diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/Config-build.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/config/Config-build.in b/config/Config-build.in index 7ec7653a9a..660da1c47f 100644 --- a/config/Config-build.in +++ b/config/Config-build.in @@ -184,6 +184,22 @@ menu "Global build settings" this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package Makefile. + config PKG_ASLR_PIE + bool + prompt "User space ASLR PIE compilation" + select BUSYBOX_DEFAULT_PIE + default n + help + Add -fPIC to CFLAGS and -specs=hardened-build-ld to LDFLAGS. + This enables package build as Position Independent Executables (PIE) + to protect against "return-to-text" attacks. This belongs to the + feature of Address Space Layout Randomisation (ASLR), which is + implemented by the kernel and the ELF loader by randomising the + location of memory allocations. This makes memory addresses harder + to predict when an attacker is attempting a memory-corruption exploit. + You can disable this per package by adding PKG_ASLR_PIE:=0 in the package + Makefile. + choice prompt "User space Stack-Smashing Protection" depends on USE_MUSL |