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Diffstat (limited to 'fs/posix_acl.c')
-rw-r--r--fs/posix_acl.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 1d17d7b13dcd..5af33800743e 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -361,6 +361,7 @@ posix_acl_permission(struct user_namespace *mnt_userns, struct inode *inode,
const struct posix_acl *acl, int want)
{
const struct posix_acl_entry *pa, *pe, *mask_obj;
+ struct user_namespace *fs_userns = i_user_ns(inode);
int found = 0;
vfsuid_t vfsuid;
vfsgid_t vfsgid;
@@ -376,7 +377,7 @@ posix_acl_permission(struct user_namespace *mnt_userns, struct inode *inode,
goto check_perm;
break;
case ACL_USER:
- vfsuid = make_vfsuid(mnt_userns, &init_user_ns,
+ vfsuid = make_vfsuid(mnt_userns, fs_userns,
pa->e_uid);
if (vfsuid_eq_kuid(vfsuid, current_fsuid()))
goto mask;
@@ -390,7 +391,7 @@ posix_acl_permission(struct user_namespace *mnt_userns, struct inode *inode,
}
break;
case ACL_GROUP:
- vfsgid = make_vfsgid(mnt_userns, &init_user_ns,
+ vfsgid = make_vfsgid(mnt_userns, fs_userns,
pa->e_gid);
if (vfsgid_in_group_p(vfsgid)) {
found = 1;
@@ -736,6 +737,7 @@ void posix_acl_getxattr_idmapped_mnt(struct user_namespace *mnt_userns,
{
struct posix_acl_xattr_header *header = value;
struct posix_acl_xattr_entry *entry = (void *)(header + 1), *end;
+ struct user_namespace *fs_userns = i_user_ns(inode);
int count;
vfsuid_t vfsuid;
vfsgid_t vfsgid;
@@ -753,13 +755,13 @@ void posix_acl_getxattr_idmapped_mnt(struct user_namespace *mnt_userns,
switch (le16_to_cpu(entry->e_tag)) {
case ACL_USER:
uid = make_kuid(&init_user_ns, le32_to_cpu(entry->e_id));
- vfsuid = make_vfsuid(mnt_userns, &init_user_ns, uid);
+ vfsuid = make_vfsuid(mnt_userns, fs_userns, uid);
entry->e_id = cpu_to_le32(from_kuid(&init_user_ns,
vfsuid_into_kuid(vfsuid)));
break;
case ACL_GROUP:
gid = make_kgid(&init_user_ns, le32_to_cpu(entry->e_id));
- vfsgid = make_vfsgid(mnt_userns, &init_user_ns, gid);
+ vfsgid = make_vfsgid(mnt_userns, fs_userns, gid);
entry->e_id = cpu_to_le32(from_kgid(&init_user_ns,
vfsgid_into_kgid(vfsgid)));
break;
@@ -775,6 +777,7 @@ void posix_acl_setxattr_idmapped_mnt(struct user_namespace *mnt_userns,
{
struct posix_acl_xattr_header *header = value;
struct posix_acl_xattr_entry *entry = (void *)(header + 1), *end;
+ struct user_namespace *fs_userns = i_user_ns(inode);
int count;
vfsuid_t vfsuid;
vfsgid_t vfsgid;
@@ -793,13 +796,13 @@ void posix_acl_setxattr_idmapped_mnt(struct user_namespace *mnt_userns,
case ACL_USER:
uid = make_kuid(&init_user_ns, le32_to_cpu(entry->e_id));
vfsuid = VFSUIDT_INIT(uid);
- uid = from_vfsuid(mnt_userns, &init_user_ns, vfsuid);
+ uid = from_vfsuid(mnt_userns, fs_userns, vfsuid);
entry->e_id = cpu_to_le32(from_kuid(&init_user_ns, uid));
break;
case ACL_GROUP:
gid = make_kgid(&init_user_ns, le32_to_cpu(entry->e_id));
vfsgid = VFSGIDT_INIT(gid);
- gid = from_vfsgid(mnt_userns, &init_user_ns, vfsgid);
+ gid = from_vfsgid(mnt_userns, fs_userns, vfsgid);
entry->e_id = cpu_to_le32(from_kgid(&init_user_ns, gid));
break;
default: