Fixes invalid reads.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:[email protected]
---
libavcodec/h264.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 9817d20..ed5aea8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3348,7 +3348,7 @@ static int decode_slice_header(H264Context *h,
H264Context *h0)
first_mb_in_slice = get_ue_golomb(&h->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h0->current_slice && FIELD_PICTURE(h)) {
+ if (h0->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
field_end(h, 1);
}
--
1.7.10.4
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