Hi Pablo, On Fri, Oct 18, 2013 at 12:15:36PM +0100, Pablo Neira Ayuso wrote: > On Thu, Oct 17, 2013 at 02:24:33PM +0100, Will Deacon wrote: > > During kernel stability testing on an SMP ARMv7 system, Yalin Wang > > reported the following panic from the netfilter code: [...] > > This patch adds an smp_wmb() before the assignment to table->private > > (which is essentially publishing newinfo) to ensure that all writes to > > newinfo will be observed before plugging it into the table structure. > > A dependent-read barrier is also added on the consumer side, to ensure > > the same ordering requirement are also respected there. > > We also need fixes for net/ipv6/netfilter/ip6_tables.c and > net/ipv4/netfilter/arp_tables.c as well. Could you extend this patch > and resend? Sure, I can try, but that's going to require a bit of time to sit down and look at the shared data, access order, dependencies etc. I'm currently preparing for Edinburgh, so it might be a while before I get a chance to extend this. Will -- 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
