@@ -141,7 +141,7 @@ typedef struct DiracContext {
GetBitContext gb;
AVDiracSeqHeader seq;
int seen_sequence_header;
- int frame_number; /* number of the next frame to display */
+ int64_t frame_number; /* number of the next frame to display */
Plane plane[3];
int chroma_x_shift;
int chroma_y_shift;
@@ -2310,7 +2310,7 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}
if (*got_frame)
- s->frame_number = picture->display_picture_number + 1;
+ s->frame_number = picture->display_picture_number + 1LL;
return buf_idx;
}
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 9291/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6324345860259840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/diracdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)