Merge branch '10.0' into 10.1

2 files changed, 24 insertions, 0 deletions

diff --git a/mysql-test/suite/roles/flush_roles-17898.result b/mysql-test/suite/roles/flush_roles-17898.result
new file mode 100644
index 00000000000..c09fa166dc0
--- /dev/null
+++ b/mysql-test/suite/roles/flush_roles-17898.result
@@ -0,0 +1,13 @@
+use mysql;
+insert db (db,user,select_priv) values ('foo','dwr_foo','Y'), ('bar','dwr_bar','Y');
+insert roles_mapping (user,role) values ('dwr_qux_dev','dwr_foo'),('dwr_qux_dev','dwr_bar');
+insert user (user,show_db_priv,is_role) values ('dwr_foo','N','Y'), ('dwr_bar','N','Y'), ('dwr_qux_dev','Y','Y');
+Warnings:
+Warning	1364	Field 'ssl_cipher' doesn't have a default value
+Warning	1364	Field 'x509_issuer' doesn't have a default value
+Warning	1364	Field 'x509_subject' doesn't have a default value
+Warning	1364	Field 'authentication_string' doesn't have a default value
+flush privileges;
+drop role dwr_foo;
+drop role dwr_bar;
+drop role dwr_qux_dev;
diff --git a/mysql-test/suite/roles/flush_roles-17898.test b/mysql-test/suite/roles/flush_roles-17898.test
new file mode 100644
index 00000000000..e94efc44dd0
--- /dev/null
+++ b/mysql-test/suite/roles/flush_roles-17898.test
@@ -0,0 +1,11 @@
+#
+# MDEV-17898 FLUSH PRIVILEGES crashes server with segfault
+#
+use mysql;
+insert db (db,user,select_priv) values ('foo','dwr_foo','Y'), ('bar','dwr_bar','Y');
+insert roles_mapping (user,role) values ('dwr_qux_dev','dwr_foo'),('dwr_qux_dev','dwr_bar');
+insert user (user,show_db_priv,is_role) values ('dwr_foo','N','Y'), ('dwr_bar','N','Y'), ('dwr_qux_dev','Y','Y');
+flush privileges;
+drop role dwr_foo;
+drop role dwr_bar;
+drop role dwr_qux_dev;