Commit b4399546 authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Daniel Borkmann
Browse files

bpf: rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok 



Rename bpf_ctx_wide_store_ok to bpf_ctx_wide_access_ok to indicate
that it can be used for both loads and stores.

Cc: Yonghong Song <yhs@fb.com>
Signed-off-by: default avatarStanislav Fomichev <sdf@google.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 81f522f9

include/linux/filter.h

+1 −1
Original line number Diff line number Diff line
@@ -747,7 +747,7 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default) 
	return size <= size_default && (size & (size - 1)) == 0;

}



#define bpf_ctx_wide_store_ok(off, size, type, field)			\

#define bpf_ctx_wide_access_ok(off, size, type, field)			\

	(size == sizeof(__u64) &&					\

	off >= offsetof(type, field) &&					\

	off + sizeof(__u64) <= offsetofend(type, field) &&		\

net/core/filter.c

+6 −6
Original line number Diff line number Diff line
@@ -6890,12 +6890,12 @@ static bool sock_addr_is_valid_access(int off, int size, 
			if (!bpf_ctx_narrow_access_ok(off, size, size_default))

				return false;

		} else {

			if (bpf_ctx_wide_store_ok(off, size,

			if (bpf_ctx_wide_access_ok(off, size,

						   struct bpf_sock_addr,

						   user_ip6))

				return true;



			if (bpf_ctx_wide_store_ok(off, size,

			if (bpf_ctx_wide_access_ok(off, size,

						   struct bpf_sock_addr,

						   msg_src_ip6))

				return true;

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