Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Duplicate
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12.3
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None
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Can result in hang or crash
Description
Server crash seen while testing MDEV-37220
MariaDB [m]> WITH cte AS ( SELECT a from t1 ) update cte set cte.a=(select a from cte limit 1);
ERROR 2026 (HY000): TLS/SSL error: unexpected eof while reading
mariadbd: /home/ppandith/wl-12/sql/handler.cc:8300: int handler::ha_update_row(const uchar*, const uchar*): Assertion `table_share->tmp_table || m_lock_type == 1' failed.
251205 17:14:06 [ERROR] ./sql/mariadbd got signal 6 ;
Version used:
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main branch (12.3.0)
commit e85bc659188be021897e8578aec42becfbb58c27
Stack Trace:
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
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#1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
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#2 __GI___pthread_kill (threadid=<optimized out>, signo=6) at ./nptl/pthread_kill.c:89
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#3 my_write_core (sig=6) at /home/ppandith/wl-12/mysys/stacktrace.c:424
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#4 handle_fatal_signal (sig=6) at /home/ppandith/wl-12/sql/signal_handler.cc:298
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#5 <signal handler called>
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#6 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
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#7 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
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#8 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
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#9 __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
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#10 __GI_abort () at ./stdlib/abort.c:79
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#11 __assert_fail_base (fmt="%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
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assertion=assertion@entry="table_share->tmp_table || m_lock_type == 1",
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file=file@entry="/home/ppandith/wl-12/sql/handler.cc", line=line@entry=8300,
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function=function@entry="int handler::ha_update_row(const uchar*, const uchar*)") at ./assert/assert.c:96
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#12 __assert_fail (assertion="table_share->tmp_table || m_lock_type == 1", file="/home/ppandith/wl-12/sql/handler.cc", line=8300,
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function="int handler::ha_update_row(const uchar*, const uchar*)") at ./assert/assert.c:105
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#13 handler::ha_update_row (this=, old_data="\375\002", new_data="\375\001") at /home/ppandith/wl-12/sql/handler.cc:8300
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#14 multi_update::do_updates (this=) at /home/ppandith/wl-12/sql/sql_update.cc:2779
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#15 multi_update::send_eof (this=) at /home/ppandith/wl-12/sql/sql_update.cc:2891
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#16 do_select (join=, procedure=) at /home/ppandith/wl-12/sql/sql_select.cc:24103
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#17 JOIN::exec_inner (this=) at /home/ppandith/wl-12/sql/sql_select.cc:5134
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#18 JOIN::exec (this=) at /home/ppandith/wl-12/sql/sql_select.cc:4922
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#19 Sql_cmd_dml::execute_inner (this=, thd=) at /home/ppandith/wl-12/sql/sql_select.cc:34876
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#20 Sql_cmd_update::execute_inner (this=, thd=) at /home/ppandith/wl-12/sql/sql_update.cc:3228
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#21 Sql_cmd_dml::execute (this=, thd=) at /home/ppandith/wl-12/sql/sql_select.cc:34810
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#22 mysql_execute_command (thd=, is_called_from_prepared_stmt=false) at /home/ppandith/wl-12/sql/sql_parse.cc:4400
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#23 mysql_parse (thd=, rawbuf="WITH cte AS ( SELECT a from t1 ) update cte set cte.a=(select a from cte limit 1)",
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length=86, parser_state=) at /home/ppandith/wl-12/sql/sql_parse.cc:7895
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--Type <RET> for more, q to quit, c to continue without paging--c
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#24 dispatch_command (command=COM_QUERY, thd=,
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packet="WITH cte AS ( SELECT a from t1 ) update cte set cte.a=(select a from cte limit 1)", packet_length=86,
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blocking=true) at /home/ppandith/wl-12/sql/sql_parse.cc:1878
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#25 do_command (thd=, blocking=true) at /home/ppandith/wl-12/sql/sql_parse.cc:1417
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#26 do_handle_one_connection (connect=, put_in_cache=true) at /home/ppandith/wl-12/sql/sql_connect.cc:1503
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#27 handle_one_connection (arg=) at /home/ppandith/wl-12/sql/sql_connect.cc:1415
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#28 pfs_spawn_thread (arg=) at /home/ppandith/wl-12/storage/perfschema/pfs.cc:2198
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#29 start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
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#30 clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
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How to reproduce:
create table t1(a int) |
insert into t1 values (1) ,(2); |
WITH cte AS ( SELECT a from t1 ) update cte set cte.a=(select a from cte limit 1); |
Attachments
Issue Links
- duplicates
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MDEV-38258 No error thrown when CTE columns updated in updates set clause
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- In Testing
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