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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-02 21:38:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-02 21:38:48 -0700
commit88265322c14cce39f7afbc416726ef4fac413298 (patch)
treee4956f905ef617971f87788d8f8a09dbb66b70a3 /fs
parent65b99c74fdd325d1ffa2e5663295888704712604 (diff)
parentbf5308344527d015ac9a6d2bda4ad4d40fd7d943 (diff)
downloadlinux-linaro-stable-88265322c14cce39f7afbc416726ef4fac413298.tar.gz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris: "Highlights: - Integrity: add local fs integrity verification to detect offline attacks - Integrity: add digital signature verification - Simple stacking of Yama with other LSMs (per LSS discussions) - IBM vTPM support on ppc64 - Add new driver for Infineon I2C TIS TPM - Smack: add rule revocation for subject labels" Fixed conflicts with the user namespace support in kernel/auditsc.c and security/integrity/ima/ima_policy.c. * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (39 commits) Documentation: Update git repository URL for Smack userland tools ima: change flags container data type Smack: setprocattr memory leak fix Smack: implement revoking all rules for a subject label Smack: remove task_wait() hook. ima: audit log hashes ima: generic IMA action flag handling ima: rename ima_must_appraise_or_measure audit: export audit_log_task_info tpm: fix tpm_acpi sparse warning on different address spaces samples/seccomp: fix 31 bit build on s390 ima: digital signature verification support ima: add support for different security.ima data types ima: add ima_inode_setxattr/removexattr function and calls ima: add inode_post_setattr call ima: replace iint spinblock with rwlock/read_lock ima: allocating iint improvements ima: add appraise action keywords and default rules ima: integrity appraisal extension vfs: move ima_file_free before releasing the file ...
Diffstat (limited to 'fs')
-rw-r--r--fs/attr.c2
-rw-r--r--fs/file_table.c2
-rw-r--r--fs/xattr.c6
3 files changed, 7 insertions, 3 deletions
diff --git a/fs/attr.c b/fs/attr.c
index 29e38a1f7f77..cce7df53b694 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -14,6 +14,7 @@
#include <linux/fcntl.h>
#include <linux/security.h>
#include <linux/evm.h>
+#include <linux/ima.h>
/**
* inode_change_ok - check if attribute changes to an inode are allowed
@@ -247,6 +248,7 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
if (!error) {
fsnotify_change(dentry, ia_valid);
+ ima_inode_post_setattr(dentry);
evm_inode_post_setattr(dentry, ia_valid);
}
diff --git a/fs/file_table.c b/fs/file_table.c
index c6780163bf3e..dac67923330f 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -243,10 +243,10 @@ static void __fput(struct file *file)
if (file->f_op && file->f_op->fasync)
file->f_op->fasync(-1, file, 0);
}
+ ima_file_free(file);
if (file->f_op && file->f_op->release)
file->f_op->release(inode, file);
security_file_free(file);
- ima_file_free(file);
if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL &&
!(file->f_mode & FMODE_PATH))) {
cdev_put(inode->i_cdev);
diff --git a/fs/xattr.c b/fs/xattr.c
index ca15fbd391c8..1780f062dbaf 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -296,11 +296,13 @@ vfs_removexattr(struct dentry *dentry, const char *name)
if (error)
return error;
+ mutex_lock(&inode->i_mutex);
error = security_inode_removexattr(dentry, name);
- if (error)
+ if (error) {
+ mutex_unlock(&inode->i_mutex);
return error;
+ }
- mutex_lock(&inode->i_mutex);
error = inode->i_op->removexattr(dentry, name);
mutex_unlock(&inode->i_mutex);