AcoSail/kernel_optimize_test
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Merge branch 'fixes-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull more security subsystem fixes from James Morris:
 "Two further fixes for the keys subsystem"

* 'fixes-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  dh key: fix rounding up KDF output length
  certs/blacklist: fix const confusion
This commit is contained in:
Linus Torvalds 2018-06-27 09:13:52 -07:00
commit 896a349228
2 changed files with 5 additions and 3 deletions
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2
certs/blacklist.h
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@ -1,3 +1,3 @@
#include <linux/kernel.h>
extern const char __initdata *const blacklist_hashes[];
extern const char __initconst *const blacklist_hashes[];

6
security/keys/dh.c
View File

@ -142,6 +142,8 @@ static void kdf_dealloc(struct kdf_sdesc *sdesc)
* The src pointer is defined as Z || other info where Z is the shared secret
* from DH and other info is an arbitrary string (see SP800-56A section
* 5.8.1.2).
*
* 'dlen' must be a multiple of the digest size.
*/
static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen,
u8 *dst, unsigned int dlen, unsigned int zlen)
@ -205,8 +207,8 @@ static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc,
{
uint8_t *outbuf = NULL;
int ret;
size_t outbuf_len = round_up(buflen,
crypto_shash_digestsize(sdesc->shash.tfm));
size_t outbuf_len = roundup(buflen,
crypto_shash_digestsize(sdesc->shash.tfm));
outbuf = kmalloc(outbuf_len, GFP_KERNEL);
if (!outbuf) {