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Fix crash dump generation on Linux.

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This commit is contained in:
John Preston 2021-05-03 17:34:33 +04:00
parent 9a857659ce
commit b1c4524612
9 changed files with 145 additions and 177 deletions
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234
Telegram/SourceFiles/core/crash_reports.cpp
View File

@ -131,20 +131,98 @@ void InstallQtMessageHandler() {
});
}
Qt::HANDLE ReportingThreadId = nullptr;
bool ReportingHeaderWritten = false;
QMutex ReportingMutex;
std::atomic<Qt::HANDLE> ReportingThreadId/* = nullptr*/;
bool ReportingHeaderWritten/* = false*/;
const char *BreakpadDumpPath/* = nullptr*/;
const wchar_t *BreakpadDumpPathW/* = nullptr*/;
const char *BreakpadDumpPath = nullptr;
const wchar_t *BreakpadDumpPathW = nullptr;
const int HandledSignals[] = {
SIGSEGV,
SIGABRT,
SIGFPE,
SIGILL,
#ifdef Q_OS_UNIX
SIGBUS,
SIGTRAP,
#endif // Q_OS_UNIX
};
#ifdef Q_OS_UNIX
struct sigaction SIG_def[32];
struct sigaction OldSigActions[32]/* = { 0 }*/;
void RestoreSignalHandlers() {
for (const auto signal : HandledSignals) {
sigaction(signal, &OldSigActions[signal], nullptr);
}
}
void InvokeOldSignalHandler(int signum, siginfo_t *info, void *ucontext) {
if (signum < 0 || signum > 31) {
return;
} else if (OldSigActions[signum].sa_flags & SA_SIGINFO) {
if (OldSigActions[signum].sa_sigaction) {
OldSigActions[signum].sa_sigaction(signum, info, ucontext);
}
} else {
if (OldSigActions[signum].sa_handler) {
OldSigActions[signum].sa_handler(signum);
}
}
}
void WriteReportHeader() {
if (ReportingHeaderWritten) {
return;
}
ReportingHeaderWritten = true;
const auto dec2hex = [](int value) -> char {
if (value >= 0 && value < 10) {
return '0' + value;
} else if (value >= 10 && value < 16) {
return 'a' + (value - 10);
}
return '#';
};
for (const auto &i : ProcessAnnotationRefs) {
QByteArray utf8 = i.second->toUtf8();
std::string wrapped;
wrapped.reserve(4 * utf8.size());
for (auto ch : utf8) {
auto uch = static_cast<uchar>(ch);
wrapped.append("\\x", 2).append(1, dec2hex(uch >> 4)).append(1, dec2hex(uch & 0x0F));
}
ProcessAnnotations[i.first] = wrapped;
}
for (const auto &i : ProcessAnnotations) {
dump() << i.first.c_str() << ": " << i.second.c_str() << "\n";
}
Platform::WriteCrashDumpDetails();
dump() << "\n";
}
void WriteReportInfo(int signum, const char *name) {
WriteReportHeader();
const auto thread = ReportingThreadId.load();
if (name) {
dump() << "Caught signal " << signum << " (" << name << ") in thread " << uint64(thread) << "\n";
} else if (signum == -1) {
dump() << "Google Breakpad caught a crash, minidump written in thread " << uint64(thread) << "\n";
if (BreakpadDumpPath) {
dump() << "Minidump: " << BreakpadDumpPath << "\n";
} else if (BreakpadDumpPathW) {
dump() << "Minidump: " << BreakpadDumpPathW << "\n";
}
} else {
dump() << "Caught signal " << signum << " in thread " << uint64(thread) << "\n";
}
dump() << "\nBacktrace omitted.\n";
dump() << "\n";
}
void SignalHandler(int signum, siginfo_t *info, void *ucontext) {
if (signum > 0) {
sigaction(signum, &SIG_def[signum], 0);
}
RestoreSignalHandlers();
#else // Q_OS_UNIX
void SignalHandler(int signum) {
@ -162,125 +240,17 @@ void SignalHandler(int signum) {
#endif // !Q_OS_WIN
}
Qt::HANDLE thread = QThread::currentThreadId();
if (thread == ReportingThreadId) return;
auto expected = Qt::HANDLE(nullptr);
const auto thread = QThread::currentThreadId();
QMutexLocker lock(&ReportingMutex);
ReportingThreadId = thread;
if (!ReportingHeaderWritten) {
ReportingHeaderWritten = true;
auto dec2hex = [](int value) -> char {
if (value >= 0 && value < 10) {
return '0' + value;
} else if (value >= 10 && value < 16) {
