In cgroup_get_cgroup(), stat should only be called on the cgroup's
task file if the cgroup is a v1 mount. v2 mounts don't have a
tasks file.
Signed-off-by: Tom Hromatka <tom.hroma...@oracle.com>
---
src/api.c | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/src/api.c b/src/api.c
index 9cfb42aaa112..bef9ea263f43 100644
--- a/src/api.c
+++ b/src/api.c
@@ -2688,25 +2688,27 @@ int cgroup_get_cgroup(struct cgroup *cgroup)
* Get the uid and gid information
*/
- ret = asprintf(&control_path, "%s/tasks", path);
+ if (cg_mount_table[i].version == CGROUP_V1) {
+ ret = asprintf(&control_path, "%s/tasks", path);
- if (ret < 0) {
- last_errno = errno;
- error = ECGOTHER;
- goto unlock_error;
- }
+ if (ret < 0) {
+ last_errno = errno;
+ error = ECGOTHER;
+ goto unlock_error;
+ }
- if (stat(control_path, &stat_buffer)) {
- last_errno = errno;
- free(control_path);
- error = ECGOTHER;
- goto unlock_error;
- }
+ if (stat(control_path, &stat_buffer)) {
+ last_errno = errno;
+ free(control_path);
+ error = ECGOTHER;
+ goto unlock_error;
+ }
- cgroup->tasks_uid = stat_buffer.st_uid;
- cgroup->tasks_gid = stat_buffer.st_gid;
+ cgroup->tasks_uid = stat_buffer.st_uid;
+ cgroup->tasks_gid = stat_buffer.st_gid;
- free(control_path);
+ free(control_path);
+ }
cgc = cgroup_add_controller(cgroup,
cg_mount_table[i].name);
--
2.25.3
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