The patch titled
Subject: mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
has been added to the -mm tree. Its filename is
mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Konovalov <adech.fo@xxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Konstantin Serebryany <kcc@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/stackdepot.h | 6 +++---
lib/Kconfig | 2 +-
lib/Kconfig.kasan | 2 +-
lib/stackdepot.c | 10 +++++-----
mm/kasan/kasan.c | 2 +-
mm/kasan/kasan.h | 2 +-
6 files changed, 12 insertions(+), 12 deletions(-)
diff -puN include/linux/stackdepot.h~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix include/linux/stackdepot.h
--- a/include/linux/stackdepot.h~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/include/linux/stackdepot.h
@@ -21,12 +21,12 @@
#ifndef _LINUX_STACKDEPOT_H
#define _LINUX_STACKDEPOT_H
-typedef u32 depot_stack_handle;
+typedef u32 depot_stack_handle_t;
struct stack_trace;
-depot_stack_handle depot_save_stack(struct stack_trace *trace, gfp_t flags);
+depot_stack_handle_t depot_save_stack(struct stack_trace *trace, gfp_t flags);
-void depot_fetch_stack(depot_stack_handle handle, struct stack_trace *trace);
+void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace);
#endif
diff -puN lib/Kconfig~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix lib/Kconfig
--- a/lib/Kconfig~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/lib/Kconfig
@@ -537,6 +537,6 @@ config ARCH_HAS_MMIO_FLUSH
bool
config STACKDEPOT
- bool
+ bool
endmenu
diff -puN lib/Kconfig.kasan~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix lib/Kconfig.kasan
--- a/lib/Kconfig.kasan~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/lib/Kconfig.kasan
@@ -7,7 +7,7 @@ config KASAN
bool "KASan: runtime memory debugger"
depends on SLUB_DEBUG || (SLAB && !DEBUG_SLAB)
select CONSTRUCTORS
- select STACKDEPOT if SLAB
+ select STACKDEPOT if SLAB
help
Enables kernel address sanitizer - runtime memory debugger,
designed to find out-of-bounds accesses and use-after-free bugs.
diff -puN lib/stackdepot.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix lib/stackdepot.c
--- a/lib/stackdepot.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/lib/stackdepot.c
@@ -39,7 +39,7 @@
#include <linux/string.h>
#include <linux/types.h>
-#define DEPOT_STACK_BITS (sizeof(depot_stack_handle) * 8)
+#define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8)
#define STACK_ALLOC_ORDER 2 /* 'Slab' size order for stack depot, 4 pages */
#define STACK_ALLOC_SIZE (1LL << (PAGE_SHIFT + STACK_ALLOC_ORDER))
@@ -54,7 +54,7 @@
/* The compact structure to store the reference to stacks. */
union handle_parts {
- depot_stack_handle handle;
+ depot_stack_handle_t handle;
struct {
u32 slabindex : STACK_ALLOC_INDEX_BITS;
u32 offset : STACK_ALLOC_OFFSET_BITS;
@@ -173,7 +173,7 @@ static inline struct stack_record *find_
return NULL;
}
-void depot_fetch_stack(depot_stack_handle handle, struct stack_trace *trace)
+void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace)
{
union handle_parts parts = { .handle = handle };
void *slab = stack_slabs[parts.slabindex];
@@ -192,11 +192,11 @@ void depot_fetch_stack(depot_stack_handl
*
* Returns the handle of the stack struct stored in depot.
