183634 96424 0 3 0x82 wait syz-executor.1
99668 496503 0 0 3 0x14200 bored sosplice
58744 169360 96424 0 3 0x82 piperd syz-executor.0
96424 144730 85662 0 3 0x82 kqread syz-fuzzer
96424 263615 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 289906 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 154578 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 9967 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 37451 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 128343 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 177474 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 206031 85662 0 3 0x4000082 thrsleep syz-fuzzer
96424 61434 85662 0 3 0x4000082 thrsleep syz-fuzzer
85662 277117 45321 0 3 0x10008a pause ksh
45321 290180 30327 0 3 0x92 select sshd
42295 142144 1 0 3 0x100083 ttyin getty
30327 456959 1 0 3 0x80 select sshd
65586 512708 23089 74 3 0x100092 bpf pflogd
23089 180635 1 0 3 0x80 netio pflogd
18560 354579 27395 73 3 0x100090 kqread syslogd
27395 82748 1 0 3 0x100082 netio syslogd
29396 271280 1 77 3 0x100090 poll dhclient
15082 57667 1 0 3 0x80 poll dhclient
55003 453160 0 0 3 0x14200 pgzero zerothread
20340 44268 0 0 3 0x14200 aiodoned aiodoned
32282 224635 0 0 3 0x14200 syncer update
16106 519830 0 0 3 0x14200 cleaner cleaner
83073 77504 0 0 3 0x14200 reaper reaper
84359 330669 0 0 3 0x14200 pgdaemon pagedaemon
90864 149853 0 0 3 0x14200 bored crynlk
60937 113576 0 0 3 0x14200 bored crypto
54309 145208 0 0 3 0x40014200 acpi0 acpi0
57548 384071 0 0 3 0x40014200 idle1
21120 10325 0 0 3 0x14200 bored softnet
13481 336804 0 0 7 0x14200 systqmp
22835 497886 0 0 3 0x14200 bored systq
63735 46783 0 0 3 0x40014200 bored softclock
3807 133295 0 0 3 0x40014200 idle0
92420 521539 0 0 3 0x14200 bored smr
1 185783 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 83284 (ifconfig) thread 0xffff800020ab0018 (335309)
exclusive rwlock netlock r = 0 (0xffffffff824e8728)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 in_ioctl_change_ifaddr+0x3f
#2 in_ioctl+0x205 sys/netinet/in.c:234
#3 ifioctl+0xb64 sys/net/if.c:2202
#4 sys_ioctl+0x5b9
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8266bc58)
#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 9525 6410K 7179K 78643K 11541 0 0
pcb 13 8K 9K 78643K 89 0 0
rtable 74 11K 12K 78643K 463 0 0
ifaddr 59 12K 13K 78643K 126 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1485 0 0
iov 0 0K 16K 78643K 57 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1221 77K 77K 78643K 1530 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 11 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 12 0K 1K 78643K 131 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 6 17K 25K 78643K 350 0 0
sigio 0 0K 0K 78643K 66 0 0
proc 67 75K 95K 78643K 567 0 0
subproc 32 2K 2K 78643K 85 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 19 0 0
in_multi 12 0K 2K 78643K 69 0 0
ether_multi 1 0K 0K 78643K 7 0 0
mrt 0 0K 0K 78643K 4 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 72 318K 318K 78643K 72 0 0
exec 0 0K 1K 78643K 292 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 115 22K 23K 78643K 2142 0 0
UVM aobj 48 2K 2K 78643K 50 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 61 0 0
NDP 13 0K 0K 78643K 36 0 0
