AUDIT: Fix task refcount leak in audit_filter_syscall()

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 46b45ab..a73176e 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1007,7 +1007,7 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
        /* Not having a context here is ok, since the parent may have
         * called __put_task_struct. */
        if (likely(!context))
-               return;
+               goto out;
 
        if (context->in_syscall && context->auditable)
                audit_log_exit(context, GFP_KERNEL);
@@ -1026,6 +1026,7 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
                audit_zero_context(context, context->state);
                tsk->audit_context = context;
        }
+ out:
        put_task_struct(tsk);
 }