untrusted comment: signature from openbsd 6.1 base secret key
RWQEQa33SgQSEn2gSjsLGHt1S/7bw7HQMq8RQpBaux/sGxLP3zGOjYZNaXayxw2dm+dugVWMPTnPBqI2tbFeIH3LU359ew/BKgA=
OpenBSD 6.1 errata 021, August 3, 2017:
An uninitialized variable in ptrace() may result in an info leak.
And then rebuild and install a new kernel:
KK=`sysctl -n kern.osversion | cut -d# -f1`
cd /usr/src/sys/arch/`machine`/compile/$KK
make obj
make config
make
make install