panic: malformed IPv4 option passed to ip_optcopy (3)
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syzbot
Mar 4, 2024, 5:13:18 AMMar 4
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: a782303f51d4 white space fixes. no functional change
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12ab7bba180000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=b1ba3a2a8ef13e5b4698
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7a46ba34f10f/disk-a782303f.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/fa4416e4719b/bsd-a782303f.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f05bcb3f6b77/kernel-a782303f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b1ba3a...@syzkaller.appspotmail.com
panic: malformed IPv4 option passed to ip_optcopy
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*442013 73039 0 0 0x4000000 0 syz-executor.4
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: 5
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
*cpu0: malformed IPv4 option passed to ip_optcopy
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000377bad60
rbx 0x24
rdx 0xffff800000dc2380
rcx 0
rax 0xffff80002a61c808
r8 0
r9 0x8080808080808080
r10 0x70d179625182b98
r11 0xfe31ea711ca74288
r12 0
r13 0x82
r14 0
r15 0x1
rip 0xffffffff818496ac db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff8000377bad50
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.4) tid=442013 pid=73039 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a61c560,0xffff80002a6a2010
process=0xffff8000ffff5500 user=0xffff8000377b6000, vmspace=0xfffffd80698d79b0
estcpu=34, cpticks=0, pctcpu=0.19, user=0, sys=19, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42477 69500 50424 0 2 0 syz-executor.0
42477 229896 50424 0 2 0x4000000 syz-executor.0
20949 404781 26013 0 2 0 syz-executor.1
20949 278404 26013 0 3 0x4000080 fsleep syz-executor.1
55847 201716 17079 0 2 0 syz-executor.2
55847 312325 17079 0 3 0x4000080 fsleep syz-executor.2
20401 220306 27658 0 2 0 syz-executor.6
20401 74773 27658 0 3 0x4000080 netcon2 syz-executor.6
20401 184047 27658 0 3 0x4000080 fsleep syz-executor.6
73039 386403 71907 0 2 0 syz-executor.4
*73039 442013 71907 0 7 0x4000000 syz-executor.4
27658 502679 54391 0 2 0x482 syz-executor.6
95680 199969 54391 0 2 0x482 syz-executor.5
17079 125140 54391 0 2 0x482 syz-executor.2
71907 333918 54391 0 2 0x482 syz-executor.4
26013 71878 54391 0 2 0x482 syz-executor.1
50424 344362 54391 0 2 0x482 syz-executor.0
31337 95790 54391 0 2 0x2 syz-executor.3
82936 182770 0 0 3 0x14200 acct acct
96582 179307 1 0 3 0x100083 ttyin getty
45000 148766 0 0 3 0x14200 bored sosplice
54391 223126 64376 0 2 0x2000002 syz-fuzzer
54391 429750 64376 0 2 0x6000482 syz-fuzzer
54391 313821 64376 0 3 0x6000082 wait syz-fuzzer
54391 231198 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 116117 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 433083 64376 0 3 0x6000082 wait syz-fuzzer
54391 136421 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 374762 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 64140 64376 0 3 0x6000082 wait syz-fuzzer
54391 200721 64376 0 3 0x6000082 wait syz-fuzzer
54391 162013 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 2063 64376 0 3 0x6000082 wait syz-fuzzer
54391 107499 64376 0 3 0x6000082 wait syz-fuzzer
54391 301541 64376 0 3 0x6000082 wait syz-fuzzer
64376 152494 27851 0 3 0x10008a sigsusp ksh
27851 316624 54549 0 3 0x9a kqread sshd
54549 3484 1 0 3 0x88 kqread sshd
65689 261508 10537 73 2 0x1100090 syslogd
10537 226083 1 0 3 0x100082 netio syslogd
71366 131729 1 0 3 0x100080 kqread resolvd
79385 430735 89284 77 3 0x100092 kqread dhcpleased
94941 111631 89284 77 3 0x100092 kqread dhcpleased
89284 54514 1 0 3 0x80 kqread dhcpleased
68057 516704 0 0 2 0x14200 smr
88377 86719 0 0 2 0x14200 zerothread
60779 46474 0 0 3 0x14200 aiodoned aiodoned
69431 63014 0 0 3 0x14200 syncer update
11930 49880 0 0 3 0x14200 cleaner cleaner
18009 158041 0 0 3 0x14200 reaper reaper
25070 509494 0 0 3 0x14200 pgdaemon pagedaemon
85490 82402 0 0 3 0x14200 bored viomb
7554 181355 0 0 3 0x40014200 acpi0 acpi0
60681 164064 0 0 3 0x14200 bored softnet3
46973 340431 0 0 3 0x14200 bored softnet2
31425 280366 0 0 3 0x14200 bored softnet1
92908 26516 0 0 2 0x14200 softnet0
87668 463099 0 0 3 0x14200 bored systqmp
7033 342687 0 0 3 0x14200 bored systq
13247 88159 0 0 2 0x40014200 softclock
78987 93939 0 0 3 0x40014200 idle0
1 109254 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10204 6482K 7085K 166960K 16354 0
pcb 15 20K 23K 166960K 470 0
rtable 221 15K 15K 166960K 1146 0
pf 31 9K 9K 166960K 148 0
