Bug #91002 Segmentation Fault (core dumped) on mysql_upgrade
Submitted: 24 May 2018 5:44 Modified: 24 May 2018 7:21
Reporter: Pedro Ignacio Bahamondes Walters Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Command-line Clients Severity:S1 (Critical)
Version:5.5.60, 5.6.40 OS:Ubuntu (16.04 )
Assigned to: CPU Architecture:Any

[24 May 2018 5:44] Pedro Ignacio Bahamondes Walters
Description:
We were able to reproduce a segmentation fault error that was already found in MariaDB (https://mariadb.atlassian.net/browse/MDEV-9225).

How to repeat:
Run

client/mysql_upgrade --defaults-file=10.0/1.cnf --port=3306 --

Suggested fix:
Similar patch to this:
https://github.com/MariaDB/server/commit/2a4781789612c6c53cbe12c1426f93b15737a148
[24 May 2018 7:21] MySQL Verification Team
Hello Pedro,

Thank you for the report.

Thanks,
Umesh