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authorAlexander Potapenko <glider@google.com>2016-07-28 15:49:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-28 16:07:41 -0700
commit80a9201a5965f4715d5c09790862e0df84ce0614 (patch)
treee05d44a7f9ef0d81328dc4bd70f23656fc279bc9 /lib
parentc146a2b98eb5898eb0fab15a332257a4102ecae9 (diff)
downloadlinux-stericsson-80a9201a5965f4715d5c09790862e0df84ce0614.tar.gz
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
For KASAN builds: - switch SLUB allocator to using stackdepot instead of storing the allocation/deallocation stacks in the objects; - change the freelist hook so that parts of the freelist can be put into the quarantine. [aryabinin@virtuozzo.com: fixes] Link: http://lkml.kernel.org/r/1468601423-28676-1-git-send-email-aryabinin@virtuozzo.com Link: http://lkml.kernel.org/r/1468347165-41906-3-git-send-email-glider@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Andrey Konovalov <adech.fo@gmail.com> Cc: Christoph Lameter <cl@linux.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Steven Rostedt (Red Hat) <rostedt@goodmis.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kostya Serebryany <kcc@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Kuthonuzo Luruo <kuthonuzo.luruo@hpe.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.kasan4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 67d8c6838ba9..bd38aab05929 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -5,9 +5,9 @@ if HAVE_ARCH_KASAN
config KASAN
bool "KASan: runtime memory debugger"
- depends on SLUB_DEBUG || (SLAB && !DEBUG_SLAB)
+ depends on SLUB || (SLAB && !DEBUG_SLAB)
select CONSTRUCTORS
- select STACKDEPOT if SLAB
+ select STACKDEPOT
help
Enables kernel address sanitizer - runtime memory debugger,
designed to find out-of-bounds accesses and use-after-free bugs.