[PATCH] kasan: add __asan_report_loadN/storeN_noabort callbacks

From: Andrey Konovalov
Date: Fri Jan 19 2018 - 12:44:37 EST


Instead of __asan_report_load_n_noabort and __asan_report_store_n_noabort
callbacks Clang emits differently named __asan_report_loadN_noabort and
__asan_report_storeN_noabort (similar to __asan_loadN/storeN_noabort, whose
names both GCC and Clang agree on).

Add callback implementation for __asan_report_loadN/storeN_noabort.

Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
---
mm/kasan/report.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index eff12e040498..caf4c9e948c6 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -450,3 +450,15 @@ void __asan_report_store_n_noabort(unsigned long addr, size_t size)
kasan_report(addr, size, true, _RET_IP_);
}
EXPORT_SYMBOL(__asan_report_store_n_noabort);
+
+void __asan_report_loadN_noabort(unsigned long addr, size_t size)
+{
+ kasan_report(addr, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_loadN_noabort);
+
+void __asan_report_storeN_noabort(unsigned long addr, size_t size)
+{
+ kasan_report(addr, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_storeN_noabort);
--
2.16.0.rc1.238.g530d649a79-goog