wangbo opened a new pull request, #21696:
URL: https://github.com/apache/doris/pull/21696
## Proposed changes
When set enable_workload_group_for_scan = true, it could happens.
Core 1:
```
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at be/src/common/signal_handler.h:413
1# os::Linux::chained_handler(int, siginfo_t*, void*) in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
2# JVM_handle_linux_signal in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
3# signalHandler(int, siginfo_t*, void*) in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
4# 0x00007FB2D4454DF0 in /lib64/libc.so.6
5#
std::_Rb_tree<doris::taskgroup::TaskGroupEntity<doris::taskgroup::ScanTaskQueue>*,
doris::taskgroup::TaskGroupEntity<doris::taskgroup::ScanTaskQueue>*,
std::_Identity<doris::taskgroup::TaskGroupEntity<doris::taskgroup::ScanTaskQueue>*>,
doris::taskgroup::ScanTaskTaskGroupQueue::TaskGroupSchedEntityComparator,
std::allocator<doris::taskgroup::TaskGroupEntity<doris::taskgroup::ScanTaskQueue>*>
>::find(doris::taskgroup::TaskGroupEntity<doris::taskgroup::ScanTaskQueue>*
const&) at
../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/stl_tree.h:2521
6#
doris::taskgroup::ScanTaskTaskGroupQueue::update_statistics(doris::taskgroup::ScanTask,
long) in be/lib/doris_be
7#
doris::vectorized::ScannerScheduler::_task_group_scanner_scan(doris::vectorized::ScannerScheduler*,
doris::taskgroup::ScanTaskTaskGroupQueue*) at
be/src/vec/exec/scan/scanner_scheduler.cpp:432
8# doris::ThreadPool::dispatch_thread() in be/lib/doris_be
9# doris::Thread::supervise_thread(void*) at be/src/util/thread.cpp:466
10# start_thread in /lib64/libc.so.6
11# __GI___clone3 in /lib64/libc.so.6
```
Core 2:
```
*** SIGSEGV unknown detail explain (@0x0) received by PID 3427 (TID 3837 OR
0x7fbdc59d3640) from PID 0; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at be/src/common/signal_handler.h:413
1# os::Linux::chained_handler(int, siginfo_t*, void*) in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
2# JVM_handle_linux_signal in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
3# signalHandler(int, siginfo_t*, void*) in
/usr/lib/jvm/java-11-amazon-corretto.x86_64/lib/server/libjvm.so
4# 0x00007FBECBC54DF0 in /lib64/libc.so.6
5# doris::vectorized::ScannerContext::get_task_group() const at
be/src/vec/exec/scan/scanner_context.cpp:397
6#
doris::taskgroup::ScanTaskTaskGroupQueue::update_statistics(doris::taskgroup::ScanTask,
long) at be/src/vec/exec/scan/scan_task_queue.cpp:101
7#
doris::vectorized::ScannerScheduler::_task_group_scanner_scan(doris::vectorized::ScannerScheduler*,
doris::taskgroup::ScanTaskTaskGroupQueue*) at
be/src/vec/exec/scan/scanner_scheduler.cpp:432
8# doris::ThreadPool::dispatch_thread() in /be/lib/doris_be
9# doris::Thread::supervise_thread(void*) at be/src/util/thread.cpp:466
10# start_thread in /lib64/libc.so.6
11# __GI___clone3 in /lib64/libc.so.6
```
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