ifaddr 45 12K 14K 166960K 169 0
ifgroup 54 2K 2K 166960K 243 0
sysctl 2 0K 0K 166960K 2 0
counters 31 17K 17K 166960K 85 0
ioctlops 0 0K 2K 166960K 366 0
iov 0 0K 18K 166960K 273 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1387 87K 87K 166960K 3747 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 55 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 365 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 15 53K 77K 166960K 3631 0
sigio 0 0K 0K 166960K 98 0
proc 57 59K 83K 166960K 1090 0
subproc 91 5K 6K 166960K 351 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 401 0
in_multi 88 6K 7K 166960K 346 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 217 970K 970K 166960K 217 0
exec 0 0K 1K 166960K 834 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 346 225K 235K 166960K 34616 0
UVM aobj 95 5K 5K 166960K 101 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 94 0
NDP 12 0K 2K 166960K 120 0
temp 70 6763K 6844K 166960K 19462 0
kqueue 12 18K 28K 166960K 249 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 256 0 253 3 2 1 2 0 8 0
rtentry 112 344 0 245 4 0 4 4 0 8 0
unpcb 144 2688 0 2671 18 12 6 8 0 8 5
syncache 336 40 0 40 2 2 0 1 0 8 0
tcpqe 32 149 0 149 3 2 1 1 0 8 1
tcpcb 808 1039 0 1032 18 9 9 11 0 8 8
arp 88 60 0 44 1 0 1 1 0 8 0
ipq 40 1 0 1 1 1 0 1 0 8 0
ipqe 40 4 0 4 1 1 0 1 0 8 0
inpcb 360 4167 0 4153 28 19 9 16 0 8 7
nd6 104 82 0 61 1 0 1 1 0 8 0
pkpcb 40 12 0 12 3 2 1 1 0 8 1
kcovpl 48 27 0 20 1 0 1 1 0 8 0
ppxss 1072 18 0 18 3 2 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1353 0 941 39 10 29 29 0 8 2
art_table 32 1354 0 941 4 0 4 4 0 8 0
art_node 16 336 0 246 1 0 1 1 0 8 0
sysvmsgpl 40 49 0 9 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 361 0 351 1 0 1 1 0 8 0
shmpl 112 98 0 6 3 0 3 3 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 6267 0 4823 91 0 91 91 0 8 0
ffsino 240 6267 0 4823 86 0 86 86 0 8 0
nchpl 144 10986 0 9357 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 37378 0 37377 3 2 1 3 0 8 0
vcpupl 2048 80 0 0 10 0 10 10 0 8 0
vmpool 664 87 0 7 7 0 7 7 0 8 0
kstatmem 264 132 0 108 2 0 2 2 0 8 0
scxspl 216 36829 0 36829 11 9 2 8 1 8 2
plimitpl 152 318 0 304 1 0 1 1 0 8 0
sigapl 424 3892 0 3848 6 0 6 6 0 8 0
futexpl 64 31866 0 31863 1 0 1 1 0 8 0
knotepl 120 34055 0 33979 17 13 4 11 0 8 1
kqueuepl 184 659 0 651 8 6 2 4 0 8 1
pipepl 288 498 0 473 5 2 3 5 0 8 0
fdescpl 432 3872 0 3846 4 0 4 4 0 8 0
filepl 120 23723 0 23493 25 12 13 16 0 8 5
lockfpl 104 1214 0 1212 3 1 2 2 0 8 1
lockfspl 48 461 0 459 1 0 1 1 0 8 0
sessionpl 144 44 0 29 1 0 1 1 0 8 0
pgrppl 48 100 0 85 1 0 1 1 0 8 0
ucredpl 104 4313 0 4303 1 0 1 1 0 8 0
zombiepl 144 3849 0 3848 1 0 1 1 0 8 0
processpl 1072 3892 0 3848 4 0 4 4 0 8 0
procpl 680 8815 0 8752 9 2 7 7 0 8 1
sosppl 168 29 0 29 1 0 1 1 0 8 1
sockpl 488 7126 0 7092 106 95 11 30 0 8 6
mcl64k 65536 128 0 128 3 2 1 1 0 8 1
mcl16k 16384 77 0 77 3 2 1 1 0 8 1
mcl12k 12288 157 0 157 3 2 1 1 0 8 1
mcl9k 9216 56 0 56 3 2 1 1 0 8 1
mcl8k 8192 863 0 862 3 1 2 2 0 8 1
mcl4k 4096 387 0 387 3 2 1 1 0 8 1
mcl2k2 2112 24 0 24 3 2 1 1 0 8 1
mcl2k 2048 76864 0 76820 33 25 8 30 0 8 2
mtagpl 96 696 0 618 10 2 8 9 0 8 6
mbufpl 256 157607 0 157346 179 153 26 78 0 8 8
bufpl 280 10723 0 4333 457 0 457 457 0 8 0
anonpl 24 590413 0 578654 167 53 114 130 0 188 17
amapchunkpl 152 111113 0 110284 55 10 45 45 0 158 11
amappl16 200 14831 0 14362 81 47 34 46 0 8 7
amappl15 192 12 0 12 1 1 0 1 0 8 0
amappl14 184 213 0 201 2 1 1 2 0 8 0
amappl13 176 22 0 22 3 2 1 1 0 8 1
amappl12 168 4791 0 4762 2 0 2 2 0 8 0
amappl11 160 53 0 43 1 0 1 1 0 8 0
amappl10 152 44 0 34 1 0 1 1 0 8 0
amappl9 144 253 0 251 1 0 1 1 0 8 0
amappl8 136 288 0 227 3 0 3 3 0 8 0
amappl7 128 245 0 221 2 0 2 2 0 8 0
amappl6 120 568 0 559 1 0 1 1 0 8 0
amappl5 112 181 0 173 1 0 1 1 0 8 0
amappl4 104 566 0 543 2 1 1 2 0 8 0
amappl3 96 21871 0 21780 3 0 3 3 0 8 0
amappl2 88 4504 0 4434 3 1 2 3 0 8 0
amappl1 80 23427 0 22929 22 10 12 22 0 8 0
amappl 88 33895 0 33663 6 0 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 72 100 0 6 2 0 2 2 0 8 0
uaddrrnd 24 3959 0 3853 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3959 0 3853 1 0 1 1 0 8 0
vmmpekpl 168 30618 0 30565 4 0 4 4 0 8 0
vmmpepl 168 257330 0 255040 188 54 134 134 0 357 21
vmsppl 352 3958 0 3853 10 0 10 10 0 8 0
rwobjpl 24 73255 0 65761 47 0 47 47 0 8 0
pdppl 4096 7924 0 7786 344 204 140 148 0 8 2
pvpl 32 1388485 0 1370911 419 191 228 335 0 265 51
pmappl 216 3958 0 3853 7 0 7 7 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 838 0 418 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
---
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.
