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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-03 04:08:07 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-03 04:08:07 +0300
commitd52bd54db8be8999df6df5a776f38c4f8b5e9cea (patch)
tree0d8f436e959bb975c002ddf12ea1bdc9adadd04f /mm/kasan/kasan.h
parent8cbdd85bda499d028b8f128191f392d701e8e41d (diff)
parent3bd080e4d8f2351ee3e143f0ec9307cc95ae6639 (diff)
downloadlinux-d52bd54db8be8999df6df5a776f38c4f8b5e9cea.tar.xz
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: - the rest of ocfs2 - various hotfixes, mainly MM - quite a bit of misc stuff - drivers, fork, exec, signals, etc. - printk updates - firmware - checkpatch - nilfs2 - more kexec stuff than usual - rapidio updates - w1 things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (111 commits) ipc: delete "nr_ipc_ns" kcov: allow more fine-grained coverage instrumentation init/Kconfig: add clarification for out-of-tree modules config: add android config fragments init/Kconfig: ban CONFIG_LOCALVERSION_AUTO with allmodconfig relay: add global mode support for buffer-only channels init: allow blacklisting of module_init functions w1:omap_hdq: fix regression w1: add helper macro module_w1_family w1: remove need for ida and use PLATFORM_DEVID_AUTO rapidio/switches: add driver for IDT gen3 switches powerpc/fsl_rio: apply changes for RIO spec rev 3 rapidio: modify for rev.3 specification changes rapidio: change inbound window size type to u64 rapidio/idt_gen2: fix locking warning rapidio: fix error handling in mbox request/release functions rapidio/tsi721_dma: advance queue processing from transfer submit call rapidio/tsi721: add messaging mbox selector parameter rapidio/tsi721: add PCIe MRRS override parameter rapidio/tsi721_dma: add channel mask and queue size parameters ...
Diffstat (limited to 'mm/kasan/kasan.h')
-rw-r--r--mm/kasan/kasan.h15
1 files changed, 4 insertions, 11 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 31972cdba433..e5c2181fee6f 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -59,13 +59,6 @@ struct kasan_global {
* Structures to keep alloc and free tracks *
*/
-enum kasan_state {
- KASAN_STATE_INIT,
- KASAN_STATE_ALLOC,
- KASAN_STATE_QUARANTINE,
- KASAN_STATE_FREE
-};
-
#define KASAN_STACK_DEPTH 64
struct kasan_track {
@@ -74,9 +67,8 @@ struct kasan_track {
};
struct kasan_alloc_meta {
- struct kasan_track track;
- u32 state : 2; /* enum kasan_state */
- u32 alloc_size : 30;
+ struct kasan_track alloc_track;
+ struct kasan_track free_track;
};
struct qlist_node {
@@ -87,7 +79,6 @@ struct kasan_free_meta {
* Otherwise it might be used for the allocator freelist.
*/
struct qlist_node quarantine_link;
- struct kasan_track track;
};
struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
@@ -108,6 +99,8 @@ static inline bool kasan_report_enabled(void)
void kasan_report(unsigned long addr, size_t size,
bool is_write, unsigned long ip);
+void kasan_report_double_free(struct kmem_cache *cache, void *object,
+ s8 shadow);
#if defined(CONFIG_SLAB) || defined(CONFIG_SLUB)
void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache);