[PATCH 06/14] userns: Convert EVM to deal with kuids and kgids in it's hmac computation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>

Cc: Mimi Zohar <zohar@xxxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
---
 init/Kconfig                        |    1 -
 security/integrity/evm/evm_crypto.c |    4 ++--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index 8450442..96ee3f3 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 49a464f..dfb2691 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);
-- 
1.7.5.4

_______________________________________________
Containers mailing list
Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/containers


[Index of Archives]     [Cgroups]     [Netdev]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux