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Code Issues Releases Activity

alsdec/read_specific_config: check for init_get_bits failure

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This also fixes a potential integer overflow

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Thilo Borgmann <thilo.borgmann@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-27 22:36:37 +01:00
parent 1146bbc5a6
commit 4484c722f6
1 changed files with 3 additions and 1 deletions
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4
libavcodec/alsdec.c
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@ -289,8 +289,10 @@ static av_cold int read_specific_config(ALSDecContext *ctx)
ALSSpecificConfig *sconf = &ctx->sconf; ALSSpecificConfig *sconf = &ctx->sconf;
AVCodecContext *avctx = ctx->avctx; AVCodecContext *avctx = ctx->avctx;
uint32_t als_id, header_size, trailer_size; uint32_t als_id, header_size, trailer_size;
int ret;
init_get_bits(&gb, avctx->extradata, avctx->extradata_size * 8); if ((ret = init_get_bits8(&gb, avctx->extradata, avctx->extradata_size)) < 0)
return ret;
config_offset = avpriv_mpeg4audio_get_config(&m4ac, avctx->extradata, config_offset = avpriv_mpeg4audio_get_config(&m4ac, avctx->extradata,
avctx->extradata_size * 8, 1); avctx->extradata_size * 8, 1);