K 10 svn:author V 3 jhb K 8 svn:date V 27 2020-01-17T19:13:49.660933Z K 7 svn:log V 316 Check for invalid sstatus values in set_mcontext(). Previously, this check was only in sys_sigreturn() which meant that user applications could write invalid values to the register via setcontext() or swapcontext(). Reviewed by: mhorne Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D23219 END