Am 15.09.22 um 20:42 schrieb Thilo Borgmann:
If create_cv_pixel_buffer() fails, pixel_buffer_info might get into CFRelease() 
containing an arbitrary value.
---
  libavcodec/videotoolboxenc.c | 4 +---
  1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index bb3065d1d5..dc9e321d3d 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -1440,7 +1440,7 @@ static int vtenc_create_encoder(AVCodecContext   *avctx,
  static int vtenc_configure_encoder(AVCodecContext *avctx)
  {
      CFMutableDictionaryRef enc_info;
-    CFMutableDictionaryRef pixel_buffer_info;
+    CFMutableDictionaryRef pixel_buffer_info = NULL;
      CMVideoCodecType       codec_type;
      VTEncContext           *vtctx = avctx->priv_data;
      CFStringRef            profile_level = NULL;
@@ -1517,8 +1517,6 @@ static int vtenc_configure_encoder(AVCodecContext *avctx)
          status = create_cv_pixel_buffer_info(avctx, &pixel_buffer_info);
          if (status)
              goto init_cleanup;
-    } else {
-        pixel_buffer_info = NULL;
      }
vtctx->dts_delta = vtctx->has_b_frames ? -1 : 0;

LGTM's by ePirat on IRC. Pushed.

Thanks,
Thilo
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