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mpeg4audio: check the init_get_bits() return value

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Fixes possible invalid reads.

CC:libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2015-01-01 17:56:56 +01:00
parent 2dbd35b00c
commit 7e4e010b80
1 changed files with 4 additions and 2 deletions
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6
libavcodec/mpeg4audio.c
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@ -80,9 +80,11 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
int bit_size, int sync_extension)
{
GetBitContext gb;
int specific_config_bitindex;
int specific_config_bitindex, ret;
init_get_bits(&gb, buf, bit_size);
ret = init_get_bits(&gb, buf, bit_size);
if (ret < 0)
return ret;
c->object_type = get_object_type(&gb);
c->sample_rate = get_sample_rate(&gb, &c->sampling_index);
c->chan_config = get_bits(&gb, 4);