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-rw-r--r--kernel/bpf/sockmap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index beaabb21c3a3..2b6eb35ae5d3 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -486,6 +486,9 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
int err = -EINVAL;
u64 cost;
+ if (!capable(CAP_NET_ADMIN))
+ return ERR_PTR(-EPERM);
+
/* check sanity of attributes */
if (attr->max_entries == 0 || attr->key_size != 4 ||
attr->value_size != 4 || attr->map_flags & ~BPF_F_NUMA_NODE)