[FFmpeg-devel] [PATCH 3/5] avcodec/alsdec: Check for block_length <= 0 in read_var_block_data()

Michael Niedermayer michael at niedermayer.cc
Mon Aug 5 19:46:19 EEST 2019


On Fri, Jul 26, 2019 at 06:26:06PM +0200, Michael Niedermayer wrote:
> Fixes: left shift of negative value -1
> Fixes: 15719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5685731105701888
> 
> 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/alsdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

will apply

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

No snowflake in an avalanche ever feels responsible. -- Voltaire
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