syzbot will keep track of this issue. See:
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If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: a782303f51d4 white space fixes. no functional change
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12ab7bba180000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=b1ba3a2a8ef13e5b4698
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7a46ba34f10f/disk-a782303f.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/fa4416e4719b/bsd-a782303f.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f05bcb3f6b77/kernel-a782303f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b1ba3a...@syzkaller.appspotmail.com
panic: malformed IPv4 option passed to ip_optcopy
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*442013 73039 0 0 0x4000000 0 syz-executor.4
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: 5
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
*cpu0: malformed IPv4 option passed to ip_optcopy
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000377bad60
rbx 0x24
rdx 0xffff800000dc2380
rcx 0
rax 0xffff80002a61c808
r8 0
r9 0x8080808080808080
r10 0x70d179625182b98
r11 0xfe31ea711ca74288
r12 0
r13 0x82
r14 0
r15 0x1
rip 0xffffffff818496ac db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff8000377bad50
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.4) tid=442013 pid=73039 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=84, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a61c560,0xffff80002a6a2010
process=0xffff8000ffff5500 user=0xffff8000377b6000, vmspace=0xfffffd80698d79b0
estcpu=34, cpticks=0, pctcpu=0.19, user=0, sys=19, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42477 69500 50424 0 2 0 syz-executor.0
42477 229896 50424 0 2 0x4000000 syz-executor.0
20949 404781 26013 0 2 0 syz-executor.1
20949 278404 26013 0 3 0x4000080 fsleep syz-executor.1
55847 201716 17079 0 2 0 syz-executor.2
55847 312325 17079 0 3 0x4000080 fsleep syz-executor.2
20401 220306 27658 0 2 0 syz-executor.6
20401 74773 27658 0 3 0x4000080 netcon2 syz-executor.6
20401 184047 27658 0 3 0x4000080 fsleep syz-executor.6
73039 386403 71907 0 2 0 syz-executor.4
*73039 442013 71907 0 7 0x4000000 syz-executor.4
27658 502679 54391 0 2 0x482 syz-executor.6
95680 199969 54391 0 2 0x482 syz-executor.5
17079 125140 54391 0 2 0x482 syz-executor.2
71907 333918 54391 0 2 0x482 syz-executor.4
26013 71878 54391 0 2 0x482 syz-executor.1
50424 344362 54391 0 2 0x482 syz-executor.0
31337 95790 54391 0 2 0x2 syz-executor.3
82936 182770 0 0 3 0x14200 acct acct
96582 179307 1 0 3 0x100083 ttyin getty
45000 148766 0 0 3 0x14200 bored sosplice
54391 223126 64376 0 2 0x2000002 syz-fuzzer
54391 429750 64376 0 2 0x6000482 syz-fuzzer
54391 313821 64376 0 3 0x6000082 wait syz-fuzzer
54391 231198 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 116117 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 433083 64376 0 3 0x6000082 wait syz-fuzzer
54391 136421 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 374762 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 64140 64376 0 3 0x6000082 wait syz-fuzzer
54391 200721 64376 0 3 0x6000082 wait syz-fuzzer
54391 162013 64376 0 3 0x6000082 thrsleep syz-fuzzer
54391 2063 64376 0 3 0x6000082 wait syz-fuzzer
54391 107499 64376 0 3 0x6000082 wait syz-fuzzer
54391 301541 64376 0 3 0x6000082 wait syz-fuzzer
64376 152494 27851 0 3 0x10008a sigsusp ksh
27851 316624 54549 0 3 0x9a kqread sshd
54549 3484 1 0 3 0x88 kqread sshd
65689 261508 10537 73 2 0x1100090 syslogd
10537 226083 1 0 3 0x100082 netio syslogd
71366 131729 1 0 3 0x100080 kqread resolvd
79385 430735 89284 77 3 0x100092 kqread dhcpleased
94941 111631 89284 77 3 0x100092 kqread dhcpleased
89284 54514 1 0 3 0x80 kqread dhcpleased
68057 516704 0 0 2 0x14200 smr
88377 86719 0 0 2 0x14200 zerothread
60779 46474 0 0 3 0x14200 aiodoned aiodoned
69431 63014 0 0 3 0x14200 syncer update
11930 49880 0 0 3 0x14200 cleaner cleaner
18009 158041 0 0 3 0x14200 reaper reaper
25070 509494 0 0 3 0x14200 pgdaemon pagedaemon
85490 82402 0 0 3 0x14200 bored viomb
7554 181355 0 0 3 0x40014200 acpi0 acpi0
60681 164064 0 0 3 0x14200 bored softnet3
46973 340431 0 0 3 0x14200 bored softnet2
31425 280366 0 0 3 0x14200 bored softnet1
92908 26516 0 0 2 0x14200 softnet0
87668 463099 0 0 3 0x14200 bored systqmp
7033 342687 0 0 3 0x14200 bored systq
13247 88159 0 0 2 0x40014200 softclock
78987 93939 0 0 3 0x40014200 idle0
1 109254 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10204 6482K 7085K 166960K 16354 0
