From: bfields@fieldses.org (J. Bruce Fields)
To: Andreas Gruenbacher <agruenba@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-nfs@vger.kernel.org, linux-api@vger.kernel.org,
linux-cifs@vger.kernel.org,
linux-security-module@vger.kernel.org,
Andreas Gruenbacher <agruen@kernel.org>
Subject: Re: [RFC v7 25/41] richacl: Isolate the owner and group classes
Date: Tue, 22 Sep 2015 15:02:24 -0400 [thread overview]
Message-ID: <20150922190224.GA19127@fieldses.org> (raw)
In-Reply-To: <1441448856-13478-26-git-send-email-agruenba@redhat.com>
On Sat, Sep 05, 2015 at 12:27:20PM +0200, Andreas Gruenbacher wrote:
> When applying the file masks to an acl, we need to ensure that no
> process gets more permissions than allowed by its file mask.
>
> This may require inserting an owner@ deny ace to ensure this if the
> owner mask contains fewer permissions than the group or other mask. For
> example, when applying mode 0466 to the following acl:
>
> everyone@:rw::allow
>
> A deny ace needs to be inserted so that the owner won't get elevated
> write access:
>
> owner@:w::deny
> everyone@:rw::allow
>
> Likewise, we may need to insert group class deny aces if the group mask
> contains fewer permissions than the other mask. For example, when
> applying mode 0646 to the following acl:
>
> owner@:rw::allow
> everyone@:rw::allow
>
> A deny ace needs to be inserted so that the owning group won't get
> elevated write access:
>
> owner@:rw::allow
> group@:w::deny
> everyone@:rw::allow
>
> Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
> ---
> fs/richacl_compat.c | 236 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 236 insertions(+)
>
> diff --git a/fs/richacl_compat.c b/fs/richacl_compat.c
> index 30bdc95..412844c 100644
> --- a/fs/richacl_compat.c
> +++ b/fs/richacl_compat.c
> @@ -494,3 +494,239 @@ richacl_set_other_permissions(struct richacl_alloc *alloc)
> richace_change_mask(alloc, &ace, other_mask);
> return 0;
> }
> +
> +/**
> + * richacl_max_allowed - maximum permissions that anybody is allowed
> + */
> +static unsigned int
> +richacl_max_allowed(struct richacl *acl)
> +{
> + struct richace *ace;
> + unsigned int allowed = 0;
> +
> + richacl_for_each_entry_reverse(ace, acl) {
> + if (richace_is_inherit_only(ace))
> + continue;
> + if (richace_is_allow(ace))
> + allowed |= ace->e_mask;
> + else if (richace_is_deny(ace)) {
> + if (richace_is_everyone(ace))
> + allowed &= ~ace->e_mask;
> + }
> + }
> + return allowed;
> +}
> +
> +/**
> + * richacl_isolate_owner_class - limit the owner class to the owner file mask
> + * @alloc: acl and number of allocated entries
> + *
> + * POSIX requires that after a chmod, the owner class is granted no more
> + * permissions than the owner file permission bits. For richacls, this
> + * means that the owner class must not be granted any permissions that the
> + * owner mask does not include.
> + *
> + * When we apply file masks to an acl which grant more permissions to the group
> + * or other class than to the owner class, we may end up in a situation where
> + * the owner is granted additional permissions from other aces. For example,
> + * given this acl:
> + *
> + * everyone:rwx::allow
> + *
> + * when file masks corresponding to mode 0466 are applied, after
> + * richacl_propagate_everyone() and __richacl_apply_masks(), we end up with:
> + *
> + * owner@:r::allow
> + * everyone@:rw::allow
> + *
> + * This acl still grants the owner rw access through the everyone@ allow ace.
