audit: Simplify and correct audit_log_capset
- Always report the current process as capset now always only works on
the current process. This prevents reporting 0 or a random pid in
a random pid namespace.
- Don't bother to pass the pid as is available.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
(cherry picked from commit bcc85f0af31af123e32858069eb2ad8f39f90e67)
(cherry picked from commit f911cac4556a7a23e0b3ea850233d13b32328692)
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[eparis: fix build error when audit disabled]
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 90594c9..df1e685 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2321,18 +2321,16 @@
/**
* __audit_log_capset - store information about the arguments to the capset syscall
- * @pid: target pid of the capset call
* @new: the new credentials
* @old: the old (current) credentials
*
* Record the aguments userspace sent to sys_capset for later printing by the
* audit system if applicable
*/
-void __audit_log_capset(pid_t pid,
- const struct cred *new, const struct cred *old)
+void __audit_log_capset(const struct cred *new, const struct cred *old)
{
struct audit_context *context = current->audit_context;
- context->capset.pid = pid;
+ context->capset.pid = task_pid_nr(current);
context->capset.cap.effective = new->cap_effective;
context->capset.cap.inheritable = new->cap_effective;
context->capset.cap.permitted = new->cap_permitted;
diff --git a/kernel/capability.c b/kernel/capability.c
index 4e66bf9..34019c5 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -277,7 +277,7 @@
if (ret < 0)
goto error;
- audit_log_capset(pid, new, current_cred());
+ audit_log_capset(new, current_cred());
return commit_creds(new);
