XQuartz: Check for allocated memory before using it in AppleWMSetWindowMenu

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit 3bc608a361a01043b226fb9aaebf88f6fd852925)

1 files changed, 7 insertions, 0 deletions

diff --git a/hw/xquartz/applewm.c b/hw/xquartz/applewm.c
index aea0a45f2..c4e5f4a71 100644
--- a/hw/xquartz/applewm.c
+++ b/hw/xquartz/applewm.c
@@ -378,6 +378,13 @@ ProcAppleWMSetWindowMenu(register ClientPtr client)
     items = malloc(sizeof(char *) * nitems);
     shortcuts = malloc(sizeof(char) * nitems);
 
+    if (!items || !shortcuts) {
+        free(items);
+        free(shortcuts);
+
+        return BadAlloc;
+    }
+
     max_len = (stuff->length << 2) - sizeof(xAppleWMSetWindowMenuReq);
     bytes = (char *)&stuff[1];