[FFmpeg-devel] [PATCH 1/2] avformat/rmdec: Initialize and sanity check offset in ivr_read_header()

[Michael Niedermayer]

On Sat, Nov 16, 2019 at 12:10:52AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: -9223372036854775808 - 17 cannot be represented in type 'long'
> Fixes: 18768/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5674385247830016
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavformat/rmdec.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

will apply

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

it is not once nor twice but times without number that the same ideas make
their appearance in the world. -- Aristotle
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20191209/ee13e479/attachment.sig>