Messages in this thread | | | Subject | Re: [kernel-hardening] [PATCH v2 1/7] bug: Clarify help text for BUG_ON_DATA_CORRUPTION | From | Ian Campbell <> | Date | Wed, 05 Apr 2017 06:47:21 +0100 |
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> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 77fadface4f9..5ac4d1148385 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -1998,9 +1998,12 @@ 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
First it says it enables some checks, but here it says it upgrades them to BUGs which seems inconsistent.
> + that the offending process is killed. Additionally, the system > + owner can furhter configure the system for immediate reboots
"further"
> + (via panic_on_oops sysctl) or crash dumps. > > > If unsure, say N. >
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