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authorEric W. Biederman <ebiederm@xmission.com>2012-05-25 18:22:35 -0600
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 03:13:24 -0700
commitcf9c93526f4517581a9e8f1c0d9093a4c7748ec6 (patch)
tree9e9eba640d957fe83e081602f7c227480fb413b5
parent29f82ae56e8798f7907d60145e0186082800d130 (diff)
userns: Convert EVM to deal with kuids and kgids in it's hmac computation
Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
-rw-r--r--init/Kconfig1
-rw-r--r--security/integrity/evm/evm_crypto.c4
2 files changed, 2 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 8450442da6c..96ee3f32fe3 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -926,7 +926,6 @@ config UIDGID_CONVERTED
# List of kernel pieces that need user namespace work
# Features
depends on IMA = n
- depends on EVM = n
# Networking
depends on NET_9P = n
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 49a464f5595..dfb26918699 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -106,8 +106,8 @@ static void hmac_add_misc(struct shash_desc *desc, struct inode *inode,
memset(&hmac_misc, 0, sizeof hmac_misc);
hmac_misc.ino = inode->i_ino;
hmac_misc.generation = inode->i_generation;
- hmac_misc.uid = inode->i_uid;
- hmac_misc.gid = inode->i_gid;
+ hmac_misc.uid = from_kuid(&init_user_ns, inode->i_uid);
+ hmac_misc.gid = from_kgid(&init_user_ns, inode->i_gid);
hmac_misc.mode = inode->i_mode;
crypto_shash_update(desc, (const u8 *)&hmac_misc, sizeof hmac_misc);
crypto_shash_final(desc, digest);