From: Eric Dumazet <eric.duma...@gmail.com> Date: Wed, 16 Aug 2017 11:09:12 -0700
> From: Eric Dumazet <eduma...@google.com> > > While working on yet another syzkaller report, I found > that our IP_MAX_MTU enforcements were not properly done. > > gcc seems to reload dev->mtu for min(dev->mtu, IP_MAX_MTU), and > final result can be bigger than IP_MAX_MTU :/ > > This is a problem because device mtu can be changed on other cpus or > threads. > > While this patch does not fix the issue I am working on, it is > probably worth addressing it. > > Signed-off-by: Eric Dumazet <eduma...@google.com> Also applied and queued up for -stable. Thanks.
