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2010-10-29Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6Linus Torvalds5-12/+55
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6: eCryptfs: Print mount_auth_tok_only param in ecryptfs_show_options ecryptfs: added ecryptfs_mount_auth_tok_only mount parameter ecryptfs: checking return code of ecryptfs_find_auth_tok_for_sig() ecryptfs: release keys loaded in ecryptfs_keyring_auth_tok_for_sig() eCryptfs: Clear LOOKUP_OPEN flag when creating lower file ecryptfs: call vfs_setxattr() in ecryptfs_setxattr()
2010-10-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds14-290/+526
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: Cleanup and thus reduce smb session structure and fields used during authentication NTLM auth and sign - Use appropriate server challenge cifs: add kfree() on error path NTLM auth and sign - minor error corrections and cleanup NTLM auth and sign - Use kernel crypto apis to calculate hashes and smb signatures NTLM auth and sign - Define crypto hash functions and create and send keys needed for key exchange cifs: cifs_convert_address() returns zero on error NTLM auth and sign - Allocate session key/client response dynamically cifs: update comments - [s/GlobalSMBSesLock/cifs_file_list_lock/g] cifs: eliminate cifsInodeInfo->write_behind_rc (try #6) [CIFS] Fix checkpatch warnings and bump cifs version number cifs: wait for writeback to complete in cifs_flush cifs: convert cifsFileInfo->count to non-atomic counter
2010-10-29readv/writev: do the same MAX_RW_COUNT truncation that read/write doesLinus Torvalds2-35/+39
We used to protect against overflow, but rather than return an error, do what read/write does, namely to limit the total size to MAX_RW_COUNT. This is not only more consistent, but it also means that any broken low-level read/write routine that still keeps counts in 'int' can't break. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linusLinus Torvalds3-6/+8
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: Squashfs: fix function prototype Squashfs: fix use of __le64 annotated variable
2010-10-29eCryptfs: Print mount_auth_tok_only param in ecryptfs_show_optionsTyler Hicks1-0/+2
When printing mount options, print the new ecryptfs_mount_auth_tok_only mount option. Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29ecryptfs: added ecryptfs_mount_auth_tok_only mount parameterRoberto Sassu3-1/+17
This patch adds a new mount parameter 'ecryptfs_mount_auth_tok_only' to force ecryptfs to use only authentication tokens which signature has been specified at mount time with parameters 'ecryptfs_sig' and 'ecryptfs_fnek_sig'. In this way, after disabling the passthrough and the encrypted view modes, it's possible to make available to users only files encrypted with the specified authentication token. Signed-off-by: Roberto Sassu <roberto.sassu@polito.it> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: James Morris <jmorris@namei.org> [Tyler: Clean up coding style errors found by checkpatch] Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29ecryptfs: checking return code of ecryptfs_find_auth_tok_for_sig()Roberto Sassu1-2/+2
This patch replaces the check of the 'matching_auth_tok' pointer with the exit status of ecryptfs_find_auth_tok_for_sig(). This avoids to use authentication tokens obtained through the function ecryptfs_keyring_auth_tok_for_sig which are not valid. Signed-off-by: Roberto Sassu <roberto.sassu@polito.it> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: James Morris <jmorris@namei.org> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29ecryptfs: release keys loaded in ecryptfs_keyring_auth_tok_for_sig()Roberto Sassu1-6/+28
This patch allows keys requested in the function ecryptfs_keyring_auth_tok_for_sig()to be released when they are no longer required. In particular keys are directly released in the same function if the obtained authentication token is not valid. Further, a new function parameter 'auth_tok_key' has been added to ecryptfs_find_auth_tok_for_sig() in order to provide callers the key pointer to be passed to key_put(). Signed-off-by: Roberto Sassu <roberto.sassu@polito.it> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: James Morris <jmorris@namei.org> [Tyler: Initialize auth_tok_key to NULL in ecryptfs_parse_packet_set] Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29eCryptfs: Clear LOOKUP_OPEN flag when creating lower fileTyler Hicks1-0/+4
eCryptfs was passing the LOOKUP_OPEN flag through to the lower file system, even though ecryptfs_create() doesn't support the flag. A valid filp for the lower filesystem could be returned in the nameidata if the lower file system's create() function supported LOOKUP_OPEN, possibly resulting in unencrypted writes to the lower file. However, this is only a potential problem in filesystems (FUSE, NFS, CIFS, CEPH, 9p) that eCryptfs isn't known to support today. https://bugs.launchpad.net/ecryptfs/+bug/641703 Reported-by: Kevin Buhr Cc: stable <stable@kernel.org> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29ecryptfs: call vfs_setxattr() in ecryptfs_setxattr()Roberto Sassu1-4/+3
