m96-lts_add_bounds_check_to_webgpudecoderimpl_dorequestdevice.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Austin Eng <enga@chromium.org>
Date: Mon, 25 Apr 2022 21:01:40 +0000
Subject: Add bounds check to WebGPUDecoderImpl::DoRequestDevice

(cherry picked from commit bee4701c99cbbbb25c0bd6c5c79a40f63f1b1e47)

Fixed: chromium:1314754
Change-Id: Id23af9cc3df08cca3ce7d627e3761c9a65a2c802
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3580555
Commit-Queue: Austin Eng <enga@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#991510}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3589810
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Owners-Override: Achuith Bhandarkar <achuith@chromium.org>
Commit-Queue: Roger Felipe Zanoni da Silva <rzanoni@google.com>
Cr-Commit-Position: refs/branch-heads/4664@{#1603}
Cr-Branched-From: 24dc4ee75e01a29d390d43c9c264372a169273a7-refs/heads/main@{#929512}

diff --git a/gpu/command_buffer/service/webgpu_decoder_impl.cc b/gpu/command_buffer/service/webgpu_decoder_impl.cc
index 703dd4c1aee81aa8b05733b91d1de05b87ff1c0b..507595e2bb5d47128fc6e08dbadf21c43d36cdf0 100644
--- a/gpu/command_buffer/service/webgpu_decoder_impl.cc
+++ b/gpu/command_buffer/service/webgpu_decoder_impl.cc
@@ -582,13 +582,13 @@ error::Error WebGPUDecoderImpl::InitDawnDevice(
     uint32_t device_generation,
     const WGPUDeviceProperties& request_device_properties,
     bool* creation_succeeded) {
-  DCHECK_LE(0, requested_adapter_index);
-
-  DCHECK_LT(static_cast<size_t>(requested_adapter_index),
-            dawn_adapters_.size());
-
   *creation_succeeded = false;
 
+  if (requested_adapter_index < 0 ||
+      static_cast<uint32_t>(requested_adapter_index) >= dawn_adapters_.size()) {
+    return error::kOutOfBounds;
+  }
+
   dawn_native::DeviceDescriptor device_descriptor;
   if (request_device_properties.textureCompressionBC) {
     device_descriptor.requiredExtensions.push_back("texture_compression_bc");