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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-27 09:13:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-27 09:13:52 -0700 |
| commit | 896a349228c494aa65279ccfc41d2395898f6f4d (patch) | |
| tree | 94e1de33c91a97cfaf69aca949959397afa88c94 | |
| parent | checkpatch: remove warning for 'old' stable@kernel.org address (diff) | |
| parent | dh key: fix rounding up KDF output length (diff) | |
| download | linux-dev-896a349228c494aa65279ccfc41d2395898f6f4d.tar.xz linux-dev-896a349228c494aa65279ccfc41d2395898f6f4d.zip | |
Merge branch 'fixes-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
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
| -rw-r--r-- | certs/blacklist.h | 2 | ||||
| -rw-r--r-- | security/keys/dh.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/certs/blacklist.h b/certs/blacklist.h index 150d82da8e99..1efd6fa0dc60 100644 --- a/certs/blacklist.h +++ b/certs/blacklist.h @@ -1,3 +1,3 @@ #include <linux/kernel.h> -extern const char __initdata *const blacklist_hashes[]; +extern const char __initconst *const blacklist_hashes[]; diff --git a/security/keys/dh.c b/security/keys/dh.c index f7403821db7f..b203f7758f97 100644 --- a/security/keys/dh.c +++ b/security/keys/dh.c @@ -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) { |