lkml.org 
[lkml]   [2017]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 7/9] kasan: print page description after stacks
Date
Moves page description after the stacks since it's less important.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
mm/kasan/report.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 87f8293d7b79..09a5f5b4bc79 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -255,9 +255,6 @@ 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)) {
@@ -267,9 +264,14 @@ 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");
}
}

--
2.12.0.rc1.440.g5b76565f74-goog
\
 
 \ /
  Last update: 2017-03-06 17:02    [W:0.040 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site