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authorAdrian Reber <areber@redhat.com>2020-07-19 12:04:12 +0200
committerChristian Brauner <christian.brauner@ubuntu.com>2020-07-19 20:14:42 +0200
commit1caef81da05a84a40dbf02110e967ce6d1135ff6 (patch)
tree294f2859d9adb62bb046d265d50d1eba81c63698 /kernel/pid.c
parent124ea650d3072b005457faed69909221c2905a1f (diff)
downloadlinux-1caef81da05a84a40dbf02110e967ce6d1135ff6.tar.bz2
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 <areber@redhat.com> Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com> Reviewed-by: Serge Hallyn <serge@hallyn.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Link: https://lore.kernel.org/r/20200719100418.2112740-3-areber@redhat.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'kernel/pid.c')
-rw-r--r--kernel/pid.c2
1 files changed, 1 insertions, 1 deletions
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--;
}