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alistair23-linux/fs/nfsd
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J. Bruce Fields fe05e114d0 nfsd: apply umask on fs without ACL support 
commit 22cf8419f1 upstream.

The server is failing to apply the umask when creating new objects on
filesystems without ACL support.

To reproduce this, you need to use NFSv4.2 and a client and server
recent enough to support umask, and you need to export a filesystem that
lacks ACL support (for example, ext4 with the "noacl" mount option).

Filesystems with ACL support are expected to take care of the umask
themselves (usually by calling posix_acl_create).

For filesystems without ACL support, this is up to the caller of
vfs_create(), vfs_mknod(), or vfs_mkdir().

Reported-by: Elliott Mitchell <ehem+debian@m5p.com>
Reported-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Fixes: 47057abde5 ("nfsd: add support for the umask attribute")
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-07-09 09:37:55 +02:00
..
Kconfig nfsd: depend on CRYPTO_MD5 for legacy client tracking 2020-01-26 10:01:01 +01:00
Makefile nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -04:00
acl.h nfsd: eliminate an unnecessary acl size limit 2019-08-28 21:13:45 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c nfsd: convert fi_deleg_file and ls_file fields to nfsd_file 2019-08-19 11:09:09 -04:00
blocklayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd4: make drc_slab global, not per-net 2020-06-24 17:50:37 +02:00
current_stateid.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
export.c nfsd: nfsd_file cache entries should be per net namespace 2019-09-10 09:23:41 -04:00
export.h knfsd: Allow lockless lookups of the exports 2018-10-29 16:58:04 -04:00
fault_inject.c nfsd: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
filecache.c nfsd: fix filecache lookup 2020-02-11 04:35:32 -08:00
filecache.h nfsd: nfsd_file cache entries should be per net namespace 2019-09-10 09:23:41 -04:00
flexfilelayout.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
lockd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h nfsd4: make drc_slab global, not per-net 2020-06-24 17:50:37 +02:00
nfs2acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs3proc.c nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
nfs3xdr.c nfsd: Support the server resetting the boot verifier 2019-09-10 09:23:41 -04:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-06-24 12:11:52 -04:00
nfs4callback.c nfsd: Fix svc_xprt refcnt leak when setup callback client failed 2020-06-24 17:50:17 +02:00
nfs4idmap.c nfsd: Fix misuse of strlcpy 2019-07-08 23:16:11 -04:00
nfs4layouts.c nfsd: fix delay timer on 32-bit architectures 2020-02-11 04:35:46 -08:00
nfs4proc.c NFSD fixing possible null pointer derefering in copy offload 2020-01-17 19:49:02 +01:00
nfs4recover.c nfsd: Fix cld_net->cn_tfm initialization 2020-01-17 19:48:47 +01:00
nfs4state.c nfsd4: fix nfsdfs reference count loop 2020-07-09 09:37:53 +02:00
nfs4xdr.c nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
nfscache.c nfsd: safer handling of corrupted c_type 2020-06-24 17:50:38 +02:00
nfsctl.c nfsd: fix nfsdfs inode reference count leak 2020-07-09 09:37:53 +02:00
nfsd.h nfsd4: fix nfsdfs reference count loop 2020-07-09 09:37:53 +02:00
nfsfh.c nfsd: use true and false for boolean values 2018-08-09 16:11:21 -04:00
nfsfh.h This request is late, apologies. 2018-02-08 15:18:32 -08:00
nfsproc.c nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
nfssvc.c nfsd: restore NFSv3 ACL support 2019-12-13 08:42:52 +01:00
nfsxdr.c nfsd: knfsd must use the container user namespace 2019-04-24 09:46:35 -04:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h nfsd: fix jiffies/time_t mixup in LRU list 2020-02-11 04:35:47 -08:00
stats.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
trace.h nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -04:00
vfs.c nfsd: apply umask on fs without ACL support 2020-07-09 09:37:55 +02:00
vfs.h nfsd: Ensure CLONE persists data and metadata changes to the target file 2019-12-13 08:42:51 +01:00
xdr.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00
xdr3.h nfsd: fix nfs read eof detection 2019-09-23 16:24:08 -04:00
xdr4.h nfsd: hook up nfs4_preprocess_stateid_op to the nfsd_file cache 2019-08-19 11:09:09 -04:00
xdr4cb.h NFSD CB_OFFLOAD xdr 2018-09-25 20:34:54 -04:00