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menuconfig: add help description for Stack Smashing Protection options

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Descriptions taken from:
https://wiki.osdev.org/Stack_Smashing_Protector

Signed-off-by: Marius Dinu <m95d+git@psihoexpert.ro>
Link: https://github.com/openwrt/openwrt/pull/16897
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit cbf7be9fb37baaaf7ee5c2b6315028bd47c764bc)
Link: https://github.com/openwrt/openwrt/pull/17097
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Marius Dinu 2024-11-09 19:20:47 +02:00 committed by Petr Štetiar
parent 68465e524b
commit f05d49cfbd
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1 changed files with 18 additions and 0 deletions
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18
config/Config-build.in
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@ -295,12 +295,22 @@ menu "Global build settings"
Enable GCC Stack Smashing Protection (SSP) for userspace applications
config PKG_CC_STACKPROTECTOR_NONE
bool "None"
help
No stack smashing protection.
config PKG_CC_STACKPROTECTOR_REGULAR
bool "Regular"
help
Protects functions with vulnerable objects.
This includes functions with buffers larger than 8 bytes or calls to alloca.
config PKG_CC_STACKPROTECTOR_STRONG
bool "Strong"
help
Like Regular, but also protects functions with
local arrays or references to local frame addresses.
config PKG_CC_STACKPROTECTOR_ALL
bool "All"
help
Protects all functions.
endchoice
choice
@ -310,10 +320,18 @@ menu "Global build settings"
Enable GCC Stack-Smashing Protection (SSP) for the kernel
config KERNEL_CC_STACKPROTECTOR_NONE
bool "None"
help
No stack smashing protection.
config KERNEL_CC_STACKPROTECTOR_REGULAR
bool "Regular"
help
Protects functions with vulnerable objects.
This includes functions with buffers larger than 8 bytes or calls to alloca.
config KERNEL_CC_STACKPROTECTOR_STRONG
bool "Strong"
help
Like Regular, but also protects functions with
local arrays or references to local frame addresses.
endchoice
config KERNEL_STACKPROTECTOR