pcb 15 20K 23K 166960K 470 0
rtable 221 15K 15K 166960K 1146 0
pf 31 9K 9K 166960K 148 0
ifaddr 45 12K 14K 166960K 169 0
ifgroup 54 2K 2K 166960K 243 0
sysctl 2 0K 0K 166960K 2 0
counters 31 17K 17K 166960K 85 0
ioctlops 0 0K 2K 166960K 366 0
iov 0 0K 18K 166960K 273 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1387 87K 87K 166960K 3747 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 55 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 365 0
dirhash 12 2K 2K 166960K 21 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 15 53K 77K 166960K 3631 0
sigio 0 0K 0K 166960K 98 0
proc 57 59K 83K 166960K 1090 0
subproc 91 5K 6K 166960K 351 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 401 0
in_multi 88 6K 7K 166960K 346 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 217 970K 970K 166960K 217 0
exec 0 0K 1K 166960K 834 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 346 225K 235K 166960K 34616 0
UVM aobj 95 5K 5K 166960K 101 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 94 0
NDP 12 0K 2K 166960K 120 0
temp 70 6763K 6844K 166960K 19462 0
kqueue 12 18K 28K 166960K 249 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 256 0 253 3 2 1 2 0 8 0
rtentry 112 344 0 245 4 0 4 4 0 8 0
unpcb 144 2688 0 2671 18 12 6 8 0 8 5
syncache 336 40 0 40 2 2 0 1 0 8 0
tcpqe 32 149 0 149 3 2 1 1 0 8 1
tcpcb 808 1039 0 1032 18 9 9 11 0 8 8
arp 88 60 0 44 1 0 1 1 0 8 0
ipq 40 1 0 1 1 1 0 1 0 8 0
ipqe 40 4 0 4 1 1 0 1 0 8 0
inpcb 360 4167 0 4153 28 19 9 16 0 8 7
nd6 104 82 0 61 1 0 1 1 0 8 0
pkpcb 40 12 0 12 3 2 1 1 0 8 1
kcovpl 48 27 0 20 1 0 1 1 0 8 0
ppxss 1072 18 0 18 3 2 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1353 0 941 39 10 29 29 0 8 2
art_table 32 1354 0 941 4 0 4 4 0 8 0
art_node 16 336 0 246 1 0 1 1 0 8 0
sysvmsgpl 40 49 0 9 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 361 0 351 1 0 1 1 0 8 0
shmpl 112 98 0 6 3 0 3 3 0 8 0
dirhash 1024 23 0 6 3 0 3 3 0 8 0
dino2pl 256 6267 0 4823 91 0 91 91 0 8 0
ffsino 240 6267 0 4823 86 0 86 86 0 8 0
nchpl 144 10986 0 9357 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 37378 0 37377 3 2 1 3 0 8 0
vcpupl 2048 80 0 0 10 0 10 10 0 8 0
vmpool 664 87 0 7 7 0 7 7 0 8 0
kstatmem 264 132 0 108 2 0 2 2 0 8 0
scxspl 216 36829 0 36829 11 9 2 8 1 8 2
plimitpl 152 318 0 304 1 0 1 1 0 8 0
sigapl 424 3892 0 3848 6 0 6 6 0 8 0
futexpl 64 31866 0 31863 1 0 1 1 0 8 0
knotepl 120 34055 0 33979 17 13 4 11 0 8 1
kqueuepl 184 659 0 651 8 6 2 4 0 8 1
pipepl 288 498 0 473 5 2 3 5 0 8 0
fdescpl 432 3872 0 3846 4 0 4 4 0 8 0
filepl 120 23723 0 23493 25 12 13 16 0 8 5
lockfpl 104 1214 0 1212 3 1 2 2 0 8 1
lockfspl 48 461 0 459 1 0 1 1 0 8 0
sessionpl 144 44 0 29 1 0 1 1 0 8 0
pgrppl 48 100 0 85 1 0 1 1 0 8 0
ucredpl 104 4313 0 4303 1 0 1 1 0 8 0
zombiepl 144 3849 0 3848 1 0 1 1 0 8 0
processpl 1072 3892 0 3848 4 0 4 4 0 8 0
procpl 680 8815 0 8752 9 2 7 7 0 8 1
sosppl 168 29 0 29 1 0 1 1 0 8 1
sockpl 488 7126 0 7092 106 95 11 30 0 8 6
mcl64k 65536 128 0 128 3 2 1 1 0 8 1
mcl16k 16384 77 0 77 3 2 1 1 0 8 1
mcl12k 12288 157 0 157 3 2 1 1 0 8 1
mcl9k 9216 56 0 56 3 2 1 1 0 8 1
mcl8k 8192 863 0 862 3 1 2 2 0 8 1
mcl4k 4096 387 0 387 3 2 1 1 0 8 1
mcl2k2 2112 24 0 24 3 2 1 1 0 8 1
mcl2k 2048 76864 0 76820 33 25 8 30 0 8 2
mtagpl 96 696 0 618 10 2 8 9 0 8 6
mbufpl 256 157607 0 157346 179 153 26 78 0 8 8
bufpl 280 10723 0 4333 457 0 457 457 0 8 0
anonpl 24 590413 0 578654 167 53 114 130 0 188 17
amapchunkpl 152 111113 0 110284 55 10 45 45 0 158 11
amappl16 200 14831 0 14362 81 47 34 46 0 8 7
amappl15 192 12 0 12 1 1 0 1 0 8 0
amappl14 184 213 0 201 2 1 1 2 0 8 0
amappl13 176 22 0 22 3 2 1 1 0 8 1
amappl12 168 4791 0 4762 2 0 2 2 0 8 0
amappl11 160 53 0 43 1 0 1 1 0 8 0
amappl10 152 44 0 34 1 0 1 1 0 8 0
amappl9 144 253 0 251 1 0 1 1 0 8 0
amappl8 136 288 0 227 3 0 3 3 0 8 0
amappl7 128 245 0 221 2 0 2 2 0 8 0
amappl6 120 568 0 559 1 0 1 1 0 8 0
amappl5 112 181 0 173 1 0 1 1 0 8 0
amappl4 104 566 0 543 2 1 1 2 0 8 0
amappl3 96 21871 0 21780 3 0 3 3 0 8 0
amappl2 88 4504 0 4434 3 1 2 3 0 8 0
amappl1 80 23427 0 22929 22 10 12 22 0 8 0
amappl 88 33895 0 33663 6 0 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 72 100 0 6 2 0 2 2 0 8 0
uaddrrnd 24 3959 0 3853 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3959 0 3853 1 0 1 1 0 8 0
vmmpekpl 168 30618 0 30565 4 0 4 4 0 8 0
vmmpepl 168 257330 0 255040 188 54 134 134 0 357 21
vmsppl 352 3958 0 3853 10 0 10 10 0 8 0
rwobjpl 24 73255 0 65761 47 0 47 47 0 8 0
pdppl 4096 7924 0 7786 344 204 140 148 0 8 2
pvpl 32 1388485 0 1370911 419 191 228 335 0 265 51
