diff options
Diffstat (limited to 'lib/Kconfig.ubsan')
| -rw-r--r-- | lib/Kconfig.ubsan | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 49518fb48cab..39494af9a84a 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -13,11 +13,18 @@ config UBSAN_SANITIZE_ALL bool "Enable instrumentation for the entire kernel" depends on UBSAN depends on ARCH_HAS_UBSAN_SANITIZE_ALL + + # We build with -Wno-maybe-uninitilzed, but we still want to + # use -Wmaybe-uninitilized in allmodconfig builds. + # So dependsy bellow used to disable this option in allmodconfig + depends on !COMPILE_TEST default y help This option activates instrumentation for the entire kernel. If you don't enable this option, you have to explicitly specify UBSAN_SANITIZE := y for the files/directories you want to check for UB. + Enabling this option will get kernel image size increased + significantly. config UBSAN_ALIGNMENT bool "Enable checking of pointers alignment" @@ -25,5 +32,5 @@ config UBSAN_ALIGNMENT default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS help This option enables detection of unaligned memory accesses. - Enabling this option on architectures that support unalligned + Enabling this option on architectures that support unaligned accesses may produce a lot of false positives. |