temp 176 3563K 3627K 78643K 6231 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 14 0 12 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 61 0 59 1 0 1 1 0
8 0
rtentry 112 84 0 60 2 0 2 2 0
8 0
unpcb 120 614 0 604 2 1 1 2 0
8 0
syncache 264 7 0 7 2 2 0 1 0
8 0
tcpqe 32 30 0 30 2 2 0 1 0
8 0
tcpcb 544 143 0 139 2 0 2 2 0
8 1
inpcb 280 599 0 591 4 2 2 3 0
8 1
rttmr 72 1 0 1 1 1 0 1 0
8 0
nd6 48 8 0 8 1 1 0 1 0
8 0
pkpcb 40 3 0 3 2 2 0 1 0
8 0
ppxss 1128 4 0 4 3 3 0 1 0
8 0
pffrag 232 11 0 11 1 1 0 1 0
482 0
pffrnode 88 11 0 11 1 1 0 1 0
8 0
pffrent 40 228 0 228 1 1 0 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 59 0 20 1 0 1 1 0
8 0
pfstkey 112 59 0 20 2 0 2 2 0
8 0
pfstate 328 59 0 16 4 0 4 4 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 256 347 0 218 14 4 10 14 0
8 0
art_table 32 348 0 218 2 0 2 2 0
8 0
art_node 16 81 0 57 1 0 1 1 0
8 0
sysvmsgpl 40 16 0 10 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 129 0 119 1 0 1 1 0
8 0
shmpl 112 48 0 2 2 0 2 2 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1891 0 487 46 0 46 46 0
8 0
ffsino 272 1891 0 487 95 1 94 95 0
8 0
nchpl 144 2644 0 1037 61 0 61 61 0
8 0
uvmvnodes 72 2175 0 0 40 0 40 40 0
8 0
vnodes 208 2175 0 0 115 0 115 115 0
8 0
namei 1024 7920 0 7920 1 0 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
scxspl 192 7537 0 7537 9 8 1 7 0
8 1
plimitpl 152 38 0 30 1 0 1 1 0
8 0
sigapl 432 541 0 525 3 1 2 3 0
8 0
futexpl 56 8942 0 8942 1 0 1 1 0
8 1
knotepl 112 149 0 128 1 0 1 1 0
8 0
kqueuepl 104 280 0 278 1 0 1 1 0
8 0
pipepl 112 476 0 457 3 1 2 2 0
8 1
fdescpl 488 542 0 525 3 0 3 3 0
8 0
filepl 152 4799 0 4698 8 2 6 7 0
8 2
lockfpl 104 85 0 84 1 0 1 1 0
8 0
lockfspl 48 31 0 30 1 0 1 1 0
8 0
sessionpl 112 21 0 10 1 0 1 1 0
8 0
pgrppl 48 25 0 14 1 0 1 1 0
8 0
ucredpl 96 511 0 502 1 0 1 1 0
8 0
zombiepl 144 525 0 525 1 0 1 1 0
8 1
processpl 896 558 0 525 4 0 4 4 0
8 0
procpl 632 1242 0 1200 5 0 5 5 0
8 1
srpgc 64 8 0 8 1 1 0 1 0
8 0
sosppl 128 12 0 12 2 2 0 1 0
8 0
sockpl 384 1296 0 1276 6 1 5 5 0
8 3
mcl64k 65536 8 0 0 1 0 1 1 0
8 0
mcl16k 16384 3 0 0 1 0 1 1 0
8 0
mcl12k 12288 5 0 0 1 0 1 1 0
8 0
mcl9k 9216 3 0 0 1 0 1 1 0
8 0
mcl8k 8192 6 0 0 1 0 1 1 0
8 0
mcl4k 4096 10 0 0 2 0 2 2 0
8 0
mcl2k2 2112 4 0 0 1 0 1 1 0
8 0
mcl2k 2048 250 0 0 31 0 31 31 0
8 0
mtagpl 80 18 0 0 1 0 1 1 0
8 0
mbufpl 256 261 0 0 16 0 16 16 0
8 0
bufpl 256 6968 0 1321 353 0 353 353 0
8 0
anonpl 16 75432 0 60893 93 10 83 92 0
124 5
amapchunkpl 152 3196 0 3048 8 2 6 7 0
158 0
amappl16 192 2878 0 1809 67 11 56 67 0
8 1
amappl14 176 81 0 79 1 0 1 1 0
8 0
amappl13 168 1 0 1 1 1 0 1 0
8 0
amappl12 160 13 0 10 2 1 1 1 0
8 0
amappl11 152 132 0 115 1 0 1 1 0
8 0
amappl10 144 51 0 45 1 0 1 1 0
8 0
amappl9 136 651 0 644 1 0 1 1 0
8 0
amappl8 128 218 0 183 2 0 2 2 0
8 0
amappl7 120 82 0 73 1 0 1 1 0
8 0
amappl6 112 158 0 142 1 0 1 1 0
8 0
amappl5 104 156 0 141 1 0 1 1 0
8 0
amappl4 96 756 0 726 1 0 1 1 0
8 0
amappl3 88 198 0 193 1 0 1 1 0
8 0
amappl2 80 3257 0 3192 3 1 2 3 0
8 0
amappl1 72 22090 0 21633 25 15 10 20 0
8 0
amappl 80 1549 0 1508 2 0 2 2 0
84 1
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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 49 0 2 1 0 1 1 0
8 0
uaddrrnd 24 542 0 525 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 542 0 525 1 0 1 1 0
8 0
vmmpekpl 168 8977 0 8946 2 0 2 2 0
8 0
