[lkml]   [2014]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC/PATCH RESEND -next 12/21] mm: util: move krealloc/kzfree to slab_common.c
On Wed, 9 Jul 2014, Andrey Ryabinin wrote:

> To avoid false positive reports in kernel address sanitizer krealloc/kzfree
> functions shouldn't be instrumented. Since we want to instrument other
> functions in mm/util.c, krealloc/kzfree moved to slab_common.c which is not
> instrumented.
> Unfortunately we can't completely disable instrumentation for one function.
> We could disable compiler's instrumentation for one function by using
> __atribute__((no_sanitize_address)).
> But the problem here is that memset call will be replaced by instumented
> version kasan_memset since currently it's implemented as define:

Looks good to me and useful regardless of the sanitizer going in.

Acked-by: Christoph Lameter <>

 \ /
  Last update: 2014-07-09 17:21    [W:0.730 / U:4.532 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site