Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (44 commits)
  nommu: Provide mmap_min_addr definition.
  TOMOYO: Add description of lists and structures.
  TOMOYO: Remove unused field.
  integrity: ima audit dentry_open failure
  TOMOYO: Remove unused parameter.
  security: use mmap_min_addr indepedently of security models
  TOMOYO: Simplify policy reader.
  TOMOYO: Remove redundant markers.
  SELinux: define audit permissions for audit tree netlink messages
  TOMOYO: Remove unused mutex.
  tomoyo: avoid get+put of task_struct
  smack: Remove redundant initialization.
  integrity: nfsd imbalance bug fix
  rootplug: Remove redundant initialization.
  smack: do not beyond ARRAY_SIZE of data
  integrity: move ima_counts_get
  integrity: path_check update
  IMA: Add __init notation to ima functions
  IMA: Minimal IMA policy and boot param for TCB IMA policy
  selinux: remove obsolete read buffer limit from sel_read_bool
  ...

1 files changed, 298 insertions, 107 deletions

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 98b3195347a..0023182078c 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -30,7 +30,6 @@
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
 #include <linux/audit.h>
-
 #include "smack.h"
 
 #define task_security(task)	(task_cred_xxx((task), security))
@@ -103,14 +102,24 @@ struct inode_smack *new_inode_smack(char *smack)
 static int smack_ptrace_may_access(struct task_struct *ctp, unsigned int mode)
 {
 	int rc;
+	struct smk_audit_info ad;
+	char *sp, *tsp;
 
 	rc = cap_ptrace_may_access(ctp, mode);
 	if (rc != 0)
 		return rc;
 
-	rc = smk_access(current_security(), task_security(ctp), MAY_READWRITE);
+	sp = current_security();
+	tsp = task_security(ctp);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, ctp);
+
+	/* we won't log here, because rc can be overriden */
+	rc = smk_access(sp, tsp, MAY_READWRITE, NULL);
 	if (rc != 0 && capable(CAP_MAC_OVERRIDE))
-		return 0;
+		rc = 0;
+
+	smack_log(sp, tsp, MAY_READWRITE, rc, &ad);
 	return rc;
 }
 
@@ -125,14 +134,24 @@ static int smack_ptrace_may_access(struct task_struct *ctp, unsigned int mode)
 static int smack_ptrace_traceme(struct task_struct *ptp)
 {
 	int rc;
+	struct smk_audit_info ad;
+	char *sp, *tsp;
 
 	rc = cap_ptrace_traceme(ptp);
 	if (rc != 0)
 		return rc;
 
-	rc = smk_access(task_security(ptp), current_security(), MAY_READWRITE);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, ptp);
+
+	sp = current_security();
+	tsp = task_security(ptp);
+	/* we won't log here, because rc can be overriden */
+	rc = smk_access(tsp, sp, MAY_READWRITE, NULL);
 	if (rc != 0 && has_capability(ptp, CAP_MAC_OVERRIDE))
-		return 0;
+		rc = 0;
+
+	smack_log(tsp, sp, MAY_READWRITE, rc, &ad);
 	return rc;
 }
 
@@ -327,8 +346,14 @@ static int smack_sb_kern_mount(struct super_block *sb, int flags, void *data)
 static int smack_sb_statfs(struct dentry *dentry)
 {
 	struct superblock_smack *sbp = dentry->d_sb->s_security;
+	int rc;
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
-	return smk_curacc(sbp->smk_floor, MAY_READ);
+	rc = smk_curacc(sbp->smk_floor, MAY_READ, &ad);
+	return rc;
 }
 
 /**
@@ -346,8 +371,12 @@ static int smack_sb_mount(char *dev_name, struct path *path,
 			  char *type, unsigned long flags, void *data)
 {
 	struct superblock_smack *sbp = path->mnt->mnt_sb->s_security;
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path(&ad, *path);
 
-	return smk_curacc(sbp->smk_floor, MAY_WRITE);
+	return smk_curacc(sbp->smk_floor, MAY_WRITE, &ad);
 }
 
 /**
@@ -361,10 +390,14 @@ static int smack_sb_mount(char *dev_name, struct path *path,
 static int smack_sb_umount(struct vfsmount *mnt, int flags)
 {
 	struct superblock_smack *sbp;
+	struct smk_audit_info ad;
 
-	sbp = mnt->mnt_sb->s_security;
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, mnt->mnt_mountpoint);
+	smk_ad_setfield_u_fs_path_mnt(&ad, mnt);
 