Ecryptfs is a stackable filesystem which relies on lower filesystems the ability of setting/getting extended attributes. If there is a security module enabled on the system it updates the 'security' field of inodes according to the owned extended attribute set with the function vfs_setxattr(). When this function is performed on a ecryptfs filesystem the 'security' field is not updated for the lower filesystem since the call security_inode_post_setxattr() is missing for the lower inode. Further, the call security_inode_setxattr() is missing for the lower inode, leading to policy violations in the security module because specific checks for this hook are not performed (i. e. filesystem 'associate' permission on SELinux is not checked for the lower filesystem). This patch replaces the call of the setxattr() method of the lower inode in the function ecryptfs_setxattr() with vfs_setxattr(). Signed-off-by: Roberto Sassu <roberto.sassu@polito.it> Cc: stable <stable@kernel.org> Cc: Dustin Kirkland <kirkland@canonical.com> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2010-10-29braino in internal.hAl Viro1-1/+1
wrong return type... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert simple cases of nfs-related ->get_sb() to ->mount()Al Viro1-50/+46
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert btrfsAl Viro1-9/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert cephAl Viro1-23/+27
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert gfs2Al Viro1-29/+22
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert afsAl Viro1-12/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert ecryptfsAl Viro1-7/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert sysfsAl Viro1-19/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29switch get_sb_ns() usersAl Viro1-8/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29switch procfs to ->mount()Al Viro1-7/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29setting ->proc_mnt doesn't belong in proc_get_sb()Al Viro1-1/+2
take that to kern_mount_data()-using callers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert cifsAl Viro1-8/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert nilfsAl Viro1-9/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29switch logfs to ->mount()Al Viro2-27/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29logfs: fix a leak in get_sbAl Viro4-7/+8
a) switch ->put_device() to logfs_super * b) actually call it on early failures in logfs_get_sb_device() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29logfs get_sb, part 3Al Viro4-39/+29
take logfs_get_sb_device() calls to logfs_get_sb() itself Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29logfs get_sb, part 2Al Viro4-14/+13
take setting s_bdev/s_mtd/s_devops to callers of logfs_get_sb_device(), don't bother passing them separately Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29logfs get_sb massage, part 1Al Viro4-21/+39
move allocation of logfs_super to logfs_get_sb, pass it to logfs_get_sb_...(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert v9fsAl Viro1-12/+10
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert ubifsAl Viro1-7/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert get_sb_pseudo() usersAl Viro4-23/+18
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert get_sb_nodev() usersAl Viro11-53/+65
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert get_sb_single() usersAl Viro8-49/+58
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29convert get_sb_mtd() users to ->mount()Al Viro2-14/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29new helper: mount_bdev()Al Viro30-161/+147
... and switch of the obvious get_sb_bdev() users to ->mount() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29beginning of transtion: ->mount()Al Viro1-3/+14
eventual replacement for ->get_sb() - does *not* get vfsmount, return ERR_PTR(error) or root of subtree to be mounted. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29fix open/umount raceAl Viro2-3/+5
nameidata_to_filp() drops nd->path or transfers it to opened file. In the former case it's a Bad Idea(tm) to do mnt_drop_write() on nd->path.mnt, since we might race with umount and vfsmount in question might be gone already. Fix: don't drop it, then... IOW, have nameidata_to_filp() grab nd->path in case it transfers it to file and do path_drop() in callers. After they are through with accessing nd->path... Reported-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29a couple of open-coded ihold() introduced by nfs mergeAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-29cifs: Cleanup and thus reduce smb session structure and fields used during authenticationShirish Pargaonkar4-47/+55
Removed following fields from smb session structure cryptkey, ntlmv2_hash, tilen, tiblob and ntlmssp_auth structure is allocated dynamically only if the auth mech in NTLMSSP. response field within a session_key structure is used to initially store the target info (either plucked from type 2 challenge packet in case of NTLMSSP or fabricated in case of NTLMv2 without extended security) and then to store Message Authentication Key (mak) (session key + client response). Server challenge or cryptkey needed during a NTLMSSP authentication is now part of ntlmssp_auth structure which gets allocated and freed once authenticaiton process is done. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-29NTLM auth and sign - Use appropriate server challengeShirish Pargaonkar5-12/+21
