https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5686
Jeff Morriss <jeff.morriss.ws@xxxxxxxxx> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |jeff.morriss.ws@xxxxxxxxx
Resolution| |INVALID
--- Comment #1 from Jeff Morriss <jeff.morriss.ws@xxxxxxxxx> 2011-02-24 19:20:40 PST ---
That 8th byte is usually NULL to serve as a separator between the canary and
the pointer to the next canary: you can see how it is used at the end of
emem_alloc_chunk().
I added a (hopefully explanatory) comment in rev 36065.
(If you make the change you proposed, you'll find that memory corruption is
always detected--because we end up comparing the NULL separator to the random
canary value.)
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