*/
-depot_stack_handle depot_save_stack(struct stack_trace *trace,
+depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
gfp_t alloc_flags)
{
u32 hash;
- depot_stack_handle retval = 0;
+ depot_stack_handle_t retval = 0;
struct stack_record *found = NULL, **bucket;
unsigned long flags;
struct page *page = NULL;
diff -puN mm/kasan/kasan.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix mm/kasan/kasan.c
--- a/mm/kasan/kasan.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/mm/kasan/kasan.c
@@ -436,7 +436,7 @@ static inline void filter_irq_stacks(str
}
}
-static inline depot_stack_handle save_stack(gfp_t flags)
+static inline depot_stack_handle_t save_stack(gfp_t flags)
{
unsigned long entries[KASAN_STACK_DEPTH];
struct stack_trace trace = {
diff -puN mm/kasan/kasan.h~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix mm/kasan/kasan.h
--- a/mm/kasan/kasan.h~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix
+++ a/mm/kasan/kasan.h
@@ -71,7 +71,7 @@ struct kasan_track {
u64 cpu : 6; /* for NR_CPUS = 64 */
u64 pid : 16; /* 65536 processes */
u64 when : 42; /* ~140 years */
- depot_stack_handle stack : sizeof(depot_stack_handle);
+ depot_stack_handle_t stack : sizeof(depot_stack_handle_t);
};
struct kasan_alloc_meta {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
drivers-gpu-drm-i915-intel_spritec-fix-build.patch
drivers-gpu-drm-i915-intel_tvc-fix-build.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-code-clean-up-for-direct-io-fix.patch
ocfs2-fix-ip_unaligned_aio-deadlock-with-dio-work-queue-fix.patch
ocfs2-dlm-move-lock-to-the-tail-of-grant-queue-while-doing-in-place-convert-fix.patch
mm.patch
mm-slab-clean-up-debug_pagealloc-processing-code-fix.patch
mm-slab-put-the-freelist-at-the-end-of-slab-page-fix.patch
slub-drop-lock-at-the-end-of-free_debug_processing-fix.patch
fs-mpagec-mpage_readpages-use-lru_to_page-helper.patch
mm-page_allocc-introduce-kernelcore=mirror-option-fix.patch
mm-page_allocc-rework-code-layout-in-memmap_init_zone.patch
mm-madvise-update-comment-on-sys_madvise-fix.patch
mm-migrate-do-not-touch-page-mem_cgroup-of-live-pages-fix.patch
mm-simplify-lock_page_memcg-fix.patch
sched-add-schedule_timeout_idle.patch
mm-oom_reaper-report-success-failure-fix.patch
mm-compaction-speed-up-pageblock_pfn_to_page-when-zone-is-contiguous-fix.patch
proc-kpageflags-return-kpf_buddy-for-tail-buddy-pages-fix-fix.patch
mm-vmalloc-query-dynamic-debug_pagealloc-setting-fix.patch
mm-slub-query-dynamic-debug_pagealloc-setting-fix.patch
sound-query-dynamic-debug_pagealloc-setting-fix.patch
mm-page_ref-add-tracepoint-to-track-down-page-reference-manipulation-fix-3-fix.patch
ksm-introduce-ksm_max_page_sharing-per-page-deduplication-limit-fix-2.patch
mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix.patch
zram-export-the-number-of-available-comp-streams-fix.patch
mm-oom-rework-oom-detection-checkpatch-fixes.patch
mm-use-watermak-checks-for-__gfp_repeat-high-order-allocations-checkpatch-fixes.patch
mn10300-c6x-config_generic_bug-must-depend-on-config_bug.patch
arch-mn10300-kernel-fpu-nofpuc-needs-asm-elfh.patch
btrfs-use-radix_tree_iter_retry-fix.patch
sscanf-implement-basic-character-sets-fix.patch
sparc-compat-provide-an-accurate-in_compat_syscall-implementation-fix.patch
sparc-compat-provide-an-accurate-in_compat_syscall-implementation-fix-fix.patch
rapidio-add-mport-char-device-driver-fix.patch
kernel-add-kcov-code-coverage-fix.patch
kernel-add-kcov-code-coverage-fix-2.patch
kernel-add-kcov-code-coverage-makefile-tweaks.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
dma-rename-dma__writecombine-to-dma__wc-checkpatch-fixes.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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