diff options
Diffstat (limited to 'drivers/misc/lkdtm')
-rw-r--r-- | drivers/misc/lkdtm/cfi.c | 2 | ||||
-rw-r--r-- | drivers/misc/lkdtm/fortify.c | 6 | ||||
-rw-r--r-- | drivers/misc/lkdtm/perms.c | 5 |
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/misc/lkdtm/cfi.c b/drivers/misc/lkdtm/cfi.c index 6a33889d0902..c3971f7caa65 100644 --- a/drivers/misc/lkdtm/cfi.c +++ b/drivers/misc/lkdtm/cfi.c @@ -43,7 +43,7 @@ static void lkdtm_CFI_FORWARD_PROTO(void) lkdtm_indirect_call((void *)lkdtm_increment_int); pr_err("FAIL: survived mismatched prototype function call!\n"); - pr_expected_config(CONFIG_CFI_CLANG); + pr_expected_config(CONFIG_CFI); } /* diff --git a/drivers/misc/lkdtm/fortify.c b/drivers/misc/lkdtm/fortify.c index 015927665678..00ed2147113e 100644 --- a/drivers/misc/lkdtm/fortify.c +++ b/drivers/misc/lkdtm/fortify.c @@ -44,6 +44,9 @@ static void lkdtm_FORTIFY_STR_MEMBER(void) char *src; src = kmalloc(size, GFP_KERNEL); + if (!src) + return; + strscpy(src, "over ten bytes", size); size = strlen(src) + 1; @@ -109,6 +112,9 @@ static void lkdtm_FORTIFY_MEM_MEMBER(void) char *src; src = kmalloc(size, GFP_KERNEL); + if (!src) + return; + strscpy(src, "over ten bytes", size); size = strlen(src) + 1; diff --git a/drivers/misc/lkdtm/perms.c b/drivers/misc/lkdtm/perms.c index 6c24426104ba..e1f5e9abb301 100644 --- a/drivers/misc/lkdtm/perms.c +++ b/drivers/misc/lkdtm/perms.c @@ -9,6 +9,7 @@ #include <linux/vmalloc.h> #include <linux/mman.h> #include <linux/uaccess.h> +#include <linux/objtool.h> #include <asm/cacheflush.h> #include <asm/sections.h> @@ -86,6 +87,10 @@ static noinline __nocfi void execute_location(void *dst, bool write) func(); pr_err("FAIL: func returned\n"); } +/* + * Explicitly doing the wrong thing for testing. + */ +ANNOTATE_NOCFI_SYM(execute_location); static void execute_user_location(void *dst) { |