From e9802940f00aba180f48f15b5d7ea6877dc3bc44 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rafa=C5=82=20Wojdy=C5=82a?= <omeg@invisiblethingslab.com>
Date: Tue, 12 Dec 2023 10:38:45 +0100
Subject: [PATCH] __CaptureUserBuffer(): zero CapturedBuffer on failure in all
 cases
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Signed-off-by: Rafał Wojdyła <omeg@invisiblethingslab.com>
---
 src/xeniface/ioctls.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xeniface/ioctls.c b/src/xeniface/ioctls.c
index 6298fef..479f0f6 100644
--- a/src/xeniface/ioctls.c
+++ b/src/xeniface/ioctls.c
@@ -56,8 +56,10 @@ __CaptureUserBuffer(
 
     Status = STATUS_NO_MEMORY;
     TempBuffer = __AllocatePoolWithTag(NonPagedPool, Length, XENIFACE_POOL_TAG);
-    if (TempBuffer == NULL)
+    if (TempBuffer == NULL) {
+        *CapturedBuffer = NULL;
         return STATUS_INSUFFICIENT_RESOURCES;
+    }
 
     Status = STATUS_SUCCESS;
 
-- 
2.39.5