gaodayue opened a new issue #2436: alloc-dealloc-mismatch in OrdinalPageIndex URL: https://github.com/apache/incubator-doris/issues/2436 **Describe the bug** BE built with ASAN reports the following error ``` ==21168==ERROR: AddressSanitizer: alloc-dealloc-mismatch (operator new [] vs operator delete) on 0x60222355d530 #0 0xdd37b0 in operator delete(void*) ../../../../libsanitizer/asan/asan_new_delete.cc:124 #1 0x312d606 in doris::segment_v2::OrdinalPageIndex::~OrdinalPageIndex() /home/gaodayue/doris-git/be/src/olap/rowset/segment_v2/ordinal_page_index.cpp:24 #2 0x3092899 in std::default_delete<doris::segment_v2::OrdinalPageIndex>::operator()(doris::segment_v2::OrdinalPageIndex*) const /usr/local/include/c++/7.2.0/bits/unique_ptr.h:78 #3 0x3092899 in std::unique_ptr<doris::segment_v2::OrdinalPageIndex, std::default_delete<doris::segment_v2::OrdinalPageIndex> >::~unique_ptr() /usr/local/include/c++/7.2.0/bits/unique_ptr.h:268 #4 0x3092899 in doris::segment_v2::ColumnReader::~ColumnReader() /home/gaodayue/doris-git/be/src/olap/rowset/segment_v2/column_reader.h:64 0x60222355d530 is located 0 bytes inside of 8-byte region [0x60222355d530,0x60222355d538) allocated by thread T673 here: #0 0xdd2c50 in operator new[](unsigned long) ../../../../libsanitizer/asan/asan_new_delete.cc:82 #1 0x312d813 in doris::segment_v2::OrdinalPageIndex::load() /home/gaodayue/doris-git/be/src/olap/rowset/segment_v2/ordinal_page_index.cpp:39 #2 0x3088ab9 in doris::segment_v2::ColumnReader::_load_ordinal_index() /home/gaodayue/doris-git/be/src/olap/rowset/segment_v2/column_reader.cpp:262 #3 0x3095a52 in doris::segment_v2::ColumnReader::_ensure_index_loaded()::{lambda()#1}::operator()() const /home/gaodayue/doris-git/be/src/olap/rowset/segment_v2/column_reader.h:117 #4 0x3095a52 in doris::Status doris::DorisCallOnce<doris::Status>::call<doris::segment_v2::ColumnReader::_ensure_index_loaded()::{lambda()#1}>(doris::segment_v2::ColumnReader::_ensure_index_loaded()::{lambda()#1})::{lambda()#1}::operator()() const /home/gaodayue/doris-git/be/src/util/once.h:57 SUMMARY: AddressSanitizer: alloc-dealloc-mismatch ../../../../libsanitizer/asan/asan_new_delete.cc:124 in operator delete(void*) ```
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