On Fri, Apr 29, 2016 at 11:17:54AM +0200, Florian Westphal wrote: > Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote: > > This is a forward-ported original patch from Andrzej Hajda, he said: > > > > "IS_ERR_VALUE should be used only with unsigned long type. > > Otherwise it can work incorrectly. To achieve this function > > xt_percpu_counter_alloc is modified to return unsigned long, > > and its result is assigned to temporary variable to perform > > error checking, before assigning to .pcnt field. > > > > The patch follows conclusion from discussion on LKML [1][2]. > > > > [1]: http://permalink.gmane.org/gmane.linux.kernel/2120927 > > [2]: http://permalink.gmane.org/gmane.linux.kernel/2150581" > > > > Original patch from Andrzej is here: > > > > http://patchwork.ozlabs.org/patch/582970/ > > > > This patch has clashed with input validation fixes for x_tables. > > AFAICS this isn't a bug fix so I'm fine with this going into nf-next. This seems to affect 32-bits arch, we could qualify this as nf. But this has been there for a while without nobody noticing in runtime kernels, this problem got uncovered by analysis I think. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html