Quuxplusone
commented
7 years ago Attached trace_log-76f2bf.tar.bz2 (708916 bytes, application/x-bzip): Archive of generated trace log .cpp and .sh
Closed Quuxplusone closed 5 years ago
Quuxplusone
commented
7 years ago Attached trace_log-76f2bf.tar.bz2 (708916 bytes, application/x-bzip): Archive of generated trace log .cpp and .sh
Quuxplusone
commented
7 years ago LLVM version: clang version 5.0.0 (trunk 296321)
Platform: Linux; target: LinuxThis doesn't crash any more. May have been fixed as a part of
https://bugs.llvm.org/show_bug.cgi?id=18953.
$ ./trace_log-76f2bf.sh
../../base/trace_event/trace_log.cc:815:29: warning: Dereference of null smart
pointer 'thread_shared_chunk_' of type 'std::unique_ptr'
TraceEvent* trace_event = thread_shared_chunk_->AddTraceEvent(&event_index);
^
../../base/trace_event/trace_log.cc:1115:10: note: Calling
'TraceLog::AddTraceEventWithThreadIdAndTimestamp'
return AddTraceEventWithThreadIdAndTimestamp(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1181:7: note: Assuming the condition is
false
if (!*category_group_enabled)
^~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1181:3: note: Taking false branch
if (!*category_group_enabled)
^
../../base/trace_event/trace_log.cc:1187:3: note: Taking false branch
if (thread_is_in_trace_event_.Get())
^
../../base/trace_event/trace_log.cc:1192:3: note: Assuming 'name' is non-null
DCHECK(name);
^~~~~~~~~~~~
../../base/logging.h:814:36: note: expanded from macro 'DCHECK'
LAZY_STREAM(LOG_STREAM(DCHECK), !ANALYZER_ASSUME_TRUE(condition)) \
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/logging.h:312:67: note: expanded from macro 'ANALYZER_ASSUME_TRUE'
#define ANALYZER_ASSUME_TRUE(val) (::logging::AnalysisAssumeTrue(!!(val)))
^
../../base/logging.h:402:5: note: expanded from macro 'LAZY_STREAM'
!(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
^~~~~~~~~
../../base/trace_event/trace_log.cc:1192:3: note: '?' condition is true
../../base/logging.h:814:3: note: expanded from macro 'DCHECK'
LAZY_STREAM(LOG_STREAM(DCHECK), !ANALYZER_ASSUME_TRUE(condition)) \
^
../../base/logging.h:402:3: note: expanded from macro 'LAZY_STREAM'
!(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
^
../../base/trace_event/trace_log.cc:1193:3: note: '?' condition is true
DCHECK(!timestamp.is_null());
^
../../base/logging.h:814:3: note: expanded from macro 'DCHECK'
LAZY_STREAM(LOG_STREAM(DCHECK), !ANALYZER_ASSUME_TRUE(condition)) \
^
../../base/logging.h:402:3: note: expanded from macro 'LAZY_STREAM'
!(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
^
../../base/trace_event/trace_log.cc:1195:7: note: Assuming the condition is
false
if (flags & TRACE_EVENT_FLAG_MANGLE_ID) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1195:3: note: Taking false branch
if (flags & TRACE_EVENT_FLAG_MANGLE_ID) {
^
../../base/trace_event/trace_log.cc:1206:7: note: Assuming the condition is true
if (*category_group_enabled & RECORDING_MODE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1206:3: note: Taking true branch
if (*category_group_enabled & RECORDING_MODE) {
^
../../base/trace_event/trace_log.cc:1215:7: note: Assuming the condition is
false
if (thread_id == static_cast<int>(PlatformThread::CurrentId())) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1215:3: note: Taking false branch
if (thread_id == static_cast<int>(PlatformThread::CurrentId())) {
^
../../base/trace_event/trace_log.cc:1262:7: note: Assuming the condition is
false
if (*category_group_enabled & TraceCategory::ENABLED_FOR_FILTERING) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1262:3: note: Taking false branch
if (*category_group_enabled & TraceCategory::ENABLED_FOR_FILTERING) {
^
../../base/trace_event/trace_log.cc:1282:7: note: Left side of '&&' is true
if ((*category_group_enabled & TraceCategory::ENABLED_FOR_RECORDING) &&
^
../../base/trace_event/trace_log.cc:1282:3: note: Taking true branch
if ((*category_group_enabled & TraceCategory::ENABLED_FOR_RECORDING) &&
^
../../base/trace_event/trace_log.cc:1287:9: note: Assuming
'thread_local_event_buffer' is null
if (thread_local_event_buffer) {
^~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:1287:5: note: Taking false branch
if (thread_local_event_buffer) {
^
../../base/trace_event/trace_log.cc:1291:21: note: Calling
'TraceLog::AddEventToThreadSharedChunkWhileLocked'
trace_event = AddEventToThreadSharedChunkWhileLocked(&handle, true);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:800:7: note: Left side of '&&' is true
if (thread_shared_chunk_ && thread_shared_chunk_->IsFull()) {
^
../../base/trace_event/trace_log.cc:800:3: note: Taking true branch
if (thread_shared_chunk_ && thread_shared_chunk_->IsFull()) {
^
../../base/trace_event/trace_log.cc:802:33: note: Smart pointer
'thread_shared_chunk_' of type 'std::unique_ptr' is reset to null when moved
from
std::move(thread_shared_chunk_));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../base/trace_event/trace_log.cc:805:3: note: Taking false branch
if (!thread_shared_chunk_) {
^
../../base/trace_event/trace_log.cc:811:3: note: Taking false branch
if (!thread_shared_chunk_)
^
../../base/trace_event/trace_log.cc:815:29: note: Dereference of null smart
pointer 'thread_shared_chunk_' of type 'std::unique_ptr'
TraceEvent* trace_event = thread_shared_chunk_->AddTraceEvent(&event_index);
^~~~~~~~~~~~~~~~~~~~
1 warning generated.
trace_log-76f2bf.tar.bz2(708916 bytes, application/x-bzip)