[patch 100/102] kasan: print page description after stacks

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From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: print page description after stacks

Moves page description after the stacks since it's less important.

Link: http://lkml.kernel.org/r/20170302134851.101218-8-andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Acked-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/kasan/report.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff -puN mm/kasan/report.c~kasan-print-page-description-after-stacks mm/kasan/report.c
--- a/mm/kasan/report.c~kasan-print-page-description-after-stacks
+++ a/mm/kasan/report.c
@@ -261,9 +261,6 @@ static void print_address_description(st
 	void *addr = (void *)info->access_addr;
 	struct page *page = addr_to_page(addr);
 
-	if (page)
-		dump_page(page, "kasan: bad access detected");
-
 	dump_stack();
 
 	if (page && PageSlab(page)) {
@@ -273,9 +270,14 @@ static void print_address_description(st
 		describe_object(cache, object, addr);
 	}
 
-	if (kernel_or_module_addr(addr)) {
-		if (!init_task_stack_addr(addr))
-			pr_err("Address belongs to variable %pS\n", addr);
+	if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) {
+		pr_err("The buggy address belongs to the variable:\n");
+		pr_err(" %pS\n", addr);
+	}
+
+	if (page) {
+		pr_err("The buggy address belongs to the page:\n");
+		dump_page(page, "kasan: bad access detected");
 	}
 }
 
_
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