-	return smk_curacc(sbp->smk_floor, MAY_WRITE);
+	sbp = mnt->mnt_sb->s_security;
+	return smk_curacc(sbp->smk_floor, MAY_WRITE, &ad);
 }
 
 /*
@@ -441,15 +474,20 @@ static int smack_inode_init_security(struct inode *inode, struct inode *dir,
 static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
 			    struct dentry *new_dentry)
 {
-	int rc;
 	char *isp;
+	struct smk_audit_info ad;
+	int rc;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
 
 	isp = smk_of_inode(old_dentry->d_inode);
-	rc = smk_curacc(isp, MAY_WRITE);
+	rc = smk_curacc(isp, MAY_WRITE, &ad);
 
 	if (rc == 0 && new_dentry->d_inode != NULL) {
 		isp = smk_of_inode(new_dentry->d_inode);
-		rc = smk_curacc(isp, MAY_WRITE);
+		smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
+		rc = smk_curacc(isp, MAY_WRITE, &ad);
 	}
 
 	return rc;
@@ -466,18 +504,24 @@ static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
 static int smack_inode_unlink(struct inode *dir, struct dentry *dentry)
 {
 	struct inode *ip = dentry->d_inode;
+	struct smk_audit_info ad;
 	int rc;
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
+
 	/*
 	 * You need write access to the thing you're unlinking
 	 */
-	rc = smk_curacc(smk_of_inode(ip), MAY_WRITE);
-	if (rc == 0)
+	rc = smk_curacc(smk_of_inode(ip), MAY_WRITE, &ad);
+	if (rc == 0) {
 		/*
 		 * You also need write access to the containing directory
 		 */
-		rc = smk_curacc(smk_of_inode(dir), MAY_WRITE);
-
+		smk_ad_setfield_u_fs_path_dentry(&ad, NULL);
+		smk_ad_setfield_u_fs_inode(&ad, dir);
+		rc = smk_curacc(smk_of_inode(dir), MAY_WRITE, &ad);
+	}
 	return rc;
 }
 
@@ -491,17 +535,24 @@ static int smack_inode_unlink(struct inode *dir, struct dentry *dentry)
  */
 static int smack_inode_rmdir(struct inode *dir, struct dentry *dentry)
 {
+	struct smk_audit_info ad;
 	int rc;
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
+
 	/*
 	 * You need write access to the thing you're removing
 	 */
-	rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE);
-	if (rc == 0)
+	rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
+	if (rc == 0) {
 		/*
 		 * You also need write access to the containing directory
 		 */
-		rc = smk_curacc(smk_of_inode(dir), MAY_WRITE);
+		smk_ad_setfield_u_fs_path_dentry(&ad, NULL);
+		smk_ad_setfield_u_fs_inode(&ad, dir);
+		rc = smk_curacc(smk_of_inode(dir), MAY_WRITE, &ad);
+	}
 
 	return rc;
 }
@@ -525,15 +576,19 @@ static int smack_inode_rename(struct inode *old_inode,
 {
 	int rc;
 	char *isp;
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
 
 	isp = smk_of_inode(old_dentry->d_inode);
-	rc = smk_curacc(isp, MAY_READWRITE);
+	rc = smk_curacc(isp, MAY_READWRITE, &ad);
 
 	if (rc == 0 && new_dentry->d_inode != NULL) {
 		isp = smk_of_inode(new_dentry->d_inode);
-		rc = smk_curacc(isp, MAY_READWRITE);
+		smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
+		rc = smk_curacc(isp, MAY_READWRITE, &ad);
 	}
-
 	return rc;
 }
 
@@ -548,13 +603,15 @@ static int smack_inode_rename(struct inode *old_inode,
  */
 static int smack_inode_permission(struct inode *inode, int mask)
 {
+	struct smk_audit_info ad;
 	/*
 	 * No permission to check. Existence test. Yup, it's there.
 	 */
 	if (mask == 0)
 		return 0;
-
-	return smk_curacc(smk_of_inode(inode), mask);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_inode(&ad, inode);
+	return smk_curacc(smk_of_inode(inode), mask, &ad);
 }
 
 /**
@@ -566,13 +623,16 @@ static int smack_inode_permission(struct inode *inode, int mask)
  */
 static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 {
+	struct smk_audit_info ad;
 	/*
 	 * Need to allow for clearing the setuid bit.
 	 */
 	if (iattr->ia_valid & ATTR_FORCE)
 		return 0;
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 
-	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE);
+	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
 }
 
