RTEMS | libmisc/stackchk: Add stack smashing protection (!277)

Gedare Bloom (@gedare) gitlab at rtems.org
Wed Nov 13 23:05:35 UTC 2024




Gedare Bloom started a new discussion on cpukit/libmisc/stackchk/check.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_114876

 >    RTEMS_SYSINIT_ISR_STACK,
 >    RTEMS_SYSINIT_ORDER_MIDDLE
 >  );
 > +
 > +/*
 > + * This is the default implementation. The user can override it 
 > + * at the application 
 > + */
 > +__attribute__((weak,noreturn)) void __stack_chk_fail(void)

This is dead code unless the user provides `-fstack-protector` option. We should probably make a spec file that enables `-fstack-protector` and also defines a `CONFIGURE_` var to enable this code segment?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_114876
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