MySQL Bugs: #24045: Crushes on attempted connection on AMD64 and probably other 64-bit platforms

Bug #24045	Crushes on attempted connection on AMD64 and probably other 64-bit platforms
Submitted:	7 Nov 2006 15:20	Modified:	9 Jan 2007 15:19
Reporter:	[ name withheld ]	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Query Browser	Severity:	S2 (Serious)
Version:	1.2.6 beta, 1.2.5beta	OS:	Linux (Debian/Linux)
Assigned to:	Alfredo Kojima	CPU Architecture:	Any

Description:
Segfult

Original: http://bugs.debian.org/397279

NOTE: Unlike other linuxes that run AMD64 in a mixed environment (32/64 bit), Debian runs its as 64-bit pure environment. A 32-bit version for i386 runs fine in a 32-bit environment on AMD64 (in a chroot). It is the 64-bit native binary that doesn't seem to work at all.

How to repeat:
Try to connect to a remote host.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1082132832 (LWP 23266)]
0x00000000006094f9 in myx_use_schema ()
(gdb) bt
#0  0x00000000006094f9 in myx_use_schema ()
Cannot access memory at address 0x8
(gdb)

Thank you for a problem report. Please, try to repeat with a newer version, from GUI Tools 5.0r6, and inform about the results.

No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".

Further information from Casey Zacek from Debian bug list:

"You can connect to a remote server just fine.  The problem is
selecting a schema (database).  If you specify the schema on the
connection screen, it does this at connection time, and the segfault
is immediate.  Also note that the binary bundled in
mysql-gui-tools-5.0r6-linux-x86_64.tar.gz downloaded from mysql.com
exhibits the same exact behavior."

Please, try to repeat with a newer version, from GUI Tools 5.0r8, and inform about the results.

Got the user to try it with the r8 version. From the Debian bug report,
--------------------

> Could you please try to duplicate this error with mysql-query-browser
> > from version 5.0r8 ?
> > 
> > http://dev.mysql.com/get/Downloads/MySQLGUITools/mysql-gui-tools-5.0r8-linux-x86_64.tar.gz...

./mysql-query-browser: line 103:  5327 Segmentation fault      (core dumped) $PRG-bin $args

sigh.

-- Casey Zacek Senior Engineer NeoSpire, Inc.

Although it was related to a bad typecast, somehow the bug only showed
when connecting to a MySQL 4.x server.

It has been fixed now, thanks for the report.