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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-12 23:33:06 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 14:54:16 +0300 |
| commit | 16629cf4a6a70ce1727a26f1c31f9a294c85013d (patch) | |
| tree | 57384412f2285b9196d71abf276df84220c5e10e | |
| parent | 6785185ea55a0a479195bf9b588f2f8c2de71563 (diff) | |
avformat/utils: Use 64bit earlier in r_frame_rate check
Fixes: signed integer overflow: 1406796319 * 2 cannot be represented in type 'int'
Fixes: 32777/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5632576913014784
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 578633fc1ac8c02a36a706bd71f775550412d1e1)
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 f49fa0fd77..bc07000e15 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -4038,7 +4038,7 @@ 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 * (uint64_t) st->time_base.den) { + <= avctx->time_base.num * (uint64_t)avctx->ticks_per_frame * 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 { |