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Merge pull request #4085 from brauner/2022-02-20.cgroup.fixes

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cgroups: fixes
This commit is contained in:
Stéphane Graber 2022-02-20 14:53:07 -05:00 committed by GitHub
commit fd115a7359
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1 changed files with 13 additions and 0 deletions
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13
src/lxc/cgroups/cgfsng.c
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@ -727,6 +727,7 @@ static int __cgroup_tree_create(int dfd_base, const char *path, mode_t mode,
* it will be automatically zapped if we return early.
*/
dfd_cur = dfd_final;
TRACE("Opened%s cgroup %s as %d", !ret ? " newly created" : "", cur, dfd_cur);
}
/* The final cgroup must be succesfully creatd by us. */
@ -3174,6 +3175,12 @@ static int __initialize_cgroups(struct cgroup_ops *ops, bool relative,
SYSTRACE("Unified cgroup not mounted");
continue;
}
if (!fhas_fs_type(dfd_mnt, CGROUP2_SUPER_MAGIC)) {
SYSTRACE("Opened file descriptor %d is not a cgroup2 mountpoint", dfd_mnt);
continue;
}
dfd = dfd_mnt;
if (!is_empty_string(current_cgroup)) {
@ -3239,6 +3246,12 @@ static int __initialize_cgroups(struct cgroup_ops *ops, bool relative,
SYSTRACE("%s not mounted", controllers);
continue;
}
if (!fhas_fs_type(dfd_mnt, CGROUP_SUPER_MAGIC)) {
SYSTRACE("Opened file descriptor %d is not a cgroup mountpoint", dfd_mnt);
continue;
}
dfd = dfd_mnt;
if (!abspath(__current_cgroup))