Re: HEADS-UP: PIE enabled by default on stable/13
Date: Mon, 24 Jan 2022 07:16:09 UTC
W dniu 24.01.2022 o 07:42, Marcin Wojtas pisze: > +freebsd-stable@ > > niedz., 23 sty 2022 o 11:36 Marcin Wojtas <mw@semihalf.com> napisał(a): >> >> Hi, >> >> As of 396e9f259d962 the base system binaries are now built as position-independent executable (PIE) by default, for 64-bit architectures. Thanks to that enabling ASLR can be done simply >> by sysctls knobs when booting the kernel. >> >> If you track stable/13 and normally build WITHOUT_CLEAN you'll need to do one initial clean build -- either run `make cleanworld` or set WITH_CLEAN=yes. >> >> The change is a pure MFC of the changes integrated to -CURRENT early 2021 and no issues are expected, but in case any problems are observed, please issue a PR and/or let me know in this thread. >> >> Best regards, >> Marcin > Thanks for enabling this. If I understand it correctly we got some improvements mentioned here[1] and it doesn't imply that ASLR has to be enabled, especially kern.elf64.aslr.pie_enable can be still set to 0 ? [1] https://www.mail-archive.com/freebsd-current@freebsd.org/msg183605.html -- Marek Zarychta