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Index: sys/conf/kern.pre.mk
===================================================================
--- sys/conf/kern.pre.mk
+++ sys/conf/kern.pre.mk
@@ -107,6 +107,16 @@
.endif
DEFINED_PROF= ${PROF}
+KASAN_ENABLED!= grep KASAN opt_global.h || true ; echo
+.if !empty(KASAN_ENABLED)
+SAN_CFLAGS+= -fsanitize=kernel-address \
+ -mllvm -asan-stack=true \
+ -mllvm -asan-instrument-dynamic-allocas=true \
+ -mllvm -asan-globals=true \
+ -mllvm -asan-use-after-scope=true \
+ -mllvm -asan-instrumentation-with-call-threshold=0
+.endif
+
KCSAN_ENABLED!= grep KCSAN opt_global.h || true ; echo
.if !empty(KCSAN_ENABLED)
SAN_CFLAGS+= -fsanitize=thread
Index: sys/conf/options
===================================================================
--- sys/conf/options
+++ sys/conf/options
@@ -229,6 +229,7 @@
# Sanitizers
COVERAGE opt_global.h
+KASAN opt_global.h
KCOV
KCSAN opt_global.h
KUBSAN opt_global.h

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