 /**
@@ -584,7 +644,12 @@ static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
  */
 static int smack_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 {
-	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ);
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
+	smk_ad_setfield_u_fs_path_mnt(&ad, mnt);
+	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ, &ad);
 }
 
 /**
@@ -602,6 +667,7 @@ static int smack_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 static int smack_inode_setxattr(struct dentry *dentry, const char *name,
 				const void *value, size_t size, int flags)
 {
+	struct smk_audit_info ad;
 	int rc = 0;
 
 	if (strcmp(name, XATTR_NAME_SMACK) == 0 ||
@@ -619,8 +685,11 @@ static int smack_inode_setxattr(struct dentry *dentry, const char *name,
 	} else
 		rc = cap_inode_setxattr(dentry, name, value, size, flags);
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
+
 	if (rc == 0)
-		rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE);
+		rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
 
 	return rc;
 }
@@ -672,7 +741,12 @@ static void smack_inode_post_setxattr(struct dentry *dentry, const char *name,
  */
 static int smack_inode_getxattr(struct dentry *dentry, const char *name)
 {
-	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ);
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
+
+	return smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ, &ad);
 }
 
 /*
@@ -686,6 +760,7 @@ static int smack_inode_getxattr(struct dentry *dentry, const char *name)
  */
 static int smack_inode_removexattr(struct dentry *dentry, const char *name)
 {
+	struct smk_audit_info ad;
 	int rc = 0;
 
 	if (strcmp(name, XATTR_NAME_SMACK) == 0 ||
@@ -696,8 +771,10 @@ static int smack_inode_removexattr(struct dentry *dentry, const char *name)
 	} else
 		rc = cap_inode_removexattr(dentry, name);
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
 	if (rc == 0)
-		rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE);
+		rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
 
 	return rc;
 }
@@ -856,12 +933,16 @@ static int smack_file_ioctl(struct file *file, unsigned int cmd,
 			    unsigned long arg)
 {
 	int rc = 0;
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path(&ad, file->f_path);
 
 	if (_IOC_DIR(cmd) & _IOC_WRITE)
-		rc = smk_curacc(file->f_security, MAY_WRITE);
+		rc = smk_curacc(file->f_security, MAY_WRITE, &ad);
 
 	if (rc == 0 && (_IOC_DIR(cmd) & _IOC_READ))
-		rc = smk_curacc(file->f_security, MAY_READ);
+		rc = smk_curacc(file->f_security, MAY_READ, &ad);
 
 	return rc;
 }
@@ -875,7 +956,11 @@ static int smack_file_ioctl(struct file *file, unsigned int cmd,
  */
 static int smack_file_lock(struct file *file, unsigned int cmd)
 {
-	return smk_curacc(file->f_security, MAY_WRITE);
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path_dentry(&ad, file->f_path.dentry);
+	return smk_curacc(file->f_security, MAY_WRITE, &ad);
 }
 
 /**
@@ -889,8 +974,12 @@ static int smack_file_lock(struct file *file, unsigned int cmd)
 static int smack_file_fcntl(struct file *file, unsigned int cmd,
 			    unsigned long arg)
 {
+	struct smk_audit_info ad;
 	int rc;
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
+	smk_ad_setfield_u_fs_path(&ad, file->f_path);
+
 	switch (cmd) {
 	case F_DUPFD:
 	case F_GETFD:
@@ -898,7 +987,7 @@ static int smack_file_fcntl(struct file *file, unsigned int cmd,
 	case F_GETLK:
 	case F_GETOWN:
 	case F_GETSIG:
-		rc = smk_curacc(file->f_security, MAY_READ);
+		rc = smk_curacc(file->f_security, MAY_READ, &ad);
 		break;
 	case F_SETFD:
 	case F_SETFL:
@@ -906,10 +995,10 @@ static int smack_file_fcntl(struct file *file, unsigned int cmd,
 	case F_SETLKW:
 	case F_SETOWN:
 	case F_SETSIG:
-		rc = smk_curacc(file->f_security, MAY_WRITE);
+		rc = smk_curacc(file->f_security, MAY_WRITE, &ad);
 		break;
 	default:
-		rc = smk_curacc(file->f_security, MAY_READWRITE);
+		rc = smk_curacc(file->f_security, MAY_READWRITE, &ad);
 	}
 
 	return rc;
@@ -944,14 +1033,21 @@ static int smack_file_send_sigiotask(struct task_struct *tsk,
 {
 	struct file *file;
 	int rc;
+	char *tsp = tsk->cred->security;
+	struct smk_audit_info ad;
 
