[MDEV-15793] Server crash in PlugCloseFile (Connect engine) with sql_mode=''; Created: 2018-04-06  Updated: 2021-04-28  Resolved: 2019-03-28

Status: Closed
Project: MariaDB Server
Component/s: Storage Engine - Connect
Affects Version/s: 10.0, 10.1, 10.2, 10.3, 10.4
Fix Version/s: 10.0.38, 10.2.24, 10.1.39, 10.3.15, 10.4.5

Type: Bug Priority: Major
Reporter: Alice Sherepa Assignee: Olivier Bertrand
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Duplicate
duplicates MDEV-12553 [Draft] Server crashes in PlugCleanup... Closed

 Description   

test case:

SET sql_mode='';
SET default_storage_engine = 'Connect';
 
CREATE  TABLE tmp AS SELECT 1654509913105235968 - '1994-09-26' FROM dual;
CREATE or replace TABLE tmp AS SELECT 1654509913105235968 - '1994-09-26' FROM dual;

 10.0 c631060713a2af2890284f
Thread 1 (Thread 0x7fbe67d4e700 (LWP 2931)):
#0  __pthread_kill (threadid=<optimized out>, signo=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
#1  0x0000000000ea8d92 in my_write_core (sig=11) at /git/10.0/mysys/stacktrace.c:478
#2  0x0000000000865a87 in handle_fatal_signal (sig=11) at /git/10.0/sql/signal_handler.cc:285
#3  <signal handler called>
#4  0x00007fbe5f50b42d in PlugCloseFile (g=0x7fbe5c75e000, fp=0x3030303030303030, all=true) at /git/10.0/storage/connect/plgdbutl.cpp:873
#5  0x00007fbe5f50b6d4 in PlugCleanup (g=0x7fbe5c75e000, dofree=true) at /git/10.0/storage/connect/plgdbutl.cpp:972
#6  0x00007fbe5f4b3b7b in PopUser (xp=0x7fbe5c41a0e0) at /git/10.0/storage/connect/ha_connect.cc:941
#7  0x00007fbe5f4b39fd in ha_connect::~ha_connect (this=0x7fbe5c77d888, __in_chrg=<optimized out>) at /git/10.0/storage/connect/ha_connect.cc:910
#8  0x00007fbe5f4b3a82 in ha_connect::~ha_connect (this=0x7fbe5c77d888, __in_chrg=<optimized out>) at /git/10.0/storage/connect/ha_connect.cc:911
#9  0x0000000000748587 in closefrm (table=0x7fbe5c49e470, free_share=true) at /git/10.0/sql/table.cc:2975
#10 0x00000000005ed4d2 in intern_close_table (table=0x7fbe5c49e470) at /git/10.0/sql/sql_base.cc:337
#11 0x00000000007f4464 in tdc_remove_table (thd=0x7fbe603fa070, remove_type=TDC_RT_REMOVE_ALL, db=0x7fbe5c5a27c0 "test", table_name=0x7fbe5c5a21a8 "tmp", kill_delayed_threads=false) at /git/10.0/sql/table_cache.cc:1029
#12 0x00000000005f0a3a in drop_open_table (thd=0x7fbe603fa070, table=0x7fbe5c49e470, db_name=0x7fbe5c5a27c0 "test", table_name=0x7fbe5c5a21a8 "tmp") at /git/10.0/sql/sql_base.cc:1882
#13 0x00000000006430be in select_create::abort_result_set (this=0x7fbe5c5a2c38) at /git/10.0/sql/sql_insert.cc:4378
#14 0x000000000068fe15 in handle_select (thd=0x7fbe603fa070, lex=0x7fbe603fd940, result=0x7fbe5c5a2c38, setup_tables_done_option=0) at /git/10.0/sql/sql_select.cc:383
#15 0x0000000000659b7b in mysql_execute_command (thd=0x7fbe603fa070) at /git/10.0/sql/sql_parse.cc:3012
#16 0x0000000000663bc8 in mysql_parse (thd=0x7fbe603fa070, rawbuf=0x7fbe5c5a2088 "CREATE or replace TABLE tmp AS SELECT 1654509913105235968 - '1994-09-26' FROM dual", length=82, parser_state=0x7fbe67d4d670) at /git/10.0/sql/sql_parse.cc:6637
#17 0x0000000000655a92 in dispatch_command (command=COM_QUERY, thd=0x7fbe603fa070, packet=0x7fbe617e5071 "CREATE or replace TABLE tmp AS SELECT 1654509913105235968 - '1994-09-26' FROM dual", packet_length=82) at /git/10.0/sql/sql_parse.cc:1300
#18 0x0000000000654d05 in do_command (thd=0x7fbe603fa070) at /git/10.0/sql/sql_parse.cc:1003
#19 0x000000000078ab06 in do_handle_one_connection (thd_arg=0x7fbe603fa070) at /git/10.0/sql/sql_connect.cc:1377
#20 0x000000000078a854 in handle_one_connection (arg=0x7fbe603fa070) at /git/10.0/sql/sql_connect.cc:1292
#21 0x0000000000e49508 in pfs_spawn_thread (arg=0x7fbe6037c0f0) at /git/10.0/storage/perfschema/pfs.cc:1861
#22 0x00007fbe66ef76ba in start_thread (arg=0x7fbe67d4e700) at pthread_create.c:333
#23 0x00007fbe665a241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109



 Comments   
Comment by Olivier Bertrand [ 2019-03-21 ]

This bug is not related to SQL_MODE but to a buffer overflow when getting DOUBLE representation.

Generated at Thu Feb 08 08:24:03 UTC 2024 using Jira 8.20.16#820016-sha1:9d11dbea5f4be3d4cc21f03a88dd11d8c8687422.