On 8/10/2019 12:53 PM, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavformat/dump.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/libavformat/dump.c b/libavformat/dump.c
> index 68ce9a8..4b18032 100644
> --- a/libavformat/dump.c
> +++ b/libavformat/dump.c
> @@ -328,6 +328,11 @@ static void dump_cpb(void *ctx, AVPacketSideData *sd)
>
> static void dump_mastering_display_metadata(void *ctx, AVPacketSideData* sd)
> {
> AVMasteringDisplayMetadata* metadata =
> (AVMasteringDisplayMetadata*)sd->data;
> +
> + if (sd->size < sizeof(*metadata)) {
> + av_log(ctx, AV_LOG_ERROR, "invalid data");
> + return;
> + }
> av_log(ctx, AV_LOG_INFO, "Mastering Display Metadata, "
> "has_primaries:%d has_luminance:%d "
> "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f) "
> @@ -346,6 +351,11 @@ static void dump_mastering_display_metadata(void *ctx,
> AVPacketSideData* sd) {
> static void dump_content_light_metadata(void *ctx, AVPacketSideData* sd)
> {
> AVContentLightMetadata* metadata = (AVContentLightMetadata*)sd->data;
> +
> + if (sd->size < sizeof(*metadata)) {
> + av_log(ctx, AV_LOG_ERROR, "invalid data");
> + return;
> + }
> av_log(ctx, AV_LOG_INFO, "Content Light Level Metadata, "
> "MaxCLL=%d, MaxFALL=%d",
> metadata->MaxCLL, metadata->MaxFALL);
No, the size of both structs is not part of the ABI.
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