pmappl 216 3958 0 3853 7 0 7 7 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 838 0 418 14 0 14 14 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828efb08) at panic+0x165 sys/kern/subr_prf.c:198
ip_fragment(fffffd8064434500,ffff8000377baf18,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd8064434500,0,fffffd8074752bc0,22,0,0,2f8fd826e927424b) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8074752b48,fffffd8064434500,fffffd8064434300,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8068614030,fffffd8064434300,ffff8000377bb190,0,0,0) at sosend+0x66d
sendit(ffff80002a61c808,6,ffff8000377bb328,0,ffff8000377bb318) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a61c808,ffff8000377bb4d0,ffff8000377bb420) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000377bb4d0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5aa1fc51830, count: -10
---
This report is generated by a bot. It may contain errors.
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#syz undup
syzbot
Mar 4, 2024, 12:37:21 PMMar 4
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: e36fb1b3c0bc fix leak of CanonicalizePermittedCNAMEs on er..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=152b114c180000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b1ba3a2a8ef13e5b4698
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f1494c180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ffe648e5d310/disk-e36fb1b3.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/2e155573d8ef/bsd-e36fb1b3.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/73ca9236d7cf/kernel-e36fb1b3.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b1ba3a...@syzkaller.appspotmail.com
panic: malformed IPv4 option passed to ip_optcopy
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*434754 85062 0 0 0 0 syz-executor.0
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a270570
rbx 0xffffffff82cbbcb7 cpu_info_full_primary+0x2cb7
rdx 0x3fd
rcx 0
rax 0x32
r8 0x101010101010101
r9 0x8080808080808080
r10 0xc51d74d498f45999
r11 0x1a10e8abe05b799c
r12 0xffffffff82cbbab8 cpu_info_full_primary+0x2ab8
r13 0
r14 0
r15 0x1
rip 0xffffffff8108ebcc db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a270560
PROC (syz-executor.0) tid=434754 pid=85062 tcnt=1 stat=onproc
flags process=0 proc=0
runpri=86, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a199818,0xffffffff82de3388
process=0xffff8000ffff8008 user=0xffff80002a26b000, vmspace=0xfffffd806efe68c8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
31392 79476 16533 0 3 0x82 nanoslp syz-executor.0
16533 316542 65786 0 3 0x2000082 wait syz-execprog
16533 95293 65786 0 3 0x6000082 nanoslp syz-execprog
16533 429839 65786 0 3 0x6000082 thrsleep syz-execprog
16533 32436 65786 0 3 0x6000082 thrsleep syz-execprog
16533 162914 65786 0 3 0x6000082 thrsleep syz-execprog
16533 193184 65786 0 3 0x6000082 thrsleep syz-execprog
16533 203943 65786 0 3 0x6000082 thrsleep syz-execprog
16533 271420 65786 0 3 0x6000082 thrsleep syz-execprog
16533 522045 65786 0 3 0x6000082 kqread syz-execprog
16533 36830 65786 0 3 0x6000082 thrsleep syz-execprog
16533 490673 65786 0 3 0x6000082 thrsleep syz-execprog
65786 277560 36307 0 3 0x10008a sigsusp ksh
36307 343453 87733 0 3 0x9a kqread sshd
69043 295414 1 0 3 0x100083 ttyin getty
87733 289030 1 0 3 0x88 kqread sshd
34054 10739 21791 74 3 0x1100092 bpf pflogd
21791 418577 1 0 3 0x80 netio pflogd
72158 342707 44462 73 3 0x1100090 kqread syslogd
44462 56590 1 0 3 0x100082 netio syslogd
73921 36967 1 0 3 0x100080 kqread resolvd
96817 106981 91344 77 3 0x100092 kqread dhcpleased
32334 270804 91344 77 3 0x100092 kqread dhcpleased
91344 119377 1 0 3 0x80 kqread dhcpleased
23504 149200 0 0 3 0x14200 bored smr
556 403675 0 0 3 0x14200 pgzero zerothread
37025 157463 0 0 3 0x14200 aiodoned aiodoned
62774 260851 0 0 3 0x14200 syncer update
38010 303208 0 0 3 0x14200 cleaner cleaner
76729 264340 0 0 3 0x14200 reaper reaper
79463 293381 0 0 3 0x14200 pgdaemon pagedaemon
72395 282734 0 0 3 0x14200 bored viomb
98945 189280 0 0 3 0x40014200 acpi0 acpi0
35233 76689 0 0 7 0x40014200 idle1
70241 485584 0 0 3 0x14200 bored softnet3
59760 21154 0 0 3 0x14200 bored softnet2
65922 85490 0 0 3 0x14200 bored softnet1
609 283390 0 0 3 0x14200 bored softnet0
14 143003 0 0 3 0x14200 bored systqmp
35401 98658 0 0 3 0x14200 bored systq
52731 395621 0 0 3 0x14200 tmoslp softclockmp
50283 310863 0 0 3 0x40014200 tmoslp softclock
68362 286694 0 0 3 0x40014200 idle0
1 81937 0 0 3 0x82 wait init
