From 1caef81da05a84a40dbf02110e967ce6d1135ff6 Mon Sep 17 00:00:00 2001 From: Adrian Reber Date: Sun, 19 Jul 2020 12:04:12 +0200 Subject: [PATCH] pid: use checkpoint_restore_ns_capable() for set_tid Use the newly introduced capability CAP_CHECKPOINT_RESTORE to allow using clone3() with set_tid set. Signed-off-by: Adrian Reber Signed-off-by: Nicolas Viennot Reviewed-by: Serge Hallyn Acked-by: Christian Brauner Link: https://lore.kernel.org/r/20200719100418.2112740-3-areber@redhat.com Signed-off-by: Christian Brauner --- kernel/pid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/pid.c b/kernel/pid.c index f1496b757162..450d40469b1c 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -198,7 +198,7 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid, if (tid != 1 && !tmp->child_reaper) goto out_free; retval = -EPERM; - if (!ns_capable(tmp->user_ns, CAP_SYS_ADMIN)) + if (!checkpoint_restore_ns_capable(tmp->user_ns)) goto out_free; set_tid_size--; }