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4 Commits

Author SHA1 Message Date
Andrey Konovalov
d7196d87a1 kasan: unify printk prefixes 
Unify prefixes for printk messages in mm/kasan/.

Link: https://lkml.kernel.org/r/35589629806cf0840e5f01ec9d8011a7bad648df.1696605143.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2023-10-18 14:34:15 -07:00
Andrey Konovalov
b2c5bd4c69 kasan: migrate workqueue_uaf test to kunit 
Migrate the workqueue_uaf test to the KUnit framework.

Initially, this test was intended to check that Generic KASAN prints
auxiliary stack traces for workqueues.  Nevertheless, the test is enabled
for all modes to make that KASAN reports bad accesses in the tested
scenario.

The presence of auxiliary stack traces for the Generic mode needs to be
inspected manually.

Link: https://lkml.kernel.org/r/1d81b6cc2a58985126283d1e0de8e663716dd930.1664298455.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-11-08 17:37:14 -08:00
Andrey Konovalov
8516e837ca kasan: migrate kasan_rcu_uaf test to kunit 
Migrate the kasan_rcu_uaf test to the KUnit framework.

Changes to the implementation of the test:

- Call rcu_barrier() after call_rcu() to make that the RCU callbacks get
  triggered before the test is over.

- Cast pointer passed to rcu_dereference_protected as __rcu to get rid of
  the Sparse warning.

- Check that KASAN prints a report via KUNIT_EXPECT_KASAN_FAIL.

Initially, this test was intended to check that Generic KASAN prints
auxiliary stack traces for RCU objects. Nevertheless, the test is enabled
for all modes to make that KASAN reports bad accesses in RCU callbacks.

The presence of auxiliary stack traces for the Generic mode needs to be
inspected manually.

Link: https://lkml.kernel.org/r/897ee08d6cd0ba7e8a4fbfd9d8502823a2f922e6.1664298455.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-11-08 17:37:14 -08:00
Andrey Konovalov
f7e01ab828 kasan: move tests to mm/kasan/ 
Move KASAN tests to mm/kasan/ to keep the test code alongside the
implementation.

Link: https://lkml.kernel.org/r/676398f0aeecd47d2f8e3369ea0e95563f641a36.1662416260.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-03 14:03:02 -07:00