From d51374adf5f2f88155a072d3d801104e3c0c3d7f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 3 Aug 2006 10:59:26 -0400
Subject: [PATCH] mark context of syscall entered with no rules as dummy
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
kernel/auditsc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
(limited to 'kernel')
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 3ea836d3d941..9618d1507251 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -177,6 +177,7 @@ struct audit_aux_data_path {
/* The per-task audit context. */
struct audit_context {
+ int dummy; /* must be the first element */
int in_syscall; /* 1 if task is in a syscall */
enum audit_state state;
unsigned int serial; /* serial number for record */
@@ -517,7 +518,7 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk,
context->return_valid = return_valid;
context->return_code = return_code;
- if (context->in_syscall && !context->auditable) {
+ if (context->in_syscall && !context->dummy && !context->auditable) {
enum audit_state state;
state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]);
@@ -1069,7 +1070,8 @@ void audit_syscall_entry(int arch, int major,
context->argv[3] = a4;
state = context->state;
- if (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT)
+ context->dummy = !audit_n_rules;
+ if (!context->dummy && (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT))
state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_ENTRY]);
if (likely(state == AUDIT_DISABLED))
return;
--
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