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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-10 23:48:30 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-11 00:02:41 +0200 |
| commit | 60765cc42e3eb4a1193ef352a89946113a6e5802 (patch) | |
| tree | e58291f92b8983520b7a57c191810dc716a4e9d4 /libavcodec/pixlet.c | |
| parent | 6b5d3fb26fb4be48e4966e4b1d97c2165538d4ef (diff) | |
| download | ffmpeg-60765cc42e3eb4a1193ef352a89946113a6e5802.tar.gz | |
avcodec/pixlet: Fix runtime error: signed integer overflow: 436207616 * -5160230545260541 cannot be represented in type 'long'
Fixes: 1462/clusterfuzz-testcase-minimized-6558894463647744
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/pixlet.c')
| -rw-r--r-- | libavcodec/pixlet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pixlet.c b/libavcodec/pixlet.c index d031305155..ccfd267557 100644 --- a/libavcodec/pixlet.c +++ b/libavcodec/pixlet.c @@ -256,7 +256,7 @@ static int read_high_coeffs(AVCodecContext *avctx, uint8_t *src, int16_t *dst, i j = 0; dst += stride; } - state += (int64_t)d * yflag - (d * state >> 8); + state += (int64_t)d * yflag - ((int64_t)(d * (uint64_t)state) >> 8); flag = 0; |