From ffad58fd2b329efd81a3239e9d7e3c927b8e503f Mon Sep 17 00:00:00 2001 From: Armin Novak Date: Sat, 28 Feb 2026 11:38:55 +0100 Subject: [PATCH] [cache,bitmap] overallocate bitmap cache --- libfreerdp/cache/bitmap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libfreerdp/cache/bitmap.c b/libfreerdp/cache/bitmap.c index 352917339ded..ed7c7a141c57 100644 --- a/libfreerdp/cache/bitmap.c +++ b/libfreerdp/cache/bitmap.c @@ -373,7 +373,10 @@ rdpBitmapCache* bitmap_cache_new(rdpContext* context) const UINT32 BitmapCacheV2NumCells = freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells); bitmapCache->context = context; - bitmapCache->cells = (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells, sizeof(BITMAP_V2_CELL)); + + /* overallocate by 1. older RDP servers do send a off by 1 cache index. */ + bitmapCache->cells = + (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells + 1ull, sizeof(BITMAP_V2_CELL)); if (!bitmapCache->cells) goto fail;