From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavfilter/vf_showinfo.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index 79b79db2d3..71534d1fa8 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -318,6 +318,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
*frame)
break;
case AV_FRAME_DATA_S12M_TIMECODE: {
uint32_t *tc = (uint32_t*)sd->data;
+ if (sd->size != 16) {
+ av_log(ctx, AV_LOG_ERROR, "invalid data");
+ break;
+ }
for (int j = 1; j <= tc[0]; j++) {
char tcbuf[AV_TIMECODE_STR_SIZE];
av_timecode_make_smpte_tc_string(tcbuf, tc[j], 0);
--
2.21.0
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