On Tue, Jan 8, 2019 at 6:41 PM Jason Gunthorpe <jgg@xxxxxxxxxxxx> wrote: > > 'dev' is non NULL when the addr_len check triggers so it must goto a label > that does the dev_put otherwise dev will have a leaked refcount. > > This bug causes the ib_ipoib module to become unloadable when using > systemd-network as it triggers this check on InfiniBand links. > > Fixes: 99137b7888f4 ("packet: validate address length") > Reported-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Acked-by: Willem de Bruijn <willemb@xxxxxxxxxx> Argh, indeed. Thanks for the fix.