[POC] GL_RENDERER: ANGLE (Google, Vulkan 1.3.0 (SwiftShader Device (Subzero) (0x0000C0DE)), SwiftShader driver)
[POC] GL_VENDOR:   Google Inc. (Google)
[POC] Churning GPU memory with poison pattern 0xDEADBEEF...
[POC] Draw FBO status: COMPLETE
[POC] attempt 0 layer 0: nonzero=0/65536 poison-hits=0 first16=[00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
[POC] attempt 0 layer 1: nonzero=0/65536 poison-hits=0 first16=[00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
[POC] attempt 0 layer 2: nonzero=0/65536 poison-hits=0 first16=[00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
[POC] attempt 0 layer 3: nonzero=0/65536 poison-hits=0 first16=[00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
[POC] attempt 1 layer 0: nonzero=0/65536 poison-hits=0 first16=[00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
[POC] attempt 1 layer 1: nonzero=65536/65536 poison-hits=65536 first16=[de ad be ef de ad be ef de ad be ef de ad be ef]
[POC] attempt 1 layer 2: nonzero=65536/65536 poison-hits=65536 first16=[de ad be ef de ad be ef de ad be ef de ad be ef]
[POC] attempt 1 layer 3: nonzero=65536/65536 poison-hits=65536 first16=[de ad be ef de ad be ef de ad be ef de ad be ef]
[POC] === VULNERABILITY CONFIRMED ===
[POC] Layers >=1 contain non-zero (uninitialized VRAM) data.
[POC] robust_resource_initialization guarantees zero-fill; the whole-array
[POC] clear was downgraded to a layer-0-only render-pass loadOp.