 	/*
 	 * struct fown_struct is never outside the context of a struct file
 	 */
 	file = container_of(fown, struct file, f_owner);
-	rc = smk_access(file->f_security, tsk->cred->security, MAY_WRITE);
+	/* we don't log here as rc can be overriden */
+	rc = smk_access(file->f_security, tsp, MAY_WRITE, NULL);
 	if (rc != 0 && has_capability(tsk, CAP_MAC_OVERRIDE))
-		return 0;
+		rc = 0;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, tsk);
+	smack_log(file->f_security, tsp, MAY_WRITE, rc, &ad);
 	return rc;
 }
 
@@ -964,7 +1060,10 @@ static int smack_file_send_sigiotask(struct task_struct *tsk,
 static int smack_file_receive(struct file *file)
 {
 	int may = 0;
+	struct smk_audit_info ad;
 
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_fs_path(&ad, file->f_path);
 	/*
 	 * This code relies on bitmasks.
 	 */
@@ -973,7 +1072,7 @@ static int smack_file_receive(struct file *file)
 	if (file->f_mode & FMODE_WRITE)
 		may |= MAY_WRITE;
 
-	return smk_curacc(file->f_security, may);
+	return smk_curacc(file->f_security, may, &ad);
 }
 
 /*
@@ -1053,6 +1152,22 @@ static int smack_kernel_create_files_as(struct cred *new,
 }
 
 /**
+ * smk_curacc_on_task - helper to log task related access
+ * @p: the task object
+ * @access : the access requested
+ *
+ * Return 0 if access is permitted
+ */
+static int smk_curacc_on_task(struct task_struct *p, int access)
+{
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, p);
+	return smk_curacc(task_security(p), access, &ad);
+}
+
+/**
  * smack_task_setpgid - Smack check on setting pgid
  * @p: the task object
  * @pgid: unused
@@ -1061,7 +1176,7 @@ static int smack_kernel_create_files_as(struct cred *new,
  */
 static int smack_task_setpgid(struct task_struct *p, pid_t pgid)
 {
-	return smk_curacc(task_security(p), MAY_WRITE);
+	return smk_curacc_on_task(p, MAY_WRITE);
 }
 
 /**
@@ -1072,7 +1187,7 @@ static int smack_task_setpgid(struct task_struct *p, pid_t pgid)
  */
 static int smack_task_getpgid(struct task_struct *p)
 {
-	return smk_curacc(task_security(p), MAY_READ);
+	return smk_curacc_on_task(p, MAY_READ);
 }
 
 /**
@@ -1083,7 +1198,7 @@ static int smack_task_getpgid(struct task_struct *p)
  */
 static int smack_task_getsid(struct task_struct *p)
 {
-	return smk_curacc(task_security(p), MAY_READ);
+	return smk_curacc_on_task(p, MAY_READ);
 }
 
 /**
@@ -1111,7 +1226,7 @@ static int smack_task_setnice(struct task_struct *p, int nice)
 
 	rc = cap_task_setnice(p, nice);
 	if (rc == 0)
-		rc = smk_curacc(task_security(p), MAY_WRITE);
+		rc = smk_curacc_on_task(p, MAY_WRITE);
 	return rc;
 }
 
@@ -1128,7 +1243,7 @@ static int smack_task_setioprio(struct task_struct *p, int ioprio)
 
 	rc = cap_task_setioprio(p, ioprio);
 	if (rc == 0)
-		rc = smk_curacc(task_security(p), MAY_WRITE);
+		rc = smk_curacc_on_task(p, MAY_WRITE);
 	return rc;
 }
 
@@ -1140,7 +1255,7 @@ static int smack_task_setioprio(struct task_struct *p, int ioprio)
  */
 static int smack_task_getioprio(struct task_struct *p)
 {
-	return smk_curacc(task_security(p), MAY_READ);
+	return smk_curacc_on_task(p, MAY_READ);
 }
 
 /**
@@ -1158,7 +1273,7 @@ static int smack_task_setscheduler(struct task_struct *p, int policy,
 
 	rc = cap_task_setscheduler(p, policy, lp);
 	if (rc == 0)
-		rc = smk_curacc(task_security(p), MAY_WRITE);
+		rc = smk_curacc_on_task(p, MAY_WRITE);
 	return rc;
 }
 
