From f37b2d5a6884c7bea87a6c7454239381449bd637 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 17 Dec 2011 05:02:11 +0100 Subject: [PATCH] aacdec: Fix null pointer crash Fixes bug170 Bug found by: Gautam Gupta Signed-off-by: Michael Niedermayer --- libavcodec/mpeg4audio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/mpeg4audio.c b/libavcodec/mpeg4audio.c index 67445935c4..abd3fa4a9b 100644 --- a/libavcodec/mpeg4audio.c +++ b/libavcodec/mpeg4audio.c @@ -82,6 +82,9 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, GetBitContext gb; int specific_config_bitindex; + if(bit_size<=0) + return AVERROR_INVALIDDATA; + init_get_bits(&gb, buf, bit_size); c->object_type = get_object_type(&gb); c->sample_rate = get_sample_rate(&gb, &c->sampling_index); -- 2.11.0