The commit d7f4ad88a0df3c1339e142957bf2c40cd056b8ce introduced a race condition where the passed opaque pointer reference might be NULL, when the decoding process starts. This patch checks that vtctx has a value before accessing it.
This patch fixes #10079. Signed-off-by: Alessandro Di Nepi <alessandro.din...@gmail.com> --- libavcodec/videotoolbox.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c index 1b1be8ddb4..615e2b087a 100644 --- a/libavcodec/videotoolbox.c +++ b/libavcodec/videotoolbox.c @@ -692,6 +692,11 @@ static void videotoolbox_decoder_callback(void *opaque, { VTContext *vtctx = opaque; + if (!vtctx) { + av_log(NULL, AV_LOG_WARNING, "vt decoder cb: vt context is null"); + return; + } + if (vtctx->frame) { CVPixelBufferRelease(vtctx->frame); vtctx->frame = NULL; -- 2.37.1 (Apple Git-137.1) _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".