Wireshark-bugs: [Wireshark-bugs] [Bug 1956] Wireshark crashes on certain display filters (ftype
Date: Wed, 31 Oct 2007 07:31:25 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1956


[email protected] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Wireshark crashes on certain|Wireshark crashes on certain
                   |filters while capturing     |display filters (ftype ipv4)




------- Comment #2 from [email protected]  2007-10-31 07:31 GMT -------
this filter also crashes Wireshark, if you simply load a capture file and use
the filter:

ip.addr & 1.1.1.1

So the problem here is that this is a filter that just crashes Wireshark were
it obviously shouldn't do so ;-)

I can easily reproduce the crash with this filter, the problem occurs in
cmp_bytes_bitwise_and (epan/ftypes/ftype-ipv4.c, line 178), as b is an invalid
pointer here.

I personally don't know that code well, so I can't fix it. But if one of the
other developers can't reproduce it and needs assistance (e.g. detailed call
stack), just ask ...

(I've updated the summary accordingly)


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