vmmpepl 168 76747 0 74577 153 13 140 140 0 357
40
vmsppl 368 541 0 525 2 0 2 2 0
8 0
pdppl 4096 1091 0 1050 6 0 6 6 0
8 0
pvpl 32 233222 0 215473 214 8 206 214 0 265
24
pmappl 232 541 0 525 2 1 1 2 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 533 0 8 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 13, 2019, 2:39:09 AM11/13/19
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following crash on:
HEAD commit: 16e245ae refactor the nc pool loop to not shut down the so..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14e78572e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=7939d2c4bc9a5dfa707a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145a5dc6e00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+7939d2...@syzkaller.appspotmail.com
uvm_fault(0xfffffd803f013440, 0x100c, 0, 1) -> e
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f013440, 0x100c, 0, 1) -> e
in_delmulti(1000) at in_delmulti+0x8d sys/netinet/in.c:894
end trace frame: 0xffff800014917de0, count: 0
ddb> trace
in_delmulti(1000) at in_delmulti+0x8d sys/netinet/in.c:894
in_purgeaddr(ffff8000006a0400) at in_purgeaddr+0x156 sys/netinet/in.c:740
in_ifdetach(ffff800000a61800) at in_ifdetach+0x74 sys/netinet/in.c:949
if_detach(ffff800000a61800) at if_detach+0x140 sys/net/if.c:1151
tun_clone_destroy(ffff800000a61800) at tun_clone_destroy+0x1c0
sys/net/if_tun.c:278
ifioctl(fffffd80363cb908,80206979,ffff800014917fb0,ffff8000ffff89e8) at
ifioctl+0x3de sys/net/if.c:1938
sys_ioctl(ffff8000ffff89e8,ffff8000149180c8,ffff800014918110) at
sys_ioctl+0x5b9
syscall(ffff800014918190) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9610, count: -9
ddb> show registers
rdi 0x2
rsi 0
rbp 0xffff800014917d90
rbx 0
rdx 0x3
rcx 0x1
rax 0x1
r8 0xffff8000006a0400
r9 0x5
r10 0x89fecbe5ea216933
r11 0x84e08e9fef079c9a
r12 0
r13 0x3
r14 0x1000 __ALIGN_SIZE
r15 0x1
rip 0xffffffff81ab945d in_delmulti+0x8d
PROC (syz-executor.0) pid=381473 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8280,0xffffffff825ab8a8
process=0xffff8000148a2018 user=0xffff800014913000,
vmspace=0xfffffd803f013440
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
83064 195115 90173 0 3 0x82 nanosleep syz-executor.0
90173 171357 17563 0 3 0x82 thrsleep syz-execprog
90173 104479 17563 0 3 0x4000082 nanosleep syz-execprog
90173 331842 17563 0 3 0x4000082 thrsleep syz-execprog
90173 338543 17563 0 3 0x4000082 thrsleep syz-execprog
90173 484631 17563 0 3 0x4000082 thrsleep syz-execprog
90173 268727 17563 0 3 0x4000082 kqread syz-execprog
90173 153612 17563 0 3 0x4000082 thrsleep syz-execprog
17563 39832 48480 0 3 0x10008a pause ksh
48480 31898 83219 0 3 0x92 select sshd
59756 397276 1 0 3 0x100083 ttyin getty
83219 18162 1 0 3 0x80 select sshd
12976 209971 72372 73 3 0x100090 kqread syslogd
72372 215618 1 0 3 0x100082 netio syslogd
19085 343572 1 77 2 0x100090 dhclient
7406 96304 1 0 3 0x80 poll dhclient
58396 244179 0 0 2 0x14200 zerothread
99252 462814 0 0 3 0x14200 aiodoned aiodoned
87418 91169 0 0 3 0x14200 syncer update
61434 52435 0 0 3 0x14200 cleaner cleaner
62712 369446 0 0 3 0x14200 reaper reaper
4315 405971 0 0 3 0x14200 pgdaemon pagedaemon
43516 280804 0 0 3 0x14200 bored crynlk
54862 139850 0 0 3 0x14200 bored crypto
32337 203997 0 0 3 0x40014200 acpi0 acpi0
955 491405 0 0 3 0x14200 bored softnet
