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// Copyright 2015 The Chromium Authors
// 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
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