CVSROOT: /cvs Module name: src Changes by: an...@cvs.openbsd.org 2019/03/02 00:42:03
Modified files:
sys/dev/wscons : wsmux.c
Log message:
Limited the number of allowed stacked wsmux devices. A sufficiently long chain
of such devices can exhaust the kernel stack due to wsmux_do_open() being
recursive. While here, serialize the operation of stacking a wsmux device.
Joint effort with and ok visa@
