> 13 окт. 2017 г., в 11:55, Stuart Henderson <[email protected]> написал(а):
>
> On 2017/10/12 13:23, kasak wrote:
>>
>>> 12 окт. 2017 г., в 11:29, Stuart Henderson <[email protected]>
>>> написал(а):
>>>
>>> On 2017/10/12 09:13, kasak wrote:
>>>> I have tried different option but it seems that ntopng will not work
>>>> more than 3-5 minutes. It simply crashes without any output.
>>>
>>> How does the backtrace look?
>>>
>>> It worked last time I used it, but that was a while ago.
>>>
>>>> And it seems that I am facing this bug:
>>>> https://github.com/ntop/ntopng/issues/710
>>>> <https://github.com/ntop/ntopng/issues/710>
>>>> I also have tons of suspicious activity. Adding -H option disable alerts
>>>> but ntopng continues to crash.
>>>> It is crashing both in 6.1 and 6.2. I have simple configuration with em0
>>>> connected to internet and em1 connected to lan. Stop of course started on
>>>> em1.
>>>> Can anybody confirm?
>>>
>>> Seems they moved to github so portroach didn't find the update for me.
>>> I'll take a look at updating the port sometime, if anyone wants to beat me
>>> to it, be very careful with the bpf_timeval mess in patches.
>>>
>>
>> Hello Stuart! I am afraid I can’t look at backtrace, I am running ntopng
>> from packages and don’t really know how to do it.
>> I have tried to start it right now and it crashed after 20-30 seconds. Here
>> is log file:
>>
>> 12/Oct/2017 13:17:36 [Ntop.cpp:1121] Setting local networks to
>> 192.168.2.0/23,192.168.200.0/24
>> 12/Oct/2017 13:17:36 [Redis.cpp:92] Successfully connected to redis
>> 127.0.0.1:6379@0
>> 12/Oct/2017 13:17:36 [Ntop.cpp:1095] Parent process is exiting (this is
>> normal)
>> 12/Oct/2017 13:17:36 [PcapInterface.cpp:85] Reading packets from interface
>> em1...
>> 12/Oct/2017 13:17:36 [Ntop.cpp:1267] Registered interface em1 [id: 0]
>> 12/Oct/2017 13:17:36 [Ntop.cpp:1279] Registered interface view em1 [id: 0]
>> 12/Oct/2017 13:17:36 [main.cpp:255] PID stored in file
>> /var/run/ntopng/ntopng.pid
>> 12/Oct/2017 13:17:36 [Utils.cpp:353] User changed to _ntopng
>> 12/Oct/2017 13:17:36 [HTTPserver.cpp:464] HTTPS Disabled: missing SSL
>> certificate /etc/ssl/ntopng-cert.pem
>> 12/Oct/2017 13:17:36 [HTTPserver.cpp:466] Please read
>> https://github.com/ntop/ntopng/blob/dev/doc/README.SSL if you want to enable
>> SSL.
>> 12/Oct/2017 13:17:36 [HTTPserver.cpp:509] Web server dirs
>> [/usr/local/share/ntopng/httpdocs][/usr/local/share/ntopng/scripts]
>> 12/Oct/2017 13:17:36 [HTTPserver.cpp:512] HTTP server listening on port 3000
>> 12/Oct/2017 13:17:36 [main.cpp:295] Working directory: /home/ntop
>> 12/Oct/2017 13:17:36 [main.cpp:297] Scripts/HTML pages directory:
>> /usr/local/share/ntopng
>> 12/Oct/2017 13:17:36 [Ntop.cpp:271] Welcome to ntopng amd64 v.2.4.171002 -
>> (C) 1998-2016 ntop.org
>> 12/Oct/2017 13:17:36 [PeriodicActivities.cpp:53] Started periodic activities
>> loop...
