kernel: integer divide fault trap, code=NUM
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syzbot
Dec 7, 2021, 8:58:30 AM12/7/21
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 78636d64e252 Respond to OSC 4 query.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17051badb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d1f00da48fa717e171f3
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d1f00d...@syzkaller.appspotmail.com
kernel: integer divide fault trap, code=0
Stopped at pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_get_transaddr(ffff800000ca8fd0,ffff8000296d7398,ffff8000296d7258,ffff8000296d7280) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
pf_test_rule(ffff8000296d7398,ffff8000296d7490,ffff8000296d74a0,ffff8000296d7480,ffff8000296d7470,3,a1c166364f83c54a) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,1,ffff800000ba0000,ffff8000296d7678) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_input_if(ffff8000296d7678,ffff8000296d7684,29,0,ffff800000ba0000) at ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
ipv6_input(ffff800000ba0000,fffffd8062484000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
ether_input(ffff800000ba0000,fffffd8062484000) at ether_input+0x584
tun_dev_write(5d01,ffff8000296d79e8,ffff800023c9e000,2) at tun_dev_write+0x204 sys/net/if_tun.c:874
spec_write(ffff8000296d7840) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8065a8d550,ffff8000296d79e8,11,fffffd807f7d76c0) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806eef5008,ffff8000296d79e8,0) at vn_write+0x151 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000296ba2a0,c8,ffff8000296d79e8,0,ffff8000296d7ad0) at dofilewritev+0x1a3 sys/kern/sys_generic.c:380
sys_write(ffff8000296ba2a0,ffff8000296d7a80,ffff8000296d7ad0) at sys_write+0x83 sys/kern/sys_generic.c:300
syscall(ffff8000296d7b50) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000296d7b50) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e5a39cf870, count: -14
ddb{0}> show registers
rdi 0xffff800023c9e000
rsi 0x137d __ALIGN_SIZE+0x37d
rbp 0xffff8000296d7200
rbx 0xf
rdx 0
rcx 0xffff __ALIGN_SIZE+0xefff
rax 0x1
r8 0xffffffff81d44a2d pf_insert_src_node+0x2dd
r9 0x1
r10 0x7d0b560047864d9d
r11 0xf0c4f75f7122bb03
r12 0x18
r13 0
r14 0xffff8000296d7398
r15 0xffff800000ca8fd0
rip 0xffffffff81715cdb pf_get_transaddr+0x27b
cs 0x8
rflags 0x10257 __ALIGN_SIZE+0xf257
rsp 0xffff8000296d7190
ss 0x10
pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}> show proc
PROC (syz-executor.1) pid=259477 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff8000296bafc0,0xffffffff828df2e0
process=0xffff8000ffff8438 user=0xffff8000296d2000, vmspace=0xfffffd806164b1a0
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2547 384164 28097 0 2 0x10 syz-executor.0
2547 436297 28097 0 3 0x4000090 fsleep syz-executor.0
18522 55294 36143 0 2 0 syz-executor.1
*18522 259477 36143 0 7 0x4000000 syz-executor.1
36143 296115 1211 0 2 0x2 syz-executor.1
28097 428284 1211 0 3 0x82 nanoslp syz-executor.0
2536 36321 1 0 3 0x100083 ttyopn getty
90728 238821 0 0 3 0x14200 acct acct
96338 493134 0 0 3 0x14280 nfsidl nfsio
84616 383615 0 0 3 0x14280 nfsidl nfsio
4235 450137 0 0 3 0x14280 nfsidl nfsio
8464 517847 0 0 3 0x14280 nfsidl nfsio
65764 358687 0 0 3 0x14280 nfsidl nfsio
74271 498095 0 0 3 0x14280 nfsidl nfsio
23857 370146 0 0 3 0x14280 nfsidl nfsio
38307 148093 0 0 3 0x14280 nfsidl nfsio
19708 217360 0 0 3 0x14280 nfsidl nfsio
74209 60830 0 0 3 0x14280 nfsidl nfsio
60409 290468 0 0 3 0x14280 nfsidl nfsio
60332 67164 0 0 3 0x14280 nfsidl nfsio
72588 280603 0 0 3 0x14280 nfsidl nfsio
43559 94375 0 0 3 0x14280 nfsidl nfsio
28095 347891 0 0 3 0x14280 nfsidl nfsio
82779 313105 0 0 3 0x14280 nfsidl nfsio
56865 337825 0 0 3 0x14280 nfsidl nfsio
5641 400627 0 0 3 0x14280 nfsidl nfsio
35682 388131 0 0 3 0x14280 nfsidl nfsio
52204 495015 0 0 3 0x14280 nfsidl nfsio
91697 413128 0 0 3 0x14200 bored sosplice
1211 271257 63702 0 3 0x82 thrsleep syz-fuzzer
1211 148477 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 183987 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 393425 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 18988 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 91695 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 31658 63702 0 3 0x4000082 kqread syz-fuzzer
1211 146001 63702 0 3 0x4000082 thrsleep syz-fuzzer
63702 445128 50413 0 3 0x10008a sigsusp ksh
50413 9851 63629 0 3 0x9a kqread sshd
63629 276677 1 0 3 0x88 kqread sshd
92119 237258 76022 74 3 0x100092 bpf pflogd
76022 183741 1 0 3 0x80 netio pflogd
28312 133298 96399 73 3 0x100090 kqread syslogd
96399 242579 1 0 3 0x100082 netio syslogd
99281 399249 1 0 3 0x100080 kqread resolvd
55537 478482 0 0 3 0x14200 bored smr
32588 294786 0 0 2 0x14200 zerothread
74626 170615 0 0 3 0x14200 aiodoned aiodoned
84411 412912 0 0 3 0x14200 syncer update
8090 398916 0 0 3 0x14200 cleaner cleaner
47247 437711 0 0 3 0x14200 reaper reaper
94746 187667 0 0 3 0x14200 pgdaemon pagedaemon
83686 191541 0 0 3 0x14200 bored viomb
29231 67073 0 0 3 0x40014200 acpi0 acpi0
67676 468429 0 0 7 0x40014200 idle1
85024 208437 0 0 3 0x14200 bored softnet
48058 370834 0 0 3 0x14200 bored systqmp
77306 44435 0 0 3 0x14200 bored systq
18301 294309 0 0 3 0x40014200 bored softclock
53598 333389 0 0 3 0x40014200 idle0
1 496971 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 18522 (syz-executor.1) thread 0xffff8000296ba2a0 (259477)
exclusive rwlock pf_lock r = 0 (0xffffffff8279a5a0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pf_test+0x1e06
#2 ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
