From a254aff64321fa41a6cb6ee3a4095d711dd8fae5 Mon Sep 17 00:00:00 2001
From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Date: Tue, 2 Aug 2022 13:09:44 +0300
Subject: [PATCH] anv: prevent trying to mmap non host visible memory

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17873>
---
 src/intel/vulkan/anv_device.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index a355751a6ba..a1eca83cdce 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -4171,6 +4171,16 @@ VkResult anv_MapMemory(
       return VK_SUCCESS;
    }
 
+   /* From the Vulkan spec version 1.0.32 docs for MapMemory:
+    *
+    *  * memory must have been created with a memory type that reports
+    *    VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
+    */
+   if (!(mem->type->propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)) {
+      return vk_errorf(device, VK_ERROR_MEMORY_MAP_FAILED,
+                       "Memory object not mappable.");
+   }
+
    if (size == VK_WHOLE_SIZE)
       size = mem->bo->size - offset;