diff --git a/media/renderers/video_resource_updater.cc b/media/renderers/video_resource_updater.cc
index 0000000000..1111111111 100644
--- a/media/renderers/video_resource_updater.cc
+++ b/media/renderers/video_resource_updater.cc
@@ -853,7 +853,33 @@ void VideoResourceUpdater::ObtainTextureBackedFrameResource(
   }

 #if BUILDFLAG(IS_ANDROID)
-  transfer_resource.ycbcr_info = video_frame->metadata().ycbcr_info;
+  // ---------------------------------------------------------------------------
+  // POC: simulate a compromised renderer fabricating VulkanYCbCrInfo on a
+  // TransferableResource that is shipped to the GPU process via
+  // viz::mojom::CompositorFrameSink::SubmitCompositorFrame.
+  //
+  // The GPU-process compatibility check (DawnYCbCrVkDescriptorsAreCompatible
+  // in image_context_impl.cc) only compares vkFormat / externalFormat /
+  // forceExplicitReconstruction, so we copy those from the legitimate driver-
+  // derived info and overwrite the unchecked fields.
+  // ---------------------------------------------------------------------------
+  if (video_frame->metadata().ycbcr_info) {
+    gpu::VulkanYCbCrInfo evil = *video_frame->metadata().ycbcr_info;
+    // Lie that the format supports linear chroma filtering. This causes
+    // ToDawnYCbCrVkDescriptor() to set vkChromaFilter = wgpu::FilterMode::Linear,
+    // which is forwarded to vkCreateSamplerYcbcrConversion via
+    // dawn::native::vulkan::CreateSamplerYCbCrConversion without checking
+    // whether the real format actually advertises
+    // VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT.
+    // -> VUID-VkSamplerYcbcrConversionCreateInfo-chromaFilter-01657 violation.
+    evil.format_features = 0x40000u;  // ..._LINEAR_FILTER_BIT
+    // The remaining enum fields are now range-checked by mojom traits, so
+    // keep them in-range. They are still ignored by the compatibility check.
+    transfer_resource.ycbcr_info = evil;
+  } else {
+    transfer_resource.ycbcr_info = video_frame->metadata().ycbcr_info;
+  }
   transfer_resource.is_backed_by_surface_view =
       video_frame->metadata().in_surface_view;
 #endif