@@ -1170,7 +1285,7 @@ static int smack_task_setscheduler(struct task_struct *p, int policy,
  */
 static int smack_task_getscheduler(struct task_struct *p)
 {
-	return smk_curacc(task_security(p), MAY_READ);
+	return smk_curacc_on_task(p, MAY_READ);
 }
 
 /**
@@ -1181,7 +1296,7 @@ static int smack_task_getscheduler(struct task_struct *p)
  */
 static int smack_task_movememory(struct task_struct *p)
 {
-	return smk_curacc(task_security(p), MAY_WRITE);
+	return smk_curacc_on_task(p, MAY_WRITE);
 }
 
 /**
@@ -1199,18 +1314,23 @@ static int smack_task_movememory(struct task_struct *p)
 static int smack_task_kill(struct task_struct *p, struct siginfo *info,
 			   int sig, u32 secid)
 {
+	struct smk_audit_info ad;
+
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, p);
 	/*
 	 * Sending a signal requires that the sender
 	 * can write the receiver.
 	 */
 	if (secid == 0)
-		return smk_curacc(task_security(p), MAY_WRITE);
+		return smk_curacc(task_security(p), MAY_WRITE, &ad);
 	/*
 	 * If the secid isn't 0 we're dealing with some USB IO
 	 * specific behavior. This is not clean. For one thing
 	 * we can't take privilege into account.
 	 */
-	return smk_access(smack_from_secid(secid), task_security(p), MAY_WRITE);
+	return smk_access(smack_from_secid(secid), task_security(p),
+			  MAY_WRITE, &ad);
 }
 
 /**
@@ -1221,11 +1341,15 @@ static int smack_task_kill(struct task_struct *p, struct siginfo *info,
  */
 static int smack_task_wait(struct task_struct *p)
 {
+	struct smk_audit_info ad;
+	char *sp = current_security();
+	char *tsp = task_security(p);
 	int rc;
 
-	rc = smk_access(current_security(), task_security(p), MAY_WRITE);
+	/* we don't log here, we can be overriden */
+	rc = smk_access(sp, tsp, MAY_WRITE, NULL);
 	if (rc == 0)
-		return 0;
+		goto out_log;
 
 	/*
 	 * Allow the operation to succeed if either task
@@ -1239,8 +1363,12 @@ static int smack_task_wait(struct task_struct *p)
 	 * the smack value.
 	 */
 	if (capable(CAP_MAC_OVERRIDE) || has_capability(p, CAP_MAC_OVERRIDE))
-		return 0;
-
+		rc = 0;
+	/* we log only if we didn't get overriden */
+ out_log:
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK);
+	smk_ad_setfield_u_tsk(&ad, p);
+	smack_log(sp, tsp, MAY_WRITE, rc, &ad);
 	return rc;
 }
 
@@ -1456,12 +1584,19 @@ static int smack_netlabel_send(struct sock *sk, struct sockaddr_in *sap)
 	int sk_lbl;
 	char *hostsp;
 	struct socket_smack *ssp = sk->sk_security;
+	struct smk_audit_info ad;
 
 	rcu_read_lock();
 	hostsp = smack_host_label(sap);
 	if (hostsp != NULL) {
 		sk_lbl = SMACK_UNLABELED_SOCKET;
-		rc = smk_access(ssp->smk_out, hostsp, MAY_WRITE);
+#ifdef CONFIG_AUDIT
+		smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+		ad.a.u.net.family = sap->sin_family;
+		ad.a.u.net.dport = sap->sin_port;
+		ad.a.u.net.v4info.daddr = sap->sin_addr.s_addr;
+#endif
+		rc = smk_access(ssp->smk_out, hostsp, MAY_WRITE, &ad);
 	} else {
 		sk_lbl = SMACK_CIPSO_SOCKET;
 		rc = 0;
@@ -1657,6 +1792,25 @@ static void smack_shm_free_security(struct shmid_kernel *shp)
 }
 
 /**
+ * smk_curacc_shm : check if current has access on shm
+ * @shp : the object
+ * @access : access requested
+ *
+ * Returns 0 if current has the requested access, error code otherwise
+ */
+static int smk_curacc_shm(struct shmid_kernel *shp, int access)
+{
+	char *ssp = smack_of_shm(shp);
+	struct smk_audit_info ad;
+
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_IPC);
+	ad.a.u.ipc_id = shp->shm_perm.id;
+#endif
+	return smk_curacc(ssp, access, &ad);
+}
+
+/**
  * smack_shm_associate - Smack access check for shm
  * @shp: the object
  * @shmflg: access requested
@@ -1665,11 +1819,10 @@ static void smack_shm_free_security(struct shmid_kernel *shp)
  */
 static int smack_shm_associate(struct shmid_kernel *shp, int shmflg)
 {
-	char *ssp = smack_of_shm(shp);
 	int may;
 
 	may = smack_flags_to_may(shmflg);
-	return smk_curacc(ssp, may);
+	return smk_curacc_shm(shp, may);
 }
 
