diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-27 15:10:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 00:21:49 +0200 |
| commit | 484ce1af757a50b2f99b6d504303b47f71e4d163 (patch) | |
| tree | 71a9cf9f45580da967d324d076d40be7d95ff46f | |
| parent | 175a569f5bfae35509474f6e85e86932974c6bac (diff) | |
| download | ffmpeg-484ce1af757a50b2f99b6d504303b47f71e4d163.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>
(cherry picked from commit a78ae465fda902565ed041d93403e04490b4be0d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -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 5470b661c3..11759071da 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -757,7 +757,8 @@ 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)--; |