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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-27 15:10:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-04 20:42:54 +0200 |
| commit | a78ae465fda902565ed041d93403e04490b4be0d (patch) | |
| tree | 7b8b7a9535782c6438bdf00ffcf67951a00df639 /libavcodec/mjpegdec.c | |
| parent | fc4f88375b8aa99495a3a774611132a77ca2e11b (diff) | |
| download | ffmpeg-a78ae465fda902565ed041d93403e04490b4be0d.tar.gz | |
avcodec/mjpegdec: Fix runtime error: signed integer overflow: -24543 * 2031616 cannot be represented in type 'int'
Fixes: 943/clusterfuzz-testcase-5114865297391616
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/mjpegdec.c')
| -rw-r--r-- | libavcodec/mjpegdec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index a86f6b2642..ed381de66a 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -776,7 +776,8 @@ static int decode_block_progressive(MJpegDecodeContext *s, int16_t *block, uint16_t *quant_matrix, int ss, int se, int Al, int *EOBRUN) { - int code, i, j, level, val, run; + int code, i, j, val, run; + unsigned level; if (*EOBRUN) { (*EOBRUN)--; |