avformat/tiertexseq: Cleanup on error

Fixes: memleak
Fixes: 15122/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5685964636160000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-06-08 09:25:27 +02:00
parent 902b06f2d4
commit 8e3e63e9ac

View File

@ -202,16 +202,20 @@ static int seq_read_header(AVFormatContext *s)
/* init internal buffers */
rc = seq_init_frame_buffers(seq, pb);
if (rc)
if (rc) {
seq_read_close(s);
return rc;
}
seq->current_frame_offs = 0;
/* preload (no audio data, just buffer operations related data) */
for (i = 1; i <= 100; i++) {
rc = seq_parse_frame_data(seq, pb);
if (rc)
if (rc) {
seq_read_close(s);
return rc;
}
}
seq->current_frame_pts = 0;
@ -220,8 +224,10 @@ static int seq_read_header(AVFormatContext *s)
/* initialize the video decoder stream */
st = avformat_new_stream(s, NULL);
if (!st)
if (!st) {
seq_read_close(s);
return AVERROR(ENOMEM);
}
avpriv_set_pts_info(st, 32, 1, SEQ_FRAME_RATE);
seq->video_stream_index = st->index;
@ -233,8 +239,10 @@ static int seq_read_header(AVFormatContext *s)
/* initialize the audio decoder stream */
st = avformat_new_stream(s, NULL);
if (!st)
if (!st) {
seq_read_close(s);
return AVERROR(ENOMEM);
}
st->start_time = 0;
avpriv_set_pts_info(st, 32, 1, SEQ_SAMPLE_RATE);