return 'a' + (value - 10);
}
return '#';
};
for (const auto &i : ProcessAnnotationRefs) {
QByteArray utf8 = i.second->toUtf8();
std::string wrapped;
wrapped.reserve(4 * utf8.size());
for (auto ch : utf8) {
auto uch = static_cast<uchar>(ch);
wrapped.append("\\x", 2).append(1, dec2hex(uch >> 4)).append(1, dec2hex(uch & 0x0F));
}
ProcessAnnotations[i.first] = wrapped;
}
for (const auto &i : ProcessAnnotations) {
dump() << i.first.c_str() << ": " << i.second.c_str() << "\n";
}
psWriteDump();
dump() << "\n";
}
if (name) {
dump() << "Caught signal " << signum << " (" << name << ") in thread " << uint64(thread) << "\n";
} else if (signum == -1) {
dump() << "Google Breakpad caught a crash, minidump written in thread " << uint64(thread) << "\n";
if (BreakpadDumpPath) {
dump() << "Minidump: " << BreakpadDumpPath << "\n";
} else if (BreakpadDumpPathW) {
dump() << "Minidump: " << BreakpadDumpPathW << "\n";
}
} else {
dump() << "Caught signal " << signum << " in thread " << uint64(thread) << "\n";
if (ReportingThreadId.compare_exchange_strong(expected, thread)) {
WriteReportInfo(signum, name);
ReportingThreadId = nullptr;
}
// see https://github.com/benbjohnson/bandicoot
#ifdef Q_OS_UNIX
ucontext_t *uc = (ucontext_t*)ucontext;
void *caller = 0;
if (uc) {
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
/* OSX < 10.6 */
#if defined(__x86_64__)
caller = (void*)uc->uc_mcontext->__ss.__rip;
#elif defined(__i386__)
caller = (void*)uc->uc_mcontext->__ss.__eip;
#else
caller = (void*)uc->uc_mcontext->__ss.__srr0;
#endif
#elif defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)
/* OSX >= 10.6 */
#if defined(_STRUCT_X86_THREAD_STATE64) && !defined(__i386__)
caller = (void*)uc->uc_mcontext->__ss.__rip;
#else
caller = (void*)uc->uc_mcontext->__ss.__eip;
#endif
#elif defined(__linux__)
/* Linux */
#if defined(__i386__)
caller = (void*)uc->uc_mcontext.gregs[14]; /* Linux 32 */
#elif defined(__X86_64__) || defined(__x86_64__)
caller = (void*)uc->uc_mcontext.gregs[16]; /* Linux 64 */
#elif defined(__ia64__) /* Linux IA64 */
caller = (void*)uc->uc_mcontext.sc_ip;
#endif
#endif
}
void *addresses[132] = { 0 };
size_t size = backtrace(addresses, 128);
/* overwrite sigaction with caller's address */
if (caller) {
for (int i = size; i > 1; --i) {
addresses[i + 3] = addresses[i];
}
addresses[2] = (void*)0x1;
addresses[3] = caller;
addresses[4] = (void*)0x1;
}
#ifdef Q_OS_MAC
dump() << "\nBase image addresses:\n";
for (size_t i = 0; i < size; ++i) {
Dl_info info;
dump() << i << " ";
if (dladdr(addresses[i], &info)) {
dump() << uint64(info.dli_fbase) << " (" << info.dli_fname << ")\n";
} else {
dump() << "_unknown_module_\n";
}
}
#endif // Q_OS_MAC
dump() << "\nBacktrace:\n";
backtrace_symbols_fd(addresses, size, ReportFileNo);
#else // Q_OS_UNIX
dump() << "\nBacktrace omitted.\n";
#endif // else for Q_OS_UNIX
dump() << "\n";
ReportingThreadId = nullptr;
InvokeOldSignalHandler(signum, info, ucontext);
#endif // Q_OS_UNIX
}
bool SetSignalHandlers = true;
@ -475,17 +445,13 @@ Status Restart() {
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO;
sigaction(SIGABRT, &sigact, &SIG_def[SIGABRT]);
sigaction(SIGSEGV, &sigact, &SIG_def[SIGSEGV]);
sigaction(SIGILL, &sigact, &SIG_def[SIGILL]);
sigaction(SIGFPE, &sigact, &SIG_def[SIGFPE]);
sigaction(SIGBUS, &sigact, &SIG_def[SIGBUS]);
sigaction(SIGSYS, &sigact, &SIG_def[SIGSYS]);
for (const auto signal : HandledSignals) {
sigaction(signal, &sigact, &OldSigActions[signal]);
}
#else // !Q_OS_WIN
signal(SIGABRT, SignalHandler);
signal(SIGSEGV, SignalHandler);
signal(SIGILL, SignalHandler);
signal(SIGFPE, SignalHandler);
for (const auto signal : HandledSignals) {
signal(signal, SignalHandler);
}
#endif // else for !Q_OS_WIN
}

