comctl32: Safely handle large wParam in SB_GETPARTS.

Signed-off-by: Mark Jansen <mark.jansen@reactos.org> Signed-off-by: Thomas Faber <thomas.faber@reactos.org> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

comctl32: Safely handle large wParam in SB_GETPARTS.
bb24e756 · Mark Jansen · Alexandre Julliard · 0d439207 · bb24e756
Commit bb24e756 authored Nov 12, 2021 by Mark Jansen Committed by Alexandre Julliard Nov 12, 2021
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

status.c dlls/comctl32/status.c +2 -0

No files found.
--- a/dlls/comctl32/status.c
+++ b/dlls/comctl32/status.c
@@ -401,6 +401,8 @@ STATUSBAR_GetParts (const STATUS_INFO *infoPtr, INT num_parts, INT parts[])

    TRACE("(%d)\n", num_parts);
    if (parts) {
+        if (num_parts > infoPtr->numParts)
+            num_parts = infoPtr->numParts;
 	for (i = 0; i < num_parts; i++) {
 	    parts[i] = infoPtr->parts[i].x;
 	}