Process 85062 (syz-executor.0) thread 0xffff80002a19a010 (434754)
exclusive rwlock inet r = 0 (0xffff800000db6938)
#0 witness_lock+0x447
#1 sosend+0x4fe sys/kern/uipc_socket.c:642
#2 sendit+0x65d sys/kern/uipc_syscalls.c:786
#3 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
#4 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#4 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff82d67360)
#0 witness_lock+0x447
#1 solock_shared+0x68 sys/kern/uipc_socket2.c:374
#2 sosend+0x4fe sys/kern/uipc_socket.c:642
#3 sendit+0x65d sys/kern/uipc_syscalls.c:786
#4 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
#5 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#5 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
ddb{0}> show malloc
pcb 15 10K 10K 166960K 15 0
rtable 80 2K 2K 166960K 144 0
pf 18 7K 10K 166960K 29 0
ifaddr 17 10K 10K 166960K 17 0
ifgroup 27 1K 1K 166960K 27 0
counters 50 34K 34K 166960K 50 0
ioctlops 0 0K 4K 166960K 1476 0
dirhash 12 2K 2K 166960K 12 0
proc 67 91K 103K 166960K 330 0
ether_multi 1 0K 0K 166960K 1 0
exec 0 0K 1K 166960K 299 0
UVM aobj 3 2K 2K 166960K 3 0
temp 1 6756K 6820K 166960K 3478 0
kqueue 12 18K 18K 166960K 25 0
rtpcb 120 22 0 19 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 111 0 111 1 1 0 1 0 8 0
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 120 4 0 0 1 0 1 1 0 8 0
inpcb 392 38 0 31 1 0 1 1 0 8 0
nd6 136 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
pfstitem 24 11 0 0 1 0 1 1 0 8 0
pfstkey 128 11 0 0 1 0 1 1 0 8 0
pfstate 376 11 0 0 2 0 2 2 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_table 32 145 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 1465 0 52 89 0 89 89 0 8 0
ffsino 272 1465 0 52 95 0 95 95 0 8 0
nchpl 144 1704 0 63 61 0 61 61 0 8 0
uvmvnodes 80 1480 0 0 31 0 31 31 0 8 0
vnodes 216 1480 0 0 83 0 83 83 0 8 0
namei 1024 5492 0 5492 2 0 2 2 0 8 2
percpumem 16 39 0 0 1 0 1 1 0 8 0
kstatmem 264 10 0 0 1 0 1 1 0 8 0
scxspl 216 6561 0 6561 3 2 1 2 1 8 1
plimitpl 152 28 0 19 1 0 1 1 0 8 0
sigapl 424 369 0 334 6 0 6 6 0 8 1
knotepl 120 68 0 0 3 0 3 3 0 8 0
kqueuepl 216 21 0 13 1 0 1 1 0 8 0
pipepl 320 118 0 111 2 0 2 2 0 8 1
fdescpl 496 351 0 334 4 0 4 4 0 8 1
filepl 152 1540 0 1468 4 0 4 4 0 8 1
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 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 334 0 334 1 0 1 1 0 8 1
processpl 1136 369 0 334 4 0 4 4 0 8 1
procpl 680 379 0 334 5 0 5 5 0 8 0
sockpl 584 95 0 70 2 0 2 2 0 8 0
mcl8k 8192 1 0 0 1 0 1 1 0 8 0
mcl4k 4096 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 274 0 0 35 0 35 35 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 294 0 0 19 0 19 19 0 8 0
bufpl 280 4101 0 141 283 0 283 283 0 8 0
anonpl 24 190534 0 186877 58 1 57 58 0 186 30
amapchunkpl 152 9924 0 9546 27 0 27 27 0 158 8
amappl16 200 5411 0 5345 5 0 5 5 0 8 0
amappl15 192 13 0 13 2 1 1 1 0 8 1
amappl14 184 155 0 142 2 0 2 2 0 8 1
amappl13 176 11 0 11 1 1 0 1 0 8 0
amappl12 168 957 0 937 3 1 2 2 0 8 0
amappl11 160 95 0 78 1 0 1 1 0 8 0
amappl10 152 18 0 16 1 0 1 1 0 8 0
amappl9 144 194 0 194 1 0 1 1 0 8 1
amappl8 136 119 0 98 2 0 2 2 0 8 1
amappl7 128 170 0 150 2 0 2 2 0 8 0
amappl6 120 157 0 151 1 0 1 1 0 8 0
amappl5 112 121 0 110 1 0 1 1 0 8 0
amappl4 104 433 0 409 2 0 2 2 0 8 1
amappl3 96 2432 0 2385 4 1 3 3 0 8 1
amappl2 88 776 0 710 3 0 3 3 0 8 0
amappl1 80 10115 0 9614 23 0 23 23 0 8 10
amappl 88 2516 0 2417 5 0 5 5 0 92 2
uaddrrnd 24 351 0 334 1 0 1 1 0 8 0
vmmpekpl 168 9686 0 9666 2 0 2 2 0 8 0
vmmpepl 168 42506 0 41184 119 0 119 119 0 357 60
vmsppl 448 350 0 334 5 1 4 4 0 8 2
rwobjpl 56 20654 0 18288 47 0 47 47 0 8 8
pdppl 4096 709 0 668 83 18 65 65 0 8 24
pvpl 32 45592 0 0 369 1 368 368 0 265 0
pmappl 248 350 0 334 2 0 2 2 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: -5
ddb{1}>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: e36fb1b3c0bc fix leak of CanonicalizePermittedCNAMEs on er..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=152b114c180000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b1ba3a2a8ef13e5b4698
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f1494c180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ffe648e5d310/disk-e36fb1b3.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/2e155573d8ef/bsd-e36fb1b3.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/73ca9236d7cf/kernel-e36fb1b3.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b1ba3a...@syzkaller.appspotmail.com
panic: malformed IPv4 option passed to ip_optcopy
