739351d476
Change log:95336cb92b..191d55580eFull diff:95336cb92b..191d55580eRoll chromium third_party 4e16929f46..3a8f2a9e1e Change log:4e16929f46..3a8f2a9e1eChanged dependencies: * src/tools:c44a3f5eca..f524a53b81DEPS diff:95336cb92b..191d55580e/DEPS No update to Clang. TBR=titovartem@google.com, BUG=None CQ_INCLUDE_TRYBOTS=master.internal.tryserver.corp.webrtc:linux_internal Change-Id: Ic9c4a62b050383646e9fcf5cc07a5653c14ac06e Reviewed-on: https://webrtc-review.googlesource.com/76120 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23205}
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <istream>
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#include <memory>
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#include <streambuf>
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#include "base/memory/free_deleter.h"
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#include "google_breakpad/processor/basic_source_line_resolver.h"
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#include "google_breakpad/processor/minidump.h"
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#include "google_breakpad/processor/minidump_processor.h"
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#include "google_breakpad/processor/process_state.h"
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#include "processor/logging.h"
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#include "processor/simple_symbol_supplier.h"
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#include "processor/stackwalk_common.h"
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namespace {
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using google_breakpad::BasicSourceLineResolver;
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using google_breakpad::Minidump;
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using google_breakpad::MinidumpProcessor;
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using google_breakpad::ProcessState;
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using google_breakpad::SimpleSymbolSupplier;
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struct membuf : std::streambuf {
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membuf(char* begin, char* end) { setg(begin, begin, end); }
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protected:
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virtual pos_type seekoff(off_type off,
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std::ios_base::seekdir dir,
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std::ios_base::openmode which = std::ios_base::in) {
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if (dir == std::ios_base::cur)
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gbump(off);
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return gptr() - eback();
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}
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};
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bool PrintMinidumpProcess(const uint8_t* data,
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size_t size,
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const std::vector<string>& symbol_paths) {
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// Signature and version number.
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char header_prefix[] = {'P', 'M', 'D', 'M', 0, 0, 0xa7, 0x93};
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size += sizeof(header_prefix);
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std::unique_ptr<SimpleSymbolSupplier> symbol_supplier;
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char* ptr = static_cast<char*>(malloc(size));
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if (!ptr)
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return false;
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memcpy(ptr, header_prefix, sizeof(header_prefix));
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std::unique_ptr<char, base::FreeDeleter> buffer(ptr);
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memcpy(buffer.get() + sizeof(header_prefix), data,
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size - sizeof(header_prefix));
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membuf sbuf(buffer.get(), buffer.get() + size);
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std::istream input(&sbuf);
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if (!symbol_paths.empty()) {
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symbol_supplier.reset(new SimpleSymbolSupplier(symbol_paths));
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}
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BasicSourceLineResolver resolver;
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MinidumpProcessor minidump_processor(symbol_supplier.get(), &resolver);
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// Process the minidump.
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Minidump dump(input);
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if (!dump.Read()) {
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BPLOG(ERROR) << "Minidump " << dump.path() << " could not be read";
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return false;
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}
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ProcessState process_state;
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if (minidump_processor.Process(&dump, &process_state) !=
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google_breakpad::PROCESS_OK) {
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BPLOG(ERROR) << "MinidumpProcessor::Process failed";
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return false;
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}
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PrintProcessStateMachineReadable(process_state);
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return true;
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}
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} // namespace
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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// TODO(wfh): Somehow pull symbols in.
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PrintMinidumpProcess(data, size, std::vector<string>());
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return 0;
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}
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