diff --git a/src/include/dawn_native/VulkanBackend.h b/src/include/dawn_native/VulkanBackend.h
index b144e4e..0965871 100644
--- a/src/include/dawn_native/VulkanBackend.h
+++ b/src/include/dawn_native/VulkanBackend.h
@@ -34,7 +34,10 @@
 
 // Can't use DAWN_PLATFORM_LINUX since header included in both dawn and chrome
 #ifdef __linux__
-        // Common properties of external images represented by FDs
+        // Common properties of external images represented by FDs. On successful import the file
+        // descriptor's ownership is transferred to the Dawn implementation and they shouldn't be
+        // used outside of Dawn again. TODO(enga): Also transfer ownership in the error case so the
+        // caller can assume the FD is always consumed.
         struct DAWN_NATIVE_EXPORT ExternalImageDescriptorFD : ExternalImageDescriptor {
           public:
             int memoryFD;  // A file descriptor from an export of the memory of the image
diff --git a/src/tests/white_box/VulkanImageWrappingTestsOpaqueFD.cpp b/src/tests/white_box/VulkanImageWrappingTestsOpaqueFD.cpp
index 8e3dc8a..3fc37cf 100644
--- a/src/tests/white_box/VulkanImageWrappingTestsOpaqueFD.cpp
+++ b/src/tests/white_box/VulkanImageWrappingTestsOpaqueFD.cpp
@@ -34,7 +34,6 @@
             void SetUp() override {
                 DawnTest::SetUp();
                 DAWN_SKIP_TEST_IF(UsesWire());
-                DAWN_SKIP_TEST_IF(IsSwiftshader());
 
                 deviceVk = reinterpret_cast<dawn_native::vulkan::Device*>(device.Get());
             }
@@ -202,7 +201,7 @@
       public:
         void SetUp() override {
             VulkanImageWrappingTestBase::SetUp();
-            if (UsesWire() || IsSwiftshader()) {
+            if (UsesWire()) {
                 return;
             }
 
@@ -220,7 +219,7 @@
         }
 
         void TearDown() override {
-            if (UsesWire() || IsSwiftshader()) {
+            if (UsesWire()) {
                 VulkanImageWrappingTestBase::TearDown();
                 return;
             }
@@ -354,7 +353,7 @@
       public:
         void SetUp() override {
             VulkanImageWrappingTestBase::SetUp();
-            if (UsesWire() || IsSwiftshader()) {
+            if (UsesWire()) {
                 return;
             }
 
@@ -382,7 +381,7 @@
         }
 
         void TearDown() override {
-            if (UsesWire() || IsSwiftshader()) {
+            if (UsesWire()) {
                 VulkanImageWrappingTestBase::TearDown();
                 return;
             }
@@ -488,13 +487,17 @@
     // alias the same memory
     TEST_P(VulkanImageWrappingUsageTests, ClearImageAcrossDevicesAliased) {
         DAWN_SKIP_TEST_IF(UsesWire());
+
+        // WrapVulkanImage consumes the file descriptor so we can't import defaultFd twice.
+        // Duplicate the file descriptor so we can import it twice.
+        int defaultFdCopy = dup(defaultFd);
+        ASSERT(defaultFdCopy != -1);
+
         // Import the image on |device
         wgpu::Texture wrappedTextureAlias =
-            WrapVulkanImage(device, &defaultDescriptor, defaultFd, defaultAllocationSize,
+            WrapVulkanImage(device, &defaultDescriptor, defaultFdCopy, defaultAllocationSize,
                             defaultMemoryTypeIndex, {});
 
-        int memoryFd = GetMemoryFd(deviceVk, defaultAllocation);
-
         // Import the image on |secondDevice|
         wgpu::Texture wrappedTexture =
             WrapVulkanImage(secondDevice, &defaultDescriptor, defaultFd, defaultAllocationSize,
@@ -507,7 +510,7 @@
                                                                           wrappedTexture.Get());
 
         // Import the image to |device|, making sure we wait on signalFd
-        memoryFd = GetMemoryFd(deviceVk, defaultAllocation);
+        int memoryFd = GetMemoryFd(deviceVk, defaultAllocation);
         wgpu::Texture nextWrappedTexture =
             WrapVulkanImage(device, &defaultDescriptor, memoryFd, defaultAllocationSize,
                             defaultMemoryTypeIndex, {signalFd});