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[PATCH V2 2/4] mm/kasan: MODULE_VADDR is not available on all archs

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  [PATCH V2 2/4] mm/kasan: MODULE_VADDR is not available on all archs "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2015-09-07 10:30 +0200
    Re: [PATCH V2 2/4] mm/kasan: MODULE_VADDR is not available on all  archs Andrey Ryabinin <ryabinin.a.a@gmail.com> - 2015-09-08 14:50 +0200

#1219984 — [PATCH V2 2/4] mm/kasan: MODULE_VADDR is not available on all archs

Use is_module_address instead

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 mm/kasan/report.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 6c3f82b0240b..d269f2087faf 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -22,6 +22,7 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/kasan.h>
+#include <linux/module.h>
 
 #include <asm/sections.h>
 
@@ -85,9 +86,11 @@ static void print_error_description(struct kasan_access_info *info)
 
 static inline bool kernel_or_module_addr(const void *addr)
 {
-	return (addr >= (void *)_stext && addr < (void *)_end)
-		|| (addr >= (void *)MODULES_VADDR
-			&& addr < (void *)MODULES_END);
+	if (addr >= (void *)_stext && addr < (void *)_end)
+		return true;
+	if (is_module_address((unsigned long)addr))
+		return true;
+	return false;
 }
 
 static inline bool init_task_stack_addr(const void *addr)
-- 
2.5.0

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#1220749 — Re: [PATCH V2 2/4] mm/kasan: MODULE_VADDR is not available on all archs

On 09/07/2015 11:28 AM, Aneesh Kumar K.V wrote:
> Use is_module_address instead
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

Reviewed-by: Andrey Ryabinin <ryabinin.a.a@gmail.com>
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