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a4103ac8a40, count: 5
end of kernel
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{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
*cpu0: malformed IPv4 option passed to ip_optcopy
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a4103ac8a40, count: -10
end of kernel
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a270570
rbx 0xffffffff82cbbcb7 cpu_info_full_primary+0x2cb7
rdx 0x3fd
rcx 0
rax 0x32
r8 0x101010101010101
r9 0x8080808080808080
r10 0xc51d74d498f45999
r11 0x1a10e8abe05b799c
r12 0xffffffff82cbbab8 cpu_info_full_primary+0x2ab8
r13 0
r14 0
r15 0x1
rip 0xffffffff8108ebcc db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a270560
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{0}> show proc
db_enter+0x1c: addq $0x8,%rsp
PROC (syz-executor.0) tid=434754 pid=85062 tcnt=1 stat=onproc
flags process=0 proc=0
runpri=86, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a199818,0xffffffff82de3388
process=0xffff8000ffff8008 user=0xffff80002a26b000, vmspace=0xfffffd806efe68c8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*85062 434754 31392 0 7 0 syz-executor.0
31392 79476 16533 0 3 0x82 nanoslp syz-executor.0
16533 316542 65786 0 3 0x2000082 wait syz-execprog
16533 95293 65786 0 3 0x6000082 nanoslp syz-execprog
16533 429839 65786 0 3 0x6000082 thrsleep syz-execprog
16533 32436 65786 0 3 0x6000082 thrsleep syz-execprog
16533 162914 65786 0 3 0x6000082 thrsleep syz-execprog
16533 193184 65786 0 3 0x6000082 thrsleep syz-execprog
16533 203943 65786 0 3 0x6000082 thrsleep syz-execprog
16533 271420 65786 0 3 0x6000082 thrsleep syz-execprog
16533 522045 65786 0 3 0x6000082 kqread syz-execprog
16533 36830 65786 0 3 0x6000082 thrsleep syz-execprog
16533 490673 65786 0 3 0x6000082 thrsleep syz-execprog
65786 277560 36307 0 3 0x10008a sigsusp ksh
36307 343453 87733 0 3 0x9a kqread sshd
69043 295414 1 0 3 0x100083 ttyin getty
87733 289030 1 0 3 0x88 kqread sshd
34054 10739 21791 74 3 0x1100092 bpf pflogd
21791 418577 1 0 3 0x80 netio pflogd
72158 342707 44462 73 3 0x1100090 kqread syslogd
44462 56590 1 0 3 0x100082 netio syslogd
73921 36967 1 0 3 0x100080 kqread resolvd
96817 106981 91344 77 3 0x100092 kqread dhcpleased
32334 270804 91344 77 3 0x100092 kqread dhcpleased
91344 119377 1 0 3 0x80 kqread dhcpleased
23504 149200 0 0 3 0x14200 bored smr
556 403675 0 0 3 0x14200 pgzero zerothread
37025 157463 0 0 3 0x14200 aiodoned aiodoned
62774 260851 0 0 3 0x14200 syncer update
38010 303208 0 0 3 0x14200 cleaner cleaner
76729 264340 0 0 3 0x14200 reaper reaper
79463 293381 0 0 3 0x14200 pgdaemon pagedaemon
72395 282734 0 0 3 0x14200 bored viomb
98945 189280 0 0 3 0x40014200 acpi0 acpi0
35233 76689 0 0 7 0x40014200 idle1
70241 485584 0 0 3 0x14200 bored softnet3
59760 21154 0 0 3 0x14200 bored softnet2
65922 85490 0 0 3 0x14200 bored softnet1
609 283390 0 0 3 0x14200 bored softnet0
14 143003 0 0 3 0x14200 bored systqmp
35401 98658 0 0 3 0x14200 bored systq
52731 395621 0 0 3 0x14200 tmoslp softclockmp
50283 310863 0 0 3 0x40014200 tmoslp softclock
68362 286694 0 0 3 0x40014200 idle0
1 81937 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 85062 (syz-executor.0) thread 0xffff80002a19a010 (434754)
exclusive rwlock inet r = 0 (0xffff800000db6938)
#0 witness_lock+0x447
#1 sosend+0x4fe sys/kern/uipc_socket.c:642
#2 sendit+0x65d sys/kern/uipc_syscalls.c:786
#3 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
#4 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#4 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
shared rwlock netlock r = 0 (0xffffffff82d67360)
#0 witness_lock+0x447
#1 solock_shared+0x68 sys/kern/uipc_socket2.c:374
#2 sosend+0x4fe sys/kern/uipc_socket.c:642
#3 sendit+0x65d sys/kern/uipc_syscalls.c:786
#4 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
#5 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#5 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10159 6458K 6458K 166960K 11237 0
pcb 15 10K 10K 166960K 15 0
rtable 80 2K 2K 166960K 144 0
pf 18 7K 10K 166960K 29 0
ifaddr 17 10K 10K 166960K 17 0
ifgroup 27 1K 1K 166960K 27 0
counters 50 34K 34K 166960K 50 0
ioctlops 0 0K 4K 166960K 1476 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1177 74K 74K 166960K 1193 0
log 0 0K 0K 166960K 4 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
UFS mount 5 36K 36K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 4 9K 13K 166960K 24 0
proc 67 91K 103K 166960K 330 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 22 1K 1K 166960K 22 0
