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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull second set of VFS changes from Al Viro:
 "Assorted f_pos race fixes, making do_splice_direct() safe to call with
  i_mutex on parent, O_TMPFILE support, Jeff's locks.c series,
  ->d_hash/->d_compare calling conventions changes from Linus, misc
  stuff all over the place."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  Document ->tmpfile()
  ext4: ->tmpfile() support
  vfs: export lseek_execute() to modules
  lseek_execute() doesn't need an inode passed to it
  block_dev: switch to fixed_size_llseek()
  cpqphp_sysfs: switch to fixed_size_llseek()
  tile-srom: switch to fixed_size_llseek()
  proc_powerpc: switch to fixed_size_llseek()
  ubi/cdev: switch to fixed_size_llseek()
  pci/proc: switch to fixed_size_llseek()
  isapnp: switch to fixed_size_llseek()
  lpfc: switch to fixed_size_llseek()
  locks: give the blocked_hash its own spinlock
  locks: add a new "lm_owner_key" lock operation
  locks: turn the blocked_list into a hashtable
  locks: convert fl_link to a hlist_node
  locks: avoid taking global lock if possible when waking up blocked waiters
  locks: protect most of the file_lock handling with i_lock
  locks: encapsulate the fl_link list handling
  locks: make "added" in __posix_lock_file a bool
  ...
This commit is contained in:
Linus Torvalds 2013-07-03 09:10:19 -07:00
commit 790eac5640
98 changed files with 979 additions and 986 deletions
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2
security/integrity/ima/ima_main.c
View file

@ -57,7 +57,7 @@ __setup("ima_hash=", hash_setup);
static void ima_rdwr_violation_check(struct file *file)
{
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
struct inode *inode = file_inode(file);
fmode_t mode = file->f_mode;
int must_measure;
bool send_tomtou = false, send_writers = false;

24
security/selinux/hooks.c
View file

@ -1547,6 +1547,18 @@ static inline int path_has_perm(const struct cred *cred,
return inode_has_perm(cred, inode, av, &ad, 0);
}
/* Same as path_has_perm, but uses the inode from the file struct. */
static inline int file_path_has_perm(const struct cred *cred,
struct file *file,
u32 av)
{
struct common_audit_data ad;
ad.type = LSM_AUDIT_DATA_PATH;
ad.u.path = file->f_path;
return inode_has_perm(cred, file_inode(file), av, &ad, 0);
}
/* Check whether a task can use an open file descriptor to
access an inode in a given way. Check access to the
descriptor itself, and then use dentry_has_perm to
@ -2141,14 +2153,14 @@ static inline void flush_unauthorized_files(const struct cred *cred,
struct tty_file_private *file_priv;
/* Revalidate access to controlling tty.
Use path_has_perm on the tty path directly rather
than using file_has_perm, as this particular open
file may belong to another process and we are only
interested in the inode-based check here. */
Use file_path_has_perm on the tty path directly
rather than using file_has_perm, as this particular
open file may belong to another process and we are
only interested in the inode-based check here. */
file_priv = list_first_entry(&tty->tty_files,
struct tty_file_private, list);
file = file_priv->file;
if (path_has_perm(cred, &file->f_path, FILE__READ | FILE__WRITE))
if (file_path_has_perm(cred, file, FILE__READ | FILE__WRITE))
drop_tty = 1;
}
spin_unlock(&tty_files_lock);
@ -3259,7 +3271,7 @@ static int selinux_file_open(struct file *file, const struct cred *cred)
* new inode label or new policy.
* This check is not redundant - do not remove.
*/
return path_has_perm(cred, &file->f_path, open_file_to_av(file));
return file_path_has_perm(cred, file, open_file_to_av(file));
}
/* task security operations */