mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
avformat/hnm: check chunk_size == 0
Fixes potential infinite loop Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
parent
bd8d28e2d2
commit
5c4aa72b75
@ -148,7 +148,7 @@ static int hnm_read_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
chunk_id = avio_rl16(pb);
|
||||
avio_skip(pb, 2);
|
||||
|
||||
if (chunk_size > hnm->superchunk_remaining) {
|
||||
if (chunk_size > hnm->superchunk_remaining || !chunk_size) {
|
||||
av_log(s, AV_LOG_ERROR, "invalid chunk size: %u, offset: %u\n",
|
||||
chunk_size, (int) avio_tell(pb));
|
||||
avio_skip(pb, hnm->superchunk_remaining - 8);
|
||||
|
Loading…
Reference in New Issue
Block a user