9
Telegram/SourceFiles/core/update_checker.cpp
View File

@ -1559,20 +1559,27 @@ bool checkReadyUpdate() {
#elif defined Q_OS_UNIX // Q_OS_MAC
// if the files in the directory are owned by user, while the directory is not,
// update will still fail since it's not possible to remove files
if (unlink(QFile::encodeName(curUpdater).constData())) {
if (QFile::exists(curUpdater)
&& unlink(QFile::encodeName(curUpdater).constData())) {
if (errno == EACCES) {
DEBUG_LOG(("Update Info: "
"could not unlink current Updater, access denied."));
cSetWriteProtected(true);
return true;
} else {
DEBUG_LOG(("Update Error: could not unlink current Updater."));
ClearAll();
return false;
}
}
if (!linuxMoveFile(QFile::encodeName(updater.absoluteFilePath()).constData(), QFile::encodeName(curUpdater).constData())) {
if (errno == EACCES) {
DEBUG_LOG(("Update Info: "
"could not copy new Updater, access denied."));
cSetWriteProtected(true);
return true;
} else {
DEBUG_LOG(("Update Error: could not copy new Updater."));
ClearAll();
return false;
}

3
Telegram/SourceFiles/platform/linux/specific_linux.cpp
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@ -650,9 +650,6 @@ bool SkipTaskbarSupported() {
} // namespace Platform
void psWriteDump() {
}
void psActivateProcess(uint64 pid) {
// objc_activateProgram();
}

5
Telegram/SourceFiles/platform/linux/specific_linux.h
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@ -26,6 +26,9 @@ void InstallLauncher(bool force = false);
inline void IgnoreApplicationActivationRightNow() {
}
inline void WriteCrashDumpDetails() {
}
} // namespace Platform
inline void psCheckLocalSocket(const QString &serverName) {
@ -35,8 +38,6 @@ inline void psCheckLocalSocket(const QString &serverName) {
}
}
void psWriteDump();
void psActivateProcess(uint64 pid = 0);
QString psAppDataPath();
void psAutoStart(bool start, bool silent = false);

2
Telegram/SourceFiles/platform/mac/specific_mac.h
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@ -52,8 +52,6 @@ inline void psCheckLocalSocket(const QString &serverName) {
}
}
void psWriteDump();
void psActivateProcess(uint64 pid = 0);
QString psAppDataPath();
void psAutoStart(bool start, bool silent = false);

