[PATCH 3/6] ipe: check parser token table sizes
flat view
COLD16d
From: Fan Wu <wufan@kernel.org>
Date: 2026-10-03 02:51:53
Subsystem:
integrity policy enforcement (ipe), security subsystem, the rest · Maintainers:
Fan Wu, Paul Moore, James Morris, "Serge E. Hallyn", Linus Torvalds
The parser token tables contain one entry for each enum value followed by a terminator. Add static assertions so adding an enum value without a corresponding token fails the build. Assisted-by: LLM Signed-off-by: Fan Wu <wufan@kernel.org> --- security/ipe/policy_parser.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/security/ipe/policy_parser.c b/security/ipe/policy_parser.c
index f1c05e53667f..309a61594e1d 100644
--- a/security/ipe/policy_parser.c
+++ b/security/ipe/policy_parser.c@@ -128,6 +128,8 @@ static const match_table_t header_tokens = { {__IPE_HEADER_MAX, NULL} }; +static_assert(ARRAY_SIZE(header_tokens) == __IPE_HEADER_MAX + 1); + /** * parse_header() - Parse policy header information. * @line: Supplies header line to be parsed.
@@ -240,6 +242,8 @@ static const match_table_t operation_tokens = { {IPE_OP_INVALID, NULL} }; +static_assert(ARRAY_SIZE(operation_tokens) == __IPE_OP_MAX + 1); + /** * parse_operation() - Parse the operation type given a token string. * @t: Supplies the token string to be parsed.
@@ -259,6 +263,8 @@ static const match_table_t action_tokens = { {IPE_ACTION_INVALID, NULL} }; +static_assert(ARRAY_SIZE(action_tokens) == __IPE_ACTION_MAX + 1); + /** * parse_action() - Parse the action type given a token string. * @t: Supplies the token string to be parsed.
@@ -284,6 +290,8 @@ static const match_table_t property_tokens = { {IPE_PROP_INVALID, NULL} }; +static_assert(ARRAY_SIZE(property_tokens) == __IPE_PROP_MAX + 1); + /** * parse_property() - Parse a rule property given a token string. * @t: Supplies the token string to be parsed.
--
2.55.0