Kees Cook <keescook@xxxxxxxxxxxx> writes: > On Wed, Oct 20, 2021 at 12:43:59PM -0500, Eric W. Biederman wrote: >> This is interesting both because it makes force_sigsegv simpler and >> because there are a couple of buggy places in the kernel that call >> do_exit(SIGILL) or do_exit(SIGSYS) because there is no straight >> forward way today for those places to simply force the exit of a >> process with the chosen signal. Creating force_fatal_sig allows >> those places to be implemented with normal signal exits. > > I assume this is talking about seccomp()? :) Should a patch be included > in this series to change those? Actually it is not talking about seccomp. As far as I can tell seccomp is deliberately only killing a single thread when it calls do_exit. I am thinking about places where we really want the entire process to die and not just a single thread. Please see the following changes where I actually use force_fatal_sig. Eric
