Use the newly introduced capability CAP_CHECKPOINT_RESTORE to allow writing to ns_last_pid. Signed-off-by: Adrian Reber <areber@xxxxxxxxxx> Signed-off-by: Nicolas Viennot <Nicolas.Viennot@xxxxxxxxxxxx> Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx> Reviewed-by: Serge Hallyn <serge@xxxxxxxxxx> --- kernel/pid_namespace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 0e5ac162c3a8..ac135bd600eb 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -269,7 +269,7 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, struct ctl_table tmp = *table; int ret, next; - if (write && !ns_capable(pid_ns->user_ns, CAP_SYS_ADMIN)) + if (write && !checkpoint_restore_ns_capable(pid_ns->user_ns)) return -EPERM; /* -- 2.26.2
