On Mon, Mar 02, 2020 at 11:01:56AM -0800, Kristen Carlson Accardi wrote: > On Thu, 2020-02-06 at 20:27 +0100, Jann Horn wrote: > > https://codesearch.debian.net/search?q=%2Fproc%2Fkallsyms&literal=1 > > I looked through some of these packages as Jann suggested, and it seems > like there are several that are using /proc/kallsyms to look for > specific symbol names to determine whether some feature has been > compiled into the kernel. This practice seems dubious to me, knowing > that many kernel symbol names can be changed at any time, but > regardless seems to be fairly common. Cool, so a sorted censored list is fine for non-root. Would root users break on a symbol-name-sorted view? (i.e. are two lists needed or can we stick to one?) -- Kees Cook
