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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-05-21 23:08:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-10 01:52:56 +0200 |
| commit | 6bbef938839adc55e8e048bc9cc2e0fafe2064df (patch) | |
| tree | 67dd2cbbd226574d633ef868e829a64b5c9b6dd2 | |
| parent | 3d4e0858d68bce81f25bbab4ac912d971175daaf (diff) | |
| download | ffmpeg-6bbef938839adc55e8e048bc9cc2e0fafe2064df.tar.gz | |
avcodec/mpeg4videoenc: Use 64 bit for times in mpeg4_encode_gop_header()
Fixes truncation
Fixes Assertion n <= 31 && value < (1U << n) failed at libavcodec/put_bits.h:169
Fixes: ffmpeg_crash_2.avi
Found-by: Thuan Pham <thuanpv@comp.nus.edu.sg>, Marcel Böhme, Andrew Santosa and Alexandru RazvanCaciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e1182fac1afba92a4975917823a5f644bee7e6e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mpeg4videoenc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c index b3ad4f9042..0cde63ba4e 100644 --- a/libavcodec/mpeg4videoenc.c +++ b/libavcodec/mpeg4videoenc.c @@ -910,7 +910,7 @@ void ff_set_mpeg4_time(MpegEncContext *s) static void mpeg4_encode_gop_header(MpegEncContext *s) { - int hours, minutes, seconds; + int64_t hours, minutes, seconds; int64_t time; put_bits(&s->pb, 16, 0); |