From e1182fac1afba92a4975917823a5f644bee7e6e8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 21 May 2018 23:08:05 +0200 Subject: [PATCH] avcodec/mpeg4videoenc: Use 64 bit for times in mpeg4_encode_gop_header() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 , Marcel Böhme, Andrew Santosa and Alexandru RazvanCaciulescu with AFLSmart Signed-off-by: Michael Niedermayer --- libavcodec/mpeg4videoenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c index 494452c938..f6a5992df7 100644 --- a/libavcodec/mpeg4videoenc.c +++ b/libavcodec/mpeg4videoenc.c @@ -882,7 +882,7 @@ 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);