14
Telegram/SourceFiles/platform/mac/specific_mac.mm
View File

@ -37,13 +37,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include <mach-o/dyld.h>
#include <AVFoundation/AVFoundation.h>
void psWriteDump() {
#ifndef DESKTOP_APP_DISABLE_CRASH_REPORTS
double v = objc_appkitVersion();
CrashReports::dump() << "OS-Version: " << v;
#endif // DESKTOP_APP_DISABLE_CRASH_REPORTS
}
void psActivateProcess(uint64 pid) {
if (!pid) {
const auto window = Core::App().activeWindow();
@ -113,6 +106,13 @@ std::optional<bool> IsDarkMode() {
: std::nullopt;
}
void WriteCrashDumpDetails() {
#ifndef DESKTOP_APP_DISABLE_CRASH_REPORTS
double v = objc_appkitVersion();
CrashReports::dump() << "OS-Version: " << v;
#endif // DESKTOP_APP_DISABLE_CRASH_REPORTS
}
void RegisterCustomScheme(bool force) {
OSStatus result = LSSetDefaultHandlerForURLScheme(CFSTR("tg"), (CFStringRef)[[NSBundle mainBundle] bundleIdentifier]);
DEBUG_LOG(("App Info: set default handler for 'tg' scheme result: %1").arg(result));

3
Telegram/SourceFiles/platform/platform_specific.h
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@ -39,7 +39,8 @@ void IgnoreApplicationActivationRightNow();
bool AutostartSupported();
bool TrayIconSupported();
bool SkipTaskbarSupported();
QImage GetImageFromClipboard();
[[nodiscard]] QImage GetImageFromClipboard();
void WriteCrashDumpDetails();
[[nodiscard]] std::optional<bool> IsDarkMode();
[[nodiscard]] inline bool IsDarkModeSupported() {

50
Telegram/SourceFiles/platform/win/specific_win.cpp
View File

@ -293,6 +293,31 @@ bool AutostartSupported() {
return !IsWindowsStoreBuild();
}
void WriteCrashDumpDetails() {
#ifndef DESKTOP_APP_DISABLE_CRASH_REPORTS
PROCESS_MEMORY_COUNTERS data = { 0 };
if (Dlls::GetProcessMemoryInfo
&& Dlls::GetProcessMemoryInfo(
GetCurrentProcess(),
&data,
sizeof(data))) {
const auto mb = 1024 * 1024;
CrashReports::dump()
<< "Memory-usage: "
<< (data.PeakWorkingSetSize / mb)
<< " MB (peak), "
<< (data.WorkingSetSize / mb)
<< " MB (current)\n";
CrashReports::dump()
<< "Pagefile-usage: "
<< (data.PeakPagefileUsage / mb)
<< " MB (peak), "
<< (data.PagefileUsage / mb)
<< " MB (current)\n";
}
#endif // DESKTOP_APP_DISABLE_CRASH_REPORTS
}
} // namespace Platform
namespace {
@ -522,31 +547,6 @@ void psSendToMenu(bool send, bool silent) {
_manageAppLnk(send, silent, CSIDL_SENDTO, L"-sendpath", L"Telegram send to link.\nYou can disable send to menu item in Telegram settings.");
}
void psWriteDump() {
#ifndef DESKTOP_APP_DISABLE_CRASH_REPORTS
PROCESS_MEMORY_COUNTERS data = { 0 };
if (Dlls::GetProcessMemoryInfo
&& Dlls::GetProcessMemoryInfo(
GetCurrentProcess(),
&data,
sizeof(data))) {
const auto mb = 1024 * 1024;
CrashReports::dump()
<< "Memory-usage: "
<< (data.PeakWorkingSetSize / mb)
<< " MB (peak), "
<< (data.WorkingSetSize / mb)
<< " MB (current)\n";
CrashReports::dump()
<< "Pagefile-usage: "
<< (data.PeakPagefileUsage / mb)
<< " MB (peak), "
<< (data.PagefileUsage / mb)
<< " MB (current)\n";
}
#endif // DESKTOP_APP_DISABLE_CRASH_REPORTS
}
bool psLaunchMaps(const Data::LocationPoint &point) {
return QDesktopServices::openUrl(qsl("bingmaps:?lvl=16&collection=point.%1_%2_Point").arg(point.latAsString()).arg(point.lonAsString()));
}

2
Telegram/SourceFiles/platform/win/specific_win.h
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@ -47,8 +47,6 @@ inline void finish() {
inline void psCheckLocalSocket(const QString &) {
}
void psWriteDump();
void psActivateProcess(uint64 pid = 0);
QString psAppDataPath();
QString psAppDataPathOld();