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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-17 22:57:28 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-02 14:18:22 +0100 |
| commit | a296ecaa71be186f2001a1cb156b9bc5f9d28e23 (patch) | |
| tree | da2239ad1bd786fae5288bafe51dadd76aa09312 | |
| parent | d4e071be5cc491c9ca8de8877af855ae2e1cb90d (diff) | |
| download | ffmpeg-a296ecaa71be186f2001a1cb156b9bc5f9d28e23.tar.gz | |
avformat/tta: Use 64bit intermediate for index
Fixes: signed integer overflow: 42032 * 51092 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6679539648430080
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fd61b42b4c8709a7888fa5c9cce0c19d754e39fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/tta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/tta.c b/libavformat/tta.c index 467c24455c..07faa82eb3 100644 --- a/libavformat/tta.c +++ b/libavformat/tta.c @@ -119,7 +119,7 @@ static int tta_read_header(AVFormatContext *s) for (i = 0; i < c->totalframes; i++) { uint32_t size = avio_rl32(s->pb); int r; - if ((r = av_add_index_entry(st, framepos, i * c->frame_size, size, 0, + if ((r = av_add_index_entry(st, framepos, i * (int64_t)c->frame_size, size, 0, AVINDEX_KEYFRAME)) < 0) return r; framepos += size; |