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Code Issues Releases Activity

ffserver: Replace one malloc(AVStream) by avformat_new_stream()

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This fixes a null pointer dereference from the recently introduced
AVStream->internal

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-11 21:04:01 +01:00
parent 351e625d60
commit 2ec18db75c
1 changed files with 7 additions and 6 deletions
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13
ffserver.c
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@ -3331,6 +3331,7 @@ static int rtp_new_av_stream(HTTPContext *c,
URLContext *h = NULL;
uint8_t *dummy_buf;
int max_packet_size;
void *st_internal;
/* now we can open the relevant output stream */
ctx = avformat_alloc_context();
@ -3338,14 +3339,13 @@ static int rtp_new_av_stream(HTTPContext *c,
return -1;
ctx->oformat = av_guess_format("rtp", NULL, NULL);
st = av_mallocz(sizeof(AVStream));
st = avformat_new_stream(ctx, NULL);
if (!st)
goto fail;
ctx->nb_streams = 1;
ctx->streams = av_mallocz_array(ctx->nb_streams, sizeof(AVStream *));
if (!ctx->streams)
goto fail;
ctx->streams[0] = st;
av_freep(&st->codec);
av_freep(&st->info);
st_internal = st->internal;
if (!c->stream->feed ||
c->stream->feed == c->stream)
@ -3355,6 +3355,7 @@ static int rtp_new_av_stream(HTTPContext *c,
c->stream->feed->streams[c->stream->feed_streams[stream_index]],
sizeof(AVStream));
st->priv_data = NULL;
st->internal = st_internal;
/* build destination RTP address */
ipaddr = inet_ntoa(dest_addr->sin_addr);