tests: Fix test failure on Fedora 30

Unit test 004-cgroup_compare_ignore_rule.cpp segfaults on
test CgroupCompareIgnoreRuleTest.CombinedControllers().  This
is due to rule.procname being uninitialized.  This commit
initializes the entire rule structure to zero.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>

diff --git a/tests/gunit/004-cgroup_compare_ignore_rule.cpp b/tests/gunit/004-cgroup_compare_ignore_rule.cpp
index 2f585ab9b70f0e6fed86f03bfbe32995046e1286..29341f280ee0448bc536ed77e74e6ef0db6bccd8 100644 (file)
--- a/tests/gunit/004-cgroup_compare_ignore_rule.cpp
+++ b/tests/gunit/004-cgroup_compare_ignore_rule.cpp
@@ -117,7 +117,7 @@ TEST_F(CgroupCompareIgnoreRuleTest, CombinedControllers)
                "13:cpu,cpuacct:/containercg";
        char rule_controller[] = "cpuacct";
        char procname[] = "docker";
-       struct cgroup_rule rule;
+       struct cgroup_rule rule = {0};
        pid_t pid = 6789;
        bool ret;