#3 ipv6_input+0x48 sys/netinet6/ip6_input.c:171
#4 ether_input+0x584
#5 tun_dev_write+0x204 sys/net/if_tun.c:874
#6 spec_write+0xd4 sys/kern/spec_vnops.c:309
#7 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#8 vn_write+0x151 sys/kern/vfs_vnops.c:414
#9 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#10 sys_write+0x83 sys/kern/sys_generic.c:300
#11 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#12 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff8282d820)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 tun_dev_write+0x1f9 sys/net/if_tun.c:873
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#4 vn_write+0x151 sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#6 sys_write+0x83 sys/kern/sys_generic.c:300
#7 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0358)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 vn_write+0x42 sys/kern/vfs_vnops.c:399
#2 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#3 sys_write+0x83 sys/kern/sys_generic.c:300
#4 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#4 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#5 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10131 6452K 7151K 78643K 15251 0
pcb 13 8K 8K 78643K 1366 0
rtable 167 28K 28K 78643K 2633 0
ifaddr 73 21K 22K 78643K 954 0
sysctl 3 1K 2K 78643K 11 0
counters 44 34K 34K 78643K 350 0
ioctlops 0 0K 4K 78643K 2740 0
iov 0 0K 24K 78643K 628 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1253 79K 79K 78643K 4060 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 87 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 1K 78643K 1207 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 6 17K 25K 78643K 9992 0
sigio 0 0K 0K 78643K 86 0
proc 66 63K 111K 78643K 1637 0
subproc 66 4K 4K 78643K 1100 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1072 0
in_multi 30 2K 2K 78643K 1679 0
ether_multi 1 0K 0K 78643K 396 0
mrt 1 0K 0K 78643K 31 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 109 493K 493K 78643K 109 0
exec 0 0K 2K 78643K 1684 0
pfkey data 0 0K 0K 78643K 6 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 447 863K 863K 78643K 127370 0
UVM aobj 131 8K 8K 78643K 154 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 1K 78643K 2066 0
NDP 9 0K 0K 78643K 286 0
temp 93 4212K 8308K 78643K 139385 0
kqueue 6 10K 28K 78643K 598 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 498 0 497 1 0 1 1 0 8 0
rtentry 112 745 0 710 3 1 2 2 0 8 0
unpcb 128 15208 0 15200 26 25 1 2 0 8 0
syncache 296 15 0 15 6 6 0 1 0 8 0
tcpqe 32 4 0 4 4 4 0 1 0 8 0
tcpcb 736 4767 0 4759 28 26 2 5 0 8 1
arp 120 94 0 88 1 0 1 1 0 8 0
inpcb 304 10904 0 10900 14 12 2 3 0 8 1
nd6 48 180 0 174 2 1 1 1 0 8 0
pkpcb 40 40 0 40 10 10 0 1 0 8 0
kcovpl 48 33 0 31 1 0 1 1 0 8 0
ppxss 1248 35 0 35 21 21 0 1 0 8 0
pfstscr 40 1 0 1 1 1 0 1 0 8 0
pffrag 232 71 0 71 5 5 0 1 0 482 0
pffrnode 88 71 0 71 5 5 0 1 0 8 0
pffrent 40 1589 0 1589 6 6 0 1 0 8 0
pfosfp 40 1430 0 1006 5 0 5 5 0 8 0
pfosfpen 112 1430 0 714 21 0 21 21 0 8 0
pfrktable 1344 253 0 222 8 5 3 3 0 8 0
pfpktdelay 88 29 0 29 1 1 0 1 0 8 0
pftag 88 21 0 12 1 0 1 1 0 8 0
pfqueue 264 20 0 16 7 6 1 1 0 8 0
pfstitem 24 93 0 91 1 0 1 1 0 8 0
pfstkey 112 99 0 97 1 0 1 1 0 8 0
pfstate 320 98 0 96 4 3 1 3 0 8 0
pfsrctr 152 1 0 0 1 0 1 1 0 8 0
pfrule 1360 620 0 489 11 0 11 11 0 8 0
art_heap8 4096 9 0 8 5 4 1 3 0 8 0
art_heap4 256 4234 0 4081 54 42 12 14 0 8 1
art_table 32 4243 0 4089 5 3 2 2 0 8 0
art_node 16 741 0 712 1 0 1 1 0 8 0
sysvmsgpl 40 53 0 34 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 1201 0 1191 1 0 1 1 0 8 0
shmpl 112 151 0 23 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 13700 0 12272 92 2 90 90 0 8 0
ffsino 272 13700 0 12272 96 0 96 96 0 8 0
nchpl 144 27803 0 27347 61 42 19 61 0 8 0
uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 82903 0 82903 7 6 1 1 0 8 1
percpumem 16 187 0 153 1 0 1 1 0 8 0
vcpupl 2048 85 0 2 11 0 11 11 0 8 0
vmpool 560 114 0 31 6 0 6 6 0 8 0
pfiaddrpl 120 93 0 45 3 1 2 2 0 8 0
scsiplug 72 4 0 4 4 4 0 1 0 8 0
scxspl 216 83656 0 83656 43 42 1 8 0 8 1
plimitpl 152 513 0 505 1 0 1 1 0 8 0
sigapl 424 10184 0 10132 7 0 7 7 0 8 0
futexpl 64 131888 0 131887 6 5 1 1 0 8 0
knotepl 112 228 0 0 3 0 3 3 0 8 0
kqueuepl 216 1714 0 1705 2 1 1 2 0 8 0
pipepl 336 1275 0 1265 15 13 2 2 0 8 1
fdescpl 496 10148 0 10132 3 0 3 3 0 8 0
filepl 152 64394 0 64266 32 26 6 8 0 8 1
lockfpl 104 1975 0 1974 1 0 1 1 0 8 0
lockfspl 48 579 0 578 1 0 1 1 0 8 0
sessionpl 144 51 0 41 1 0 1 1 0 8 0
pgrppl 48 81 0 71 1 0 1 1 0 8 0
ucredpl 96 6987 0 6975 1 0 1 1 0 8 0
zombiepl 144 10132 0 10132 2 1 1 1 0 8 1
processpl 1072 10184 0 10132 4 0 4 4 0 8 0
procpl 672 27347 0 27286 7 1 6 6 0 8 0
srpgc 96 16 0 16 7 7 0 1 0 8 0
sosppl 168 79 0 79 32 32 0 1 0 8 0
sockpl 480 26675 0 26662 54 50 4 8 0 8 1
mcl64k 65536 25 0 0 3 0 3 3 0 8 0
mcl16k 16384 23 0 0 3 1 2 3 0 8 0
mcl12k 12288 27 0 0 2 0 2 2 0 8 0
mcl9k 9216 28 0 0 2 0 2 2 0 8 0
mcl8k 8192 23 0 0 3 0 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 10 0 0 1 0 1 1 0 8 0
mcl2k 2048 310 0 0 24 1 23 24 0 8 0
mtagpl 96 35 0 0 1 0 1 1 0 8 0
mbufpl 256 1128 0 0 36 0 36 36 0 8 0
bufpl 280 23054 0 16725 453 0 453 453 0 8 0
anonpl 24 2942224 0 2927902 286 178 108 130 0 186 0
amapchunkpl 152 315336 0 314726 154 127 27 40 0 158 0
amappl16 200 25604 0 25026 189 158 31 43 0 8 0
amappl15 192 1721 0 1716 1 0 1 1 0 8 0
amappl14 184 715 0 713 3 2 1 1 0 8 0
amappl13 176 1653 0 1651 1 0 1 1 0 8 0
amappl12 168 1168 0 1162 1 0 1 1 0 8 0
amappl11 160 403 0 390 1 0 1 1 0 8 0
amappl10 152 773 0 768 1 0 1 1 0 8 0
amappl9 144 2399 0 2398 1 0 1 1 0 8 0
amappl8 136 2752 0 2644 5 1 4 4 0 8 0
