On Thu, Feb 6, 2020 at 6:51 PM Kristen Carlson Accardi <kristen@xxxxxxxxxxxxxxx> wrote: > On Thu, 2020-02-06 at 04:32 -0800, Kees Cook wrote: > > In the past, making kallsyms entirely unreadable seemed to break > > weird > > stuff in userspace. How about having an alternative view that just > > contains a alphanumeric sort of the symbol names (and they will > > continue > > to have zeroed addresses for unprivileged users)? > > > > Or perhaps we wait to hear about this causing a problem, and deal > > with > > it then? :) > > > > Yeah - I don't know what people want here. Clearly, we can't leave > kallsyms the way it is. Removing it entirely is a pretty fast way to > figure out how people use it though :). FYI, a pretty decent way to see how people are using an API is codesearch.debian.net, which searches through the source code of all the packages debian ships: https://codesearch.debian.net/search?q=%2Fproc%2Fkallsyms&literal=1