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linux/security/keys
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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>
History 2011-05-26 13:49:19 -07:00
..
compat.c KEYS: Add an iovec version of KEYCTL_INSTANTIATE 2011-03-08 11:17:22 +11:00
encrypted.c KEYS: Add an RCU payload dereference macro 2011-03-08 11:17:11 +11:00
encrypted.h encrypted-keys: rename encrypted_defined files to encrypted 2011-01-24 10:27:57 +11:00
gc.c KEYS: Fix up comments in key management code 2011-01-21 14:59:30 -08:00
internal.h KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
key.c KEYS: Add a new keyctl op to reject a key with a specified error code 2011-03-08 11:17:18 +11:00
keyctl.c KEYS: Make request_key() and co. return an error for a negative key 2011-03-17 11:59:49 +11:00
keyring.c KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
Makefile encrypted-keys: rename encrypted_defined files to encrypted 2011-01-24 10:27:57 +11:00
permission.c KEYS: Fix up comments in key management code 2011-01-21 14:59:30 -08:00
proc.c KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
process_keys.c Set cred->user_ns in key_replace_session_keyring 2011-05-26 13:49:19 -07:00
request_key.c KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
request_key_auth.c KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
sysctl.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
trusted.c KEYS: Add an RCU payload dereference macro 2011-03-08 11:17:11 +11:00
trusted.h trusted-keys: rename trusted_defined files to trusted 2011-01-24 10:14:22 +11:00
user_defined.c Merge branch 'next' into for-linus 2011-05-24 22:55:24 +10:00