amappl7 128 1781 0 1772 1 0 1 1 0 8 0
amappl6 120 2333 0 2318 1 0 1 1 0 8 0
amappl5 112 9517 0 9497 1 0 1 1 0 8 0
amappl4 104 1762 0 1731 1 0 1 1 0 8 0
amappl3 96 2083 0 2066 1 0 1 1 0 8 0
amappl2 88 12984 0 12931 3 1 2 2 0 8 0
amappl1 80 177236 0 176823 13 3 10 13 0 8 0
amappl 88 126209 0 125976 7 1 6 6 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 153 0 23 3 0 3 3 0 8 0
uaddrrnd 24 10262 0 10163 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 10262 0 10163 1 0 1 1 0 8 0
vmmpekpl 168 72117 0 72073 3 0 3 3 0 8 0
vmmpepl 168 933948 0 931911 437 319 118 118 0 357 23
vmsppl 368 10261 0 10163 10 1 9 9 0 8 0
rwobjpl 56 222418 0 220986 64 43 21 24 0 8 0
pdppl 4096 20532 0 20409 185 61 124 124 0 8 1
pvpl 32 5030344 0 5012700 437 265 172 205 0 265 0
pmappl 224 10261 0 10163 6 0 6 6 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 592 0 159 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_get_transaddr(ffff800000ca8fd0,ffff8000296d7398,ffff8000296d7258,ffff8000296d7280) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
pf_test_rule(ffff8000296d7398,ffff8000296d7490,ffff8000296d74a0,ffff8000296d7480,ffff8000296d7470,3,a1c166364f83c54a) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,1,ffff800000ba0000,ffff8000296d7678) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_input_if(ffff8000296d7678,ffff8000296d7684,29,0,ffff800000ba0000) at ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
ipv6_input(ffff800000ba0000,fffffd8062484000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
ether_input(ffff800000ba0000,fffffd8062484000) at ether_input+0x584
tun_dev_write(5d01,ffff8000296d79e8,ffff800023c9e000,2) at tun_dev_write+0x204 sys/net/if_tun.c:874
spec_write(ffff8000296d7840) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8065a8d550,ffff8000296d79e8,11,fffffd807f7d76c0) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806eef5008,ffff8000296d79e8,0) at vn_write+0x151 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000296ba2a0,c8,ffff8000296d79e8,0,ffff8000296d7ad0) at dofilewritev+0x1a3 sys/kern/sys_generic.c:380
sys_write(ffff8000296ba2a0,ffff8000296d7a80,ffff8000296d7ad0) at sys_write+0x83 sys/kern/sys_generic.c:300
syscall(ffff8000296d7b50) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000296d7b50) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e5a39cf870, count: -14
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
---
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syzbot found the following issue on:
HEAD commit: 78636d64e252 Respond to OSC 4 query.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17051badb00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d1f00da48fa717e171f3
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d1f00d...@syzkaller.appspotmail.com
kernel: integer divide fault trap, code=0
Stopped at pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_get_transaddr(ffff800000ca8fd0,ffff8000296d7398,ffff8000296d7258,ffff8000296d7280) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
pf_test_rule(ffff8000296d7398,ffff8000296d7490,ffff8000296d74a0,ffff8000296d7480,ffff8000296d7470,3,a1c166364f83c54a) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,1,ffff800000ba0000,ffff8000296d7678) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_input_if(ffff8000296d7678,ffff8000296d7684,29,0,ffff800000ba0000) at ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
ipv6_input(ffff800000ba0000,fffffd8062484000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
ether_input(ffff800000ba0000,fffffd8062484000) at ether_input+0x584
tun_dev_write(5d01,ffff8000296d79e8,ffff800023c9e000,2) at tun_dev_write+0x204 sys/net/if_tun.c:874
spec_write(ffff8000296d7840) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8065a8d550,ffff8000296d79e8,11,fffffd807f7d76c0) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806eef5008,ffff8000296d79e8,0) at vn_write+0x151 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000296ba2a0,c8,ffff8000296d79e8,0,ffff8000296d7ad0) at dofilewritev+0x1a3 sys/kern/sys_generic.c:380
sys_write(ffff8000296ba2a0,ffff8000296d7a80,ffff8000296d7ad0) at sys_write+0x83 sys/kern/sys_generic.c:300
syscall(ffff8000296d7b50) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000296d7b50) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e5a39cf870, count: -14
ddb{0}> show registers
rdi 0xffff800023c9e000
rsi 0x137d __ALIGN_SIZE+0x37d
rbp 0xffff8000296d7200
rbx 0xf
rdx 0
rcx 0xffff __ALIGN_SIZE+0xefff
rax 0x1
r8 0xffffffff81d44a2d pf_insert_src_node+0x2dd
r9 0x1
r10 0x7d0b560047864d9d
r11 0xf0c4f75f7122bb03
r12 0x18
r13 0
r14 0xffff8000296d7398
r15 0xffff800000ca8fd0
rip 0xffffffff81715cdb pf_get_transaddr+0x27b
cs 0x8
rflags 0x10257 __ALIGN_SIZE+0xf257
rsp 0xffff8000296d7190
ss 0x10
pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}> show proc
PROC (syz-executor.1) pid=259477 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff8000296bafc0,0xffffffff828df2e0
process=0xffff8000ffff8438 user=0xffff8000296d2000, vmspace=0xfffffd806164b1a0
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
2547 384164 28097 0 2 0x10 syz-executor.0
2547 436297 28097 0 3 0x4000090 fsleep syz-executor.0
18522 55294 36143 0 2 0 syz-executor.1
*18522 259477 36143 0 7 0x4000000 syz-executor.1
36143 296115 1211 0 2 0x2 syz-executor.1
28097 428284 1211 0 3 0x82 nanoslp syz-executor.0
2536 36321 1 0 3 0x100083 ttyopn getty
90728 238821 0 0 3 0x14200 acct acct
96338 493134 0 0 3 0x14280 nfsidl nfsio
84616 383615 0 0 3 0x14280 nfsidl nfsio
4235 450137 0 0 3 0x14280 nfsidl nfsio
8464 517847 0 0 3 0x14280 nfsidl nfsio
65764 358687 0 0 3 0x14280 nfsidl nfsio
