| Message ID | 20180605004746.13051-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 936f4a2c2e14ec753e8835f2e820b4cd9aec9a56 |
| Headers | show |
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 22ca69f841..d1dca84d36 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1078,7 +1078,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p return -1; left[i] = buffer[mb_x][i] = - mask & (pred + (dc * (1 << point_transform))); + mask & (pred + (unsigned)(dc * (1 << point_transform))); } if (s->restart_interval && !--s->restart_count) {
Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int' Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/mjpegdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)