> + * To fix this, we must deny the owner w access:
> + *
> + * owner@:w::deny
> + * owner@:r::allow
> + * everyone@:rw::allow
> + */
> +static int
> +richacl_isolate_owner_class(struct richacl_alloc *alloc)
> +{
> + struct richace *ace;
> + unsigned int allowed = 0;
> +
> + allowed = richacl_max_allowed(alloc->acl);
> + if (allowed & ~alloc->acl->a_owner_mask) {
> + /*
> + * Figure out if we can update an existig OWNER@ DENY entry.
> + */
> + richacl_for_each_entry(ace, alloc->acl) {
> + if (richace_is_inherit_only(ace))
> + continue;
> + if (richace_is_deny(ace)) {
> + if (richace_is_owner(ace))
> + break;
> + } else if (richace_is_allow(ace)) {
> + ace = alloc->acl->a_entries +
> + alloc->acl->a_count;
> + break;
> + }
> + }
> + if (ace != alloc->acl->a_entries + alloc->acl->a_count) {
> + if (richace_change_mask(alloc, &ace, ace->e_mask |
> + (allowed & ~alloc->acl->a_owner_mask)))
> + return -1;
> + } else {
> + /* Insert an owner@ deny entry at the front. */
> + ace = alloc->acl->a_entries;
> + if (richacl_insert_entry(alloc, &ace))
> + return -1;
> + ace->e_type = RICHACE_ACCESS_DENIED_ACE_TYPE;
> + ace->e_flags = RICHACE_SPECIAL_WHO;
> + ace->e_mask = allowed & ~alloc->acl->a_owner_mask;
> + ace->e_id.special = RICHACE_OWNER_SPECIAL_ID;
> + }
> + }
> + return 0;
> +}
> +
> +/**
> + * __richacl_isolate_who - isolate entry from everyone@ allow entry
> + * @alloc: acl and number of allocated entries
> + * @who: identifier to isolate
> + * @deny: permissions this identifier should not be allowed
> + *
> + * See richacl_isolate_group_class().
> + */
> +static int
> +__richacl_isolate_who(struct richacl_alloc *alloc, struct richace *who,
> + unsigned int deny)
> +{
> + struct richacl *acl = alloc->acl;
> + struct richace *ace;
> + int n;
> + /*
> + * Compute the permissions already denied to @who.
I'm not sure, but may be worth commenting on the lack of everyone denies
here as you do in a couple places below.
> + */
> + richacl_for_each_entry(ace, acl) {
> + if (richace_is_inherit_only(ace))
> + continue;
> + if (richace_is_same_identifier(ace, who) &&
> + richace_is_deny(ace))
> + deny &= ~ace->e_mask;
> + }
> + if (!deny)
> + return 0;
> +
> + /*
> + * Figure out if we can update an existig deny entry. Start from the
> + * entry before the trailing everyone@ allow entry. We will not hit
> + * everyone@ entries in the loop.
> + */
> + for (n = acl->a_count - 2; n != -1; n--) {
> + ace = acl->a_entries + n;
> + if (richace_is_inherit_only(ace))
> + continue;
> + if (richace_is_deny(ace)) {
> + if (richace_is_same_identifier(ace, who))
> + break;
> + } else if (richace_is_allow(ace) &&
> + (ace->e_mask & deny)) {
> + n = -1;
> + break;
> + }
> + }
> + if (n != -1) {
> + if (richace_change_mask(alloc, &ace, ace->e_mask | deny))
> + return -1;
> + } else {
> + /*
> + * Insert a new entry before the trailing everyone@ deny entry.
> + */
> + struct richace who_copy;
> +
> + richace_copy(&who_copy, who);
> + ace = acl->a_entries + acl->a_count - 1;
> + if (richacl_insert_entry(alloc, &ace))
> + return -1;
> + richace_copy(ace, &who_copy);
> + ace->e_type = RICHACE_ACCESS_DENIED_ACE_TYPE;
> + ace->e_flags &= ~RICHACE_INHERITANCE_FLAGS;
> + ace->e_mask = deny;
> + }
As in the owner case, I think a goto would simplify the logic a little.