Need to have cryptkey or server challenge in smb connection (struct TCP_Server_Info) for ntlm and ntlmv2 auth types for which cryptkey (Encryption Key) is supplied just once in Negotiate Protocol response during an smb connection setup for all the smb sessions over that smb connection. For ntlmssp, cryptkey or server challenge is provided for every smb session in type 2 packet of ntlmssp negotiation, the cryptkey provided during Negotiation Protocol response before smb connection does not count. Rename cryptKey to cryptkey and related changes. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-28Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds1-7/+5
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: BUG_ON fix: check if page has buffers before calling page_buffers()
2010-10-28Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds4-5/+11
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: nfs4: The difference of 2 pointers is ptrdiff_t nfs: testing the wrong variable nfs: handle lock context allocation failures in nfs_create_request Fixed Regression in NFS Direct I/O path
2010-10-28ext4: BUG_ON fix: check if page has buffers before calling page_buffers() Theodore Ts'o1-7/+5
We need to make check if a page does not have buffes by checking page_has_buffers(page) before calling page_buffers(page) in ext4_writepage(). Otherwise page_buffers() could throw a BUG_ON. Thanks also to Markus Trippelsdorf and Avinash Kurup who also reported the problem. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reported-by: Sedat Dilek <sedat.dilek@googlemail.com> Tested-by: Sedat Dilek <sedat.dilek@googlemail.com>
2010-10-28nfs4: The difference of 2 pointers is ptrdiff_tGeert Uytterhoeven1-2/+2
On m68k, which is 32-bit: fs/nfs/nfs4proc.c: In function ‘nfs41_sequence_done’: fs/nfs/nfs4proc.c:432: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘int’ fs/nfs/nfs4proc.c: In function ‘nfs4_setup_sequence’: fs/nfs/nfs4proc.c:576: warning: format ‘%ld’ expects type ‘long int’, but argument 5 has type ‘int’ On 32-bit, ptrdiff_t is int; on 64-bit, ptrdiff_t is long. Introduced by commit dfb4f309830359352539919f23accc59a20a3758 ("NFSv4.1: keep seq_res.sr_slot as pointer rather than an index") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds30-9452/+4
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (841 commits) Staging: brcm80211: fix usage of roundup in structures Staging: bcm: fix up network device reference counting Staging: keucr: fix up US_ macro change staging: brcm80211: brcmfmac: Removed codeversion from firmware filenames. staging: brcm80211: Remove unnecessary header files. staging: brcm80211: Remove unnecessary includes from bcmutils.c staging: brcm80211: Removed unnecessary pktsetprio() function. Staging: brcm80211: remove typedefs.h Staging: brcm80211: remove uintptr typedef usage Staging: hv: remove struct vmbus_channel_interface Staging: hv: remove Open from struct vmbus_channel_interface Staging: hv: storvsc: call vmbus_open directly Staging: hv: netvsc: call vmbus_open directly Staging: hv: channel: export vmbus_open to modules Staging: hv: remove Close from struct vmbus_channel_interface Staging: hv: netvsc: call vmbus_close directly Staging: hv: storvsc: call vmbus_close directly Staging: hv: channel: export vmbus_close to modules Staging: hv: remove SendPacket from struct vmbus_channel_interface Staging: hv: storvsc: call vmbus_sendpacket directly ... Fix up conflicts in drivers/staging/cx25821/cx25821-audio-upstream.c drivers/staging/cx25821/cx25821-audio.h due to warring whitespace cleanups (neither of which were all that great)
2010-10-28Merge 'staging-next' to Linus's treeGreg Kroah-Hartman30-9452/+4
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-28Squashfs: fix function prototypePhillip Lougher2-2/+3
The fourth argument should be unsigned. Also add missing include so that the function prototype is defined in xattr_id.c This fixes a couple of sparse warnings. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2010-10-28Squashfs: fix use of __le64 annotated variablePhillip Lougher1-4/+5
This fixes a sparse with endian checking warning. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2010-10-28Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplusLinus Torvalds2-2/+4
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplus: hfsplus: free space correcly for files unlinked while open hfsplus: fix double lock typo in ioctl
2010-10-28ext4: fix compile with CONFIG_EXT4_FS_XATTR disabledIngo Molnar1-1/+1
Commit 5dabfc78dced ("ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*()") causes fs/ext4/super.c:4776: error: implicit declaration of function ‘ext4_init_xattr’ when CONFIG_EXT4_FS_XATTR is disabled. It renamed init_ext4_xattr to ext4_init_xattr but forgot to update the dummy definition in fs/ext4/xattr.h. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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