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avcodec/h264_sei: fix the size of user data unregistered 

According to the specifications, the payloadSize includes the 16-byte size of UUID.

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Limin Wang 2019-12-19 13:09:06 +08:00 committed by James Almer
parent a86bb2f606
commit 5e5bbd21e6
1 changed files with 3 additions and 3 deletions
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6
libavcodec/h264_sei.c
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@ -247,14 +247,14 @@ static int decode_unregistered_user_data(H264SEIUnregistered *h, GetBitContext *
uint8_t *user_data;
int e, build, i;
if (size < 16 || size >= INT_MAX - 16)
if (size < 16 || size >= INT_MAX - 1)
return AVERROR_INVALIDDATA;
user_data = av_malloc(16 + size + 1);
user_data = av_malloc(size + 1);
if (!user_data)
return AVERROR(ENOMEM);
for (i = 0; i < size + 16; i++)
for (i = 0; i < size; i++)
user_data[i] = get_bits(gb, 8);
user_data[i] = 0;