Previously the message was cut off at 256th byte.
Signed-off-by: Vittorio Giovara <[email protected]>
---
libavcodec/h264_sei.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
index ddf1b6f..6426193 100644
--- a/libavcodec/h264_sei.c
+++ b/libavcodec/h264_sei.c
@@ -215,13 +215,17 @@ static int decode_registered_user_data(H264Context *h,
int size)
static int decode_unregistered_user_data(H264Context *h, int size)
{
- uint8_t user_data[16 + 256];
+ uint8_t *user_data;
int e, build, i;
- if (size < 16)
+ if (size < 16 || size >= INT_MAX - 16)
return AVERROR_INVALIDDATA;
- for (i = 0; i < sizeof(user_data) - 1 && i < size; i++)
+ user_data = av_malloc(16 + size);
+ if (!user_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < size + 16; i++)
user_data[i] = get_bits(&h->gb, 8);
user_data[i] = 0;
@@ -235,6 +239,7 @@ static int decode_unregistered_user_data(H264Context *h,
int size)
for (; i < size; i++)
skip_bits(&h->gb, 8);
+ av_free(user_data);
return 0;
}
--
1.9.5 (Apple Git-50.3)
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