>> 12/Oct/2017 13:17:36 [Ntop.cpp:531] Adding 192.168.2.0/23 as IPv4 local
>> network for em1
>> 12/Oct/2017 13:17:36 [NetworkInterface.cpp:1536] Started packet polling on
>> interface em1 [id: 0]…
>>
>> And here is rc.conf.local string:
>> ntopng_flags=-i em1 -m 192.168.2.0/23,192.168.200.0/24 -d /home/ntop
>
> Run it in the foreground:
>
> # gdb `which ntopng`
> GNU gdb 6.3
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "amd64-unknown-openbsd6.2"...
> (gdb) set args -i em1 -m 192.168.2.0/23,192.168.200.0/24 -d /home/ntop
> (gdb) r
> Starting program: /usr/local/bin/ntopng -i em1 -m
> 192.168.2.0/23,192.168.200.0/24 -d /home/ntop
> [...]
>
> When it crashes, type "bt full" and paste the output here. This *might*
> give enough clues to track it down - but it's not worth doing a bigger
> investigation when there's a newer version upstream already.
>
> 20-30 seconds makes it sound like it is crashing due to some traffic
> that it's seeing.
>
Oh thanks!
Under control of debugger it was alive for 25 minutes, after that it show this:
Program received signal SIGSEGV, Segmentation fault.
[Switching to thread 230063]
strchr () at /usr/src/lib/libc/arch/amd64/string/strchr.S:58
58 /usr/src/lib/libc/arch/amd64/string/strchr.S: No such file or directory.
in /usr/src/lib/libc/arch/amd64/string/strchr.S
Current language: auto; currently asm
(gdb)
And here is bt full:
#0 strchr () at /usr/src/lib/libc/arch/amd64/string/strchr.S:58
No locals.
#1 0x00001ff16d963714 in Flow::dissectHTTP (this=0x1ff4222c5000,
src2dst_direction=true,
payload=0x1ff429770f84
"data=%7B%22H%22%3A%22systemstatehub%22%2C%22M%22%3A%22GetConnectionsState%22%2C%22A%22%3A%5B%5D%2C%22I%22%3A1746%7D\n%?\234\221U\204"
<Address 0x1ff429771000 out of bounds>, payload_len=115) at string.h:74
space = 0x1ff429770c3f "
tvema.filter.calculationPeriodicity.railwayCode=24;
tvema.filter.calculationPeriodicity.numberPch=4;
tvema.filter.calculationPeriodicity.year=2017;
tvema.calculationPeriodicity.calculation=0; tvema.f"...
h = (HTTPstats *) 0x0
#2 0x00001ff16d94c677 in NetworkInterface::processPacket (
this=0x1ff417aa71d0, when=0x1ff4516299e8, time=1507893722498,
eth=0x1ff429770f4e, vlan_id=0, iph=0x1ff429770f5c, ip6=0x0, ipsize=155,
rawsize=169, h=0x1ff4516299e8, packet=0x1ff429770f4e "",
shaped=0x1ff3bcbc438d, ndpiProtocol=0x1ff3bcbc438e)
at src/NetworkInterface.cpp:919
ndpi_flow = (ndpi_flow_struct *) 0x1ff42ab87800
dump_is_unknown = false
src2dst_direction = true
l4_proto = 6 '\006'
flow = (class Flow *) 0x1ff4222c5000
eth_src = (u_int8_t *) 0x1ff429770f54 "???\226!)\b"
---Type <return> to continue, or q <return> to quit---
eth_dst = (u_int8_t *) 0x1ff429770f4e ""
src_ip = {addr = {ipVersion = 4 '\004', localHost = 0 '\0',
