diff options
Diffstat (limited to 'lib/Kconfig.ubsan')
| -rw-r--r-- | lib/Kconfig.ubsan | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 49518fb48cab..e07c1ba9ba13 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan | |||
| @@ -18,6 +18,8 @@ config UBSAN_SANITIZE_ALL | |||
| 18 | This option activates instrumentation for the entire kernel. | 18 | This option activates instrumentation for the entire kernel. |
| 19 | If you don't enable this option, you have to explicitly specify | 19 | If you don't enable this option, you have to explicitly specify |
| 20 | UBSAN_SANITIZE := y for the files/directories you want to check for UB. | 20 | UBSAN_SANITIZE := y for the files/directories you want to check for UB. |
| 21 | Enabling this option will get kernel image size increased | ||
| 22 | significantly. | ||
| 21 | 23 | ||
| 22 | config UBSAN_ALIGNMENT | 24 | config UBSAN_ALIGNMENT |
| 23 | bool "Enable checking of pointers alignment" | 25 | bool "Enable checking of pointers alignment" |
| @@ -25,5 +27,5 @@ config UBSAN_ALIGNMENT | |||
| 25 | default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS | 27 | default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 26 | help | 28 | help |
| 27 | This option enables detection of unaligned memory accesses. | 29 | This option enables detection of unaligned memory accesses. |
| 28 | Enabling this option on architectures that support unalligned | 30 | Enabling this option on architectures that support unaligned |
| 29 | accesses may produce a lot of false positives. | 31 | accesses may produce a lot of false positives. |