Alessio,

one of the calls to the library strncpy() function in sniffit contains 
"illegal" data (which results in a the application trying to access a memory 
location outside of its address space).
My guess is that this is the one in sn_analyse.c
You should recompile sniffit with debug support and use gdb to check this (and 
possibly the other four calls in sniffit.0.3.7) setting appropriate breakpoints 
and checking the values of the variables involved (I would pay attention to the 
value of MTU).

Once we identify the guilty call and associated variable(s) we can try
to trace it back to the bug that causes it.

** Changed in: sniffit (Ubuntu)
       Status: Unconfirmed => Needs Info

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Segmentation Fault
https://bugs.launchpad.net/bugs/107180
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