From b8627a63d89b578fce60767158ee20565210d0b4 Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Tue, 28 Apr 2015 20:31:56 +0200 Subject: [PATCH] nutdec: check for negative frame rate in decode_info_header A negative frame rate triggers an av_assert2 in av_rescale_rnd. Signed-off-by: Andreas Cadhalpun Signed-off-by: Michael Niedermayer (cherry picked from commit 6621105877ce0d65724a8ab60b3a50160adbe65d) Signed-off-by: Michael Niedermayer --- libavformat/nutdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index ef29bdf79c..287496ed51 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -553,7 +553,8 @@ static int decode_info_header(NUTContext *nut) if (stream_id_plus1 && !strcmp(name, "r_frame_rate")) { sscanf(str_value, "%d/%d", &st->r_frame_rate.num, &st->r_frame_rate.den); - if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den) + if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den || + st->r_frame_rate.num < 0 || st->r_frame_rate.num < 0) st->r_frame_rate.num = st->r_frame_rate.den = 0; continue; }