On Fri, Oct 05, 2012 at 01:21:02AM +0400, Andrew Vagin wrote: > Here is a stack trace of recursion: > free_pid_ns(parent) > put_pid_ns(parent) > kref_put(&ns->kref, free_pid_ns); > free_pid_ns > > This patch turns recursion into loops. > > pidns can be nested many times, so in case of recursion > a simple user space program can provoke a kernel panic > due to exceed of a kernel stack.
Acked-by: Cyrill Gorcunov <gorcu...@openvz.org> Looks good to me. Thanks Andrew! -- 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/
