default or selected kernelversion does not have config value CONFIG_CC_STACKPROTECTOR_ALL.
Result is shown for kernelversion 5.3.7
Use stack-protector for all functions
configname: CONFIG_CC_STACKPROTECTOR_ALL
Linux Kernel Configuration for x86
└─>Processor type and features
└─>Use stack-protector for all functions
In linux kernel since version 2.6.19 (release Date: 2006-11-29)
Normally, GCC only inserts the canary value protection for
functions that use large-ish on-stack buffers. By enabling
this option, GCC will be asked to do this for ALL functions.
functions that use large-ish on-stack buffers. By enabling
this option, GCC will be asked to do this for ALL functions.