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https://github.com/ClickHouse/ClickHouse.git
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d04cda0367
Example of such queries are distributed queries, which creates local
InterpreterSelectQuery, which will have it's own QueryPlan but returns
Pipes that has that IQueryPlanStep attached.
After EXPLAIN PIPELINE graph=1 tries to use them, and will get SIGSEGV.
- TSAN:
<details>
```
==2782113==ERROR: AddressSanitizer: heap-use-after-free on address 0x6120000223c0 at pc 0x00002b8f3f3e bp 0x7fff18cfbff0 sp 0x7fff18cfbfe8
READ of size 8 at 0x6120000223c0 thread T22 (TCPHandler)
#0 0x2b8f3f3d in DB::printPipelineCompact(std::__1::vector<std::__1::shared_ptr<DB::IProcessor>, std::__1::allocator<std::__1::shared_ptr<DB::IProcessor> > > const&, DB::WriteBuffer&, bool) /build/obj-x86_64-linux-gnu/../src/Processors/printPipeline.cpp:116:53
#1 0x29ee698c in DB::InterpreterExplainQuery::executeImpl() /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterExplainQuery.cpp:275:17
#2 0x29ee2e40 in DB::InterpreterExplainQuery::execute() /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterExplainQuery.cpp:73:14
#3 0x2a7b44a2 in DB::executeQueryImpl(char const*, char const*, DB::Context&, bool, DB::QueryProcessingStage::Enum, bool, DB::ReadBuffer*) /build/obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:389:28
#4 0x2a7b1cb3 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) /build/obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:675:30
#5 0x2b7993b2 in DB::TCPHandler::runImpl() /build/obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:253:24
#6 0x2b7b649a in DB::TCPHandler::run() /build/obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:1217:9
#7 0x31d9c57e in Poco::Net::TCPServerConnection::start() /build/obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerConnection.cpp:43:3
#8 0x31d9d281 in Poco::Net::TCPServerDispatcher::run() /build/obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerDispatcher.cpp:114:20
#9 0x3206b5d5 in Poco::PooledThread::run() /build/obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:199:14
#10 0x320657ad in Poco::ThreadImpl::runnableEntry(void*) /build/obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread_POSIX.cpp:345:27
#11 0x7ffff7f853e8 in start_thread (/usr/lib/libpthread.so.0+0x93e8)
#12 0x7ffff7ea2292 in clone (/usr/lib/libc.so.6+0x100292)
0x6120000223c0 is located 0 bytes inside of 272-byte region [0x6120000223c0,0x6120000224d0)
freed by thread T22 (TCPHandler) here:
#0 0x122f3b62 in operator delete(void*, unsigned long) (/src/ch/tmp/master-20200831/clickhouse+0x122f3b62)
#1 0x2bd9e9fa in std::__1::default_delete<DB::IQueryPlanStep>::operator()(DB::IQueryPlanStep*) const /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:2363:5
#2 0x2bd9e9fa in std::__1::unique_ptr<DB::IQueryPlanStep, std::__1::default_delete<DB::IQueryPlanStep> >::reset(DB::IQueryPlanStep*) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:2618:7
#3 0x2bd9e9fa in std::__1::unique_ptr<DB::IQueryPlanStep, std::__1::default_delete<DB::IQueryPlanStep> >::~unique_ptr() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:2572:19
#4 0x2bd9e9fa in DB::QueryPlan::Node::~Node() /build/obj-x86_64-linux-gnu/../src/Processors/QueryPlan/QueryPlan.h:66:12
#5 0x2bd9e9fa in void std::__1::allocator_traits<std::__1::allocator<std::__1::__list_node<DB::QueryPlan::Node, void*> > >::__destroy<DB::QueryPlan::Node>(std::__1::integral_constant<bool, false>, std::__1::allocator<std::__1::__list_node<DB::QueryPlan::Node, void*> >&,
