[FFmpeg-devel] [PATCH] avcodec/lpc: signed integer overflow in compute_lpc_coefs() (aacdec_fixed)

Michael Niedermayer michael at niedermayer.cc
Tue Jun 20 14:38:55 EEST 2017


On Thu, Jun 15, 2017 at 02:17:36AM +0200, Michael Niedermayer wrote:
> Fixes: runtime error: signed integer overflow: -1575818955 + -915383657 cannot be represented in type 'int'
> Fixes: 2224/clusterfuzz-testcase-minimized-6208559949807616
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/lpc.h | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)

applied

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20170620/4cb57992/attachment.sig>


More information about the ffmpeg-devel mailing list