From: Eric Dumazet <[email protected]>
Date: Sat, 27 Jun 2020 13:31:50 -0700
> syzbot was to trigger a bug by tricking AF_LLC with
> non sensible addr->sllc_arphrd
>
> It seems clear LLC requires an Ethernet device.
>
> Back in commit abf9d537fea2 ("llc: add support for SO_BINDTODEVICE")
> Octavian Purdila added possibility for application to use a zero
> value for sllc_arphrd, convert it to ARPHRD_ETHER to not cause
> regressions on existing applications.
...
> Fixes: abf9d537fea2 ("llc: add support for SO_BINDTODEVICE")
> Signed-off-by: Eric Dumazet <[email protected]>
Applied and queued up for -stable, thanks Eric.
