From: Alexander Potapenko <gli...@google.com> Date: Tue, 25 Apr 2017 15:18:27 +0200
> rawv6_send_hdrinc() expects that the buffer copied from the userspace > contains the IPv6 header, so if too few bytes are copied parts of the > header may remain uninitialized. > > This bug has been detected with KMSAN. > > Signed-off-by: Alexander Potapenko <gli...@google.com> Hmmm, ipv4 seems to lack this check as well. I think we need to be careful here and fully understand why KMSAN doesn't seem to be triggering in the ipv4 case but for ipv6 it is before I apply this. Thanks.