This expands on the Kconfig help text for CONFIG_BUG_ON_DATA_CORRUPTION.
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
lib/Kconfig.debug | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 97d62c2da6c2..4a73d46711fb 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1995,9 +1995,11 @@ config BUG_ON_DATA_CORRUPTION
bool "Trigger a BUG when data corruption is detected"
select DEBUG_LIST
help
- Select this option if the kernel should BUG when it encounters
- data corruption in kernel memory structures when they get checked
- for validity.
+ This option enables several inexpensive data corruption checks.
+ Most of these checks normally just WARN and try to further avoid
+ the corruption. Selecting this option upgrades these to BUGs, so
+ that a system owner can furhter configure the system for immediate
+ reboots or crash dumps.
If unsure, say N.
--
2.7.4