74271 498095 0 0 3 0x14280 nfsidl nfsio
23857 370146 0 0 3 0x14280 nfsidl nfsio
38307 148093 0 0 3 0x14280 nfsidl nfsio
19708 217360 0 0 3 0x14280 nfsidl nfsio
74209 60830 0 0 3 0x14280 nfsidl nfsio
60409 290468 0 0 3 0x14280 nfsidl nfsio
60332 67164 0 0 3 0x14280 nfsidl nfsio
72588 280603 0 0 3 0x14280 nfsidl nfsio
43559 94375 0 0 3 0x14280 nfsidl nfsio
28095 347891 0 0 3 0x14280 nfsidl nfsio
82779 313105 0 0 3 0x14280 nfsidl nfsio
56865 337825 0 0 3 0x14280 nfsidl nfsio
5641 400627 0 0 3 0x14280 nfsidl nfsio
35682 388131 0 0 3 0x14280 nfsidl nfsio
52204 495015 0 0 3 0x14280 nfsidl nfsio
91697 413128 0 0 3 0x14200 bored sosplice
1211 271257 63702 0 3 0x82 thrsleep syz-fuzzer
1211 148477 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 183987 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 393425 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 18988 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 91695 63702 0 3 0x4000082 thrsleep syz-fuzzer
1211 31658 63702 0 3 0x4000082 kqread syz-fuzzer
1211 146001 63702 0 3 0x4000082 thrsleep syz-fuzzer
63702 445128 50413 0 3 0x10008a sigsusp ksh
50413 9851 63629 0 3 0x9a kqread sshd
63629 276677 1 0 3 0x88 kqread sshd
92119 237258 76022 74 3 0x100092 bpf pflogd
76022 183741 1 0 3 0x80 netio pflogd
28312 133298 96399 73 3 0x100090 kqread syslogd
96399 242579 1 0 3 0x100082 netio syslogd
99281 399249 1 0 3 0x100080 kqread resolvd
55537 478482 0 0 3 0x14200 bored smr
32588 294786 0 0 2 0x14200 zerothread
74626 170615 0 0 3 0x14200 aiodoned aiodoned
84411 412912 0 0 3 0x14200 syncer update
8090 398916 0 0 3 0x14200 cleaner cleaner
47247 437711 0 0 3 0x14200 reaper reaper
94746 187667 0 0 3 0x14200 pgdaemon pagedaemon
83686 191541 0 0 3 0x14200 bored viomb
29231 67073 0 0 3 0x40014200 acpi0 acpi0
67676 468429 0 0 7 0x40014200 idle1
85024 208437 0 0 3 0x14200 bored softnet
48058 370834 0 0 3 0x14200 bored systqmp
77306 44435 0 0 3 0x14200 bored systq
18301 294309 0 0 3 0x40014200 bored softclock
53598 333389 0 0 3 0x40014200 idle0
1 496971 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 18522 (syz-executor.1) thread 0xffff8000296ba2a0 (259477)
exclusive rwlock pf_lock r = 0 (0xffffffff8279a5a0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pf_test+0x1e06
#2 ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
#3 ipv6_input+0x48 sys/netinet6/ip6_input.c:171
#4 ether_input+0x584
#5 tun_dev_write+0x204 sys/net/if_tun.c:874
#6 spec_write+0xd4 sys/kern/spec_vnops.c:309
#7 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#8 vn_write+0x151 sys/kern/vfs_vnops.c:414
#9 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#10 sys_write+0x83 sys/kern/sys_generic.c:300
#11 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#12 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff8282d820)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 tun_dev_write+0x1f9 sys/net/if_tun.c:873
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#4 vn_write+0x151 sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#6 sys_write+0x83 sys/kern/sys_generic.c:300
#7 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0358)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 vn_write+0x42 sys/kern/vfs_vnops.c:399
#2 dofilewritev+0x1a3 sys/kern/sys_generic.c:380
#3 sys_write+0x83 sys/kern/sys_generic.c:300
#4 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#4 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
#5 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10131 6452K 7151K 78643K 15251 0
pcb 13 8K 8K 78643K 1366 0
rtable 167 28K 28K 78643K 2633 0
ifaddr 73 21K 22K 78643K 954 0
sysctl 3 1K 2K 78643K 11 0
counters 44 34K 34K 78643K 350 0
ioctlops 0 0K 4K 78643K 2740 0
iov 0 0K 24K 78643K 628 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1253 79K 79K 78643K 4060 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 87 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 1K 78643K 1207 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 6 17K 25K 78643K 9992 0
sigio 0 0K 0K 78643K 86 0
proc 66 63K 111K 78643K 1637 0
subproc 66 4K 4K 78643K 1100 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1072 0
in_multi 30 2K 2K 78643K 1679 0
ether_multi 1 0K 0K 78643K 396 0
mrt 1 0K 0K 78643K 31 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 109 493K 493K 78643K 109 0
exec 0 0K 2K 78643K 1684 0
pfkey data 0 0K 0K 78643K 6 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 447 863K 863K 78643K 127370 0
UVM aobj 131 8K 8K 78643K 154 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 1K 78643K 2066 0
NDP 9 0K 0K 78643K 286 0
temp 93 4212K 8308K 78643K 139385 0
kqueue 6 10K 28K 78643K 598 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 498 0 497 1 0 1 1 0 8 0
rtentry 112 745 0 710 3 1 2 2 0 8 0
unpcb 128 15208 0 15200 26 25 1 2 0 8 0
syncache 296 15 0 15 6 6 0 1 0 8 0
tcpqe 32 4 0 4 4 4 0 1 0 8 0
tcpcb 736 4767 0 4759 28 26 2 5 0 8 1
arp 120 94 0 88 1 0 1 1 0 8 0
inpcb 304 10904 0 10900 14 12 2 3 0 8 1
nd6 48 180 0 174 2 1 1 1 0 8 0
pkpcb 40 40 0 40 10 10 0 1 0 8 0
kcovpl 48 33 0 31 1 0 1 1 0 8 0
ppxss 1248 35 0 35 21 21 0 1 0 8 0
pfstscr 40 1 0 1 1 1 0 1 0 8 0
pffrag 232 71 0 71 5 5 0 1 0 482 0
pffrnode 88 71 0 71 5 5 0 1 0 8 0
pffrent 40 1589 0 1589 6 6 0 1 0 8 0
pfosfp 40 1430 0 1006 5 0 5 5 0 8 0
pfosfpen 112 1430 0 714 21 0 21 21 0 8 0
pfrktable 1344 253 0 222 8 5 3 3 0 8 0
pfpktdelay 88 29 0 29 1 1 0 1 0 8 0
pftag 88 21 0 12 1 0 1 1 0 8 0
pfqueue 264 20 0 16 7 6 1 1 0 8 0
pfstitem 24 93 0 91 1 0 1 1 0 8 0
pfstkey 112 99 0 97 1 0 1 1 0 8 0
pfstate 320 98 0 96 4 3 1 3 0 8 0
pfsrctr 152 1 0 0 1 0 1 1 0 8 0
pfrule 1360 620 0 489 11 0 11 11 0 8 0
