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Revision 83fd66f70a3c1463685ad0e11272fafe9f5fe06d authored by Alexander Potapenko on 20 December 2018, 16:10:15 UTC, committed by Alexander Potapenko on 08 January 2020, 14:07:57 UTC 
kmsan: mm: call KMSAN hooks from SLUB code
 
In order to report uninitialized memory coming from heap allocations
KMSAN has to poison them unless they're created with __GFP_ZERO.

It's handy that we need KMSAN hooks in the places where
init_on_alloc/init_on_free initialization is performed.

Signed-off-by: Alexander Potapenko <glider@google.com>
To: Alexander Potapenko <glider@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: linux-mm@kvack.org
---
v3:
 - reverted unrelated whitespace changes

Change-Id: I51103b7981d3aabed747d0c85cbdc85568665871
1 parent 8c8a406
Raw File
crypto.h 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_CRYPTO_H
#define _FS_CEPH_CRYPTO_H

#include <linux/ceph/types.h>
#include <linux/ceph/buffer.h>

/*
 * cryptographic secret
 */
struct ceph_crypto_key {
	int type;
	struct ceph_timespec created;
	int len;
	void *key;
	struct crypto_sync_skcipher *tfm;
};

int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
			  const struct ceph_crypto_key *src);
int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
void ceph_crypto_key_destroy(struct ceph_crypto_key *key);

/* crypto.c */
int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
	       void *buf, int buf_len, int in_len, int *pout_len);
int ceph_crypto_init(void);
void ceph_crypto_shutdown(void);

/* armor.c */
int ceph_armor(char *dst, const char *src, const char *end);
int ceph_unarmor(char *dst, const char *src, const char *end);

#endif
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