// Copyright 2015 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. #include "extensions/browser/bad_message.h" #include "base/debug/crash_logging.h" #include "base/logging.h" #include "base/metrics/histogram_functions.h" #include "base/strings/string_number_conversions.h" #include "content/public/browser/browser_message_filter.h" #include "content/public/browser/render_process_host.h" namespace extensions { namespace bad_message { namespace { void LogBadMessage(BadMessageReason reason) { LOG(ERROR) << "Terminating extension renderer for bad IPC message, reason " << reason; base::UmaHistogramSparse("Stability.BadMessageTerminated.Extensions", reason); } base::debug::CrashKeyString* GetBadMessageCrashKey() { static auto* crash_key = base::debug::AllocateCrashKeyString( "extension_bad_message_reason", base::debug::CrashKeySize::Size64); return crash_key; } } // namespace void ReceivedBadMessage(content::RenderProcessHost* host, BadMessageReason reason) { base::debug::ScopedCrashKeyString crash_key(GetBadMessageCrashKey(), base::NumberToString(reason)); LogBadMessage(reason); host->ShutdownForBadMessage( content::RenderProcessHost::CrashReportMode::GENERATE_CRASH_DUMP); } void ReceivedBadMessage(int render_process_id, BadMessageReason reason) { content::RenderProcessHost* rph = content::RenderProcessHost::FromID(render_process_id); // The render process was already terminated. if (!rph) return; ReceivedBadMessage(rph, reason); } void ReceivedBadMessage(content::BrowserMessageFilter* filter, BadMessageReason reason) { base::debug::ScopedCrashKeyString crash_key(GetBadMessageCrashKey(), base::NumberToString(reason)); LogBadMessage(reason); filter->ShutdownForBadMessage(); } } // namespace bad_message } // namespace extensions