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Serge E. Hallyn f7285b5d63 Set cred->user_ns in key_replace_session_keyring 
Since this cred was not created with copy_creds(), it needs to get
initialized.  Otherwise use of syscall(__NR_keyctl, KEYCTL_SESSION_TO_PARENT);
can lead to a NULL deref.  Thanks to Robert for finding this.

But introduced by commit 47a150edc2 ("Cache user_ns in struct cred").

Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Reported-by: Robert Święcki <robert@swiecki.net>
Cc: David Howells <dhowells@redhat.com>
Cc: stable@kernel.org (2.6.39)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2011-05-26 13:49:19 -07:00
..
apparmor Fix common misspellings 2011-03-31 11:26:23 -03:00
integrity/ima
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keys Set cred->user_ns in key_replace_session_keyring 2011-05-26 13:49:19 -07:00
selinux Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into for-linus 2011-05-24 23:20:19 +10:00
smack Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into for-linus 2011-05-24 23:20:19 +10:00
tomoyo TOMOYO: Fix wrong domainname validation. 2011-05-12 11:07:21 +10:00
Kconfig security: select correct default LSM_MMAP_MIN_ADDR on ARM. 2011-03-22 09:35:12 +11:00
Makefile
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capability.c SECURITY: Move exec_permission RCU checks into security modules 2011-04-25 10:20:32 -04:00
commoncap.c capabilities: do not special case exec of init 2011-04-04 10:31:06 +10:00
device_cgroup.c
…
inode.c
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lsm_audit.c LSM: separate LSM_AUDIT_DATA_DENTRY from LSM_AUDIT_DATA_PATH 2011-04-25 18:14:07 -04:00
min_addr.c
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security.c SECURITY: Move exec_permission RCU checks into security modules 2011-04-25 10:20:32 -04:00