worker24h opened a new issue #2919: Invalid memory address in doris::memory_copy URL: https://github.com/apache/incubator-doris/issues/2919 **Describe the bug** When I change schema `char(20)` to `varchar(20)` cause coredump. The follow is backtraceļ¼ (gdb) bt #0 doris::memory_copy (dst=0xd21530c8, src=0x6d61726670617277, size=101) at /home/doris-code/incubator-doris/be/src/util/mem_util.hpp:308 #1 0x0000000000e9dd04 in doris::FieldTypeTraits<(doris::FieldType)13>::deep_copy (dest=0xd981d7e4, src=0x101ebcca4, mem_pool=<optimized out>) at /home/doris-code/incubator-doris/be/src/olap/types.h:541 #2 0x000000000153d712 in deep_copy (this=<optimized out>, mem_pool=0x9c2fcc0, src=<optimized out>, dest=<optimized out>) at /home/doris-code/incubator-doris/be/src/olap/types.h:56 #3 deep_copy_content (this=<optimized out>, mem_pool=0x9c2fcc0, src=<optimized out>, dst=<optimized out>) at /home/doris-code/incubator-doris/be/src/olap/field.h:189 #4 set_field_content (mem_pool=0x9c2fcc0, buf=<optimized out>, index=3, this=0x7f820f0dcf90) at /home/doris-code/incubator-doris/be/src/olap/row_cursor.h:80 #5 doris::RowBlockChanger::change_row_block (this=this@entry=0x7f820f0dd200, ref_block=0x12cd915e0, data_version=<optimized out>, mutable_block=mutable_block@entry=0x12cd903c0, filtered_rows=filtered_rows@entry=0x7f820f0dd070) at /home/doris-code/incubator-doris/be/src/olap/schema_change.cpp:335 #6 0x0000000001540072 in doris::SchemaChangeDirectly::process (this=0x12c52ab40, rowset_reader=..., rowset_writer=0x1d43221b80, new_tablet=..., base_tablet=...) at /home/doris-code/incubator-doris/be/src/olap/schema_change.cpp:793 #7 0x00000000015476c1 in doris::SchemaChangeHandler::_convert_historical_rowsets (sc_params=...) at /home/doris-code/incubator-doris/be/src/olap/schema_change.cpp:1954 #8 0x0000000001549ab7 in doris::SchemaChangeHandler::_do_process_alter_tablet_v2 (this=this@entry=0x7f820f0dd580, request=...) at /home/doris-code/incubator-doris/be/src/olap/schema_change.cpp:1337 #9 0x000000000154ab56 in doris::SchemaChangeHandler::process_alter_tablet_v2 (this=this@entry=0x7f820f0dd580, request=...) at /home/doris-code/incubator-doris/be/src/olap/schema_change.cpp:1162 #10 0x000000000157fc39 in doris::EngineAlterTabletTask::execute (this=0x7f820f0dd7c0) at /home/doris-code/incubator-doris/be/src/olap/task/engine_alter_tablet_task.cpp:39 #11 0x0000000000e45715 in doris::StorageEngine::execute_task (this=0x6192840, task=task@entry=0x7f820f0dd7c0) at /home/doris-code/incubator-doris/be/src/olap/storage_engine.cpp:941 #12 0x0000000001391f0e in doris::TaskWorkerPool::_alter_tablet (this=this@entry=0x124ad200, worker_pool_this=worker_pool_this@entry=0x124ad200, agent_task_req=..., signature=signature@entry=2457377, task_type=doris::TTaskType::ALTER, finish_task_request=finish_task_request@entry=0x7f820f0dd890) at /home/doris-code/incubator-doris/be/src/agent/task_worker_pool.cpp:635 #13 0x000000000139c3af in doris::TaskWorkerPool::_alter_tablet_worker_thread_callback (arg_this=0x124ad200) at /home/doris-code/incubator-doris/be/src/agent/task_worker_pool.cpp:570 #14 0x00007f829f9b0dd5 in start_thread () from /lib64/libpthread.so.0 #15 0x00007f829fcc2ead in clone () from /lib64/libc.so.6
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