On Sun, Oct 13, 2013 at 09:18:41PM +0200, Oleg Nesterov wrote: > uprobe_copy_process() assumes that the new child doesn't need > ->utask, it should be allocated by demand. > > But this is not true if the forking task has the pending ret- > probes, the child should report them as well and thus it needs > the copy of parent's ->return_instances chain. Otherwise the > child crashes when it returns from the probed function.
So children don't automagically inherit the same probes (only though the high level interface -- like perf), so wouldn't simply fixing up the child stack be a solution? If not; its not entirely clear to my why this isn't a good solution based on these changelogs. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
