Hey Linus,
/* Summary */
For the v6.13 cycle we switched overlayfs to a variant of
override_creds() that doesn't take an extra reference. To this end the
{override,revert}_creds_light() helpers were introduced.
This series generalizes the idea behind {override,revert}_creds_light()
to the {override,revert}_creds() helpers. Afterwards overriding and
reverting credentials is reference count free unless the caller
explicitly takes a reference. All caller's have been appropriately ported.
/* Testing */
gcc version 14.2.0 (Debian 14.2.0-6)
Debian clang version 16.0.6 (27+b1)
No build failures or warnings were observed.
/* Conflicts */
Merge conflicts with mainline
=============================
No known conflicts.
Merge conflicts with other trees
================================
[1] linux-next: manual merge of the vfs-brauner tree with the nfs-anna tree
https://lore.kernel.org/linux-next/20250109084503.1e046ef7@xxxxxxxxxxxxxxxx
The following changes since commit 40384c840ea1944d7c5a392e8975ed088ecf0b37:
Linux 6.13-rc1 (2024-12-01 14:28:56 -0800)
are available in the Git repository at:
git@xxxxxxxxxxxxxxxxxxx:pub/scm/linux/kernel/git/vfs/vfs tags/kernel-6.14-rc1.cred
for you to fetch changes up to a6babf4cbeaaa1c97a205382cdc958571f668ea8:
cred: fold get_new_cred_many() into get_cred_many() (2024-12-02 11:25:15 +0100)
Please consider pulling these changes from the signed kernel-6.14-rc1.cred tag.
Thanks!
Christian
----------------------------------------------------------------
kernel-6.14-rc1.cred
----------------------------------------------------------------
Christian Brauner (31):
tree-wide: s/override_creds()/override_creds_light(get_new_cred())/g
cred: return old creds from revert_creds_light()
tree-wide: s/revert_creds()/put_cred(revert_creds_light())/g
cred: remove old {override,revert}_creds() helpers
tree-wide: s/override_creds_light()/override_creds()/g
tree-wide: s/revert_creds_light()/revert_creds()/g
firmware: avoid pointless reference count bump
sev-dev: avoid pointless cred reference count bump
target_core_configfs: avoid pointless cred reference count bump
aio: avoid pointless cred reference count bump
binfmt_misc: avoid pointless cred reference count bump
coredump: avoid pointless cred reference count bump
nfs/localio: avoid pointless cred reference count bumps
nfs/nfs4idmap: avoid pointless reference count bump
nfs/nfs4recover: avoid pointless cred reference count bump
nfsfh: avoid pointless cred reference count bump
open: avoid pointless cred reference count bump
ovl: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
smb: avoid pointless cred reference count bump
io_uring: avoid pointless cred reference count bump
acct: avoid pointless reference count bump
cgroup: avoid pointless cred reference count bump
trace: avoid pointless cred reference count bump
dns_resolver: avoid pointless cred reference count bump
cachefiles: avoid pointless cred reference count bump
nfsd: avoid pointless cred reference count bump
cred: remove unused get_new_cred()
Merge patch series "cred: rework {override,revert}_creds()"
cred: fold get_new_cred_many() into get_cred_many()
Documentation/security/credentials.rst | 5 ----
drivers/crypto/ccp/sev-dev.c | 2 +-
fs/backing-file.c | 20 +++++++-------
fs/nfsd/auth.c | 3 +-
fs/nfsd/filecache.c | 2 +-
fs/nfsd/nfs4recover.c | 3 +-
fs/nfsd/nfsfh.c | 1 -
fs/open.c | 11 ++------
fs/overlayfs/dir.c | 4 +--
fs/overlayfs/util.c | 4 +--
fs/smb/server/smb_common.c | 10 ++-----
include/linux/cred.h | 43 +++++------------------------
kernel/cred.c | 50 ----------------------------------
13 files changed, 29 insertions(+), 129 deletions(-)