privateIP = 1 '\001', multicastIP = 0 '\0', broadcastIP = 0 '\0',
notUsed = 0 '\0', ipType = {ipv6 = {u6_addr = {
u6_addr8 = 0x1ff3bcbc3f4c "??\003\005", u6_addr16 = 0x1ff3bcbc3f4c,
u6_addr32 = 0x1ff3bcbc3f4c}}, ipv4 = 84125888}}, ip_key = 3232236293}
dst_ip = {addr = {ipVersion = 4 '\004', localHost = 0 '\0',
privateIP = 0 '\0', multicastIP = 0 '\0', broadcastIP = 0 '\0',
notUsed = 0 '\0', ipType = {ipv6 = {u6_addr = {
u6_addr8 = 0x1ff3bcbc3f34 "??p\n", u6_addr16 = 0x1ff3bcbc3f34,
u6_addr32 = 0x1ff3bcbc3f34}}, ipv4 = 175172052}},
ip_key = 3572068362}
src_port = 23777
dst_port = 38943
payload_len = 115
tcph = (ndpi_tcphdr *) 0x1ff429770f70
udph = (ndpi_udphdr *) 0x0
l4_packet_len = 135
l4 = (
u_int8_t *) 0x1ff429770f70 "?\\\037\230c\226\022?\033?\204&P\030>ÿq"
tcp_flags = 24 '\030'
payload = (
u_int8_t *) 0x1ff429770f84
"data=%7B%22H%22%3A%22systemstatehub%22%2C%22M%22---Type <return> to continue,
or q <return> to quit---
%3A%22GetConnectionsState%22%2C%22A%22%3A%5B%5D%2C%22I%22%3A1746%7D\n%?\234\221U\204"
<Address 0x1ff429771000 out of bounds>
ip = (u_int8_t *) 0x1ff429770f5c "E"
is_fragment = false
new_flow = false
pass_verdict = true
a_shaper_id = 0
b_shaper_id = 0
#3 0x00001ff16d94e81d in NetworkInterface::dissectPacket (
this=0x1ff417aa71d0, h=0x1ff4516299e8, packet=0x1ff429770f4e "",
shaped=0x1ff3bcbc438d, ndpiProtocol=0x1ff3bcbc438e)
at src/NetworkInterface.cpp:1403
frag_off = 16384
iph = (ndpi_iphdr *) 0x1ff429770f5c
ip6 = (ndpi_ipv6hdr *) 0x0
ba = (class std::bad_alloc &) @0x1ff451629020: {<std::exception> = {
_vptr$exception = 0x1ff3a42d40e0}, <No data fields>}
srcHost = (class Host *) 0x1ff3a468d000
dstHost = (class Host *) 0x1ff3d5834000
lasttime = 1507893722498
oom_warning_sent = false
oom_warning_sent = false
ethernet = (ndpi_ethhdr *) 0x1ff429770f4e
---Type <return> to continue, or q <return> to quit---
dummy_ethernet = {h_dest = 0x1ff3bcbc4290 "?B???\037",
h_source = 0x1ff3bcbc4296 "", h_proto = 8180}
time = 1507893722498
eth_type = 2048
ip_offset = 14
vlan_id = 0
eth_offset = 0
null_type = 3976623104
pcap_datalink_type = 1
pass_verdict = true
#4 0x00001ff16d902e3b in _ZL14packetPollLoopPv (ptr=0x1ff417aa71d0)
at src/PcapInterface.cpp:187
p = 7
shaped = false
pkt = (const u_char *) 0x1ff429770f4e ""
hdr = (pcap_pkthdr *) 0x1ff4516299e8
rc = 1
iface = (PcapInterface *) 0x1ff417aa71d0
pd = (pcap_t *) 0x1ff451629800
pcap_list = (FILE *) 0x0
#5 0x00001ff3cbfeacae in _rthread_start (v=Variable "v" is not available.
)
at /usr/src/lib/librthread/rthread.c:96
retval = (void *) 0x0
---Type <return> to continue, or q <return> to quit---
#6 0x00001ff43673de0b in __tfork_thread ()
at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:75
No locals.
#7 0x0000000000000000 in ?? ()
No symbol table info available.
