[cts] Skip an OOM crash on Pixel 6, triage related expectations

No-Try: true
Bug: 491881355, 491869936
Change-Id: I5bf702bd75a06c57adc7ad9e0458951ad805fc49
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/296715
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Gregg Tavares <gman@chromium.org>
diff --git a/webgpu-cts/compat-expectations.txt b/webgpu-cts/compat-expectations.txt
index 48121aa..697626f 100644
--- a/webgpu-cts/compat-expectations.txt
+++ b/webgpu-cts/compat-expectations.txt
@@ -2524,6 +2524,9 @@
 crbug.com/487349982 webgpu:api,validation,buffer,mapping:mapAsync,state,mappedAtCreation: [ Failure ]
 crbug.com/487349982 webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
 
+# Apparent GPU process crash from trying to create a big buffer
+crbug.com/491869936 [ linux nvidia ] webgpu:api,validation,buffer,create:limit: [ Failure ]
+
 ################################################################################
 # Autogenerated Failure expectations. Please triage.
 # ##ROLLER_AUTOGENERATED_FAILURES##
@@ -3090,7 +3093,6 @@
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,texture_view,write:format:method="storage-write-fragment";format="rgba8uint";sampleCount=1;viewUsageMethod="minimal" [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,texture_view,write:format:method="storage-write-fragment";format="rgba8unorm";sampleCount=1;viewUsageMethod="inherit" [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,texture_view,write:format:method="storage-write-fragment";format="rgba8unorm";sampleCount=1;viewUsageMethod="minimal" [ Failure ]
-crbug.com/0000 [ linux nvidia ] webgpu:api,validation,buffer,create:limit: [ Failure ]
 crbug.com/0000 [ android-pixel-6 android-t ] webgpu:api,validation,capability_checks,limits,maxColorAttachmentBytesPerSample:beginRenderPass,at_over:limitTest="overMaximum";testValueName="atLimit";sampleCount=4;interleaveFormat="rg16uint" [ Failure ]
 crbug.com/0000 [ android-pixel-6 android-t ] webgpu:api,validation,capability_checks,limits,maxColorAttachmentBytesPerSample:createRenderBundle,at_over:limitTest="atDefault";testValueName="atLimit";sampleCount=1;interleaveFormat="rg8unorm" [ Failure ]
 crbug.com/0000 [ android-pixel-6 android-t ] webgpu:api,validation,capability_checks,limits,maxColorAttachmentBytesPerSample:createRenderBundle,at_over:limitTest="atMaximum";testValueName="overLimit";sampleCount=4;interleaveFormat="rgba16uint" [ Failure ]
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index e4a1018..14ed699 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -378,6 +378,9 @@
 crbug.com/41489034 [ dawn-backend-validation intel ubuntu webgpu-adapter-default ] webgpu:web_platform,canvas,configure:format:* [ Skip ] # CAT:Critical
 crbug.com/41489034 [ dawn-backend-validation intel ubuntu webgpu-adapter-default ] webgpu:web_platform,canvas,configure:viewFormats:* [ Skip ] # CAT:Critical
 
+# Seems to cause entire shard to fail
+crbug.com/491881355 [ android-pixel-6 android-t ] webgpu:api,validation,buffer,create:limit: [ Skip ]
+
 ################################################################################
 # Triaged or Manually-Added Flakes and Failures
 ################################################################################
@@ -1606,6 +1609,10 @@
 # Dawn validation error on all platforms
 crbug.com/487756197 webgpu:api,validation,encoding,encoder_state:pass_end_invalid_order:* [ Failure ]
 
+# Benign OOM from trying to create a big buffer (in theory avoidable by reducing maxBufferSize)
+[ android-pixel-4 ] webgpu:api,validation,buffer,create:limit: [ Failure ] # CAT:Spurious
+[ linux nvidia ] webgpu:api,validation,buffer,create:limit: [ Failure ] # CAT:Spurious
+
 ################################################################################
 # Autogenerated Failure expectations. Please triage.
 # ##ROLLER_AUTOGENERATED_FAILURES##
@@ -1900,9 +1907,6 @@
 crbug.com/0000 [ nvidia win ] webgpu:api,operation,texture_view,texture_component_swizzle:read_swizzle:format="stencil8";func="textureGather" [ Failure ]
 crbug.com/0000 [ amd mac ] webgpu:api,operation,texture_view,texture_component_swizzle:read_swizzle:format="stencil8";func="textureLoad" [ Failure ]
 crbug.com/0000 [ nvidia win ] webgpu:api,operation,texture_view,texture_component_swizzle:read_swizzle:format="stencil8";func="textureLoad" [ Failure ]
-crbug.com/0000 [ android-pixel-4 ] webgpu:api,validation,buffer,create:limit: [ Failure ]
-crbug.com/0000 [ android-pixel-6 android-t ] webgpu:api,validation,buffer,create:limit: [ Failure ]
-crbug.com/0000 [ linux nvidia ] webgpu:api,validation,buffer,create:limit: [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxBindGroupsPlusVertexBuffers:createRenderPipeline,at_over:limitTest="underDefault";testValueName="atLimit";async=false [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxBindGroupsPlusVertexBuffers:createRenderPipeline,at_over:limitTest="underDefault";testValueName="atLimit";async=true [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxBindGroupsPlusVertexBuffers:createRenderPipeline,at_over:limitTest="underDefault";testValueName="overLimit";async=false [ Failure ]