 /**
@@ -1681,7 +1834,6 @@ static int smack_shm_associate(struct shmid_kernel *shp, int shmflg)
  */
 static int smack_shm_shmctl(struct shmid_kernel *shp, int cmd)
 {
-	char *ssp;
 	int may;
 
 	switch (cmd) {
@@ -1704,9 +1856,7 @@ static int smack_shm_shmctl(struct shmid_kernel *shp, int cmd)
 	default:
 		return -EINVAL;
 	}
-
-	ssp = smack_of_shm(shp);
-	return smk_curacc(ssp, may);
+	return smk_curacc_shm(shp, may);
 }
 
 /**
@@ -1720,11 +1870,10 @@ static int smack_shm_shmctl(struct shmid_kernel *shp, int cmd)
 static int smack_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
 			   int shmflg)
 {
-	char *ssp = smack_of_shm(shp);
 	int may;
 
 	may = smack_flags_to_may(shmflg);
-	return smk_curacc(ssp, may);
+	return smk_curacc_shm(shp, may);
 }
 
 /**
@@ -1766,6 +1915,25 @@ static void smack_sem_free_security(struct sem_array *sma)
 }
 
 /**
+ * smk_curacc_sem : check if current has access on sem
+ * @sma : the object
+ * @access : access requested
+ *
+ * Returns 0 if current has the requested access, error code otherwise
+ */
+static int smk_curacc_sem(struct sem_array *sma, int access)
+{
+	char *ssp = smack_of_sem(sma);
+	struct smk_audit_info ad;
+
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_IPC);
+	ad.a.u.ipc_id = sma->sem_perm.id;
+#endif
+	return smk_curacc(ssp, access, &ad);
+}
+
+/**
  * smack_sem_associate - Smack access check for sem
  * @sma: the object
  * @semflg: access requested
@@ -1774,11 +1942,10 @@ static void smack_sem_free_security(struct sem_array *sma)
  */
 static int smack_sem_associate(struct sem_array *sma, int semflg)
 {
-	char *ssp = smack_of_sem(sma);
 	int may;
 
 	may = smack_flags_to_may(semflg);
-	return smk_curacc(ssp, may);
+	return smk_curacc_sem(sma, may);
 }
 
 /**
@@ -1790,7 +1957,6 @@ static int smack_sem_associate(struct sem_array *sma, int semflg)
  */
 static int smack_sem_semctl(struct sem_array *sma, int cmd)
 {
-	char *ssp;
 	int may;
 
 	switch (cmd) {
@@ -1819,8 +1985,7 @@ static int smack_sem_semctl(struct sem_array *sma, int cmd)
 		return -EINVAL;
 	}
 
-	ssp = smack_of_sem(sma);
-	return smk_curacc(ssp, may);
+	return smk_curacc_sem(sma, may);
 }
 
 /**
@@ -1837,9 +2002,7 @@ static int smack_sem_semctl(struct sem_array *sma, int cmd)
 static int smack_sem_semop(struct sem_array *sma, struct sembuf *sops,
 			   unsigned nsops, int alter)
 {
-	char *ssp = smack_of_sem(sma);
-
-	return smk_curacc(ssp, MAY_READWRITE);
+	return smk_curacc_sem(sma, MAY_READWRITE);
 }
 
 /**
@@ -1881,6 +2044,25 @@ static char *smack_of_msq(struct msg_queue *msq)
 }
 
 /**
+ * smk_curacc_msq : helper to check if current has access on msq
+ * @msq : the msq
+ * @access : access requested
+ *
+ * return 0 if current has access, error otherwise
+ */
+static int smk_curacc_msq(struct msg_queue *msq, int access)
+{
+	char *msp = smack_of_msq(msq);
+	struct smk_audit_info ad;
+
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_IPC);
+	ad.a.u.ipc_id = msq->q_perm.id;
+#endif
+	return smk_curacc(msp, access, &ad);
+}
+
+/**
  * smack_msg_queue_associate - Smack access check for msg_queue
  * @msq: the object
  * @msqflg: access requested
@@ -1889,11 +2071,10 @@ static char *smack_of_msq(struct msg_queue *msq)
  */
 static int smack_msg_queue_associate(struct msg_queue *msq, int msqflg)
 {
-	char *msp = smack_of_msq(msq);
 	int may;
 
 	may = smack_flags_to_may(msqflg);
-	return smk_curacc(msp, may);
+	return smk_curacc_msq(msq, may);
 }
 