DB::QueryPlan::Node*) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:1798:23
#6 0x2bd9e9fa in void std::__1::allocator_traits<std::__1::allocator<std::__1::__list_node<DB::QueryPlan::Node, void*> > >::destroy<DB::QueryPlan::Node>(std::__1::allocator<std::__1::__list_node<DB::QueryPlan::Node, void*> >&, DB::QueryPlan::Node*) /build/obj-x86_64-lin
ux-gnu/../contrib/libcxx/include/memory:1630:14
#7 0x2bd9e9fa in std::__1::__list_imp<DB::QueryPlan::Node, std::__1::allocator<DB::QueryPlan::Node> >::clear() /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/list:762:13
#8 0x29fece08 in DB::InterpreterSelectQuery::execute() /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterSelectQuery.cpp:492:1
#9 0x2abf7484 in DB::ClusterProxy::(anonymous namespace)::createLocalStream(std::__1::shared_ptr<DB::IAST> const&, DB::Block const&, DB::Context const&, DB::QueryProcessingStage::Enum) /build/obj-x86_64-linux-gnu/../src/Interpreters/ClusterProxy/SelectStreamFactory.cpp:
78:33
#10 0x2abea85d in DB::ClusterProxy::SelectStreamFactory::createForShard(DB::Cluster::ShardInfo const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::shared_ptr<DB::IAST> const&, DB::Context const&, std::__1::shar
ed_ptr<DB::Throttler> const&, DB::SelectQueryInfo const&, std::__1::vector<DB::Pipe, std::__1::allocator<DB::Pipe> >&)::$_0::operator()() const /build/obj-x86_64-linux-gnu/../src/Interpreters/ClusterProxy/SelectStreamFactory.cpp:133:51
#11 0x2abea85d in DB::ClusterProxy::SelectStreamFactory::createForShard(DB::Cluster::ShardInfo const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::shared_ptr<DB::IAST> const&, DB::Context const&, std::__1::shar
ed_ptr<DB::Throttler> const&, DB::SelectQueryInfo const&, std::__1::vector<DB::Pipe, std::__1::allocator<DB::Pipe> >&) /build/obj-x86_64-linux-gnu/../src/Interpreters/ClusterProxy/SelectStreamFactory.cpp:189:13
#12 0x2abe6d99 in DB::ClusterProxy::executeQuery(DB::ClusterProxy::IStreamFactory&, std::__1::shared_ptr<DB::Cluster> const&, Poco::Logger*, std::__1::shared_ptr<DB::IAST> const&, DB::Context const&, DB::Settings const&, DB::SelectQueryInfo const&) /build/obj-x86_64-lin
ux-gnu/../src/Interpreters/ClusterProxy/executeQuery.cpp:107:24
#13 0x2abc4b74 in DB::StorageDistributed::read(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&, s
td::__1::shared_ptr<DB::StorageInMemoryMetadata const> const&, DB::SelectQueryInfo const&, DB::Context const&, DB::QueryProcessingStage::Enum, unsigned long, unsigned int) /build/obj-x86_64-linux-gnu/../src/Storages/StorageDistributed.cpp:514:12
#14 0x2bda1c5a in DB::ReadFromStorageStep::ReadFromStorageStep(std::__1::shared_ptr<DB::RWLockImpl::LockHolderImpl>, std::__1::shared_ptr<DB::StorageInMemoryMetadata const>&, DB::SelectQueryOptions, std::__1::shared_ptr<DB::IStorage>, std::__1::vector<std::__1::basic_st
ring<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&, DB::SelectQueryInfo const&, std::__1::shared_ptr<DB::Context>, DB::QueryProcessingStage
::Enum, unsigned long, unsigned long) /build/obj-x86_64-linux-gnu/../src/Processors/QueryPlan/ReadFromStorageStep.cpp:39:26
#15 0x2a01ca70 in std::__1::__unique_if<DB::ReadFromStorageStep>::__unique_single std::__1::make_unique<DB::ReadFromStorageStep, std::__1::shared_ptr<DB::RWLockImpl::LockHolderImpl>&, std::__1::shared_ptr<DB::StorageInMemoryMetadata const>&, DB::SelectQueryOptions&, std