> + return 0;
> +}
> +
> +/**
> + * richacl_isolate_group_class - limit the group class to the group file mask
> + * @alloc: acl and number of allocated entries
> + *
> + * POSIX requires that after a chmod, the group class is granted no more
> + * permissions than the group file permission bits. For richacls, this
> + * means that the group class must not be granted any permissions that the
> + * group mask does not include.
> + *
> + * When we apply file masks to an acl which grant more permissions to the other
> + * class than to the group class, we may end up in a situation where processes
> + * in the group class are granted additional permission from other aces. For
> + * example, given this acl:
> + *
> + * joe:rwx::allow
> + * everyone:rwx::allow
> + *
> + * when file masks corresponding to mode 0646 are applied, after
> + * richacl_propagate_everyone() and __richacl_apply_masks(), we end up with:
> + *
> + * joe:r::allow
> + * owner@:rw::allow
> + * group@:r::allow
> + * everyone@:rw::allow
> + *
> + * This acl still grants joe and group@ rw access through the everyone@ allow
> + * ace. To fix this, we must deny w access to group class aces before the
> + * everyone@ allow ace at the end of the acl:
> + *
> + * joe:r::allow
> + * owner@:rw::allow
> + * group@:r::allow
> + * joe:w::deny
> + * group@:w::deny
> + * everyone@:rw::allow
> + */
> +static int
> +richacl_isolate_group_class(struct richacl_alloc *alloc)
> +{
> + struct richace who = {
> + .e_flags = RICHACE_SPECIAL_WHO,
> + .e_id.special = RICHACE_GROUP_SPECIAL_ID,
> + };
> + struct richace *ace;
> + unsigned int deny;
> +
> + if (!alloc->acl->a_count)
> + return 0;
> + ace = alloc->acl->a_entries + alloc->acl->a_count - 1;
> + if (richace_is_inherit_only(ace) || !richace_is_everyone(ace))
> + return 0;
> + deny = ace->e_mask & ~alloc->acl->a_group_mask;
> +
> + if (deny) {
> + unsigned int n;
> +
> + if (__richacl_isolate_who(alloc, &who, deny))
> + return -1;
> + /*
> + * Start from the entry before the trailing everyone@ allow
> + * entry. We will not hit everyone@ entries in the loop.
May as well skip the check below, in that case?
--b.
> + */
> + for (n = alloc->acl->a_count - 2; n != -1; n--) {
> + ace = alloc->acl->a_entries + n;
> +
> + if (richace_is_inherit_only(ace) ||
> + richace_is_owner(ace) ||
> + richace_is_group(ace) ||
> + richace_is_everyone(ace))
> + continue;
> + if (__richacl_isolate_who(alloc, ace, deny))
> + return -1;
> + }
> + }
> + return 0;
> +}
> --
> 2.4.3
>
> --
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next prev parent reply other threads:[~2015-09-22 19:02 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-05 10:26 [RFC v7 00/41] Richacls Andreas Gruenbacher
2015-09-05 10:26 ` [RFC v7 04/41] vfs: Make the inode passed to inode_change_ok non-const Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 05/41] vfs: Add permission flags for setting file attributes Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 06/41] richacl: In-memory representation and helper functions Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 07/41] richacl: Permission mapping functions Andreas Gruenbacher
[not found] ` <1441448856-13478-1-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-05 10:26 ` [RFC v7 01/41] vfs: Add IS_ACL() and IS_RICHACL() tests Andreas Gruenbacher
2015-09-05 10:26 ` [RFC v7 02/41] vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags Andreas Gruenbacher
2015-09-05 10:26 ` [RFC v7 03/41] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD " Andreas Gruenbacher
2015-09-06 8:14 ` [PATCH] " Andreas Gruenbacher
[not found] ` <1441527246-18189-1-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 20:30 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 08/41] richacl: Compute maximum file masks from an acl Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 09/41] richacl: Update the file masks in chmod() Andreas Gruenbacher
[not found] ` <1441448856-13478-10-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 20:35 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 10/41] richacl: Permission check algorithm Andreas Gruenbacher
[not found] ` <1441448856-13478-11-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 21:16 ` J. Bruce Fields
[not found] ` <20150911211617.GF11677-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-11 22:12 ` Andreas Grünbacher
