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lkdtm/usercopy: Rename "heap" to "slab" 

To more clearly distinguish between the various heap types, rename the
slab tests to "slab".

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Kees Cook 2022-05-11 22:46:09 -07:00
parent 2a0338769f
commit d2b8060f16
2 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/misc/lkdtm/usercopy.c
View File

@ -130,7 +130,7 @@ free_user:
* This checks for whole-object size validation with hardened usercopy,
* with or without usercopy whitelisting.
*/
static void do_usercopy_heap_size(bool to_user)
static void do_usercopy_slab_size(bool to_user)
{
unsigned long user_addr;
unsigned char *one, *two;
@ -196,9 +196,9 @@ free_kernel:
/*
* This checks for the specific whitelist window within an object. If this
* test passes, then do_usercopy_heap_size() tests will pass too.
* test passes, then do_usercopy_slab_size() tests will pass too.
*/
static void do_usercopy_heap_whitelist(bool to_user)
static void do_usercopy_slab_whitelist(bool to_user)
{
unsigned long user_alloc;
unsigned char *buf = NULL;
@ -272,24 +272,24 @@ free_alloc:
}
/* Callable tests. */
static void lkdtm_USERCOPY_HEAP_SIZE_TO(void)
static void lkdtm_USERCOPY_SLAB_SIZE_TO(void)
{
do_usercopy_heap_size(true);
do_usercopy_slab_size(true);
}
static void lkdtm_USERCOPY_HEAP_SIZE_FROM(void)
static void lkdtm_USERCOPY_SLAB_SIZE_FROM(void)
{
do_usercopy_heap_size(false);
do_usercopy_slab_size(false);
}
static void lkdtm_USERCOPY_HEAP_WHITELIST_TO(void)
static void lkdtm_USERCOPY_SLAB_WHITELIST_TO(void)
{
do_usercopy_heap_whitelist(true);
do_usercopy_slab_whitelist(true);
}
static void lkdtm_USERCOPY_HEAP_WHITELIST_FROM(void)
static void lkdtm_USERCOPY_SLAB_WHITELIST_FROM(void)
{
do_usercopy_heap_whitelist(false);
do_usercopy_slab_whitelist(false);
}
static void lkdtm_USERCOPY_STACK_FRAME_TO(void)
@ -358,10 +358,10 @@ void __exit lkdtm_usercopy_exit(void)
}
static struct crashtype crashtypes[] = {
CRASHTYPE(USERCOPY_HEAP_SIZE_TO),
CRASHTYPE(USERCOPY_HEAP_SIZE_FROM),
CRASHTYPE(USERCOPY_HEAP_WHITELIST_TO),
CRASHTYPE(USERCOPY_HEAP_WHITELIST_FROM),
CRASHTYPE(USERCOPY_SLAB_SIZE_TO),
CRASHTYPE(USERCOPY_SLAB_SIZE_FROM),
CRASHTYPE(USERCOPY_SLAB_WHITELIST_TO),
CRASHTYPE(USERCOPY_SLAB_WHITELIST_FROM),
CRASHTYPE(USERCOPY_STACK_FRAME_TO),
CRASHTYPE(USERCOPY_STACK_FRAME_FROM),
CRASHTYPE(USERCOPY_STACK_BEYOND),

8
tools/testing/selftests/lkdtm/tests.txt
View File

@ -64,10 +64,10 @@ REFCOUNT_DEC_AND_TEST_SATURATED Saturation detected: still saturated
REFCOUNT_SUB_AND_TEST_SATURATED Saturation detected: still saturated
#REFCOUNT_TIMING timing only
#ATOMIC_TIMING timing only
USERCOPY_HEAP_SIZE_TO
USERCOPY_HEAP_SIZE_FROM
USERCOPY_HEAP_WHITELIST_TO
USERCOPY_HEAP_WHITELIST_FROM
USERCOPY_SLAB_SIZE_TO
USERCOPY_SLAB_SIZE_FROM
USERCOPY_SLAB_WHITELIST_TO
USERCOPY_SLAB_WHITELIST_FROM
USERCOPY_STACK_FRAME_TO
USERCOPY_STACK_FRAME_FROM
USERCOPY_STACK_BEYOND