shithub: opus

Info  •  Files  •  Log  •  Branches

Prevent out of bounds access to collapse_masks.

--- a/libcelt/bands.c

+++ b/libcelt/bands.c

@@ -1186,7 +1186,7 @@

          x_cm = y_cm = 0;

          fold_i = fold_start; do {

            x_cm |= collapse_masks[fold_i*C+0];

-           y_cm |= collapse_masks[fold_i*C+1];

+           y_cm |= collapse_masks[fold_i*C+C-1];

          } while (++fold_i<fold_end);

       }

       /* Otherwise, we'll be using the LCG to fold, so all blocks will (almost