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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-02-03 21:36:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-26 02:16:48 +0200 |
| commit | eb60b9d3aaaa42265fb1960be6fff6383cfdbf37 (patch) | |
| tree | dec6c5fb874b0fae263974571cca53941d2a6c9d | |
| parent | e529fe7633762cb26a665fb6dee3be29b15285cc (diff) | |
| download | ffmpeg-eb60b9d3aaaa42265fb1960be6fff6383cfdbf37.tar.gz | |
avformat/mov: Move +1 in check to avoid hypothetical overflow in add_ctts_entry()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mov.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 33126781a0..cb6f3a45de 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -3256,7 +3256,7 @@ static int64_t add_ctts_entry(MOVStts** ctts_data, unsigned int* ctts_count, uns FFMAX(min_size_needed, 2 * (*allocated_size)) : min_size_needed; - if((unsigned)(*ctts_count) + 1 >= UINT_MAX / sizeof(MOVStts)) + if((unsigned)(*ctts_count) >= UINT_MAX / sizeof(MOVStts) - 1) return -1; ctts_buf_new = av_fast_realloc(*ctts_data, allocated_size, requested_size); |