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authorMichael Niedermayer <michael@niedermayer.cc>2018-01-31 19:20:10 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2018-04-13 00:35:15 +0200
commit838d02fcff8d08dfe138db572eaff01193f388ab (patch)
treee067d362e42b5227ef5776312902468039e1e75a
parent0322f781777d4413bd57815ee9b5a7d6a0cfe716 (diff)
downloadffmpeg-838d02fcff8d08dfe138db572eaff01193f388ab.tar.gz
avcodec/huffyuvdec: Check input buffer size
Fixes: Timeout Fixes: 5487/clusterfuzz-testcase-4696837035393024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 08c220d26cff51ca2f6896b65aebfa3accc67290) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/huffyuvdec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index 979c4b9d5c..66357bfb40 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -919,6 +919,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVFrame *const p = data;
int table_size = 0, ret;
+ if (buf_size < (width * height + 7)/8)
+ return AVERROR_INVALIDDATA;
+
av_fast_padded_malloc(&s->bitstream_buffer,
&s->bitstream_buffer_size,
buf_size);