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authorAdrian Reber <areber@redhat.com>2020-07-19 13:04:13 +0300
committerChristian Brauner <christian.brauner@ubuntu.com>2020-07-19 21:14:42 +0300
commitb9a3db92e1a1f281724e2f34b849d18d1a53bece (patch)
treef2ac0fe3487dd9abf8100add478736f2800a04fc /kernel/pid_namespace.c
parent1caef81da05a84a40dbf02110e967ce6d1135ff6 (diff)
downloadlinux-b9a3db92e1a1f281724e2f34b849d18d1a53bece.tar.xz
pid_namespace: use checkpoint_restore_ns_capable() for ns_last_pid
Use the newly introduced capability CAP_CHECKPOINT_RESTORE to allow writing to ns_last_pid. 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/20200719100418.2112740-4-areber@redhat.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'kernel/pid_namespace.c')
-rw-r--r--kernel/pid_namespace.c2
1 files changed, 1 insertions, 1 deletions
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;
/*