On Wed, Oct 20, 2021 at 12:44:02PM -0500, Eric W. Biederman wrote: > Modify the 32bit version of setup_rt_frame and setup_frame to act > similar to the 64bit version of setup_rt_frame and fail with a signal > instead of calling do_exit. > > Replacing do_exit(SIGILL) with force_fatal_signal(SIGILL) ensures that > the process will be terminated cleanly when the stack frame is > invalid, instead of just killing off a single thread and leaving the > process is a weird state. > > Cc: David Miller <davem@xxxxxxxxxxxxx> > Cc: sparclinux@xxxxxxxxxxxxxxx > Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Nicely already had the return path written. :) Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook