avcodec/wmalosslessdec: Fix integer overflow with sliding in padding bits

[ffmpeg] / libavcodec / qtrle.c

diff --git a/libavcodec/qtrle.c b/libavcodec/qtrle.c
index 2793eb91f647c544bbaabe75ebd0d6bf22a4d702..52394f526404bf79a3910531f32b7a8a2e006bd2 100644 (file)
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@@ -490,7 +490,7 @@ static int qtrle_decode_frame(AVCodecContext *avctx,
         start_line = 0;
         height     = s->avctx->height;
     }
-    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
+    if ((ret = ff_reget_buffer(avctx, s->frame, 0)) < 0)
         return ret;
 
     row_ptr = s->frame->linesize[0] * start_line;
@@ -576,7 +576,6 @@ static void qtrle_decode_flush(AVCodecContext *avctx)
 {
     QtrleContext *s = avctx->priv_data;
 
-    memset(s->pal, 0, sizeof(s->pal));
     av_frame_unref(s->frame);
 }