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Merge tag 'pull-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull d_name audit update from Al Viro:
 "Simplifying ->d_name audits, easy part.

  Turn dentry->d_name into an anon union of const struct qsrt (d_name
  itself) and a writable alias (__d_name).

  With constification of some struct qstr * arguments of functions that
  get &dentry->d_name passed to them, that ends up with all
  modifications provably done only in fs/dcache.c (and a fairly small
  part of it).

  Any new places doing modifications will be easy to find - grep for
  __d_name will suffice"

* tag 'pull-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  make it easier to catch those who try to modify ->d_name
  generic_ci_validate_strict_name(): constify name argument
  afs_dir_search: constify qstr argument
  afs_edit_dir_{add,remove}(): constify qstr argument
  exfat_find(): constify qstr argument
  security_dentry_init_security(): constify qstr argument
This commit is contained in:
Linus Torvalds
2025-10-03 11:14:02 -07:00
parent 829745b75a 180a9cc3fd
commit 33fc69a05c
12 changed files with 34 additions and 29 deletions
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4
include/linux/security.h
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@@ -391,7 +391,7 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
const char **xattr_name,
struct lsm_context *lsmcxt);
int security_dentry_create_files_as(struct dentry *dentry, int mode,
struct qstr *name,
const struct qstr *name,
const struct cred *old,
struct cred *new);
int security_path_notify(const struct path *path, u64 mask,
@@ -872,7 +872,7 @@ static inline int security_dentry_init_security(struct dentry *dentry,
}
static inline int security_dentry_create_files_as(struct dentry *dentry,
int mode, struct qstr *name,
int mode, const struct qstr *name,
const struct cred *old,
struct cred *new)
{