Similar to CONFIG_DEBUG_CREDENTIALS, CONFIG_DEBUG_SG already handles calling BUG, and performs inexpensive checks. This enables it under CONFIG_BUG_ON_DATA_CORRUPTION.
Signed-off-by: Kees Cook <[email protected]> --- lib/Kconfig.debug | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 009d6f8c7e5a..42c61cfe7d19 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1267,7 +1267,7 @@ config DEBUG_PI_LIST config DEBUG_SG bool "Debug SG table operations" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION help Enable this to turn on checks on scatter-gather tables. This can help find problems with drivers that do not properly initialize @@ -1995,6 +1995,7 @@ config BUG_ON_DATA_CORRUPTION bool "Trigger a BUG when data corruption is detected" select DEBUG_CREDENTIALS select DEBUG_LIST + select DEBUG_SG help This option enables several inexpensive data corruption checks. Most of these checks normally just WARN and try to further avoid -- 2.7.4
