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Azat Khuzhin 8cb0bb4ca8 Fix SIGSEGV by waiting servers thread pool
It is easy to reproduce with shutdown_wait_unfinished=0:

=================================================================
==13442==ERROR: AddressSanitizer: heap-use-after-free on address 0x611000210f30 at pc 0x00000a8e55a0 bp 0x7fff2b83e270 sp 0x7fff2b83e268
WRITE of size 8 at 0x611000210f30 thread T2 (TCPHandler)
    0 0xa8e559f in long std::__1::__cxx_atomic_fetch_add<long>(std::__1::__cxx_atomic_base_impl<long>*, long, std::__1::memory_order) obj-x86_64-linux-gnu/../contrib/libcxx/include/atomic:1050:12
    1 0xa8e559f in std::__1::__atomic_base<long, true>::fetch_add(long, std::__1::memory_order) obj-x86_64-linux-gnu/../contrib/libcxx/include/atomic:1719:17
    2 0xa8e559f in MemoryTracker::alloc(long) obj-x86_64-linux-gnu/../src/Common/MemoryTracker.cpp:146:35
    3 0xa8e510c in MemoryTracker::alloc(long) obj-x86_64-linux-gnu/../src/Common/MemoryTracker.cpp
    4 0xa90b474 in DB::ThreadStatus::~ThreadStatus() obj-x86_64-linux-gnu/../src/Common/ThreadStatus.cpp:92:28
    5 0x1f90ee83 in DB::TCPHandler::runImpl() obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:450:1
    6 0x1f92dcac in DB::TCPHandler::run() obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:1492:9
    7 0x25bdc2fe in Poco::Net::TCPServerConnection::start() obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerConnection.cpp:43:3
    8 0x25bdce1b in Poco::Net::TCPServerDispatcher::run() obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerDispatcher.cpp:113:19
    9 0x25e9c784 in Poco::PooledThread::run() obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:199:14
    10 0x25e96cd6 in Poco::ThreadImpl::runnableEntry(void*) obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread_POSIX.cpp:345:27
    11 0x7ffff7f723e8 in start_thread (/usr/lib/libpthread.so.0+0x93e8)
    12 0x7ffff7ea0292 in clone (/usr/lib/libc.so.6+0x100292)

0x611000210f30 is located 112 bytes inside of 216-byte region [0x611000210ec0,0x611000210f98)
freed by thread T0 here:
    0 0xa845d02 in operator delete(void*, unsigned long) (/src/ch/tmp/upstream/clickhouse-asan+0xa845d02)
    1 0x1d38328c in void std::__1::__libcpp_operator_delete<void*, unsigned long>(void*, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/new:245:3
    2 0x1d38328c in void std::__1::__do_deallocate_handle_size<>(void*, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/new:271:10
    3 0x1d38328c in std::__1::__libcpp_deallocate(void*, unsigned long, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/new:285:14
    4 0x1d38328c in std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> >::deallocate(std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*>*, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:849:13
    5 0x1d38328c in std::__1::allocator_traits<std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> > >::deallocate(std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> >&, std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*>*, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/__memory/allocator_traits.h:476:14
    6 0x1d38328c in std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser> > >::__deallocate_node(std::__1::__hash_node_base<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*>*>*) obj-x86_64-linux-gnu/../contrib/libcxx/include/__hash_table:1581:9
    7 0x1d38328c in std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser> > >::~__hash_table() obj-x86_64-linux-gnu/../contrib/libcxx/include/__hash_table:1519:5
    8 0x1d38328c in std::__1::unordered_map<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::allocator<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const, DB::ProcessListForUser> > >::~unordered_map() obj-x86_64-linux-gnu/../contrib/libcxx/include/unordered_map:1044:5
    9 0x1d38328c in DB::ProcessList::~ProcessList() obj-x86_64-linux-gnu/../src/Interpreters/ProcessList.h:263:7
    10 0x1d38169c in DB::ContextShared::~ContextShared() obj-x86_64-linux-gnu/../src/Interpreters/Context.cpp:417:5
    11 0x1d32f3e5 in std::__1::default_delete<DB::ContextShared>::operator()(DB::ContextShared*) const obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:1397:5
    12 0x1d32f3e5 in std::__1::unique_ptr<DB::ContextShared, std::__1::default_delete<DB::ContextShared> >::reset(DB::ContextShared*) obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:1658:7
    13 0x1d32f3e5 in DB::SharedContextHolder::reset() obj-x86_64-linux-gnu/../src/Interpreters/Context.cpp:485:44
    14 0xa8863d4 in DB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&)::$_5::operator()() const obj-x86_64-linux-gnu/../programs/server/Server.cpp:880:5
    15 0xa8863d4 in ext::basic_scope_guard<DB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&)::$_5>::invoke() obj-x86_64-linux-gnu/../base/common/../ext/scope_guard.h:97:9
    16 0xa8863d4 in ext::basic_scope_guard<DB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&)::$_5>::~basic_scope_guard() obj-x86_64-linux-gnu/../base/common/../ext/scope_guard.h:47:28
    17 0xa86d889 in DB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) obj-x86_64-linux-gnu/../programs/server/Server.cpp:1379:1
    18 0x25c0c8b5 in Poco::Util::Application::run() obj-x86_64-linux-gnu/../contrib/poco/Util/src/Application.cpp:334:8
    19 0xa85070d in DB::Server::run() obj-x86_64-linux-gnu/../programs/server/Server.cpp:340:25
    20 0x25c49eb7 in Poco::Util::ServerApplication::run(int, char**) obj-x86_64-linux-gnu/../contrib/poco/Util/src/ServerApplication.cpp:611:9
    21 0xa84cd11 in mainEntryClickHouseServer(int, char**) obj-x86_64-linux-gnu/../programs/server/Server.cpp:132:20
    22 0xa848c3a in main obj-x86_64-linux-gnu/../programs/main.cpp:368:12
    23 0x7ffff7dc8151 in __libc_start_main (/usr/lib/libc.so.6+0x28151)

