From: Eric Dumazet <eduma...@google.com> Date: Tue, 19 May 2020 18:24:43 -0700
> syzbot was able to trigger this trace [1], probably by using
> a zero optlen.
>
> While we are at it, cap optlen to IFNAMSIZ - 1 instead of IFNAMSIZ.
>
> [1]
...
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Reported-by: syzbot <syzkal...@googlegroups.com>
Applied and queued up for -stable with s/ax24/ax25/, thanks.
