[ros-diffs] [reactos] 05/09: [WIN32K] Fix missing NULL check in IntCreateDIBitmap

[Timo Kreuzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=9fc56bfc9d34f1c69b18b…

commit 9fc56bfc9d34f1c69b18b28e433e494574a86641
Author:     Timo Kreuzer <timo.kreuzer(a)reactos.org>
AuthorDate: Mon Aug 8 09:40:40 2022 +0200
Commit:     Timo Kreuzer <timo.kreuzer(a)reactos.org>
CommitDate: Thu Dec 1 20:17:40 2022 +0200

    [WIN32K] Fix missing NULL check in IntCreateDIBitmap
---
 win32ss/gdi/ntgdi/dibobj.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/win32ss/gdi/ntgdi/dibobj.c b/win32ss/gdi/ntgdi/dibobj.c
index b7bf542446a..ec5fa69a469 100644
--- a/win32ss/gdi/ntgdi/dibobj.c
+++ b/win32ss/gdi/ntgdi/dibobj.c
@@ -1578,7 +1578,13 @@ IntCreateDIBitmap(
             Surface = SURFACE_ShareLockSurface(handle);
             ASSERT(Surface);
             Palette = CreateDIBPalette(data, Dc, coloruse);
-            ASSERT(Palette);
+            if (Palette == NULL)
+            {
+                SURFACE_ShareUnlockSurface(Surface);
+                GreDeleteObject(handle);
+                return NULL;
+            }
+
             SURFACE_vSetPalette(Surface, Palette);
 
             PALETTE_ShareUnlockPalette(Palette);