avcodec/dxv: Check remaining bytes in dxv_decompress_raw()

[android-x86/external-ffmpeg.git] / libavcodec / dxv.c

diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c
index 4b1c2d2..6f3c075 100644 (file)
--- a/libavcodec/dxv.c
+++ b/libavcodec/dxv.c
@@ -335,6 +335,9 @@ static int dxv_decompress_raw(AVCodecContext *avctx)
     DXVContext *ctx = avctx->priv_data;
     GetByteContext *gbc = &ctx->gbc;
 
+    if (bytestream2_get_bytes_left(gbc) < ctx->tex_size)
+        return AVERROR_INVALIDDATA;
+
     bytestream2_get_buffer(gbc, ctx->tex_data, ctx->tex_size);
     return 0;
 }