On Wed, 2013-07-03 at 19:54 +0200, Oleg Nesterov wrote: > On 07/03, Oleg Nesterov wrote: > > > > IOW. So far _I think_ we just need the additional changes in > > trace_remove_event_call() if it succeeds (with the patch I sent) > > to prevent the races like above, but I didn't even try to think > > about this problem. > > And I guess greatly underestimated the problem(s). When I look at > this code now, it seems that, say, event_enable_write() will use > the already freed ftrace_event_file in this case. > > Still I think this is another (although closely related) problem.
Correct, and I think if we fix that problem, it will encapsulate fixing the kprobe race too. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
