Preventing stack guard-page hopping
Preventing stack guard-page hopping
Posted Jun 21, 2017 11:26 UTC (Wed) by nix (subscriber, #2304)In reply to: Preventing stack guard-page hopping by nybble41
Parent article: Preventing stack guard-page hopping
Chicken Scheme actually uses the same scheme (derived directly from the paper). :) I guess they shifted from alloca() to longjmp() at some point, probably some compatibility problem which would make my head melt to think about.
Posted Jun 21, 2017 14:41 UTC (Wed)
by zblaxell (subscriber, #26385)
[Link]
...like some eager tools maintainer implementing alloca() parameter sanity checks, perhaps? ;)
Preventing stack guard-page hopping
> they shifted from alloca() to longjmp() at some point, probably some compatibility problem...