diff --git a/src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs b/src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs
index fd9a1e83b..431042c9c 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs
@@ -185,6 +185,16 @@ namespace Ryujinx.Graphics.Gpu.Image
 
             if (texture == null)
             {
+                // A pool index may point at an uninitialized guest heap slot. Validate the
+                // descriptor address before decoding format, dimensions, or layout fields.
+                ulong address = descriptor.UnpackAddress();
+
+                if (address == 0 || !_channel.MemoryManager.IsMapped(address))
+                {
+                    _invalidMap.Set(id);
+                    return ref descriptor;
+                }
+
                 if (_invalidMap.IsSet(id))
                 {
                     return ref descriptor;
diff --git a/src/Ryujinx.Graphics.Vulkan/TextureArray.cs b/src/Ryujinx.Graphics.Vulkan/TextureArray.cs
index 2511f5711..8971e1eb9 100644
--- a/src/Ryujinx.Graphics.Vulkan/TextureArray.cs
+++ b/src/Ryujinx.Graphics.Vulkan/TextureArray.cs
@@ -54,6 +54,12 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void SetSamplers(int index, ISampler[] samplers)
         {
+            // Buffer textures use VkBufferView descriptors and do not have samplers.
+            if (_isBuffer)
+            {
+                return;
+            }
+
             for (int i = 0; i < samplers.Length; i++)
             {
                 ISampler sampler = samplers[i];
@@ -109,6 +115,13 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void QueueWriteToReadBarriers(CommandBufferScoped cbs, PipelineStageFlags stageFlags)
         {
+            // Texture-buffer arrays contain buffer views rather than image TextureStorage refs.
+            // Buffer synchronization is handled when BufferManager binds their storage.
+            if (_isBuffer)
+            {
+                return;
+            }
+
             HashSet<TextureStorage> storages = _storages;
 
             if (storages == null)