SELECT formatDateTime(toDateTime('2018-01-02 22:33:44'), '%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W%W%W\0W%W%W%W%W%W')

Uninitialized bytes in __interceptor_send at offset 1077 inside [0x7fb43873e000, 1165)
==83966==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x5a90b582 in Poco::Net::SocketImpl::sendBytes(void const*, int, int) build_msan/./base/poco/Net/src/SocketImpl.cpp:290:8
    #1 0x5a9224e7 in Poco::Net::StreamSocketImpl::sendBytes(void const*, int, int) build_msan/./base/poco/Net/src/StreamSocketImpl.cpp:63:23
    #2 0x4843c3cd in DB::WriteBufferFromPocoSocket::nextImpl() build_msan/./src/IO/WriteBufferFromPocoSocket.cpp:63:34
    #3 0x4dbd74df in DB::WriteBuffer::next() build_msan/./src/IO/WriteBuffer.h:49:13
    #4 0x4dbd74df in DB::TCPHandler::sendData(DB::Block const&) build_msan/./src/Server/TCPHandler.cpp:1876:37
    #5 0x4dbcf2e8 in DB::TCPHandler::processOrdinaryQueryWithProcessors() build_msan/./src/Server/TCPHandler.cpp:842:21
    #6 0x4dbae739 in DB::TCPHandler::runImpl() build_msan/./src/Server/TCPHandler.cpp:435:17
    #7 0x4dbf6fae in DB::TCPHandler::run() build_msan/./src/Server/TCPHandler.cpp:1999:9
    #8 0x5a92611d in Poco::Net::TCPServerConnection::start() build_msan/./base/poco/Net/src/TCPServerConnection.cpp:43:3
    #9 0x5a9274cf in Poco::Net::TCPServerDispatcher::run() build_msan/./base/poco/Net/src/TCPServerDispatcher.cpp:115:20
    #10 0x5b0bb912 in Poco::PooledThread::run() build_msan/./base/poco/Foundation/src/ThreadPool.cpp:188:14
    #11 0x5b0b6d41 in Poco::(anonymous namespace)::RunnableHolder::run() build_msan/./base/poco/Foundation/src/Thread.cpp:45:11
    #12 0x5b0b2928 in Poco::ThreadImpl::runnableEntry(void*) build_msan/./base/poco/Foundation/src/Thread_POSIX.cpp:335:27
    #13 0x7fb6c70ebbb4 in start_thread /usr/src/debug/glibc/glibc/nptl/pthread_create.c:444:8
    #14 0x7fb6c716dd8f in clone3 /usr/src/debug/glibc/glibc/misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