43997 268204 0 0 2 0x14200 systqmp
65817 437791 0 0 3 0x14200 bored systq
61155 520140 0 0 3 0x40014200 bored softclock
67304 26981 0 0 3 0x40014200 idle0
55204 126436 0 0 3 0x14200 bored smr
1 345507 0 0 3 0x82 wait init
No such command
ddb> show malloc
pcb 13 8K 8K 78643K 13 0 0
rtable 75 2K 2K 78643K 153 0 0
ifaddr 32 8K 9K 78643K 33 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 14 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
file desc 3 8K 12K 78643K 18 0 0
proc 47 38K 54K 78643K 318 0 0
ether_multi 1 0K 0K 78643K 1 0 0
exec 0 0K 1K 78643K 171 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
temp 27 3517K 3581K 78643K 3028 0 0
8 0
rtpcb 80 17 0 15 1 0 1 1 0
8 0
rtentry 112 34 0 5 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 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 28 0 20 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
8 0
art_table 32 169 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 240 1412 0 19 82 0 82 82 0
8 0
nchpl 144 1651 0 50 60 0 60 60 0
8 0
uvmvnodes 72 1421 0 0 26 0 26 26 0
8 0
vnodes 208 1421 0 0 75 0 75 75 0
8 0
namei 1024 3835 0 3835 2 1 1 1 0
8 1
scxspl 192 4135 0 4135 9 8 1 6 0
8 1
plimitpl 152 14 0 8 1 0 1 1 0
8 0
sigapl 432 196 0 184 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 128 134 0 121 2 1 1 1 0
8 0
fdescpl 424 197 0 184 2 0 2 2 0
8 0
filepl 120 974 0 919 2 0 2 2 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 18 0 9 1 0 1 1 0
8 0
pgrppl 48 18 0 9 1 0 1 1 0
8 0
ucredpl 96 47 0 40 1 0 1 1 0
8 0
zombiepl 144 184 0 184 2 1 1 1 0
8 1
processpl 864 211 0 184 4 0 4 4 0
8 0
procpl 632 217 0 184 3 0 3 3 0
8 0
sockpl 384 72 0 54 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 1 1 1 0
8 1
mcl2k 2048 5485 0 5444 9 3 6 9 0
8 0
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 9473 0 9384 8 2 6 6 0
8 0
bufpl 256 5783 0 1323 279 0 279 279 0
8 0
anonpl 16 20093 0 18613 15 2 13 13 0
62 6
amapchunkpl 152 728 0 668 5 0 5 5 0
158 2
amappl16 192 131 0 103 2 0 2 2 0
8 0
amappl15 184 4 0 1 1 0 1 1 0
8 0
amappl14 176 44 0 39 1 0 1 1 0
8 0
amappl12 160 6 0 4 2 1 1 1 0
8 0
amappl11 152 48 0 37 1 0 1 1 0
8 0
amappl10 144 10 0 9 2 1 1 1 0
8 0
amappl9 136 398 0 396 1 0 1 1 0
8 0
amappl8 128 111 0 102 1 0 1 1 0
8 0
amappl7 120 30 0 27 1 0 1 1 0
8 0
amappl6 112 59 0 51 1 0 1 1 0
8 0
amappl5 104 125 0 116 1 0 1 1 0
8 0
amappl4 96 425 0 400 1 0 1 1 0
8 0
amappl3 88 118 0 111 1 0 1 1 0
8 0
amappl2 80 837 0 777 4 1 3 3 0
8 1
amappl1 72 13439 0 13043 27 10 17 20 0
8 8
amappl 80 418 0 392 1 0 1 1 0
84 0
8 0
uaddrrnd 24 197 0 184 1 0 1 1 0
8 0
vmmpekpl 168 6158 0 6143 1 0 1 1 0
8 0
vmmpepl 168 28693 0 27829 95 18 77 77 0 357
39
vmsppl 272 196 0 184 1 0 1 1 0
8 0
pdppl 4096 400 0 368 5 0 5 5 0
8 0
pvpl 32 103440 0 99647 120 7 113 113 0 265
81
pmappl 200 196 0 184 1 0 1 1 0
8 0
8 0
HEAD commit: 16e245ae refactor the nc pool loop to not shut down the so..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14e78572e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0fe83f82fe104d4
dashboard link: https://syzkaller.appspot.com/bug?extid=7939d2c4bc9a5dfa707a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145a5dc6e00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+7939d2...@syzkaller.appspotmail.com
kernel: page fault trap, code=0
Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb>
