[PATCH bpf-next 4/6] bpf, verifier: remove unneeded flow key in check_helper_mem_access
From: Daniel Borkmann <daniel@iogearbox.net>
Date: 2018-10-21 08:21:56
Subsystem:
bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
They PTR_TO_FLOW_KEYS is not used today to be passed into a helper as memory, so it can be removed from check_helper_mem_access(). Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> --- kernel/bpf/verifier.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 0450ffc..4f727c9 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c@@ -2077,8 +2077,6 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno, case PTR_TO_PACKET_META: return check_packet_access(env, regno, reg->off, access_size, zero_size_allowed); - case PTR_TO_FLOW_KEYS: - return check_flow_keys_access(env, reg->off, access_size); case PTR_TO_MAP_VALUE: return check_map_access(env, regno, reg->off, access_size, zero_size_allowed);
--
2.9.5