[openwrt/openwrt] menuconfig: add help description for Stack Smashing Protection options

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-24.10:
https://git.openwrt.org/f05d49cfbda927a618123ccc787b52640baed5e3

commit f05d49cfbda927a618123ccc787b52640baed5e3
Author: Marius Dinu <m95d+git at psihoexpert.ro>
AuthorDate: Sat Nov 9 19:20:47 2024 +0200

    menuconfig: add help description for Stack Smashing Protection options
    
    Descriptions taken from:
    https://wiki.osdev.org/Stack_Smashing_Protector
    
    Signed-off-by: Marius Dinu <m95d+git at psihoexpert.ro>
    Link: https://github.com/openwrt/openwrt/pull/16897
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
    (cherry picked from commit cbf7be9fb37baaaf7ee5c2b6315028bd47c764bc)
    Link: https://github.com/openwrt/openwrt/pull/17097
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 config/Config-build.in | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/config/Config-build.in b/config/Config-build.in
index 41c1daccd9..481be0bb6c 100644
--- a/config/Config-build.in
+++ b/config/Config-build.in
@@ -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