previously allocated by thread T2 (TCPHandler) here:
    0 0xa84509d in operator new(unsigned long) (/src/ch/tmp/upstream/clickhouse-asan+0xa84509d)
    1 0x1e2a7aa6 in void* std::__1::__libcpp_operator_new<unsigned long>(unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/new:235:10
    2 0x1e2a7aa6 in std::__1::__libcpp_allocate(unsigned long, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/new:261:10
    3 0x1e2a7aa6 in std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> >::allocate(unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:840:38
    4 0x1e2a7aa6 in std::__1::allocator_traits<std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> > >::allocate(std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> >&, unsigned long) obj-x86_64-linux-gnu/../contrib/libcxx/include/__memory/allocator_traits.h:468:21
    5 0x1e2a7aa6 in std::__1::unique_ptr<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*>, std::__1::__hash_node_destructor<std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*> > > > std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser> > >::__construct_node_hash<std::__1::piecewise_construct_t const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&>, std::__1::tuple<> >(unsigned long, std::__1::piecewise_construct_t const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&>&&, std::__1::tuple<>&&) obj-x86_64-linux-gnu/../contrib/libcxx/include/__hash_table:2472:23
    6 0x1e2a7aa6 in std::__1::pair<std::__1::__hash_iterator<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, void*>*>, bool> std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser> > >::__emplace_unique_key_args<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::piecewise_construct_t const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&>, std::__1::tuple<> >(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::piecewise_construct_t const&, std::__1::tuple<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&>&&, std::__1::tuple<>&&) obj-x86_64-linux-gnu/../contrib/libcxx/include/__hash_table:2093:29
    7 0x1e29c13d in std::__1::unordered_map<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, DB::ProcessListForUser, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::allocator<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const, DB::ProcessListForUser> > >::operator[](std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) obj-x86_64-linux-gnu/../contrib/libcxx/include/unordered_map:1740:21
    8 0x1e29c13d in DB::ProcessList::insert(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, DB::IAST const*, DB::Context&) obj-x86_64-linux-gnu/../src/Interpreters/ProcessList.cpp:183:50
    9 0x1e5a3a58 in DB::executeQueryImpl(char const*, char const*, DB::Context&, bool, DB::QueryProcessingStage::Enum, bool, DB::ReadBuffer*) obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:486:59
    10 0x1e5a153e in DB::executeQuery(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, DB::Context&, bool, DB::QueryProcessingStage::Enum, bool) obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:904:30
    11 0x1f909bdc in DB::TCPHandler::runImpl() obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:289:24
    12 0x1f92dcac in DB::TCPHandler::run() obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:1492:9
    13 0x25bdc2fe in Poco::Net::TCPServerConnection::start() obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerConnection.cpp:43:3
    14 0x25bdce1b in Poco::Net::TCPServerDispatcher::run() obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerDispatcher.cpp:113:19
    15 0x25e9c784 in Poco::PooledThread::run() obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:199:14
    16 0x25e96cd6 in Poco::ThreadImpl::runnableEntry(void*) obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread_POSIX.cpp:345:27
    17 0x7ffff7f723e8 in start_thread (/usr/lib/libpthread.so.0+0x93e8)

