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authorAndrey Konovalov <andreyknvl@google.com>2022-03-25 04:12:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 05:06:48 +0300
commited6d74446cbfb88c747d4b32477a9d46132694db (patch)
treed8905ad03cf22fd131d8ef78913bcb29ba28e6dc /include/linux/kasan.h
parent1a2473f0cbc059f345952654e393df317f7e270c (diff)
downloadlinux-ed6d74446cbfb88c747d4b32477a9d46132694db.tar.xz
kasan: test: support async (again) and asymm modes for HW_TAGS
Async mode support has already been implemented in commit e80a76aa1a91 ("kasan, arm64: tests supports for HW_TAGS async mode") but then got accidentally broken in commit 99734b535d9b ("kasan: detect false-positives in tests"). Restore the changes removed by the latter patch and adapt them for asymm mode: add a sync_fault flag to kunit_kasan_expectation that only get set if the MTE fault was synchronous, and reenable MTE on such faults in tests. Also rename kunit_kasan_expectation to kunit_kasan_status and move its definition to mm/kasan/kasan.h from include/linux/kasan.h, as this structure is only internally used by KASAN. Also put the structure definition under IS_ENABLED(CONFIG_KUNIT). Link: https://lkml.kernel.org/r/133970562ccacc93ba19d754012c562351d4a8c8.1645033139.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kasan.h')
-rw-r--r--include/linux/kasan.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 903b9453931d..fe36215807f7 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -19,11 +19,6 @@ struct task_struct;
#include <linux/linkage.h>
#include <asm/kasan.h>
-/* kasan_data struct is used in KUnit tests for KASAN expected failures */
-struct kunit_kasan_expectation {
- bool report_found;
-};
-
#endif
typedef unsigned int __bitwise kasan_vmalloc_flags_t;