art_heap8 4096 9 0 8 5 4 1 3 0 8 0
art_heap4 256 4234 0 4081 54 42 12 14 0 8 1
art_table 32 4243 0 4089 5 3 2 2 0 8 0
art_node 16 741 0 712 1 0 1 1 0 8 0
sysvmsgpl 40 53 0 34 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 1201 0 1191 1 0 1 1 0 8 0
shmpl 112 151 0 23 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 13700 0 12272 92 2 90 90 0 8 0
ffsino 272 13700 0 12272 96 0 96 96 0 8 0
nchpl 144 27803 0 27347 61 42 19 61 0 8 0
uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 82903 0 82903 7 6 1 1 0 8 1
percpumem 16 187 0 153 1 0 1 1 0 8 0
vcpupl 2048 85 0 2 11 0 11 11 0 8 0
vmpool 560 114 0 31 6 0 6 6 0 8 0
pfiaddrpl 120 93 0 45 3 1 2 2 0 8 0
scsiplug 72 4 0 4 4 4 0 1 0 8 0
scxspl 216 83656 0 83656 43 42 1 8 0 8 1
plimitpl 152 513 0 505 1 0 1 1 0 8 0
sigapl 424 10184 0 10132 7 0 7 7 0 8 0
futexpl 64 131888 0 131887 6 5 1 1 0 8 0
knotepl 112 228 0 0 3 0 3 3 0 8 0
kqueuepl 216 1714 0 1705 2 1 1 2 0 8 0
pipepl 336 1275 0 1265 15 13 2 2 0 8 1
fdescpl 496 10148 0 10132 3 0 3 3 0 8 0
filepl 152 64394 0 64266 32 26 6 8 0 8 1
lockfpl 104 1975 0 1974 1 0 1 1 0 8 0
lockfspl 48 579 0 578 1 0 1 1 0 8 0
sessionpl 144 51 0 41 1 0 1 1 0 8 0
pgrppl 48 81 0 71 1 0 1 1 0 8 0
ucredpl 96 6987 0 6975 1 0 1 1 0 8 0
zombiepl 144 10132 0 10132 2 1 1 1 0 8 1
processpl 1072 10184 0 10132 4 0 4 4 0 8 0
procpl 672 27347 0 27286 7 1 6 6 0 8 0
srpgc 96 16 0 16 7 7 0 1 0 8 0
sosppl 168 79 0 79 32 32 0 1 0 8 0
sockpl 480 26675 0 26662 54 50 4 8 0 8 1
mcl64k 65536 25 0 0 3 0 3 3 0 8 0
mcl16k 16384 23 0 0 3 1 2 3 0 8 0
mcl12k 12288 27 0 0 2 0 2 2 0 8 0
mcl9k 9216 28 0 0 2 0 2 2 0 8 0
mcl8k 8192 23 0 0 3 0 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 10 0 0 1 0 1 1 0 8 0
mcl2k 2048 310 0 0 24 1 23 24 0 8 0
mtagpl 96 35 0 0 1 0 1 1 0 8 0
mbufpl 256 1128 0 0 36 0 36 36 0 8 0
bufpl 280 23054 0 16725 453 0 453 453 0 8 0
anonpl 24 2942224 0 2927902 286 178 108 130 0 186 0
amapchunkpl 152 315336 0 314726 154 127 27 40 0 158 0
amappl16 200 25604 0 25026 189 158 31 43 0 8 0
amappl15 192 1721 0 1716 1 0 1 1 0 8 0
amappl14 184 715 0 713 3 2 1 1 0 8 0
amappl13 176 1653 0 1651 1 0 1 1 0 8 0
amappl12 168 1168 0 1162 1 0 1 1 0 8 0
amappl11 160 403 0 390 1 0 1 1 0 8 0
amappl10 152 773 0 768 1 0 1 1 0 8 0
amappl9 144 2399 0 2398 1 0 1 1 0 8 0
amappl8 136 2752 0 2644 5 1 4 4 0 8 0
amappl7 128 1781 0 1772 1 0 1 1 0 8 0
amappl6 120 2333 0 2318 1 0 1 1 0 8 0
amappl5 112 9517 0 9497 1 0 1 1 0 8 0
amappl4 104 1762 0 1731 1 0 1 1 0 8 0
amappl3 96 2083 0 2066 1 0 1 1 0 8 0
amappl2 88 12984 0 12931 3 1 2 2 0 8 0
amappl1 80 177236 0 176823 13 3 10 13 0 8 0
amappl 88 126209 0 125976 7 1 6 6 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 153 0 23 3 0 3 3 0 8 0
uaddrrnd 24 10262 0 10163 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 10262 0 10163 1 0 1 1 0 8 0
vmmpekpl 168 72117 0 72073 3 0 3 3 0 8 0
vmmpepl 168 933948 0 931911 437 319 118 118 0 357 23
vmsppl 368 10261 0 10163 10 1 9 9 0 8 0
rwobjpl 56 222418 0 220986 64 43 21 24 0 8 0
pdppl 4096 20532 0 20409 185 61 124 124 0 8 1
pvpl 32 5030344 0 5012700 437 265 172 205 0 265 0
pmappl 224 10261 0 10163 6 0 6 6 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 592 0 159 13 0 13 13 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_get_transaddr(ffff800000ca8fd0,ffff8000296d7398,ffff8000296d7258,ffff8000296d7280) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
pf_test_rule(ffff8000296d7398,ffff8000296d7490,ffff8000296d74a0,ffff8000296d7480,ffff8000296d7470,3,a1c166364f83c54a) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,1,ffff800000ba0000,ffff8000296d7678) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_input_if(ffff8000296d7678,ffff8000296d7684,29,0,ffff800000ba0000) at ip6_input_if+0x2db sys/netinet6/ip6_input.c:318
ipv6_input(ffff800000ba0000,fffffd8062484000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
ether_input(ffff800000ba0000,fffffd8062484000) at ether_input+0x584
tun_dev_write(5d01,ffff8000296d79e8,ffff800023c9e000,2) at tun_dev_write+0x204 sys/net/if_tun.c:874
spec_write(ffff8000296d7840) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8065a8d550,ffff8000296d79e8,11,fffffd807f7d76c0) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806eef5008,ffff8000296d79e8,0) at vn_write+0x151 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000296ba2a0,c8,ffff8000296d79e8,0,ffff8000296d7ad0) at dofilewritev+0x1a3 sys/kern/sys_generic.c:380
sys_write(ffff8000296ba2a0,ffff8000296d7a80,ffff8000296d7ad0) at sys_write+0x83 sys/kern/sys_generic.c:300
syscall(ffff8000296d7b50) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000296d7b50) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4e5a39cf870, count: -14
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Dec 7, 2021, 10:05:27 AM12/7/21
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 78636d64e252 Respond to OSC 4 query.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17491d89b00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d1f00d...@syzkaller.appspotmail.com
login: kernel: integer divide fault trap, code=0
pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634
mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288
timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678
softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802
end trace frame: 0x0, count: -9
rbp 0xffff800021155880
r11 0xfa79390790db3dd6
r12 0x18
r13 0
r14 0xffff800021155a18
r15 0xffff800000b59558
flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
pri=0, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800021149a40,0xffff800021148d30
process=0xffff8000ffffd4f0 user=0xffff800021150000, vmspace=0xffffffff828e31b8
