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| author |   Jeff Layton <jlayton@kernel.org> | 2025-04-10 16:42:03 -0400 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2025-04-27 23:25:44 -0400 |
| commit | 6b9785dc8b13d9fb75ceec8cf4ea7ec3f3b1edbc (patch) | |
| tree | 8c6a38f71992c49cc7c83b1f9d7482f4a1326522 /scripts/lib/kdoc/kdoc_files.py | |
| parent | nfs: handle failure of nfs_get_lock_context in unlock path (diff) | |
| download | linux-rng-6b9785dc8b13d9fb75ceec8cf4ea7ec3f3b1edbc.tar.xz linux-rng-6b9785dc8b13d9fb75ceec8cf4ea7ec3f3b1edbc.zip | |
nfs: don't share pNFS DS connections between net namespaces
Currently, different NFS clients can share the same DS connections, even
when they are in different net namespaces. If a containerized client
creates a DS connection, another container can find and use it. When the
first client exits, the connection will close which can lead to stalls
in other clients.
Add a net namespace pointer to struct nfs4_pnfs_ds, and compare those
value to the caller's netns in _data_server_lookup_locked() when
searching for a nfs4_pnfs_ds to match.
Reported-by: Omar Sandoval <osandov@osandov.com>
Reported-by: Sargun Dillon <sargun@sargun.me>
Closes: https://lore.kernel.org/linux-nfs/Z_ArpQC_vREh_hEA@telecaster/
Tested-by: Sargun Dillon <sargun@sargun.me>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Link: https://lore.kernel.org/r/20250410-nfs-ds-netns-v2-1-f80b7979ba80@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
0 files changed, 0 insertions, 0 deletions