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SubjectRe: [PATCH 2/2 net] ip6_gre: add validation for csum_start
On Sat, Aug 21, 2021 at 3:14 AM Shreyansh Chouhan
<chouhan.shreyansh630@gmail.com> wrote:
>
> Validate csum_start in gre_handle_offloads before we call _gre_xmit so
> that we do not crash later when the csum_start value is used in the
> lco_csum function call.
>
> This patch deals with ipv6 code.
>
> Fixes: Fixes: b05229f44228 ("gre6: Cleanup GREv6 transmit path, call common
> GRE functions")
> Reported-by: syzbot+ff8e1b9f2f36481e2efc@syzkaller.appspotmail.com
> Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>

Reviewed-by: Willem de Bruijn <willemb@google.com>

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