GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-21 06:01:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

mm/kasan: add API to check memory regions

Browse source 
Memory access coded in an assembly won't be seen by KASAN as a compiler
can instrument only C code.  Add kasan_check_[read,write]() API which is
going to be used to check a certain memory range.

Link: http://lkml.kernel.org/r/1462538722-1574-3-git-send-email-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Acked-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Ryabinin 2016-05-20 16:59:28 -07:00 • committed by Linus Torvalds
parent 936bb4bbbb
commit 64f8ebaf11
3 changed files with 25 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/linux/kasan-checks.h Normal file
View file

@ -0,0 +1,12 @@
#ifndef _LINUX_KASAN_CHECKS_H
#define _LINUX_KASAN_CHECKS_H
#ifdef CONFIG_KASAN
void kasan_check_read(const void *p, unsigned int size);
void kasan_check_write(const void *p, unsigned int size);
#else
static inline void kasan_check_read(const void *p, unsigned int size) { }
static inline void kasan_check_write(const void *p, unsigned int size) { }
#endif
#endif