2015-09-17 17:30 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 11/41] vfs: Cache base_acl objects in inodes Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 13/41] richacl: Check if an acl is equivalent to a file mode Andreas Gruenbacher
2015-09-17 18:22 ` J. Bruce Fields
[not found] ` <20150917182219.GB13825-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-18 0:56 ` J. Bruce Fields
[not found] ` <20150918005607.GB16699-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 13:59 ` Austin S Hemmelgarn
[not found] ` <56000D2B.6000705-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-09-21 14:38 ` J. Bruce Fields
[not found] ` <20150921143817.GA11256-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 17:00 ` Austin S Hemmelgarn
2015-09-21 17:48 ` J. Bruce Fields
2015-09-21 15:31 ` J. Bruce Fields
2015-09-21 23:26 ` Andreas Gruenbacher
2015-09-21 23:20 ` Andreas Gruenbacher
2015-09-17 18:37 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 14/41] richacl: Create-time inheritance Andreas Gruenbacher
[not found] ` <1441448856-13478-15-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-18 17:58 ` J. Bruce Fields
[not found] ` <20150918175840.GA21506-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 20:37 ` Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 17/41] vfs: Add richacl permission checking Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 19/41] ext4: Add richacl feature flag Andreas Gruenbacher
2015-09-23 2:31 ` Aneesh Kumar K.V
2015-09-05 10:27 ` [RFC v7 20/41] richacl: acl editing helper functions Andreas Gruenbacher
[not found] ` <1441448856-13478-21-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-18 18:54 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 22/41] richacl: Propagate everyone@ permissions to other aces Andreas Gruenbacher
[not found] ` <1441448856-13478-23-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-18 21:36 ` J. Bruce Fields
[not found] ` <20150918213611.GC22671-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 23:44 ` Andreas Gruenbacher
2015-09-18 21:56 ` J. Bruce Fields
[not found] ` <20150918215611.GD22671-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 19:24 ` J. Bruce Fields
[not found] ` <20150921192441.GA12968-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 1:24 ` Andreas Gruenbacher
[not found] ` <CAHc6FU5Ug3rN2-znFeABpdn+LCHgvzOnSRB4BCepNS6mToJVZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-23 1:39 ` Andreas Gruenbacher
[not found] ` <1442972384-22757-1-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-23 1:46 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 24/41] richacl: Set the other permissions to the other mask Andreas Gruenbacher
2015-09-23 14:03 ` J. Bruce Fields
[not found] ` <20150923140307.GB27083-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 14:12 ` Andreas Grünbacher
2015-09-05 10:27 ` [RFC v7 25/41] richacl: Isolate the owner and group classes Andreas Gruenbacher
[not found] ` <1441448856-13478-26-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-22 16:06 ` J. Bruce Fields
[not found] ` <20150922160637.GC15838-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 13:11 ` Andreas Gruenbacher
[not found] ` <CAHc6FU6gnPK5vdJynv0ze=mNju6V_1WuR99oXWC4Fdh2GFMVgA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-23 13:15 ` J. Bruce Fields
2015-09-22 19:02 ` J. Bruce Fields [this message]
[not found] ` <20150922190224.GA19127-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 13:33 ` Andreas Gruenbacher
[not found] ` <CAHc6FU7_+fbyG0mEu3pUkfaV72AM0DzJnBES=b--koXJgo0a2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-25 11:25 ` Andreas Gruenbacher
[not found] ` <1443180341-22911-1-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-25 20:17 ` J. Bruce Fields
2015-09-22 19:02 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 26/41] richacl: Apply the file masks to a richacl Andreas Gruenbacher
2015-09-22 19:11 ` J. Bruce Fields
[not found] ` <20150922191108.GC19127-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 19:18 ` J. Bruce Fields
[not found] ` <20150923191832.GA29577-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 20:29 ` Andreas Gruenbacher
[not found] ` <CAHc6FU4YkLJUAQEfH7CG8sAzXYbGzg_ibyT7m26Fc1p26v1=VQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-23 20:33 ` J. Bruce Fields