  Uninitialized value was created by a heap allocation
    #0 0xce6cade in malloc (/mnt/ch/ClickHouse/build_msan/programs/clickhouse+0xce6cade) (BuildId: 19ce245338f9a39888754ad6e49bb9df85146cfc)
    #1 0x2a4fd167 in Allocator<false, false>::allocNoTrack(unsigned long, unsigned long) build_msan/./src/Common/Allocator.h:237:27
    #2 0x2a4fcb35 in Allocator<false, false>::alloc(unsigned long, unsigned long) build_msan/./src/Common/Allocator.h:103:16
    #3 0x2a732ce6 in DB::Memory<Allocator<false, false>>::alloc(unsigned long) build_msan/./src/IO/BufferWithOwnMemory.h:130:49
    #4 0x4843dcec in DB::Memory<Allocator<false, false>>::Memory(unsigned long, unsigned long) build_msan/./src/IO/BufferWithOwnMemory.h:49:9
    #5 0x4843dcec in DB::BufferWithOwnMemory<DB::WriteBuffer>::BufferWithOwnMemory(unsigned long, char*, unsigned long) build_msan/./src/IO/BufferWithOwnMemory.h:157:29
    #6 0x4843dcec in DB::WriteBufferFromPocoSocket::WriteBufferFromPocoSocket(Poco::Net::Socket&, unsigned long) build_msan/./src/IO/WriteBufferFromPocoSocket.cpp:91:7
    #7 0x483d6d13 in DB::WriteBufferFromPocoSocket* std::__1::construct_at[abi:v15000]<DB::WriteBufferFromPocoSocket, Poco::Net::StreamSocket&, DB::WriteBufferFromPocoSocket*>(DB::WriteBufferFromPocoSocket*, Poco::Net::StreamSocket&) build_msan/./contrib/llvm-project/libcxx/include/__memory/construct_at.h:35:48
    #8 0x483d6d13 in void std::__1::allocator_traits<std::__1::allocator<DB::WriteBufferFromPocoSocket>>::construct[abi:v15000]<DB::WriteBufferFromPocoSocket, Poco::Net::StreamSocket&, void, void>(std::__1::allocator<DB::WriteBufferFromPocoSocket>&, DB::WriteBufferFromPocoSocket*, Poco::Net::StreamSocket&) build_msan/./contrib/llvm-project/libcxx/include/__memory/allocator_traits.h:298:9
    #9 0x483d6d13 in std::__1::__shared_ptr_emplace<DB::WriteBufferFromPocoSocket, std::__1::allocator<DB::WriteBufferFromPocoSocket>>::__shared_ptr_emplace[abi:v15000]<Poco::Net::StreamSocket&>(std::__1::allocator<DB::WriteBufferFromPocoSocket>, Poco::Net::StreamSocket&) build_msan/./contrib/llvm-project/libcxx/include/__memory/shared_ptr.h:292:9
    #10 0x483d6d13 in std::__1::shared_ptr<DB::WriteBufferFromPocoSocket> std::__1::allocate_shared[abi:v15000]<DB::WriteBufferFromPocoSocket, std::__1::allocator<DB::WriteBufferFromPocoSocket>, Poco::Net::StreamSocket&, void>(std::__1::allocator<DB::WriteBufferFromPocoSocket> const&, Poco::Net::StreamSocket&) build_msan/./contrib/llvm-project/libcxx/include/__memory/shared_ptr.h:953:55
    #11 0x483d6d13 in std::__1::shared_ptr<DB::WriteBufferFromPocoSocket> std::__1::make_shared[abi:v15000]<DB::WriteBufferFromPocoSocket, Poco::Net::StreamSocket&, void>(Poco::Net::StreamSocket&) build_msan/./contrib/llvm-project/libcxx/include/__memory/shared_ptr.h:962:12
    #12 0x4dbaa65a in DB::TCPHandler::runImpl() build_msan/./src/Server/TCPHandler.cpp:165:11
    #13 0x4dbf6fae in DB::TCPHandler::run() build_msan/./src/Server/TCPHandler.cpp:1999:9
    #14 0x5a92611d in Poco::Net::TCPServerConnection::start() build_msan/./base/poco/Net/src/TCPServerConnection.cpp:43:3
    #15 0x5a9274cf in Poco::Net::TCPServerDispatcher::run() build_msan/./base/poco/Net/src/TCPServerDispatcher.cpp:115:20
    #16 0x5b0bb912 in Poco::PooledThread::run() build_msan/./base/poco/Foundation/src/ThreadPool.cpp:188:14
    #17 0x5b0b6d41 in Poco::(anonymous namespace)::RunnableHolder::run() build_msan/./base/poco/Foundation/src/Thread.cpp:45:11
    #18 0x5b0b2928 in Poco::ThreadImpl::runnableEntry(void*) build_msan/./base/poco/Foundation/src/Thread_POSIX.cpp:335:27
    #19 0x7fb6c70ebbb4 in start_thread /usr/src/debug/glibc/glibc/nptl/pthread_create.c:444:8

SUMMARY: MemorySanitizer: use-of-uninitialized-value build_msan/./base/poco/Net/src/SocketImpl.cpp:290:8 in Poco::Net::SocketImpl::sendBytes(void const*, int, int)
Exiting