lday0321 commented on issue #1687:
URL:
https://github.com/apache/incubator-brpc/issues/1687#issuecomment-1024219849
另外，这个UT程序，跑到server.Join的时候就挂掉了, 非TSAN时，能够正常结束。
```cpp
TEST_F(MyTest, TSAN_Check_brpc) {
LOG(INFO) << "Hello, TSAN brpc!";
butil::ip_t ip = butil::my_ip();
uint16_t port = 12345;
brpc::Server server;
butil::EndPoint end_point = butil::EndPoint(ip, port);
int rc = server.Start(end_point, NULL);
ASSERT_EQ(0, rc);
LOG(INFO) << "Hello, before sleep";
std::this_thread::sleep_for(std::chrono::seconds(10));
LOG(INFO) << "Hello, before stop";
server.Stop(0);
LOG(INFO) << "Hello, before join";
server.Join();
LOG(INFO) << "Hello, before exit";
}
```
出错信息：
```
I0128 20:44:08.095814 12180 tsan_test.cc:33] Hello, before stop
I0128 20:44:08.095880 12180 server.cpp:1101] Server[] is going to quit
I0128 20:44:08.097417 12180 tsan_test.cc:35] Hello, before join
ThreadSanitizer:DEADLYSIGNAL
==12180==ERROR: ThreadSanitizer: SEGV on unknown address 0x000000000000 (pc
0x7f25c05052be bp 0x000000000000 sp 0x7f25961fe9e8 T12233)
==12180==The signal is caused by a WRITE memory access.
==12180==Hint: address points to the zero page.
#0 __sanitizer::internal_memcpy(void*, void const*, unsigned long)
<null> (tsan_test+0x1952bd)
#1 __tsan::VarSizeStackTrace::Init(unsigned long const*, unsigned long,
unsigned long) <null> (tsan_test+0x229813)
#2 __tsan::ReportRace(__tsan::ThreadState*) <null> (tsan_test+0x2278db)
#3 <null> <null> (tsan_test+0x22c6dd)
#4 __tsan_write4 <null> (tsan_test+0x21c41c)
#5 bthread::TaskGroup::task_runner(long)
/v/brpc/incubator-brpc/src/bthread/task_group.cpp (tsan_test+0x31bcc7)
#6 bthread_make_fcontext <null> (tsan_test+0x2f74c0)
ThreadSanitizer can not provide additional info.
SUMMARY: ThreadSanitizer: SEGV (/v/tsan_demo/build_tsan/tsan_test+0x1952bd)
in __sanitizer::internal_memcpy(void*, void const*, unsigned long)
==12180==ABORTING
```
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