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

[Gedare Bloom (@gedare)]

Merge request https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277 was reviewed by Gedare Bloom

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Gedare Bloom started a new discussion on spec/build/testsuites/libtests/stackchk05.yml: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_114220

 > +build-type: test-program
 > +cflags:
 > +- "-DSTACK_CHK_GUARD_VALUE=0xA7A7A7A7"

this is still the old define?

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Gedare Bloom started a new discussion on cpukit/libmisc/stackchk/check.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_114221

 > +  __attribute__((weak)) uintptr_t __stack_chk_guard = RTEMS_STACK_CHECKER_GUARD_VALUE;
 > +
 > +#else

Why have this "DISABLE_STACK_CHK_GUARD_RUNTIME_CONFIG"?

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Gedare Bloom started a new discussion on testsuites/libtests/stackchk05/stackchk05.scn: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_114222

 > +*** TEST STACK CHECKER ***
 > +BLOWN STACK!!!

How did you run this so that this gets printed?


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