estcpu=0, cpticks=0, pctcpu=0.0
72689 312980 86762 0 3 0x82 thrsleep syz-execprog
72689 303340 86762 0 3 0x4000082 thrsleep syz-execprog
72689 219398 86762 0 3 0x4000082 thrsleep syz-execprog
72689 464134 86762 0 3 0x4000082 thrsleep syz-execprog
72689 342484 86762 0 3 0x4000082 kqread syz-execprog
72689 235830 86762 0 3 0x4000082 thrsleep syz-execprog
72689 69086 86762 0 3 0x4000082 thrsleep syz-execprog
72689 22423 86762 0 3 0x4000082 thrsleep syz-execprog
86762 268274 12150 0 3 0x10008a sigsusp ksh
12150 44003 96667 0 3 0x9a kqread sshd
81783 445576 1 0 3 0x100083 ttyin getty
96667 157736 1 0 3 0x88 kqread sshd
44167 448141 89673 74 3 0x100092 bpf pflogd
89673 22511 1 0 3 0x80 netio pflogd
78676 4050 93346 73 3 0x100090 kqread syslogd
93346 103730 1 0 3 0x100082 netio syslogd
97344 45909 1 0 3 0x100080 kqread resolvd
48611 522837 58623 77 3 0x100092 kqread dhcpleased
22671 371344 58623 77 3 0x100092 kqread dhcpleased
58623 54935 1 0 3 0x80 kqread dhcpleased
1266 44170 0 0 3 0x14200 bored smr
24610 316394 0 0 3 0x14200 pgzero zerothread
15978 109190 0 0 3 0x14200 aiodoned aiodoned
66890 416674 0 0 3 0x14200 syncer update
51090 245533 0 0 3 0x14200 cleaner cleaner
46612 66706 0 0 3 0x14200 reaper reaper
12380 411483 0 0 3 0x14200 pgdaemon pagedaemon
57982 285799 0 0 3 0x14200 bored viomb
15713 358974 0 0 3 0x40014200 acpi0 acpi0
51797 73732 0 0 7 0x40014200 idle1
83200 391135 0 0 3 0x14200 bored softnet
28856 313139 0 0 3 0x14200 bored systqmp
54831 520124 0 0 3 0x14200 bored systq
* 7576 365751 0 0 7 0x40014200 softclock
59917 78952 0 0 3 0x40014200 idle0
1 397282 0 0 3 0x82 wait init
#3 mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
#4 mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
#4 mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
#5 pffasttimo+0x10b sys/kern/uipc_domain.c:288
#6 timeout_run+0xcc sys/kern/kern_timeout.c:678
#7 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#8 proc_trampoline+0x1c
#2 pffasttimo+0x10b sys/kern/uipc_domain.c:288
#3 timeout_run+0xcc sys/kern/kern_timeout.c:678
#4 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#5 proc_trampoline+0x1c
shared rwlock timeout r = 0 (0xffffffff82822bf0)
#2 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#3 proc_trampoline+0x1c
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433
#4 softclock_thread+0xd9 sys/kern/kern_timeout.c:797
#5 proc_trampoline+0x1c
pcb 13 8K 8K 78643K 13 0
rtable 89 4K 4K 78643K 149 0
ifaddr 39 10K 10K 78643K 40 0
counters 42 33K 33K 78643K 42 0
ioctlops 0 0K 4K 78643K 1550 0
vnodes 1183 74K 75K 78643K 1188 0
proc 67 87K 99K 78643K 306 0
ether_multi 1 0K 0K 78643K 1 0
exec 0 0K 2K 78643K 390 0
UVM aobj 3 2K 2K 78643K 3 0
temp 29 4183K 4247K 78643K 2350 0
kqueue 12 18K 18K 78643K 21 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 128 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 120 4 0 0 1 0 1 1 0 8 0
inpcb 304 36 0 30 1 0 1 1 0 8 0
nd6 48 3 0 0 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 3 0 1 1 0 1 1 0 8 0
pfstitem 24 10 0 0 1 0 1 1 0 8 0
pfstkey 112 10 0 0 1 0 1 1 0 8 0
pfstate 320 10 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 143 0 0 9 0 9 9 0 8 0
art_table 32 144 0 0 2 0 2 2 0 8 0
art_node 16 33 0 3 1 0 1 1 0 8 0
ffsino 272 1482 0 75 94 0 94 94 0 8 0
nchpl 144 1751 0 139 60 0 60 60 0 8 0
uvmvnodes 72 1492 0 0 28 0 28 28 0 8 0
vnodes 224 1492 0 0 88 0 88 88 0 8 0
namei 1024 4858 0 4858 2 1 1 1 0 8 1
percpumem 16 33 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 23 0 0 1 0 1 1 0 8 0
scxspl 216 5192 0 5192 9 1 8 8 0 8 8
plimitpl 152 17 0 9 1 0 1 1 0 8 0
sigapl 424 321 0 291 4 0 4 4 0 8 0
futexpl 64 1033 0 1033 1 0 1 1 0 8 1
knotepl 112 51 0 0 2 0 2 2 0 8 0
kqueuepl 216 17 0 9 1 0 1 1 0 8 0
pipepl 336 83 0 76 2 1 1 1 0 8 0
fdescpl 496 307 0 291 3 0 3 3 0 8 0
filepl 152 1440 0 1370 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 19 0 9 1 0 1 1 0 8 0
pgrppl 48 19 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 291 0 290 2 1 1 1 0 8 0
processpl 1072 321 0 290 3 0 3 3 0 8 0
procpl 672 483 0 445 4 0 4 4 0 8 0
sockpl 480 184 0 160 5 1 4 4 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 72 0 0 9 0 9 9 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 127 0 0 8 0 8 8 0 8 0
bufpl 280 3458 0 164 236 0 236 236 0 8 0
anonpl 24 53594 0 49795 36 4 32 32 0 186 8
amapchunkpl 152 5664 0 5359 15 1 14 14 0 158 2
amappl16 200 208 0 158 4 1 3 3 0 8 0
amappl15 192 77 0 72 1 0 1 1 0 8 0
amappl14 184 3 0 2 1 0 1 1 0 8 0
amappl13 176 80 0 76 2 1 1 1 0 8 0
amappl12 168 10 0 10 1 1 0 1 0 8 0
amappl11 160 76 0 58 1 0 1 1 0 8 0
amappl10 152 12 0 10 1 0 1 1 0 8 0
amappl9 144 235 0 232 1 0 1 1 0 8 0
amappl8 136 314 0 293 1 0 1 1 0 8 0
amappl7 128 47 0 42 1 0 1 1 0 8 0
amappl6 120 54 0 48 1 0 1 1 0 8 0
amappl5 112 214 0 194 1 0 1 1 0 8 0
amappl4 104 575 0 552 1 0 1 1 0 8 0
amappl3 96 227 0 209 1 0 1 1 0 8 0
amappl2 88 449 0 409 2 0 2 2 0 8 1
amappl1 80 9121 0 8697 13 0 13 13 0 8 3
amappl 88 2405 0 2308 3 0 3 3 0 92 0
uaddrrnd 24 307 0 291 1 0 1 1 0 8 0
vmmpekpl 168 7458 0 7441 1 0 1 1 0 8 0
vmmpepl 168 30101 0 29012 65 1 64 64 0 357 15
vmsppl 368 306 0 291 2 0 2 2 0 8 0
rwobjpl 56 9037 0 8320 15 1 14 14 0 8 3
pdppl 4096 622 0 582 64 18 46 46 0 8 6
pvpl 32 178082 0 171489 134 0 134 134 0 265 79
pmappl 224 306 0 291 2 0 2 2 0 8 0
pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634
mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288
timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678
softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802
end trace frame: 0x0, count: -9
HEAD commit: 78636d64e252 Respond to OSC 4 query.
