Wireshark-bugs: [Wireshark-bugs] [Bug 1001] free() invalid pointer in dissect_802_3 at packet-ie

Date: Fri, 28 Jul 2006 02:49:02 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1001


dgautheron@xxxxxxxx changed:

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------- Comment #10 from dgautheron@xxxxxxxx  2006-07-28 02:49 GMT -------
(In reply to comment #8)

> It turns out that the gdb backtrace was lying.  I discovered this by changing
> except_free() in epan/except.c to this:
Yes, with optimization gdb doesn't always get the stack right.

> Something to note:  The definition of ENDTRY has a line calling
> except_free(except_ch.except_obj.except_dyndata).  According to the gdb
> backtrace, that value being passed is 0x0.  Yet except_free() is reporting that
> the pointer it was passed is 0xbfb53db8.  I wonder if I should just chalk this
> up to another case of gdb strangeness...
> 
Maybe or:

--a bug in SSP gcc,
Can you attache the gdb output of 
disas dissect_802_3

--Does valgrind work with SSP? 

--Can you try to run it with all protocols below 802_3 disabled?


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