tree e33cdd16816ecaca46c9793c02a357cd71110d81
parent cca35ac4d16c0633a7d3bd28448e4ef52f0d46b0
author Prasad J Pandit <pjp@fedoraproject.org> 1585070842 +0530
committer Jason Wang <jasowang@redhat.com> 1585660475 +0800

net: tulip: check frame size and r/w data length

Tulip network driver while copying tx/rx buffers does not check
frame size against r/w data length. This may lead to OOB buffer
access. Add check to avoid it.

Limit iterations over descriptors to avoid potential infinite
loop issue in tulip_xmit_list_update.

Reported-by: Li Qiang <pangpei.lq@antfin.com>
Reported-by: Ziming Zhang <ezrakiez@gmail.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Tested-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>