On Tue 04-04-17 13:30:22, Michal Hocko wrote: > On Fri 31-03-17 09:40:28, Kees Cook wrote: > > As found in PaX, this adds a cheap check on heap consistency, just to > > notice if things have gotten corrupted in the page lookup. > > > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > > NAK without a proper changelog. Seriously, we do not blindly apply > changes from other projects without a deep understanding of all > consequences. This still seems to be in the mmotm tree http://www.ozlabs.org/~akpm/mmotm/broken-out/mm-add-additional-consistency-check.patch I hope we have agreed that this is not the right approach to handle invalid pointers in kfree and rather go soemthing like http://lkml.kernel.org/r/20170411141956.GP6729@xxxxxxxxxxxxxx instead. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>