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oggdec: check memory allocation

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(cherry picked from commit ba064ebe48376e199f353ef0b335ed8a39c638c5)

Conflicts:

	libavformat/oggdec.c
This commit is contained in:
Luca Barbato 2012-12-22 17:58:24 +01:00 committed by Reinhard Tartler
parent c3761b6618
commit fe4409a396
1 changed files with 9 additions and 2 deletions
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11
libavformat/oggdec.c
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@ -159,8 +159,13 @@ ogg_new_stream (AVFormatContext * s, uint32_t serial)
AVStream *st;
struct ogg_stream *os;
ogg->streams = av_realloc (ogg->streams,
ogg->nstreams * sizeof (*ogg->streams));
os = av_realloc (ogg->streams, ogg->nstreams * sizeof (*ogg->streams));
if (!os)
return AVERROR(ENOMEM);
ogg->streams = os;
memset (ogg->streams + idx, 0, sizeof (*ogg->streams));
os = ogg->streams + idx;
os->serial = serial;
@ -279,6 +284,8 @@ ogg_read_page (AVFormatContext * s, int *str)
if (os->bufsize - os->bufpos < size){
uint8_t *nb = av_malloc ((os->bufsize *= 2) + FF_INPUT_BUFFER_PADDING_SIZE);
if (!nb)
return AVERROR(ENOMEM);
memcpy (nb, os->buf, os->bufpos);
av_free (os->buf);
os->buf = nb;