Thread T2 (TCPHandler) created by T0 here:
    0 0xa7ffe0a in pthread_create (/src/ch/tmp/upstream/clickhouse-asan+0xa7ffe0a)
    1 0x25e9606f in Poco::ThreadImpl::startImpl(Poco::SharedPtr<Poco::Runnable, Poco::ReferenceCounter, Poco::ReleasePolicy<Poco::Runnable> >) obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread_POSIX.cpp:202:6
    2 0x25e98eea in Poco::Thread::start(Poco::Runnable&) obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread.cpp:128:2
    3 0x25e9cd28 in Poco::PooledThread::start() obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:85:10
    4 0x25e9cd28 in Poco::ThreadPool::ThreadPool(int, int, int, int) obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:252:12
    5 0xa865aff in DB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) obj-x86_64-linux-gnu/../programs/server/Server.cpp:831:22
    6 0x25c0c8b5 in Poco::Util::Application::run() obj-x86_64-linux-gnu/../contrib/poco/Util/src/Application.cpp:334:8
    7 0xa85070d in DB::Server::run() obj-x86_64-linux-gnu/../programs/server/Server.cpp:340:25
    8 0x25c49eb7 in Poco::Util::ServerApplication::run(int, char**) obj-x86_64-linux-gnu/../contrib/poco/Util/src/ServerApplication.cpp:611:9
    9 0xa84cd11 in mainEntryClickHouseServer(int, char**) obj-x86_64-linux-gnu/../programs/server/Server.cpp:132:20
    10 0xa848c3a in main obj-x86_64-linux-gnu/../programs/main.cpp:368:12
    11 0x7ffff7dc8151 in __libc_start_main (/usr/lib/libc.so.6+0x28151)

