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-rw-r--r--include/linux/fs.h8
-rw-r--r--include/linux/mnt_idmapping.h12
2 files changed, 12 insertions, 8 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 57aee6ebba72..e1f28f757f1b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1664,7 +1664,7 @@ static inline kgid_t i_gid_into_mnt(struct user_namespace *mnt_userns,
static inline void inode_fsuid_set(struct inode *inode,
struct user_namespace *mnt_userns)
{
- inode->i_uid = mapped_fsuid(mnt_userns);
+ inode->i_uid = mapped_fsuid(mnt_userns, &init_user_ns);
}
/**
@@ -1678,7 +1678,7 @@ static inline void inode_fsuid_set(struct inode *inode,
static inline void inode_fsgid_set(struct inode *inode,
struct user_namespace *mnt_userns)
{
- inode->i_gid = mapped_fsgid(mnt_userns);
+ inode->i_gid = mapped_fsgid(mnt_userns, &init_user_ns);
}
/**
@@ -1699,10 +1699,10 @@ static inline bool fsuidgid_has_mapping(struct super_block *sb,
kuid_t kuid;
kgid_t kgid;
- kuid = mapped_fsuid(mnt_userns);
+ kuid = mapped_fsuid(mnt_userns, &init_user_ns);
if (!uid_valid(kuid))
return false;
- kgid = mapped_fsgid(mnt_userns);
+ kgid = mapped_fsgid(mnt_userns, &init_user_ns);
if (!gid_valid(kgid))
return false;
return kuid_has_mapping(fs_userns, kuid) &&
diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h
index 0c6ab3f4c952..ee5a217de2a8 100644
--- a/include/linux/mnt_idmapping.h
+++ b/include/linux/mnt_idmapping.h
@@ -196,6 +196,7 @@ static inline kgid_t mapped_kgid_user(struct user_namespace *mnt_userns,
/**
* mapped_fsuid - return caller's fsuid mapped up into a mnt_userns
* @mnt_userns: the mount's idmapping
+ * @fs_userns: the filesystem's idmapping
*
* Use this helper to initialize a new vfs or filesystem object based on
* the caller's fsuid. A common example is initializing the i_uid field of
@@ -205,14 +206,16 @@ static inline kgid_t mapped_kgid_user(struct user_namespace *mnt_userns,
*
* Return: the caller's current fsuid mapped up according to @mnt_userns.
*/
-static inline kuid_t mapped_fsuid(struct user_namespace *mnt_userns)
+static inline kuid_t mapped_fsuid(struct user_namespace *mnt_userns,
+ struct user_namespace *fs_userns)
{
- return mapped_kuid_user(mnt_userns, &init_user_ns, current_fsuid());
+ return mapped_kuid_user(mnt_userns, fs_userns, current_fsuid());
}
/**
* mapped_fsgid - return caller's fsgid mapped up into a mnt_userns
* @mnt_userns: the mount's idmapping
+ * @fs_userns: the filesystem's idmapping
*
* Use this helper to initialize a new vfs or filesystem object based on
* the caller's fsgid. A common example is initializing the i_gid field of
@@ -222,9 +225,10 @@ static inline kuid_t mapped_fsuid(struct user_namespace *mnt_userns)
*
* Return: the caller's current fsgid mapped up according to @mnt_userns.
*/
-static inline kgid_t mapped_fsgid(struct user_namespace *mnt_userns)
+static inline kgid_t mapped_fsgid(struct user_namespace *mnt_userns,
+ struct user_namespace *fs_userns)
{
- return mapped_kgid_user(mnt_userns, &init_user_ns, current_fsgid());
+ return mapped_kgid_user(mnt_userns, fs_userns, current_fsgid());
}
#endif /* _LINUX_MNT_IDMAPPING_H */