error_conceal: fix FPE in guess_dc() with huge sizes.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · cc415956a4
parent ac2cb27916
commit cc415956a4
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@ -174,7 +174,7 @@ static void guess_dc(MpegEncContext *s, int16_t *dc, int w,
 {
    int b_x, b_y;
    int16_t  (*col )[4] = av_malloc(stride*h*sizeof( int16_t)*4);
-    uint16_t (*dist)[4] = av_malloc(stride*h*sizeof(uint16_t)*4);
+    uint32_t (*dist)[4] = av_malloc(stride*h*sizeof(uint32_t)*4);

    for(b_y=0; b_y<h; b_y++){
        int color= 1024;