SUMMARY: AddressSanitizer: heap-use-after-free obj-x86_64-linux-gnu/../contrib/libcxx/include/atomic:1050:12 in long std::__1::__cxx_atomic_fetch_add<long>(std::__1::__cxx_atomic_base_impl<long>*, long, std::__1::memory_order)
Shadow bytes around the buggy address:
  0x0c228003a190: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c228003a1a0: fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa fa
  0x0c228003a1b0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c228003a1c0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa
  0x0c228003a1d0: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
=>0x0c228003a1e0: fd fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd
  0x0c228003a1f0: fd fd fd fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c228003a200: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c228003a210: fd fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa
  0x0c228003a220: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c228003a230: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==13442==ABORTING
2021.02.20 16:39:50.861426 [ 13443 ] {} <Trace> BaseDaemon: Received signal -3
2021.02.20 16:39:50.861668 [ 14989 ] {} <Fatal> BaseDaemon: ########################################
2021.02.20 16:39:50.861749 [ 14989 ] {} <Fatal> BaseDaemon: (version 21.3.1.6073 (official build), build id: AC8A516D2F60B8505FA128074527EC2C86198E64) (from thread 13874) (no query) Received signal Unknown signal (-3)
2021.02.20 16:39:50.861810 [ 14989 ] {} <Fatal> BaseDaemon: Sanitizer trap.
2021.02.20 16:39:50.861880 [ 14989 ] {} <Fatal> BaseDaemon: Stack trace: 0xa8e94a7 0xad25b1b 0xa831a16 0xa819444 0xa81aefe 0xa81bb4b 0xa8e55a0 0xa8e510d 0xa90b475 0x1f90ee84 0x1f92dcad 0x25bdc2ff 0x25bdce1c 0x25e9c785 0x25e96cd7 0x7ffff7f723e9 0x7ffff7ea0293
2021.02.20 16:39:50.903643 [ 14989 ] {} <Fatal> BaseDaemon: 0.1. inlined from ./obj-x86_64-linux-gnu/../src/Common/StackTrace.cpp:298: StackTrace::tryCapture()
2021.02.20 16:39:50.903708 [ 14989 ] {} <Fatal> BaseDaemon: 0. ../src/Common/StackTrace.cpp:259: StackTrace::StackTrace() @ 0xa8e94a7 in /src/ch/tmp/upstream/clickhouse-asan
2021.02.20 16:39:51.041733 [ 14989 ] {} <Fatal> BaseDaemon: 1.1. inlined from ./obj-x86_64-linux-gnu/../src/Common/CurrentThread.h:78: DB::CurrentThread::getQueryId()
2021.02.20 16:39:51.041768 [ 14989 ] {} <Fatal> BaseDaemon: 1. ../base/daemon/BaseDaemon.cpp:381: sanitizerDeathCallback() @ 0xad25b1b in /src/ch/tmp/upstream/clickhouse-asan
2021.02.20 16:39:52.551623 [ 13442 ] {} <Information> Application: shutting down
2021.02.20 16:39:52.551696 [ 13442 ] {} <Debug> Application: Uninitializing subsystem: Logging Subsystem
2021.02.20 16:39:52.551792 [ 13443 ] {} <Trace> BaseDaemon: Received signal -2
2021.02.20 16:39:52.551831 [ 13443 ] {} <Information> BaseDaemon: Stop SignalListener thread
2021-04-13 21:37:38 +03:00
.github Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
base Replace all Context references with std::weak_ptr (#22297) 2021-04-11 02:33:54 +03:00
benchmark Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
cmake Merge branch 'master' of https://github.com/ClickHouse/ClickHouse into nanodbc 2021-04-11 21:36:08 +00:00
contrib Merge pull request #22992 from ClickHouse/ssl_keeper 2021-04-13 19:15:07 +03:00
debian remove debug 2021-04-07 23:38:48 +03:00
docker Adjust fast test 2021-04-12 13:43:33 +03:00
docs Merge pull request #22995 from MichaelMonashev/patch-6 2021-04-13 15:09:06 +03:00
programs Fix SIGSEGV by waiting servers thread pool 2021-04-13 21:37:38 +03:00
src Merge pull request #22992 from ClickHouse/ssl_keeper 2021-04-13 19:15:07 +03:00
tests Merge pull request #22992 from ClickHouse/ssl_keeper 2021-04-13 19:15:07 +03:00
utils Update version_date.tsv after release 21.1.9.41 2021-04-13 14:29:13 +03:00
website Better benchmark 2021-04-11 17:00:14 +03:00
.arcignore Added .arcignore 2020-05-21 09:17:03 +03:00
.clang-format Fixed wrong code around Memory Profiler 2020-03-03 03:24:44 +03:00
.clang-tidy Enable clang-tidy for programs and utils 2020-05-18 04:19:50 +03:00
.editorconfig Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
.gitattributes Union merge for arcadia_skip_list.txt to avoid frequent conflicts 2021-03-10 08:50:32 +03:00
.gitignore ignore data store files 2021-02-17 12:58:17 +08:00
.gitmodules Merge branch 'master' of https://github.com/ClickHouse/ClickHouse into nanodbc 2021-04-11 21:36:08 +00:00
.potato.yml Fix yamllint issues 2021-02-20 23:25:21 +03:00
.pylintrc Add pylintrc config 2021-01-26 23:35:56 +03:00
.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
.yamllint Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
AUTHORS Update AUTHORS 2020-01-23 17:36:05 +03:00
CHANGELOG.md Update CHANGELOG.md 2021-04-13 15:16:08 +03:00
CMakeLists.txt Merge branch 'master' of https://github.com/ClickHouse/ClickHouse into nanodbc 2021-04-09 11:13:01 +00:00
CODE_OF_CONDUCT.md Add minimal code of conduct #9676 2020-03-16 12:44:28 +03:00
CONTRIBUTING.md Update CONTRIBUTING.md 2020-01-27 21:03:30 +03:00
docker-compose.yml Updated docker-compose.yml #1025 2017-07-26 20:05:32 +03:00
format_sources allow several <graphite> targets (#603) 2017-03-21 23:08:09 +04:00
LICENSE Update LICENSE 2021-01-25 17:00:13 +03:00
PreLoad.cmake Check if XCODE_IDE is true and avoid enforcing ninja in that case 2021-01-06 03:06:03 +04:00
README.md Update link 2021-03-22 18:29:19 +03:00
release Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
SECURITY.md Update SECURITY.md (outdated long time ago) 2021-01-21 16:48:28 +03:00
uncrustify.cfg Better .clang-format and uncrustify.cfg 2018-11-29 15:45:34 +03:00
ya.make Changes required for auto-sync with Arcadia 2020-04-16 15:31:57 +03:00

ClickHouse — open source distributed column-oriented DBMS

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real time.

  • Official website has quick high-level overview of ClickHouse on main page.
  • Tutorial shows how to set up and query small ClickHouse cluster.
  • Documentation provides more in-depth information.
  • YouTube channel has a lot of content about ClickHouse in video format.
  • Slack and Telegram allow to chat with ClickHouse users in real-time.
  • Blog contains various ClickHouse-related articles, as well as announcements and reports about events.
  • Code Browser with syntax highlight and navigation.
  • Contacts can help to get your questions answered if there are any.
  • You can also fill this form to meet Yandex ClickHouse team in person.