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Subject[PATCH 19/43] kmsan: init: call KMSAN initialization routines
From
kmsan_initialize_shadow() creates metadata pages for mappings created
at boot time.

kmsan_initialize() initializes the bookkeeping for init_task and enables
KMSAN.

Signed-off-by: Alexander Potapenko <glider@google.com>
---
Link: https://linux-review.googlesource.com/id/I7bc53706141275914326df2345881ffe0cdd16bd
---
init/main.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/init/main.c b/init/main.c
index bb984ed79de0e..2fc5025db0810 100644
--- a/init/main.c
+++ b/init/main.c
@@ -34,6 +34,7 @@
#include <linux/percpu.h>
#include <linux/kmod.h>
#include <linux/kprobes.h>
+#include <linux/kmsan.h>
#include <linux/vmalloc.h>
#include <linux/kernel_stat.h>
#include <linux/start_kernel.h>
@@ -834,6 +835,7 @@ static void __init mm_init(void)
init_mem_debugging_and_hardening();
kfence_alloc_pool();
report_meminit();
+ kmsan_init_shadow();
stack_depot_init();
mem_init();
mem_init_print_info();
@@ -848,6 +850,7 @@ static void __init mm_init(void)
init_espfix_bsp();
/* Should be run after espfix64 is set up. */
pti_init();
+ kmsan_init_runtime();
}

#ifdef CONFIG_HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
--
2.34.1.173.g76aa8bc2d0-goog
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