linux-kernel - [PATCH v3 0/8] nfsd/vfs: fix handling of delegated timestamp updates

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250727-nfsd-testing-v3-0-8dc2aafb166d@kernel.org>
Date: Sun, 27 Jul 2025 14:36:10 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Alexander Viro <viro@...iv.linux.org.uk>, 
 Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
 Steven Rostedt <rostedt@...dmis.org>, 
 Masami Hiramatsu <mhiramat@...nel.org>, 
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, 
 Chuck Lever <chuck.lever@...cle.com>, NeilBrown <neil@...wn.name>, 
 Olga Kornievskaia <okorniev@...hat.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>
Cc: Trond Myklebust <trondmy@...merspace.com>, 
 Anna Schumaker <anna@...nel.org>, linux-fsdevel@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org, 
 linux-nfs@...r.kernel.org, Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v3 0/8] nfsd/vfs: fix handling of delegated timestamp
 updates

This patchset fixes the handling of delegated timestamps in nfsd.

This posting is basically identical to the last, aside from
splitting out one fix into a separate patch, and the addition of some
Fixes: tags.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
Changes in v3:
- split out decoder fix into separate patch
- add Fixes: tags
- Link to v2: https://lore.kernel.org/r/20250726-nfsd-testing-v2-0-f45923db2fbb@kernel.org

Changes in v2:
- add ATTR_CTIME_SET and remove inode_set_ctime_deleg()
- track original timestamps in struct nfs4_delegation
- fix delegated timestamp updates to respect saved timestamps
- Link to v1: https://lore.kernel.org/r/20250722-nfsd-testing-v1-0-31321c7fc97f@kernel.org

---
Jeff Layton (8):
      nfsd: fix assignment of ia_ctime.tv_nsec on delegated mtime update
      nfsd: ignore ATTR_DELEG when checking ia_valid before notify_change()
      vfs: add ATTR_CTIME_SET flag
      nfsd: use ATTR_CTIME_SET for delegated ctime updates
      nfsd: track original timestamps in nfs4_delegation
      nfsd: fix SETATTR updates for delegated timestamps
      nfsd: fix timestamp updates in CB_GETATTR
      vfs: remove inode_set_ctime_deleg()

 fs/attr.c           | 34 ++++++++++---------------
 fs/inode.c          | 73 -----------------------------------------------------
 fs/nfsd/nfs4proc.c  | 31 ++++++++++++++++++++++-
 fs/nfsd/nfs4state.c | 44 +++++++++++++++++---------------
 fs/nfsd/nfs4xdr.c   |  5 ++--
 fs/nfsd/state.h     |  8 ++++++
 fs/nfsd/vfs.c       |  2 +-
 include/linux/fs.h  |  3 +--
 8 files changed, 79 insertions(+), 121 deletions(-)
---
base-commit: b05f077b59098b4760e3f675b00a4e6a1ad4b0ad
change-id: 20250722-nfsd-testing-5e861a3cf3a0

Best regards,
-- 
Jeff Layton <jlayton@...nel.org>