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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 10.2, 10.2.9
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Fix Version/s: 10.2.11
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Component/s: Data Manipulation - Subquery, Optimizer
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Labels:
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Environment:Linux Mint 17.3 (Rosa) / Ubuntu 14.04 LTS based 64 bit
select * from ( |
select regexp_substr('a','^[A-Za-z]+') f |
)t
|
where f = f |
causes server reboot. Error in mysql.err is :
Error in `/usr/sbin/mysqld': double free or corruption (out): 0x00007f0730006110 ***
|
After attaching gdb the cause seems to be in Item_func_regexp_substr::cleanup() function.