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d1f00da48fa717e171f3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148784bdb00000
dashboard link: https://syzkaller.appspot.com/bug?extid=d1f00da48fa717e171f3
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d1f00d...@syzkaller.appspotmail.com
Stopped at pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_get_transaddr(ffff800000b59558,ffff800021155a18,ffff8000211558d8,ffff800021155900) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634
mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288
timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678
softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802
end trace frame: 0x0, count: -9
ddb{0}> show registers
rdi 0
rsi 0xfffe __ALIGN_SIZE+0xeffe
rdi 0
rbp 0xffff800021155880
rbx 0xf
rdx 0
rcx 0xffff __ALIGN_SIZE+0xefff
rax 0x82
rdx 0
rcx 0xffff __ALIGN_SIZE+0xefff
r8 0xffffffff81d44a2d pf_insert_src_node+0x2dd
r9 0x1
r10 0x6b40ae5be759c4b6
r9 0x1
r11 0xfa79390790db3dd6
r12 0x18
r13 0
r14 0xffff800021155a18
r15 0xffff800000b59558
rip 0xffffffff81715cdb pf_get_transaddr+0x27b
cs 0x8
rflags 0x10257 __ALIGN_SIZE+0xf257
rsp 0xffff800021155810
cs 0x8
rflags 0x10257 __ALIGN_SIZE+0xf257
ss 0x10
pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}> show proc
PROC (softclock) pid=365751 stat=onproc
pf_get_transaddr+0x27b: idivl %r13d,%eax
ddb{0}> show proc
flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
pri=0, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800021149a40,0xffff800021148d30
process=0xffff8000ffffd4f0 user=0xffff800021150000, vmspace=0xffffffff828e31b8
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
44211 197414 72689 0 2 0x482 syz-executor.0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
72689 312980 86762 0 3 0x82 thrsleep syz-execprog
72689 303340 86762 0 3 0x4000082 thrsleep syz-execprog
72689 219398 86762 0 3 0x4000082 thrsleep syz-execprog
72689 464134 86762 0 3 0x4000082 thrsleep syz-execprog
72689 342484 86762 0 3 0x4000082 kqread syz-execprog
72689 235830 86762 0 3 0x4000082 thrsleep syz-execprog
72689 69086 86762 0 3 0x4000082 thrsleep syz-execprog
72689 22423 86762 0 3 0x4000082 thrsleep syz-execprog
86762 268274 12150 0 3 0x10008a sigsusp ksh
12150 44003 96667 0 3 0x9a kqread sshd
81783 445576 1 0 3 0x100083 ttyin getty
96667 157736 1 0 3 0x88 kqread sshd
44167 448141 89673 74 3 0x100092 bpf pflogd
89673 22511 1 0 3 0x80 netio pflogd
78676 4050 93346 73 3 0x100090 kqread syslogd
93346 103730 1 0 3 0x100082 netio syslogd
97344 45909 1 0 3 0x100080 kqread resolvd
48611 522837 58623 77 3 0x100092 kqread dhcpleased
22671 371344 58623 77 3 0x100092 kqread dhcpleased
58623 54935 1 0 3 0x80 kqread dhcpleased
1266 44170 0 0 3 0x14200 bored smr
24610 316394 0 0 3 0x14200 pgzero zerothread
15978 109190 0 0 3 0x14200 aiodoned aiodoned
66890 416674 0 0 3 0x14200 syncer update
51090 245533 0 0 3 0x14200 cleaner cleaner
46612 66706 0 0 3 0x14200 reaper reaper
12380 411483 0 0 3 0x14200 pgdaemon pagedaemon
57982 285799 0 0 3 0x14200 bored viomb
15713 358974 0 0 3 0x40014200 acpi0 acpi0
51797 73732 0 0 7 0x40014200 idle1
83200 391135 0 0 3 0x14200 bored softnet
28856 313139 0 0 3 0x14200 bored systqmp
54831 520124 0 0 3 0x14200 bored systq
* 7576 365751 0 0 7 0x40014200 softclock
59917 78952 0 0 3 0x40014200 idle0
1 397282 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 7576 (softclock) thread 0xffff800021149500 (365751)
ddb{0}> show all locks
exclusive rwlock pf_lock r = 0 (0xffffffff8279a5a0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pf_test+0x1e06
#2 ip6_output+0x14d1 sys/netinet6/ip6_output.c:634
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pf_test+0x1e06
#3 mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
#4 mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
#4 mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
#5 pffasttimo+0x10b sys/kern/uipc_domain.c:288
#6 timeout_run+0xcc sys/kern/kern_timeout.c:678
#7 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#8 proc_trampoline+0x1c
exclusive rwlock netlock r = 0 (0xffffffff8282d820)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 mld6_fasttimeo+0x1d sys/netinet6/mld6.c:336
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#2 pffasttimo+0x10b sys/kern/uipc_domain.c:288
#3 timeout_run+0xcc sys/kern/kern_timeout.c:678
#4 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#5 proc_trampoline+0x1c
shared rwlock timeout r = 0 (0xffffffff82822bf0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 timeout_run+0xb7 sys/kern/kern_timeout.c:674
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#2 softclock_thread+0x134 sys/kern/kern_timeout.c:802
#3 proc_trampoline+0x1c
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b0358)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 __mp_acquire_count+0x4c sys/kern/kern_lock.c:227
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433
#4 softclock_thread+0xd9 sys/kern/kern_timeout.c:797
#5 proc_trampoline+0x1c
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10112 6417K 6417K 78643K 11202 0
Type InUse MemUse HighUse Limit Requests Type Lim