::__1::shared_ptr<DB::IStorage>&, 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> > > >&, DB::SelectQueryInfo&, st
d::__1::shared_ptr<DB::Context>&, DB::QueryProcessingStage::Enum&, unsigned long&, unsigned long&>(std::__1::shared_ptr<DB::RWLockImpl::LockHolderImpl>&, std::__1::shared_ptr<DB::StorageInMemoryMetadata const>&, DB::SelectQueryOptions&, std::__1::shared_ptr<DB::IStorage>&,
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> > > >&, DB::SelectQueryInfo&, std::__1::shared_ptr<DB::Context>&,
DB::QueryProcessingStage::Enum&, unsigned long&, unsigned long&) /build/obj-x86_64-linux-gnu/../contrib/libcxx/include/memory:3028:32
#16 0x29ff556a in DB::InterpreterSelectQuery::executeFetchColumns(DB::QueryProcessingStage::Enum, DB::QueryPlan&, std::__1::shared_ptr<DB::PrewhereInfo> const&, 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&) /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterSelectQuery.cpp:1383:26
#17 0x29fe6b83 in DB::InterpreterSelectQuery::executeImpl(DB::QueryPlan&, std::__1::shared_ptr<DB::IBlockInputStream> const&, std::__1::optional<DB::Pipe>) /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterSelectQuery.cpp:795:9
#18 0x29fe5771 in DB::InterpreterSelectQuery::buildQueryPlan(DB::QueryPlan&) /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterSelectQuery.cpp:473:5
#19 0x2a47d370 in DB::InterpreterSelectWithUnionQuery::buildQueryPlan(DB::QueryPlan&) /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterSelectWithUnionQuery.cpp:182:38
#20 0x29ee5bff in DB::InterpreterExplainQuery::executeImpl() /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterExplainQuery.cpp:265:21
#21 0x29ee2e40 in DB::InterpreterExplainQuery::execute() /build/obj-x86_64-linux-gnu/../src/Interpreters/InterpreterExplainQuery.cpp:73:14
#22 0x2a7b44a2 in DB::executeQueryImpl(char const*, char const*, DB::Context&, bool, DB::QueryProcessingStage::Enum, bool, DB::ReadBuffer*) /build/obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:389:28
#23 0x2a7b1cb3 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) /build/obj-x86_64-linux-gnu/../src/Interpreters/executeQuery.cpp:675:30
#24 0x2b7993b2 in DB::TCPHandler::runImpl() /build/obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:253:24
#25 0x2b7b649a in DB::TCPHandler::run() /build/obj-x86_64-linux-gnu/../src/Server/TCPHandler.cpp:1217:9
#26 0x31d9c57e in Poco::Net::TCPServerConnection::start() /build/obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerConnection.cpp:43:3
#27 0x31d9d281 in Poco::Net::TCPServerDispatcher::run() /build/obj-x86_64-linux-gnu/../contrib/poco/Net/src/TCPServerDispatcher.cpp:114:20
#28 0x3206b5d5 in Poco::PooledThread::run() /build/obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/ThreadPool.cpp:199:14
#29 0x320657ad in Poco::ThreadImpl::runnableEntry(void*) /build/obj-x86_64-linux-gnu/../contrib/poco/Foundation/src/Thread_POSIX.cpp:345:27
#30 0x7ffff7f853e8 in start_thread (/usr/lib/libpthread.so.0+0x93e8)
```
</details>
7 lines
154 B
SQL
7 lines
154 B
SQL
--
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-- regressions
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--
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-- SIGSEGV regression due to QueryPlan lifetime
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EXPLAIN PIPELINE graph=1 SELECT * FROM remote('127.{1,2}', system.one) FORMAT Null;
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