Hi,

The head of the stack just before the exception is given below.

The actual error is in proto_tree_set_representation at the call:
        g_vsnprintf(fi->rep->representation, ITEM_LABEL_LENGTH, format, ap);

The format has a single %I64x value needed.

The entry to the routine throws an MSVC Runtime Library error dialogue.

Not an area I know much about, but I can reproduce it - if this isnt 
ringing any bells, drop me a line with where to look next, and I'll give 
it a whirl.

Neil

proto_tree_set_representation(_proto_node * 0x02d6e418, const char * 
0x01489ad8, char * 0x0012e378) line 2938
proto_tree_add_text(_proto_node * 0x02d6e4d8, tvbuff * 0x02cfba9c, int 
323, int 8, const char * 0x01489ad8) line 677 + 17 bytes
bootp_option(tvbuff * 0x02cfba9c, _proto_node * 0x02cfb020, int 318, int 
376, int 0, int * 0x0012e478, const char * * 0x0012e488, const unsigned 
char * * 0x0012e454) line 1211 + 42 bytes
dissect_bootp(tvbuff * 0x02cfba9c, _packet_info * 0x02c1cef8, 
_proto_node * 0x02cfb5c0) line 3162 + 35 bytes
call_dissector_through_handle(dissector_handle * 0x02abd640, tvbuff * 
0x02cfba9c, _packet_info * 0x02c1cef8, _proto_node * 0x02cfb5c0) line 
387 + 18 bytes

Joerg Mayer wrote:
> Hello,
> 
> On Linux, I can't reproduce the crash mentioned in
> http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1025
> Can someone please try to test this on Windows and maybe provide a stack
> trace?
> 
> Thanks
>      Joerg

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