linux/ipc
Mimi Zohar 1df9f0a731 Integrity: IMA file free imbalance
The number of calls to ima_path_check()/ima_file_free()
should be balanced.  An extra call to fput(), indicates
the file could have been accessed without first being
measured.

Although f_count is incremented/decremented in places other
than fget/fput, like fget_light/fput_light and get_file, the
current task must already hold a file refcnt.  The call to
__fput() is delayed until the refcnt becomes 0, resulting
in ima_file_free() flagging any changes.

- add hook to increment opencount for IPC shared memory(SYSV),
  shmat files, and /dev/zero
- moved NULL iint test in opencount_get()

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
2009-02-06 09:05:33 +11:00
..
compat_mq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
compat.c fix logic error in ipc compat semctl() 2007-07-06 10:23:43 -07:00
ipc_sysctl.c sysctl: simplify ->strategy 2008-10-16 11:21:47 -07:00
ipcns_notifier.c ipc: do not use a negative value to re-enable msgmni automatic recomputing 2008-07-25 10:53:42 -07:00
Makefile ipc: recompute msgmni on ipc namespace creation/removal 2008-04-29 08:06:12 -07:00
mqueue.c CRED: Pass credentials through dentry_open() 2008-11-14 10:39:22 +11:00
msg.c ipc: only output msgmni value at boot time 2008-06-06 11:29:12 -07:00
msgutil.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
namespace.c ipc: recompute msgmni on ipc namespace creation/removal 2008-04-29 08:06:12 -07:00
sem.c ipc/sem.c: make free_un() static 2008-10-16 11:21:51 -07:00
shm.c Integrity: IMA file free imbalance 2009-02-06 09:05:33 +11:00
util.c Merge branch 'master' into next 2008-12-04 17:16:36 +11:00
util.h ipc: get rid of ipc_lock_down() 2008-07-25 10:53:42 -07:00