 /**
@@ -1905,7 +2086,6 @@ static int smack_msg_queue_associate(struct msg_queue *msq, int msqflg)
  */
 static int smack_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 {
-	char *msp;
 	int may;
 
 	switch (cmd) {
@@ -1927,8 +2107,7 @@ static int smack_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 		return -EINVAL;
 	}
 
-	msp = smack_of_msq(msq);
-	return smk_curacc(msp, may);
+	return smk_curacc_msq(msq, may);
 }
 
 /**
@@ -1942,11 +2121,10 @@ static int smack_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 static int smack_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 				  int msqflg)
 {
-	char *msp = smack_of_msq(msq);
-	int rc;
+	int may;
 
-	rc = smack_flags_to_may(msqflg);
-	return smk_curacc(msp, rc);
+	may = smack_flags_to_may(msqflg);
+	return smk_curacc_msq(msq, may);
 }
 
 /**
@@ -1962,9 +2140,7 @@ static int smack_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 static int smack_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 			struct task_struct *target, long type, int mode)
 {
-	char *msp = smack_of_msq(msq);
-
-	return smk_curacc(msp, MAY_READWRITE);
+	return smk_curacc_msq(msq, MAY_READWRITE);
 }
 
 /**
@@ -1977,10 +2153,14 @@ static int smack_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 static int smack_ipc_permission(struct kern_ipc_perm *ipp, short flag)
 {
 	char *isp = ipp->security;
-	int may;
+	int may = smack_flags_to_may(flag);
+	struct smk_audit_info ad;
 
-	may = smack_flags_to_may(flag);
-	return smk_curacc(isp, may);
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_IPC);
+	ad.a.u.ipc_id = ipp->id;
+#endif
+	return smk_curacc(isp, may, &ad);
 }
 
 /**
@@ -2239,8 +2419,12 @@ static int smack_unix_stream_connect(struct socket *sock,
 {
 	struct inode *sp = SOCK_INODE(sock);
 	struct inode *op = SOCK_INODE(other);
+	struct smk_audit_info ad;
 
-	return smk_access(smk_of_inode(sp), smk_of_inode(op), MAY_READWRITE);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+	smk_ad_setfield_u_net_sk(&ad, other->sk);
+	return smk_access(smk_of_inode(sp), smk_of_inode(op),
+				 MAY_READWRITE, &ad);
 }
 
 /**
@@ -2255,8 +2439,11 @@ static int smack_unix_may_send(struct socket *sock, struct socket *other)
 {
 	struct inode *sp = SOCK_INODE(sock);
 	struct inode *op = SOCK_INODE(other);
+	struct smk_audit_info ad;
 
-	return smk_access(smk_of_inode(sp), smk_of_inode(op), MAY_WRITE);
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+	smk_ad_setfield_u_net_sk(&ad, other->sk);
+	return smk_access(smk_of_inode(sp), smk_of_inode(op), MAY_WRITE, &ad);
 }
 
 /**
@@ -2371,7 +2558,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	char smack[SMK_LABELLEN];
 	char *csp;
 	int rc;
-
+	struct smk_audit_info ad;
 	if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6)
 		return 0;
 
@@ -2389,13 +2576,19 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 	netlbl_secattr_destroy(&secattr);
 
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+	ad.a.u.net.family = sk->sk_family;
+	ad.a.u.net.netif = skb->iif;
+	ipv4_skb_to_auditdata(skb, &ad.a, NULL);
+#endif
 	/*
 	 * Receiving a packet requires that the other end
 	 * be able to write here. Read access is not required.
 	 * This is the simplist possible security model
 	 * for networking.
 	 */
-	rc = smk_access(csp, ssp->smk_in, MAY_WRITE);
+	rc = smk_access(csp, ssp->smk_in, MAY_WRITE, &ad);
 	if (rc != 0)
 		netlbl_skbuff_err(skb, rc, 0);
 	return rc;
@@ -2524,6 +2717,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 	struct iphdr *hdr;
 	char smack[SMK_LABELLEN];
 	int rc;
+	struct smk_audit_info ad;
 
