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Old 12-25-2014, 03:23 PM   #1
neo4891
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Reg : Linux Traceback


Hi All,

I am working for a Networking company, where device is built upon Linux kernel. Normally we gets cases for device crash and we analyse "crashinfo" file which contains Traceback.

I would like to read tracebacks, if you have any good document Please provide me.

Regards,
Neo
 
Old 12-25-2014, 08:12 PM   #2
frankbell
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According to Wikipedia, "IP traceback" is a generic term for

Quote:
any method for reliably determining the origin of a packet on the Internet.
Traceback can also refer to other things beside "IP traceback," as a web search for "traceback" shows. Could you be more specific about the nature of these traceback files?
 
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Old 12-25-2014, 10:49 PM   #3
neo4891
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I am talking about kernal crash, please refer bellow "traceback".

Thread 1 (process 935):
#0 abcd-function-1 (arg=0xffffdfb4e8, firstp=0xffffdfb4c0,
ruleno=2, appid=698, field=0x80000000be5579f0, fid=16382, id=28279,
patmatch=0x0, alerts=0xffffdfb338, qualifier_bitmask=2,
qualifier=0x80000000bf5c1c0c <Address 0x80000000bf5c1c0c out of bounds>,
count=1, is_cts=0, lookup=0x0, match_offset=0) at pan_detector.c:926
#1 0x0000005555caafe4 in abcd-function-2 (arg=0xffffdfb4e8,
firstp=0xffffdfb4c0, ruleno=2, appid=698, field=0x80000000be5579f0,
offset=29921, is_cts=0, alerts=0xffffdfb338) at pan_detector.c:1069
#2 0x0000005555cabf1c in abcd-function-3 (arg=0xffffdfb4e8,
firstp=0xffffdfb4c0, ruleno=2, decoder_appid=698,

Last edited by neo4891; 12-26-2014 at 07:37 AM.
 
Old 12-26-2014, 05:02 AM   #4
unSpawn
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Quote:
Originally Posted by neo4891 View Post
I am talking about kernal crash, please refer bellow "traceback".
This is not regular kernel code.
ruleno, aho_lookup (for Aho-Corasick?) and tcpseq make this look like output from a pattern matching engine (or more precise an IDS or IPS solution).
So what kernel / OS is this and who is the vendor?
 
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Old 12-26-2014, 07:45 AM   #5
neo4891
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Hi Upswan,

What is Aho-Corasick? And how did you find out its an IDS or IPS solution?
 
Old 12-26-2014, 09:56 AM   #6
unSpawn
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Please answer the question and please do not mutilate my chosen handle.
 
Old 12-26-2014, 01:19 PM   #7
neo4891
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Hi UnSpawn,

Its a Linux Kernel and Checkpoint is the vendor.

Regards,
Hardik Shah
 
  


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