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-rw-r--r--config/Config-kernel.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index f5b42b71ee..abb85c83be 100644
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -173,6 +173,7 @@ config KERNEL_KASAN_EXTRA
CONFIG KERNEL_KASAN_VMALLOC
bool "Back mappings in vmalloc space with real shadow memory"
depends on KERNEL_KASAN
+ help
By default, the shadow region for vmalloc space is the read-only
zero page. This means that KASAN cannot detect errors involving
vmalloc space.