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audit/stable-5.13 PR 20210426

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Merge tag 'audit-pr-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:
 "Another small pull request for audit, most of the patches are
  documentation updates with only two real code changes: one to fix a
  compiler warning for a dummy function/macro, and one to cleanup some
  code since we removed the AUDIT_FILTER_ENTRY ages ago (v4.17)"

* tag 'audit-pr-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: drop /proc/PID/loginuid documentation Format field
  audit: avoid -Wempty-body warning
  audit: document /proc/PID/sessionid
  audit: document /proc/PID/loginuid
  MAINTAINERS: update audit files
  audit: further cleanup of AUDIT_FILTER_ENTRY deprecation
This commit is contained in:
Linus Torvalds 2021-04-27 13:50:58 -07:00
commit e359bce39d
4 changed files with 39 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

12
kernel/audit.h
View file

@ -292,8 +292,8 @@ extern void audit_filter_inodes(struct task_struct *tsk,
extern struct list_head *audit_killed_trees(void);
#else /* CONFIG_AUDITSYSCALL */
#define auditsc_get_stamp(c, t, s) 0
#define audit_put_watch(w) {}
#define audit_get_watch(w) {}
#define audit_put_watch(w) do { } while (0)
#define audit_get_watch(w) do { } while (0)
#define audit_to_watch(k, p, l, o) (-EINVAL)
#define audit_add_watch(k, l) (-EINVAL)
#define audit_remove_watch_rule(k) BUG()
@ -302,8 +302,8 @@ extern struct list_head *audit_killed_trees(void);
#define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL))
#define audit_mark_path(m) ""
#define audit_remove_mark(m)
#define audit_remove_mark_rule(k)
#define audit_remove_mark(m) do { } while (0)
#define audit_remove_mark_rule(k) do { } while (0)
#define audit_mark_compare(m, i, d) 0
#define audit_exe_compare(t, m) (-EINVAL)
#define audit_dupe_exe(n, o) (-EINVAL)
@ -311,8 +311,8 @@ extern struct list_head *audit_killed_trees(void);
#define audit_remove_tree_rule(rule) BUG()
#define audit_add_tree_rule(rule) -EINVAL
#define audit_make_tree(rule, str, op) -EINVAL
#define audit_trim_trees() (void)0
#define audit_put_tree(tree) (void)0
#define audit_trim_trees() do { } while (0)
#define audit_put_tree(tree) do { } while (0)
#define audit_tag_tree(old, new) -EINVAL
#define audit_tree_path(rule) "" /* never called */
#define audit_kill_trees(context) BUG()

11
kernel/auditsc.c
View file

@ -805,8 +805,7 @@ static int audit_in_mask(const struct audit_krule *rule, unsigned long val)
* (i.e., the state is AUDIT_SETUP_CONTEXT or AUDIT_BUILD_CONTEXT).
*/
static void audit_filter_syscall(struct task_struct *tsk,
struct audit_context *ctx,
struct list_head *list)
struct audit_context *ctx)
{
struct audit_entry *e;
enum audit_state state;
@ -815,7 +814,7 @@ static void audit_filter_syscall(struct task_struct *tsk,
return;
rcu_read_lock();
list_for_each_entry_rcu(e, list, list) {
list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_EXIT], list) {
if (audit_in_mask(&e->rule, ctx->major) &&
audit_filter_rules(tsk, &e->rule, ctx, NULL,
&state, false)) {
@ -1627,8 +1626,7 @@ void __audit_free(struct task_struct *tsk)
context->return_valid = AUDITSC_INVALID;
context->return_code = 0;
audit_filter_syscall(tsk, context,
&audit_filter_list[AUDIT_FILTER_EXIT]);
audit_filter_syscall(tsk, context);
audit_filter_inodes(tsk, context);
if (context->current_state == AUDIT_RECORD_CONTEXT)
audit_log_exit();
@ -1735,8 +1733,7 @@ void __audit_syscall_exit(int success, long return_code)
else
context->return_code = return_code;
audit_filter_syscall(current, context,
&audit_filter_list[AUDIT_FILTER_EXIT]);
audit_filter_syscall(current, context);
audit_filter_inodes(current, context);
if (context->current_state == AUDIT_RECORD_CONTEXT)
audit_log_exit();