ddb> set $lines = 0
Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb>
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f013440, 0x100c, 0, 1) -> e
in_delmulti(1000) at in_delmulti+0x8d sys/netinet/in.c:894
end trace frame: 0xffff800014917de0, count: 0
ddb> trace
in_delmulti(1000) at in_delmulti+0x8d sys/netinet/in.c:894
in_purgeaddr(ffff8000006a0400) at in_purgeaddr+0x156 sys/netinet/in.c:740
in_ifdetach(ffff800000a61800) at in_ifdetach+0x74 sys/netinet/in.c:949
if_detach(ffff800000a61800) at if_detach+0x140 sys/net/if.c:1151
tun_clone_destroy(ffff800000a61800) at tun_clone_destroy+0x1c0
sys/net/if_tun.c:278
ifioctl(fffffd80363cb908,80206979,ffff800014917fb0,ffff8000ffff89e8) at
ifioctl+0x3de sys/net/if.c:1938
sys_ioctl(ffff8000ffff89e8,ffff8000149180c8,ffff800014918110) at
sys_ioctl+0x5b9
syscall(ffff800014918190) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc9610, count: -9
ddb> show registers
rdi 0x2
rsi 0
rbp 0xffff800014917d90
rbx 0
rdx 0x3
rcx 0x1
rax 0x1
r8 0xffff8000006a0400
r9 0x5
r10 0x89fecbe5ea216933
r11 0x84e08e9fef079c9a
r12 0
r13 0x3
r14 0x1000 __ALIGN_SIZE
r15 0x1
rip 0xffffffff81ab945d in_delmulti+0x8d
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800014917d30
rflags 0x10246 __ALIGN_SIZE+0xf246
ss 0x10
in_delmulti+0x8d: movl 0xc(%r14),%r15d
ddb> show proc
in_delmulti+0x8d: movl 0xc(%r14),%r15d
PROC (syz-executor.0) pid=381473 stat=onproc
flags process=0 proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8280,0xffffffff825ab8a8
process=0xffff8000148a2018 user=0xffff800014913000,
vmspace=0xfffffd803f013440
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 1005 381473 83064 0 7 0 syz-executor.0
83064 195115 90173 0 3 0x82 nanosleep syz-executor.0
90173 171357 17563 0 3 0x82 thrsleep syz-execprog
90173 104479 17563 0 3 0x4000082 nanosleep syz-execprog
90173 331842 17563 0 3 0x4000082 thrsleep syz-execprog
90173 338543 17563 0 3 0x4000082 thrsleep syz-execprog
90173 484631 17563 0 3 0x4000082 thrsleep syz-execprog
90173 268727 17563 0 3 0x4000082 kqread syz-execprog
90173 153612 17563 0 3 0x4000082 thrsleep syz-execprog
17563 39832 48480 0 3 0x10008a pause ksh
48480 31898 83219 0 3 0x92 select sshd
59756 397276 1 0 3 0x100083 ttyin getty
83219 18162 1 0 3 0x80 select sshd
12976 209971 72372 73 3 0x100090 kqread syslogd
72372 215618 1 0 3 0x100082 netio syslogd
19085 343572 1 77 2 0x100090 dhclient
7406 96304 1 0 3 0x80 poll dhclient
58396 244179 0 0 2 0x14200 zerothread
99252 462814 0 0 3 0x14200 aiodoned aiodoned
87418 91169 0 0 3 0x14200 syncer update
61434 52435 0 0 3 0x14200 cleaner cleaner
62712 369446 0 0 3 0x14200 reaper reaper
4315 405971 0 0 3 0x14200 pgdaemon pagedaemon
43516 280804 0 0 3 0x14200 bored crynlk
54862 139850 0 0 3 0x14200 bored crypto
32337 203997 0 0 3 0x40014200 acpi0 acpi0
955 491405 0 0 3 0x14200 bored softnet
43997 268204 0 0 2 0x14200 systqmp
65817 437791 0 0 3 0x14200 bored systq
61155 520140 0 0 3 0x40014200 bored softclock
67304 26981 0 0 3 0x40014200 idle0
55204 126436 0 0 3 0x14200 bored smr
1 345507 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 9427 6310K 6310K 78643K 10522 0 0
pcb 13 8K 8K 78643K 13 0 0
rtable 75 2K 2K 78643K 153 0 0
