daniel/MontaukOS
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: multi-user system, bug fixes, security & performance fixes, and more

Browse Source
This commit is contained in:
Daniel Hammer
2026-03-14 13:28:46 +01:00
parent 576ad34f95
commit 261b536041
389 changed files with 231853 additions and 591 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/src/Api/WinServer.cpp
+3 -3
View File
@@ -29,8 +29,8 @@ namespace WinServer {
}
if (slotIdx < 0) return -1;
// Validate dimensions
if (w <= 0 || h <= 0) return -1;
// Validate dimensions (cap at 16384 to prevent integer overflow in w*h*4)
if (w <= 0 || h <= 0 || w > 16384 || h > 16384) return -1;
uint64_t bufSize = (uint64_t)w * h * 4;
int numPages = (int)((bufSize + 0xFFF) / 0x1000);
if (numPages > MaxPixelPages) return -1;
@@ -207,7 +207,7 @@ namespace WinServer {
if (windowId < 0 || windowId >= MaxWindows) return -1;
WindowSlot& slot = g_slots[windowId];
if (!slot.used || slot.ownerPid != callerPid) return -1;
if (newW <= 0 || newH <= 0) return -1;
if (newW <= 0 || newH <= 0 || newW > 16384 || newH > 16384) return -1;
if (newW == slot.width && newH == slot.height) {
outVa = slot.ownerVa;
return 0;