} MountPoint;
static const MountPoint mount_table[] = {
- { "proc", "/proc", "proc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "devtmps", "/dev", "devtmpfs", "mode=755", MS_NOSUID, true },
- { "tmpfs", "/dev/shm", "tmpfs", "mode=1777", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "devpts", "/dev/pts", "devpts", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
- { "cgroup", "/cgroup/systemd", "cgroup", "none,name=systemd", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "debugfs", "/sys/kernel/debug", "debugfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
- { "binfmt_misc", "/proc/sys/fs/binfmt_misc", "binfmt_misc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
- { "mqueue", "/dev/mqueue", "mqueue", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
+ { "proc", "/proc", "proc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+ { "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+ { "devtmpfs", "/dev", "devtmpfs", "mode=755", MS_NOSUID, true },
+ { "tmpfs", "/dev/shm", "tmpfs", "mode=1777", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+ { "devpts", "/dev/pts", "devpts", NULL, MS_NOSUID|MS_NOEXEC, false },
+ { "tmpfs", "/cgroup", "tmpfs", "mode=755", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+ { "cgroup", "/cgroup/systemd", "cgroup", "none,name=systemd", MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
+};
+
+/* These are API file systems that might be mounted by other software,
+ * we just list them here so that we know that we should igore them */
+
+static const char * const ignore_paths[] = {
+ "/selinux",
+ "/proc/bus/usb",
+ "/var/lib/nfs/rpc_pipefs",
+ "/proc/fs/nfsd"
};
bool mount_point_is_api(const char *path) {
if (path_startswith(path, mount_table[i].where))
return true;
+ for (i = 0; i < ELEMENTSOF(ignore_paths); i++)
+ if (path_startswith(path, ignore_paths[i]))
+ return true;
+
return path_startswith(path, "/cgroup/");
}
FILE *f;
char buf [256];
- /* Mount all available cgroup controllers. */
+ /* Mount all available cgroup controllers that are built into the kernel. */
if (!(f = fopen("/proc/cgroups", "re")))
return -ENOENT;