[Bug uprobes/10185] stap uprobe script on rawhide causes system crash

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2009-05-27 20:12 -------
The uprobes2 code in question reads thusly:

static void uprobe_free_task(struct uprobe_task *utask, bool in_callback)
{
        [...]
        if (utask->engine && (utask->tsk != current || !in_callback)) {
                /*
                 * No other tasks in this process should be running
                 * uprobe_report_* callbacks.  (If they are, utrace_barrier()
                 * here could deadlock.)
                 */
                int result = utrace_control_pid(utask->pid, utask->engine,
                                                                UTRACE_DETACH);
                        BUG_ON(result == -EINPROGRESS);
        }
        [...]



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=10185

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