MySQL Bugs: #35371: assigning general_log_file a variable containing file name crashing server

Bug #35371	assigning general_log_file a variable containing file name crashing server
Submitted:	18 Mar 2008 6:46	Modified:	18 Mar 2008 12:52
Reporter:	Rizwan Maredia	Email Updates:
Status:	Duplicate	Impact on me:	None
Category:	MySQL Server: Logging	Severity:	S2 (Serious)
Version:	5.1.22	OS:	Windows
Assigned to:		CPU Architecture:	Any
Tags:	general_log_file

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Description:
When we assign a file name to general_log_file system variable the server crashes. Interestingly if we directly assign variable value then it gives the error that Variable 'general_log_file' can't be set to the value of 'mytest.log'.

How to repeat:
Sample Code: 

SET @log_file = "mytest.log";
SET @@global.general_log = 0;
FLUSH LOGS;
SET @@global.general_log_file = @log_file;

# the server crashes at last statement.

Suggested fix:
The server should not crash here and should give error that general_log_file can not be set to the value of 'mytest.log'.

see also bug #31604

This is a duplicate of bug #31604. Fixed in 5.1.23-rc.