NFS daemon 1 16K 16K 166960K 1 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
MSDOSFS mount 1 16K 16K 166960K 1 0
exec 0 0K 1K 166960K 299 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 169 15K 18K 166960K 2983 0
VM swap 8 62K 64K 166960K 10 0
UVM aobj 3 2K 2K 166960K 3 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 7 0K 0K 166960K 7 0
crypto data 1 1K 1K 166960K 1 0
temp 1 6756K 6820K 166960K 3478 0
kqueue 12 18K 18K 166960K 25 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 22 0 19 1 0 1 1 0 8 0
rtentry 112 34 0 1 1 0 1 1 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 111 0 111 1 1 0 1 0 8 0
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 120 4 0 0 1 0 1 1 0 8 0
inpcb 392 38 0 31 1 0 1 1 0 8 0
nd6 136 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
pfstitem 24 11 0 0 1 0 1 1 0 8 0
pfstkey 128 11 0 0 1 0 1 1 0 8 0
pfstate 376 11 0 0 2 0 2 2 0 8 0
pfrule 1344 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 256 144 0 0 9 0 9 9 0 8 0
art_table 32 145 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 1465 0 52 89 0 89 89 0 8 0
ffsino 272 1465 0 52 95 0 95 95 0 8 0
nchpl 144 1704 0 63 61 0 61 61 0 8 0
uvmvnodes 80 1480 0 0 31 0 31 31 0 8 0
vnodes 216 1480 0 0 83 0 83 83 0 8 0
namei 1024 5492 0 5492 2 0 2 2 0 8 2
percpumem 16 39 0 0 1 0 1 1 0 8 0
kstatmem 264 10 0 0 1 0 1 1 0 8 0
scxspl 216 6561 0 6561 3 2 1 2 1 8 1
plimitpl 152 28 0 19 1 0 1 1 0 8 0
sigapl 424 369 0 334 6 0 6 6 0 8 1
knotepl 120 68 0 0 3 0 3 3 0 8 0
kqueuepl 216 21 0 13 1 0 1 1 0 8 0
pipepl 320 118 0 111 2 0 2 2 0 8 1
fdescpl 496 351 0 334 4 0 4 4 0 8 1
filepl 152 1540 0 1468 4 0 4 4 0 8 1
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 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 334 0 334 1 0 1 1 0 8 1
processpl 1136 369 0 334 4 0 4 4 0 8 1
procpl 680 379 0 334 5 0 5 5 0 8 0
sockpl 584 95 0 70 2 0 2 2 0 8 0
mcl8k 8192 1 0 0 1 0 1 1 0 8 0
mcl4k 4096 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 274 0 0 35 0 35 35 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 294 0 0 19 0 19 19 0 8 0
bufpl 280 4101 0 141 283 0 283 283 0 8 0
anonpl 24 190534 0 186877 58 1 57 58 0 186 30
amapchunkpl 152 9924 0 9546 27 0 27 27 0 158 8
amappl16 200 5411 0 5345 5 0 5 5 0 8 0
amappl15 192 13 0 13 2 1 1 1 0 8 1
amappl14 184 155 0 142 2 0 2 2 0 8 1
amappl13 176 11 0 11 1 1 0 1 0 8 0
amappl12 168 957 0 937 3 1 2 2 0 8 0
amappl11 160 95 0 78 1 0 1 1 0 8 0
amappl10 152 18 0 16 1 0 1 1 0 8 0
amappl9 144 194 0 194 1 0 1 1 0 8 1
amappl8 136 119 0 98 2 0 2 2 0 8 1
amappl7 128 170 0 150 2 0 2 2 0 8 0
amappl6 120 157 0 151 1 0 1 1 0 8 0
amappl5 112 121 0 110 1 0 1 1 0 8 0
amappl4 104 433 0 409 2 0 2 2 0 8 1
amappl3 96 2432 0 2385 4 1 3 3 0 8 1
amappl2 88 776 0 710 3 0 3 3 0 8 0
amappl1 80 10115 0 9614 23 0 23 23 0 8 10
amappl 88 2516 0 2417 5 0 5 5 0 92 2
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 72 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 24 351 0 334 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 351 0 334 1 0 1 1 0 8 0
vmmpekpl 168 9686 0 9666 2 0 2 2 0 8 0
vmmpepl 168 42506 0 41184 119 0 119 119 0 357 60
vmsppl 448 350 0 334 5 1 4 4 0 8 2
rwobjpl 56 20654 0 18288 47 0 47 47 0 8 8
pdppl 4096 709 0 668 83 18 65 65 0 8 24
pvpl 32 45592 0 0 369 1 368 368 0 265 0
pmappl 248 350 0 334 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 355 0 21 10 0 10 10 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198
ip_fragment(fffffd806cc94300,ffff80002a270728,ffff8000001a02a8,5dc) at ip_fragment+0x5b4
ip_output(fffffd806cc94300,0,fffffd806f4919a8,22,0,0,a8355ce4cae33f01) at ip_output+0xe3c sys/netinet/ip_output.c:478
divert_output(fffffd806f491930,fffffd806cc94300,fffffd807f011700,0) at divert_output+0x30a sys/netinet/ip_divert.c:174
sosend(ffff800000db6920,fffffd807f011700,ffff80002a270990,0,0,0) at sosend+0x66d
sendit(ffff80002a19a010,4,ffff80002a270b28,0,ffff80002a270b18) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a19a010,ffff80002a270cd0,ffff80002a270c20) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff80002a270cd0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a270cd0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a4103ac8a40, count: -10
end of kernel
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: 10
ddb{1}> trace
x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27
acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206
sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183
end trace frame: 0x0, count: -5
ddb{1}>
---
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