Message ID | 20201016113029.25585-3-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 01bb12f883dccc419317516e093fdc6dfa41bc31 |
Headers | show |
Series | [FFmpeg-devel,1/3] avcodec/hevc_mvs: Cleanup ff_hevc_set_neighbour_available() | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
andriy/PPC64_make | warning | Make failed |
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index a43474d437..93ac1cd9f0 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1614,7 +1614,10 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, case AV_CODEC_ID_MP1: return 384; case AV_CODEC_ID_ATRAC1: return 512; case AV_CODEC_ID_ATRAC9: - case AV_CODEC_ID_ATRAC3: return 1024 * framecount; + case AV_CODEC_ID_ATRAC3: + if (framecount > INT_MAX/1024) + return 0; + return 1024 * framecount; case AV_CODEC_ID_ATRAC3P: return 2048; case AV_CODEC_ID_MP2: case AV_CODEC_ID_MUSEPACK7: return 1152;
Fixes: signed integer overflow: 1024 * 13129048 cannot be represented in type 'int' Fixes: 26378/clusterfuzz-testcase-minimized-ffmpeg_dem_CODEC2RAW_fuzzer-5634018353348608 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/utils.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)