Kees Cook wrote:
> Thanks for the bug report!  Do you have a public reproducer to help test
> for this issue?

The bug report at upstream [1] states that this bug was closed/invalid
because:

[quote]
I dont see how this can overflow, if you disgaree please provide a full
example with values.
RESPONSE:
nope!! you are right , I didn't notice the uint64_t casting the size
check which limits the width to smaller values !!
[/quote]

[1] http://roundup.mplayerhq.hu/roundup/ffmpeg/issue701

-- 
Possible buffer underflow caused by integer overflow in the image conversion 
routines
https://bugs.launchpad.net/bugs/288823
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