On Thu, Jun 15, 2017 at 03:03:39PM +0100, Dave P Martin wrote: > Currently, rt_sigreturn does very limited checking on the > sigcontext coming from userspace. > > Future additions to the sigcontext data will increase the potential > for surprises. Also, it is not clear whether the sigcontext > extension records are supposed to occur in a particular order. > > To allow the parsing code to be extended more easily, this patch > factors out the sigcontext parsing into a separate function, and > adds extra checks to validate the well-formedness of the sigcontext > structure. > > Signed-off-by: Dave Martin <Dave.Martin@xxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
