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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-05 07:59:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-05 07:59:28 +0200
commit35f2e3c267f07a42bc1bf08081e963b3a33e6d7c (patch)
treecab274350db930656d6ea9a0c9989f210acf4722 /fs/overlayfs/inode.c
parente4cdd25cafac3f61c74c146db5de7a5c9bd7b6d0 (diff)
parent7e18e42e4b280c85b76967a9106a13ca61c16179 (diff)
Merge 6.0-rc4 into tty-next
We need the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/overlayfs/inode.c')
-rw-r--r--fs/overlayfs/inode.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index b45fea69fff3..0fbcb590af84 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -460,9 +460,12 @@ ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
* of the POSIX ACLs retrieved from the lower layer to this function to not
* alter the POSIX ACLs for the underlying filesystem.
*/
-static void ovl_idmap_posix_acl(struct user_namespace *mnt_userns,
+static void ovl_idmap_posix_acl(struct inode *realinode,
+ struct user_namespace *mnt_userns,
struct posix_acl *acl)
{
+ struct user_namespace *fs_userns = i_user_ns(realinode);
+
for (unsigned int i = 0; i < acl->a_count; i++) {
vfsuid_t vfsuid;
vfsgid_t vfsgid;
@@ -470,11 +473,11 @@ static void ovl_idmap_posix_acl(struct user_namespace *mnt_userns,
struct posix_acl_entry *e = &acl->a_entries[i];
switch (e->e_tag) {
case ACL_USER:
- vfsuid = make_vfsuid(mnt_userns, &init_user_ns, e->e_uid);
+ vfsuid = make_vfsuid(mnt_userns, fs_userns, e->e_uid);
e->e_uid = vfsuid_into_kuid(vfsuid);
break;
case ACL_GROUP:
- vfsgid = make_vfsgid(mnt_userns, &init_user_ns, e->e_gid);
+ vfsgid = make_vfsgid(mnt_userns, fs_userns, e->e_gid);
e->e_gid = vfsgid_into_kgid(vfsgid);
break;
}
@@ -536,7 +539,7 @@ struct posix_acl *ovl_get_acl(struct inode *inode, int type, bool rcu)
if (!clone)
clone = ERR_PTR(-ENOMEM);
else
- ovl_idmap_posix_acl(mnt_user_ns(realpath.mnt), clone);
+ ovl_idmap_posix_acl(realinode, mnt_user_ns(realpath.mnt), clone);
/*
* Since we're not in RCU path walk we always need to release the
* original ACLs.