ifaddr 32 8K 9K 78643K 33 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 14 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1180 74K 74K 78643K 1185 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 0K 0K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12645 0 0
file desc 3 8K 12K 78643K 18 0 0
proc 47 38K 54K 78643K 318 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 25 1K 1K 78643K 26 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 171 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 66 11K 11K 78643K 838 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 6 0K 0K 78643K 6 0 0
crypto data 1 1K 1K 78643K 1 0 0
temp 27 3517K 3581K 78643K 3028 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 4 0 2 1 0 1 1 0
Idle
8 0
rtpcb 80 17 0 15 1 0 1 1 0
8 0
rtentry 112 34 0 5 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 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 28 0 20 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 168 0 0 11 0 11 11 0
8 0
8 0
art_table 32 169 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 1412 0 19 45 0 45 45 0
8 0
8 0
ffsino 240 1412 0 19 82 0 82 82 0
8 0
nchpl 144 1651 0 50 60 0 60 60 0
8 0
uvmvnodes 72 1421 0 0 26 0 26 26 0
8 0
vnodes 208 1421 0 0 75 0 75 75 0
8 0
namei 1024 3835 0 3835 2 1 1 1 0
8 1
scxspl 192 4135 0 4135 9 8 1 6 0
8 1
plimitpl 152 14 0 8 1 0 1 1 0
8 0
sigapl 432 196 0 184 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 128 134 0 121 2 1 1 1 0
8 0
fdescpl 424 197 0 184 2 0 2 2 0
8 0
filepl 120 974 0 919 2 0 2 2 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 18 0 9 1 0 1 1 0
8 0
pgrppl 48 18 0 9 1 0 1 1 0
8 0
ucredpl 96 47 0 40 1 0 1 1 0
8 0
zombiepl 144 184 0 184 2 1 1 1 0
8 1
processpl 864 211 0 184 4 0 4 4 0
8 0
procpl 632 217 0 184 3 0 3 3 0
8 0
sockpl 384 72 0 54 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 1 1 1 0
8 1
mcl2k 2048 5485 0 5444 9 3 6 9 0
8 0
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 9473 0 9384 8 2 6 6 0
8 0
bufpl 256 5783 0 1323 279 0 279 279 0
8 0
anonpl 16 20093 0 18613 15 2 13 13 0
62 6
amapchunkpl 152 728 0 668 5 0 5 5 0
158 2
amappl16 192 131 0 103 2 0 2 2 0
8 0
amappl15 184 4 0 1 1 0 1 1 0
8 0
amappl14 176 44 0 39 1 0 1 1 0
8 0
amappl12 160 6 0 4 2 1 1 1 0
8 0
amappl11 152 48 0 37 1 0 1 1 0
8 0
amappl10 144 10 0 9 2 1 1 1 0
8 0
amappl9 136 398 0 396 1 0 1 1 0
8 0
amappl8 128 111 0 102 1 0 1 1 0
8 0
amappl7 120 30 0 27 1 0 1 1 0
8 0
amappl6 112 59 0 51 1 0 1 1 0
8 0
amappl5 104 125 0 116 1 0 1 1 0
8 0
amappl4 96 425 0 400 1 0 1 1 0
8 0
amappl3 88 118 0 111 1 0 1 1 0
8 0
amappl2 80 837 0 777 4 1 3 3 0
8 1
amappl1 72 13439 0 13043 27 10 17 20 0
8 8
amappl 80 418 0 392 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 1 0 0 1 0 1 1 0
8 0
dma256 256 6 0 6 1 1 0 1 0
8 0
dma128 128 253 0 253 1 1 0 1 0
8 0
dma64 64 6 0 6 1 1 0 1 0
8 0
dma32 32 7 0 7 1 1 0 1 0
8 0
dma16 16 17 0 17 1 1 0 1 0
8 0
8 0
uaddrrnd 24 197 0 184 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 197 0 184 1 0 1 1 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
8 0
vmmpekpl 168 6158 0 6143 1 0 1 1 0
8 0
vmmpepl 168 28693 0 27829 95 18 77 77 0 357
39
vmsppl 272 196 0 184 1 0 1 1 0
8 0
pdppl 4096 400 0 368 5 0 5 5 0
8 0
pvpl 32 103440 0 99647 120 7 113 113 0 265
81
pmappl 200 196 0 184 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 406 0 9 12 0 12 12 0
8 0
8 0
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