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-rw-r--r--net/core/filter.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 35c6933c2622..3fdddfa9a0fd 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5496,7 +5496,13 @@ static bool cg_skb_is_valid_access(int off, int size,
case bpf_ctx_range(struct __sk_buff, data_meta):
case bpf_ctx_range(struct __sk_buff, flow_keys):
return false;
+ case bpf_ctx_range(struct __sk_buff, data):
+ case bpf_ctx_range(struct __sk_buff, data_end):
+ if (!capable(CAP_SYS_ADMIN))
+ return false;
+ break;
}
+
if (type == BPF_WRITE) {
switch (off) {
case bpf_ctx_range(struct __sk_buff, mark):