[not found] ` <20150923203357.GC30521-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 20:40 ` Andreas Gruenbacher
2015-09-23 21:05 ` J. Bruce Fields
[not found] ` <20150923210531.GC29349-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 22:14 ` Andreas Gruenbacher
2015-09-24 15:28 ` J. Bruce Fields
[not found] ` <20150924152851.GC3823-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-24 15:48 ` Andreas Gruenbacher
[not found] ` <1441448856-13478-27-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-22 20:50 ` J. Bruce Fields
2015-09-24 18:33 ` J. Bruce Fields
[not found] ` <20150924183310.GE3823-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-25 16:21 ` [PATCH] richacl: Possible other write-through fix Andreas Gruenbacher
2015-09-25 16:45 ` Andreas Gruenbacher
[not found] ` <1443199559-4870-1-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-25 18:36 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 27/41] richacl: Create richacl from mode values Andreas Gruenbacher
[not found] ` <1441448856-13478-28-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-23 20:11 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 28/41] nfsd: Keep list of acls to dispose of in compoundargs Andreas Gruenbacher
[not found] ` <1441448856-13478-29-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-23 20:28 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 29/41] nfsd: Use richacls as internal acl representation Andreas Gruenbacher
[not found] ` <1441448856-13478-30-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-24 19:29 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 30/41] nfsd: Add richacl support Andreas Gruenbacher
2015-09-24 19:38 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 31/41] nfsd: Add support for the v4.1 dacl attribute Andreas Gruenbacher
[not found] ` <1441448856-13478-32-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-24 19:59 ` J. Bruce Fields
2015-09-25 16:37 ` Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 32/41] nfsd: Add support for the MAY_CREATE_{FILE,DIR} permissions Andreas Gruenbacher
[not found] ` <1441448856-13478-33-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-24 20:01 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 33/41] richacl: Add support for unmapped identifiers Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 35/41] sunrpc: Allow to demand-allocate pages to encode into Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 36/41] sunrpc: Add xdr_init_encode_pages Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 38/41] nfs: Remove unused xdr page offsets in getacl/setacl arguments Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 39/41] nfs: Add richacl support Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 40/41] nfs: Add support for the v4.1 dacl attribute Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 41/41] richacl: uapi header split Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 12/41] vfs: Cache richacl in struct inode Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 15/41] richacl: Automatic Inheritance Andreas Gruenbacher
2015-09-18 18:40 ` J. Bruce Fields
2015-09-21 21:19 ` Andreas Gruenbacher
2015-09-22 1:51 ` J. Bruce Fields
[not found] ` <20150922015146.GA15960-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-23 13:55 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 16/41] richacl: xattr mapping functions Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 18/41] ext4: Add richacl support Andreas Gruenbacher
[not found] ` <1441448856-13478-19-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-23 2:30 ` Aneesh Kumar K.V
2015-09-05 10:27 ` [RFC v7 21/41] richacl: Move everyone@ aces down the acl Andreas Gruenbacher
2015-09-18 19:35 ` J. Bruce Fields
[not found] ` <20150918193524.GA22671-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-09-21 21:43 ` Andreas Gruenbacher
[not found] ` <CAHc6FU5m8KKSsEg18UhRSnVdsAzoFSD9pdLRv1DdDA==ZCQmdw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-22 1:52 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 23/41] richacl: Set the owner permissions to the owner mask Andreas Gruenbacher
2015-09-21 21:00 ` J. Bruce Fields
2015-09-05 10:27 ` [RFC v7 34/41] ext4: Don't allow unmapped identifiers in richacls Andreas Gruenbacher
2015-09-05 10:27 ` [RFC v7 37/41] nfs: Fix GETATTR bitmap verification Andreas Gruenbacher
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