@@ -235,6 +235,10 @@ extern void __audit_inode_child(struct inode *parent,
extern void __audit_seccomp(unsigned long syscall, long signr, int code);
extern void __audit_ptrace(struct task_struct *t);
+static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
+{
+ task->audit_context = ctx;
+}
static inline struct audit_context *audit_context(void)
{
return current->audit_context;
@@ -472,6 +476,8 @@ static inline bool audit_dummy_context(void)
{
return true;
}
+static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
+{ }
static inline struct audit_context *audit_context(void)
{
return NULL;
@@ -865,7 +865,7 @@ static inline struct audit_context *audit_take_context(struct task_struct *tsk,
audit_filter_inodes(tsk, context);
}
- tsk->audit_context = NULL;
+ audit_set_context(tsk, NULL);
return context;
}
@@ -952,7 +952,7 @@ int audit_alloc(struct task_struct *tsk)
}
context->filterkey = key;
- tsk->audit_context = context;
+ audit_set_context(tsk, context);
set_tsk_thread_flag(tsk, TIF_SYSCALL_AUDIT);
return 0;
}
@@ -1554,7 +1554,6 @@ void __audit_syscall_entry(int major, unsigned long a1, unsigned long a2,
*/
void __audit_syscall_exit(int success, long return_code)
{
- struct task_struct *tsk = current;
struct audit_context *context;
if (success)
@@ -1589,7 +1588,7 @@ void __audit_syscall_exit(int success, long return_code)
kfree(context->filterkey);
context->filterkey = NULL;
}
- tsk->audit_context = context;
+ audit_set_context(current, context);
}
static inline void handle_one(const struct inode *inode)
@@ -1713,7 +1713,7 @@ static __latent_entropy struct task_struct *copy_process(
p->start_time = ktime_get_ns();
p->real_start_time = ktime_get_boot_ns();
p->io_context = NULL;
- p->audit_context = NULL;
+ audit_set_context(p, NULL);
cgroup_fork(p);
#ifdef CONFIG_NUMA
p->mempolicy = mpol_dup(p->mempolicy);
Recognizing that the audit context is an internal audit value, use an access function to set the audit context pointer for the task rather than reaching directly into the task struct to set it. Signed-off-by: Richard Guy Briggs <rgb@redhat.com> --- include/linux/audit.h | 6 ++++++ kernel/auditsc.c | 7 +++---- kernel/fork.c | 2 +- 3 files changed, 10 insertions(+), 5 deletions(-)