The patch titled
Subject: lib: test_kasan: add some testcases
has been added to the -mm tree. Its filename is
lib-test_kasan-add-some-testcases.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-test_kasan-add-some-testcases.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-test_kasan-add-some-testcases.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Wang Long <long.wanglong@xxxxxxxxxx>
Subject: lib: test_kasan: add some testcases
Add some out of bounds testcases to test_kasan module.
Signed-off-by: Wang Long <long.wanglong@xxxxxxxxxx>
Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Vladimir Murzin <vladimir.murzin@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/test_kasan.c | 69 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
diff -puN lib/test_kasan.c~lib-test_kasan-add-some-testcases lib/test_kasan.c
--- a/lib/test_kasan.c~lib-test_kasan-add-some-testcases
+++ a/lib/test_kasan.c
@@ -138,6 +138,71 @@ static noinline void __init kmalloc_oob_
kfree(ptr2);
}
+static noinline void __init kmalloc_oob_memset_2(void)
+{
+ char *ptr;
+ size_t size = 8;
+
+ pr_info("out-of-bounds in memset2\n");
+ ptr = kmalloc(size, GFP_KERNEL);
+ if (!ptr) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ memset(ptr+7, 0, 2);
+ kfree(ptr);
+}
+
+static noinline void __init kmalloc_oob_memset_4(void)
+{
+ char *ptr;
+ size_t size = 8;
+
+ pr_info("out-of-bounds in memset4\n");
+ ptr = kmalloc(size, GFP_KERNEL);
+ if (!ptr) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ memset(ptr+5, 0, 4);
+ kfree(ptr);
+}
+
+
+static noinline void __init kmalloc_oob_memset_8(void)
+{
+ char *ptr;
+ size_t size = 8;
+
+ pr_info("out-of-bounds in memset8\n");
+ ptr = kmalloc(size, GFP_KERNEL);
+ if (!ptr) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ memset(ptr+1, 0, 8);
+ kfree(ptr);
+}
+
+static noinline void __init kmalloc_oob_memset_16(void)
+{
+ char *ptr;
+ size_t size = 16;
+
+ pr_info("out-of-bounds in memset16\n");
+ ptr = kmalloc(size, GFP_KERNEL);
+ if (!ptr) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ memset(ptr+1, 0, 16);
+ kfree(ptr);
+}
+
static noinline void __init kmalloc_oob_in_memset(void)
{
char *ptr;
@@ -264,6 +329,10 @@ static int __init kmalloc_tests_init(voi
kmalloc_oob_krealloc_less();
kmalloc_oob_16();
kmalloc_oob_in_memset();
+ kmalloc_oob_memset_2();
+ kmalloc_oob_memset_4();
+ kmalloc_oob_memset_8();
+ kmalloc_oob_memset_16();
kmalloc_uaf();
kmalloc_uaf_memset();
kmalloc_uaf2();
_
Patches currently in -mm which might be from long.wanglong@xxxxxxxxxx are
lib-test_kasan-add-some-testcases.patch
kasan-fix-a-type-conversion-error.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
