[GIT PULL] Keyrings / NFS fixes

From: James Morris
Date: Tue Dec 02 2014 - 02:55:29 EST

>From David Howells, please pull for 3.18.

The first one fixes the handling of maximum buffer size for key
descriptions, fixing the size at 4095 + NUL char rather than whatever
PAGE_SIZE happens to be and permits you to read back the full description
without it getting clipped because some extra information got prepended.

The second and third fix a bug in NFS idmapper handling whereby a key
representing a mapping between an id and a name expires and causing
EKEYEXPIRED to be seen internally in NFS (which prevents the mapping from
happening) rather than re-looking up the mapping.

The following changes since commit 3a18ca061311f2f1ee9c44012f89c7436d392117:

Merge tag 'ext4_for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (2014-12-01 20:11:49 -0800)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git for-linus

David Howells (3):
KEYS: Fix the size of the key description passed to/from userspace
KEYS: request_key() should reget expired keys rather than give EKEYEXPIRED

James Morris (1):
Merge tag 'keys-fixes-20141201' of git://git.kernel.org/.../dhowells/linux-fs into for-linus

security/keys/internal.h | 1 +
security/keys/keyctl.c | 56 +++++++++++++++++--------------------
security/keys/keyring.c | 10 ++++---
security/keys/request_key.c | 2 +
security/keys/request_key_auth.c | 1 +
5 files changed, 36 insertions(+), 34 deletions(-)
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