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AUDIT: Really exempt auditd from having its actions audited.
We were only avoiding it on syscall exit before; now stop _everything_. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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@ -477,6 +477,9 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
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int word = AUDIT_WORD(ctx->major);
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int bit = AUDIT_BIT(ctx->major);
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if (audit_pid && ctx->pid == audit_pid)
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return AUDIT_DISABLED;
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rcu_read_lock();
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list_for_each_entry_rcu(e, list, list) {
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if ((e->rule.mask[word] & bit) == bit
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@ -494,6 +497,9 @@ int audit_filter_user(struct task_struct *tsk, int type)
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struct audit_entry *e;
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enum audit_state state;
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if (audit_pid && tsk->pid == audit_pid)
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return AUDIT_DISABLED;
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rcu_read_lock();
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list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_USER], list) {
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if (audit_filter_rules(tsk, &e->rule, NULL, &state)) {
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@ -816,7 +822,7 @@ void audit_free(struct task_struct *tsk)
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/* Check for system calls that do not go through the exit
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* function (e.g., exit_group), then free context block. */
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if (context->in_syscall && context->auditable && context->pid != audit_pid)
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if (context->in_syscall && context->auditable)
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audit_log_exit(context);
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audit_free_context(context);
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@ -921,7 +927,7 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
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if (likely(!context))
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return;
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if (context->in_syscall && context->auditable && context->pid != audit_pid)
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if (context->in_syscall && context->auditable)
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audit_log_exit(context);
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context->in_syscall = 0;
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