Messages in this thread Patch in this message | | | From | "Chang S. Bae" <> | Subject | [PATCH v5 01/13] taint: Introduce a new taint flag (insecure) | Date | Fri, 1 Feb 2019 12:53:06 -0800 |
| |
For testing (or root-only) purposes, the new flag will serve to tag the kernel taint accurately.
When adding a new feature support, patches need to be incrementally applied and tested with temporal parameters. Currently, there is no flag for this usage.
Suggested-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> --- Documentation/sysctl/kernel.txt | 1 + include/linux/kernel.h | 3 ++- kernel/panic.c | 1 + 3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 379063e58326..fb4244515314 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -1064,6 +1064,7 @@ ORed together. The letters are seen in "Tainted" line of Oops reports. 32768 (K): The kernel has been live patched. 65536 (X): Auxiliary taint, defined and used by for distros. 131072 (T): The kernel was built with the struct randomization plugin. +262144 (Z): The kernel is running in a known insecure configuration. ============================================================== diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 8f0e68e250a7..dc149ff8cc52 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -599,7 +599,8 @@ extern enum system_states { #define TAINT_LIVEPATCH 15 #define TAINT_AUX 16 #define TAINT_RANDSTRUCT 17 -#define TAINT_FLAGS_COUNT 18 +#define TAINT_INSECURE 18 +#define TAINT_FLAGS_COUNT 19 struct taint_flag { char c_true; /* character printed when tainted */ diff --git a/kernel/panic.c b/kernel/panic.c index f121e6ba7e11..cb6b90538375 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -362,6 +362,7 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = { [ TAINT_LIVEPATCH ] = { 'K', ' ', true }, [ TAINT_AUX ] = { 'X', ' ', true }, [ TAINT_RANDSTRUCT ] = { 'T', ' ', true }, + [ TAINT_INSECURE ] = { 'Z', ' ', false }, }; /** -- 2.19.1
| |