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linux-next/fs/nfsd
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J. Bruce Fields 2b86e3aaf9 nfsd: eliminate an unnecessary acl size limit 
We're unnecessarily limiting the size of an ACL to less than what most
filesystems will support.  Some users do hit the limit and it's
confusing and unnecessary.

It still seems prudent to impose some limit on the number of ACEs the
client gives us before passing it straight to kmalloc().  So, let's just
limit it to the maximum number that would be possible given the amount
of data left in the argument buffer.

That will still leave one limit beyond whatever the filesystem imposes:
the client and server negotiate a limit on the size of a request, which
we have to respect.

But we're no longer imposing any additional arbitrary limit.

struct nfs4_ace is 20 bytes on my system and the maximum call size we'll
negotiate is about a megabyte, so in practice this is limiting the
allocation here to about a megabyte.

Reported-by: "de Vandiere, Louis" <louis.devandiere@atos.net>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2019-08-28 21:13:45 -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: drc containerization 2019-07-03 17:52:08 -04:00
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: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -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: remove duplicated include from filecache.c 2019-08-20 11:15:34 -04:00
filecache.h nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -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
Kconfig Deprecate nfsd fault injection 2019-08-26 10:36:56 -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
Makefile nfsd: add a new struct file caching facility to nfsd 2019-08-19 11:00:39 -04:00
netns.h nfsd: make client/ directory names small ints 2019-07-03 17:52:50 -04:00
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/nfsd3_proc_readdir: fix buffer count and page pointers 2019-04-05 19:57:24 -04:00
nfs3xdr.c nfsd: knfsd must use the container user namespace 2019-04-24 09:46:35 -04:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-06-24 12:11:52 -04:00
nfs4callback.c nfsd: Remove unnecessary NULL checks 2019-08-16 13:49:29 -04:00
nfs4idmap.c nfsd: Fix misuse of strlcpy 2019-07-08 23:16:11 -04:00
nfs4layouts.c nfsd: convert fi_deleg_file and ls_file fields to nfsd_file 2019-08-19 11:09:09 -04:00
nfs4proc.c nfsd: hook up nfs4_preprocess_stateid_op to the nfsd_file cache 2019-08-19 11:09:09 -04:00
nfs4recover.c This pull consists mostly of nfsd container work: 2019-05-15 18:21:43 -07:00
nfs4state.c nfsd: have nfsd_test_lock use the nfsd_file cache 2019-08-19 11:09:09 -04:00
nfs4xdr.c nfsd: eliminate an unnecessary acl size limit 2019-08-28 21:13:45 -04:00
nfscache.c nfsd4: Fix kernel crash when reading proc file reply_cache_stats 2019-08-16 13:36:55 -04:00
nfsctl.c nfsd: initialize i_private before d_add 2019-08-15 16:24:07 -04:00
nfsd.h nfsd4: add a client info file 2019-07-03 17:52:50 -04:00
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: Handle full-length symlinks 2018-08-09 16:11:21 -04:00
nfssvc.c nfsd: rip out the raparms cache 2019-08-19 11:09:09 -04:00
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: hook up nfs4_preprocess_stateid_op to the nfsd_file cache 2019-08-19 11:09:09 -04:00
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: close cached files prior to a REMOVE or RENAME that would replace target 2019-08-19 11:09:10 -04:00
vfs.h nfsd: rip out the raparms cache 2019-08-19 11:09:09 -04:00
xdr3.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -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
xdr.h NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00