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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-15 23:23:55 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-16 15:13:30 +0100 |
| commit | f3d8f517dbc42de8e2f97cc01bf5171bb05fbcc7 (patch) | |
| tree | 97d739149471d9ab2c6971cf9d42539ba85f9022 | |
| parent | 347920ca2102d762e4713f101a2e75811791e2b3 (diff) | |
| download | ffmpeg-f3d8f517dbc42de8e2f97cc01bf5171bb05fbcc7.tar.gz | |
avformat/utils: Fix integer overflow with complex time bases in avformat_find_stream_info()
Fixes: signed integer overflow: 2045163756 * 2 cannot be represented in type 'int'
Fixes: Ticket5132
Found-by: tsmith
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index d5ad4ec4b0..123d67800b 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -4062,7 +4062,7 @@ FF_ENABLE_DEPRECATION_WARNINGS if (!st->r_frame_rate.num) { if ( avctx->time_base.den * (int64_t) st->time_base.num - <= avctx->time_base.num * avctx->ticks_per_frame * (int64_t) st->time_base.den) { + <= avctx->time_base.num * avctx->ticks_per_frame * (uint64_t) st->time_base.den) { av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, avctx->time_base.den, (int64_t)avctx->time_base.num * avctx->ticks_per_frame, INT_MAX); } else { |