diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 096fdac701654f7e23a9766ba47115debb0ef7b1..30c6eebce14617bf51d85907ccd0e61e5be2e174 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6066,6 +6066,9 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 arg,
 			return -EACCES;
 		}
 		meta->mem_size = reg->var_off.value;
+		err = mark_chain_precision(env, regno);
+		if (err)
+			return err;
 		break;
 	case ARG_PTR_TO_INT:
 	case ARG_PTR_TO_LONG: