components/gwp_asan/crash_handler/crash.proto

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Serialization format for GWP ASan crashdata, written to the minidump using
// stream ID 0x4B6B0004.

syntax = "proto2";

package gwp_asan;

option optimize_for = LITE_RUNTIME;

message Crash {
  enum ErrorType {
    // These should not be renumbered and should be kept in sync with
    // AllocatorState::ErrorType in allocator_state.h
    USE_AFTER_FREE = 0;
    BUFFER_UNDERFLOW = 1;
    BUFFER_OVERFLOW = 2;
    DOUBLE_FREE = 3;
    UNKNOWN = 4;
  }

  message AllocationInfo {
    repeated uint64 stack_trace = 1 [packed = true];
    optional uint64 thread_id = 2;
  }

  optional ErrorType error_type = 1;
  optional uint64 allocation_address = 2;
  optional uint64 allocation_size = 3;

  optional AllocationInfo allocation = 4;
  optional AllocationInfo deallocation = 5;
}