pcb 13 8K 8K 78643K 13 0
rtable 89 4K 4K 78643K 149 0
ifaddr 39 10K 10K 78643K 40 0
counters 42 33K 33K 78643K 42 0
ioctlops 0 0K 4K 78643K 1550 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1183 74K 75K 78643K 1188 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
UFS mount 5 36K 36K 78643K 5 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 2 4K 12K 78643K 64 0
ACPI 1697 195K 286K 78643K 12598 0
proc 67 87K 99K 78643K 306 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 22 1K 1K 78643K 22 0
NFS daemon 1 16K 16K 78643K 1 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
MSDOSFS mount 1 16K 16K 78643K 1 0
exec 0 0K 2K 78643K 390 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 130 15K 15K 78643K 2694 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 5 0K 0K 78643K 7 0
crypto data 1 1K 1K 78643K 1 0
temp 29 4183K 4247K 78643K 2350 0
kqueue 12 18K 18K 78643K 21 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 113 0 110 1 0 1 1 0 8 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 128 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 120 4 0 0 1 0 1 1 0 8 0
inpcb 304 36 0 30 1 0 1 1 0 8 0
nd6 48 3 0 0 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 3 0 1 1 0 1 1 0 8 0
pfstitem 24 10 0 0 1 0 1 1 0 8 0
pfstkey 112 10 0 0 1 0 1 1 0 8 0
pfstate 320 10 0 0 1 0 1 1 0 8 0
pfsrctr 152 1 0 0 1 0 1 1 0 8 0
pfrule 1360 91 0 63 4 1 3 3 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 143 0 0 9 0 9 9 0 8 0
art_table 32 144 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
dino2pl 256 1482 0 75 88 0 88 88 0 8 0
ffsino 272 1482 0 75 94 0 94 94 0 8 0
nchpl 144 1751 0 139 60 0 60 60 0 8 0
uvmvnodes 72 1492 0 0 28 0 28 28 0 8 0
vnodes 224 1492 0 0 88 0 88 88 0 8 0
namei 1024 4858 0 4858 2 1 1 1 0 8 1
percpumem 16 33 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 23 0 0 1 0 1 1 0 8 0
scxspl 216 5192 0 5192 9 1 8 8 0 8 8
plimitpl 152 17 0 9 1 0 1 1 0 8 0
sigapl 424 321 0 291 4 0 4 4 0 8 0
futexpl 64 1033 0 1033 1 0 1 1 0 8 1
knotepl 112 51 0 0 2 0 2 2 0 8 0
kqueuepl 216 17 0 9 1 0 1 1 0 8 0
pipepl 336 83 0 76 2 1 1 1 0 8 0
fdescpl 496 307 0 291 3 0 3 3 0 8 0
filepl 152 1440 0 1370 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 19 0 9 1 0 1 1 0 8 0
pgrppl 48 19 0 9 1 0 1 1 0 8 0
ucredpl 96 69 0 57 1 0 1 1 0 8 0
zombiepl 144 291 0 290 2 1 1 1 0 8 0
processpl 1072 321 0 290 3 0 3 3 0 8 0
procpl 672 483 0 445 4 0 4 4 0 8 0
sockpl 480 184 0 160 5 1 4 4 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 72 0 0 9 0 9 9 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 127 0 0 8 0 8 8 0 8 0
bufpl 280 3458 0 164 236 0 236 236 0 8 0
anonpl 24 53594 0 49795 36 4 32 32 0 186 8
amapchunkpl 152 5664 0 5359 15 1 14 14 0 158 2
amappl16 200 208 0 158 4 1 3 3 0 8 0
amappl15 192 77 0 72 1 0 1 1 0 8 0
amappl14 184 3 0 2 1 0 1 1 0 8 0
amappl13 176 80 0 76 2 1 1 1 0 8 0
amappl12 168 10 0 10 1 1 0 1 0 8 0
amappl11 160 76 0 58 1 0 1 1 0 8 0
amappl10 152 12 0 10 1 0 1 1 0 8 0
amappl9 144 235 0 232 1 0 1 1 0 8 0
amappl8 136 314 0 293 1 0 1 1 0 8 0
amappl7 128 47 0 42 1 0 1 1 0 8 0
amappl6 120 54 0 48 1 0 1 1 0 8 0
amappl5 112 214 0 194 1 0 1 1 0 8 0
amappl4 104 575 0 552 1 0 1 1 0 8 0
amappl3 96 227 0 209 1 0 1 1 0 8 0
amappl2 88 449 0 409 2 0 2 2 0 8 1
amappl1 80 9121 0 8697 13 0 13 13 0 8 3
amappl 88 2405 0 2308 3 0 3 3 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 2 0 0 1 0 1 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
uaddrrnd 24 307 0 291 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 307 0 291 1 0 1 1 0 8 0
vmmpekpl 168 7458 0 7441 1 0 1 1 0 8 0
vmmpepl 168 30101 0 29012 65 1 64 64 0 357 15
vmsppl 368 306 0 291 2 0 2 2 0 8 0
rwobjpl 56 9037 0 8320 15 1 14 14 0 8 3
pdppl 4096 622 0 582 64 18 46 46 0 8 6
pvpl 32 178082 0 171489 134 0 134 134 0 265 79
pmappl 224 306 0 291 2 0 2 2 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 292 0 23 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_get_transaddr(ffff800000b59558,ffff800021155a18,ffff8000211558d8,ffff800021155900) at pf_get_transaddr+0x27b sys/net/pf_lb.c:711
Invalid cpu 0
ddb{0}> trace
pf_test_rule(ffff800021155a18,ffff800021155b10,ffff800021155b20,ffff800021155b00,ffff800021155af0,3,5295164399910481) at pf_test_rule+0x4a0 sys/net/pf.c:3891
pf_test(18,2,ffff800000b39800,ffff800021155c98) at pf_test+0x1e30 sys/net/pf.c:7064
ip6_output(fffffd806d206600,ffffffff82839220,0,0,ffff800021155d28,0) at ip6_output+0x14d1 sys/netinet6/ip6_output.c:634
mld6_sendpkt(ffff800000b17300,83,0) at mld6_sendpkt+0x2c2 sys/netinet6/mld6.c:465
mld6_fasttimeo() at mld6_fasttimeo+0x152 mld6_checktimer sys/netinet6/mld6.c:363 [inline]
mld6_fasttimeo() at mld6_fasttimeo+0x152 sys/netinet6/mld6.c:341
pffasttimo(ffffffff828add28) at pffasttimo+0x10b sys/kern/uipc_domain.c:288
timeout_run(ffffffff828add28) at timeout_run+0xcc sys/kern/kern_timeout.c:678
softclock_thread(ffff800021149500) at softclock_thread+0x134 sys/kern/kern_timeout.c:802
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
ddb{1}>
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178
end trace frame: 0x0, count: -5
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