 	/* handle mapped IPv4 packets arriving via IPv6 sockets */
 	if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP))
@@ -2537,11 +2731,17 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 		strncpy(smack, smack_known_huh.smk_known, SMK_MAXLEN);
 	netlbl_secattr_destroy(&secattr);
 
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
+	ad.a.u.net.family = family;
+	ad.a.u.net.netif = skb->iif;
+	ipv4_skb_to_auditdata(skb, &ad.a, NULL);
+#endif
 	/*
 	 * Receiving a packet requires that the other end be able to write
 	 * here. Read access is not required.
 	 */
-	rc = smk_access(smack, ssp->smk_in, MAY_WRITE);
+	rc = smk_access(smack, ssp->smk_in, MAY_WRITE, &ad);
 	if (rc != 0)
 		return rc;
 
@@ -2643,6 +2843,7 @@ static int smack_key_permission(key_ref_t key_ref,
 				const struct cred *cred, key_perm_t perm)
 {
 	struct key *keyp;
+	struct smk_audit_info ad;
 
 	keyp = key_ref_to_ptr(key_ref);
 	if (keyp == NULL)
@@ -2658,8 +2859,13 @@ static int smack_key_permission(key_ref_t key_ref,
 	 */
 	if (cred->security == NULL)
 		return -EACCES;
-
-	return smk_access(cred->security, keyp->security, MAY_READWRITE);
+#ifdef CONFIG_AUDIT
+	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_KEY);
+	ad.a.u.key_struct.key = keyp->serial;
+	ad.a.u.key_struct.key_desc = keyp->description;
+#endif
+	return smk_access(cred->security, keyp->security,
+				 MAY_READWRITE, &ad);
 }
 #endif /* CONFIG_KEYS */
 
@@ -2828,15 +3034,7 @@ struct security_operations smack_ops = {
 
 	.ptrace_may_access =		smack_ptrace_may_access,
 	.ptrace_traceme =		smack_ptrace_traceme,
-	.capget = 			cap_capget,
-	.capset = 			cap_capset,
-	.capable = 			cap_capable,
 	.syslog = 			smack_syslog,
-	.settime = 			cap_settime,
-	.vm_enough_memory = 		cap_vm_enough_memory,
-
-	.bprm_set_creds = 		cap_bprm_set_creds,
-	.bprm_secureexec = 		cap_bprm_secureexec,
 
 	.sb_alloc_security = 		smack_sb_alloc_security,
 	.sb_free_security = 		smack_sb_free_security,
@@ -2860,8 +3058,6 @@ struct security_operations smack_ops = {
 	.inode_post_setxattr = 		smack_inode_post_setxattr,
 	.inode_getxattr = 		smack_inode_getxattr,
 	.inode_removexattr = 		smack_inode_removexattr,
-	.inode_need_killpriv =		cap_inode_need_killpriv,
-	.inode_killpriv =		cap_inode_killpriv,
 	.inode_getsecurity = 		smack_inode_getsecurity,
 	.inode_setsecurity = 		smack_inode_setsecurity,
 	.inode_listsecurity = 		smack_inode_listsecurity,
@@ -2882,7 +3078,6 @@ struct security_operations smack_ops = {
 	.cred_commit =			smack_cred_commit,
 	.kernel_act_as =		smack_kernel_act_as,
 	.kernel_create_files_as =	smack_kernel_create_files_as,
-	.task_fix_setuid =		cap_task_fix_setuid,
 	.task_setpgid = 		smack_task_setpgid,
 	.task_getpgid = 		smack_task_getpgid,
 	.task_getsid = 			smack_task_getsid,
@@ -2896,7 +3091,6 @@ struct security_operations smack_ops = {
 	.task_kill = 			smack_task_kill,
 	.task_wait = 			smack_task_wait,
 	.task_to_inode = 		smack_task_to_inode,
-	.task_prctl =			cap_task_prctl,
 
 	.ipc_permission = 		smack_ipc_permission,
 	.ipc_getsecid =			smack_ipc_getsecid,
@@ -2923,9 +3117,6 @@ struct security_operations smack_ops = {
 	.sem_semctl = 			smack_sem_semctl,
 	.sem_semop = 			smack_sem_semop,
 
-	.netlink_send =			cap_netlink_send,
-	.netlink_recv = 		cap_netlink_recv,
-
 	.d_instantiate = 		smack_d_instantiate,
 
 	.getprocattr = 			smack_getprocattr,