diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-30 00:26:30 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-31 01:32:42 +0400 |
| commit | e146ad95d79b1a6e6b9e566366b832825c79679f (patch) | |
| tree | 38cba898788c00a2e01e1af2e6dbdf63bde07210 /libavcodec/mlp_parser.c | |
| parent | bace181b48852ac668599a61d68dbc6eeb96c2e3 (diff) | |
mlp_parser: Fix infinite loop with 0 bytes_left.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mlp_parser.c')
| -rw-r--r-- | libavcodec/mlp_parser.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/mlp_parser.c b/libavcodec/mlp_parser.c index 4ceea5e9e1..f31e2d5727 100644 --- a/libavcodec/mlp_parser.c +++ b/libavcodec/mlp_parser.c @@ -263,6 +263,9 @@ static int mlp_parse(AVCodecParserContext *s, mp->bytes_left = ((mp->pc.index > 0 ? mp->pc.buffer[0] : buf[0]) << 8) | (mp->pc.index > 1 ? mp->pc.buffer[1] : buf[1-mp->pc.index]); mp->bytes_left = (mp->bytes_left & 0xfff) * 2; + if (mp->bytes_left <= 0) { // prevent infinite loop + goto lost_sync; + } mp->bytes_left -= mp->pc.index; } |