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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@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-colors
Andrey Konovalov 2017-05-03 14:56:44 -07:00 committed by Linus Torvalds
parent 0c06f1f86c
commit 430a05f91d
1 changed files with 8 additions and 6 deletions
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14
mm/kasan/report.c
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@ -261,9 +261,6 @@ static void print_address_description(struct kasan_access_info *info)
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(struct kasan_access_info *info)
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");
}
}