BiteTheDDDDt opened a new pull request, #21946:
URL: https://github.com/apache/doris/pull/21946
## Proposed changes
```cpp
==8480==ERROR: AddressSanitizer: heap-use-after-free on address
0x61a002607b18 at pc 0x55aeb986a4d8 bp 0x7f817be0e030 sp 0x7f817be0e028
READ of size 8 at 0x61a002607b18 thread T351 (SchedulingThrea)
#0 0x55aeb986a4d7 in
doris::vectorized::ScannerContext::incr_ctx_scheduling_time(long)
/root/doris/be/src/vec/exec/scan/scanner_context.h:133:50
#1 0x55aeb986a4d7 in
doris::vectorized::ScannerScheduler::_schedule_scanners(doris::vectorized::ScannerContext*)
/root/doris/be/src/vec/exec/scan/scanner_scheduler.cpp:297:10
#2 0x55aeb9872014 in
doris::vectorized::ScannerScheduler::_schedule_thread(int)
/root/doris/be/src/vec/exec/scan/scanner_scheduler.cpp:165:9
#3 0x55aeb9872014 in
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0::operator()()
const /root/doris/be/src/vec/exec/scan/scanner_scheduler.cpp:98:56
#4 0x55aeb9872014 in void std::__invoke_impl<void,
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0&>(std::__invoke_other,
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0&)
/var/local/ldb-toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/invoke.h:61:14
#5 0x55aeb9872014 in std::enable_if<is_invocable_r_v<void,
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0&>, void>::type
std::__invoke_r<void,
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0&>(doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0&)
/var/local/ldb-toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/invoke.h:111:2
#6 0x55aeb9872014 in std::_Function_handler<void (),
doris::vectorized::ScannerScheduler::init(doris::ExecEnv*)::$_0>::_M_invoke(std::_Any_data
const&)
/var/local/ldb-toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/std_function.h:291:9
#7 0x55aeab9ea74a in doris::ThreadPool::dispatch_thread()
/root/doris/be/src/util/threadpool.cpp:531:24
#8 0x55aeab9c87bd in std::function<void ()>::operator()() const
/var/local/ldb-toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/std_function.h:560:9
#9 0x55aeab9c87bd in doris::Thread::supervise_thread(void*)
/root/doris/be/src/util/thread.cpp:465:5
#10 0x7f83bf470608 in start_thread
/build/glibc-SzIz7B/glibc-2.31/nptl/pthread_create.c:477:8
#11 0x7f83bf6ff132 in __clone
/build/glibc-SzIz7B/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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