lkml.org 
[lkml]   [2018]   [Jan]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 05/36] usercopy: WARN() on slab cache usercopy region violations
On Tue, 9 Jan 2018, Kees Cook wrote:

> @@ -3823,11 +3825,9 @@ int __check_heap_object(const void *ptr, unsigned long n, struct page *page,

Could we do the check in mm_slab_common.c for all allocators and just have
a small function in each allocators that give you the metadata needed for
the object?

> + * carefully audit the whitelist range).
> + */
> int report_usercopy(const char *name, const char *detail, bool to_user,
> unsigned long offset, unsigned long len)
> {

Should this not be added earlier?

\
 
 \ /
  Last update: 2018-01-14 23:21    [W:0.304 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site