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linux-rolling-stable
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Trond Myklebust 94413a8406 NFS: Fix size read races in truncate, fallocate and copy offload 
[ Upstream commit d5811e6297 ]

If the pre-operation file size is read before locking the inode and
quiescing O_DIRECT writes, then nfs_truncate_last_folio() might end up
overwriting valid file data.

Fixes: b1817b18ff ("NFS: Protect against 'eof page pollution'")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-01-23 11:21:20 +01:00
..
blocklayout
pnfs/blocklayout: Fix memory leak in bl_parse_scsi()
2026-01-23 11:21:14 +01:00
filelayout
NFS: Update the filelayout to use xdr_set_scratch_folio()
2025-09-23 13:29:50 -04:00
flexfilelayout
pnfs/flexfiles: Fix memory leak in nfs4_ff_alloc_deviceid_node()
2026-01-23 11:21:14 +01:00
cache_lib.c
…
cache_lib.h
…
callback_proc.c
NFS: CB_OFFLOAD can return NFS4ERR_DELAY
2025-01-21 11:34:50 -05:00
callback_xdr.c
nfsd: don't use sv_nrthreads in connection limiting calculations.
2025-01-06 09:37:36 -05:00
callback.c
SUNRPC: Move the svc_rpcb_cleanup() call sites
2025-09-23 13:28:19 -04:00
callback.h
NFSv4: Add CB_GETATTR support for delegated attributes
2024-07-08 13:47:25 -04:00
client.c
NFS: Fix inheritance of the block sizes when automounting
2025-12-18 14:03:35 +01:00
delegation.c
NFS: use a hash table for delegation lookup
2025-07-22 08:10:41 -04:00
delegation.h
NFS: use a hash table for delegation lookup
2025-07-22 08:10:41 -04:00
dir.c
NFS: Initialise verifiers for visible dentries in nfs_atomic_open()
2025-12-18 14:03:33 +01:00
direct.c
nfs: direct: drop useless initializer in nfs_direct_write_completion()
2025-04-27 23:25:44 -04:00
dns_resolve.c
NFS: Move common includes outside ifdef
2023-08-24 13:24:15 -04:00
dns_resolve.h
…
export.c
NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()
2025-07-22 09:50:56 -04:00
file.c
NFS: Fix a deadlock involving nfs_release_folio()
2026-01-23 11:21:13 +01:00
fs_context.c
change the calling conventions for vfs_parse_fs_string()
2025-09-04 15:20:51 -04:00
fscache.c
netfs: Fix undifferentiation of DIO reads from unbuffered reads
2025-05-23 10:35:03 +02:00
fscache.h
netfs: Drop the was_async arg from netfs_read_subreq_terminated()
2024-12-20 22:34:03 +01:00
getroot.c
nfs: fix the comment of nfs_get_root
2024-09-23 15:03:13 -04:00
inode.c
NFS: Fix size read races in truncate, fallocate and copy offload
2026-01-23 11:21:20 +01:00
internal.h
NFS: Fix inheritance of the block sizes when automounting
2025-12-18 14:03:35 +01:00
io.c
NFS: Fix size read races in truncate, fallocate and copy offload
2026-01-23 11:21:20 +01:00
iostat.h
mm: add comments for allocation helpers explaining why they are macros
2024-07-12 15:52:20 -07:00
Kconfig
nfs: add missing selections of CONFIG_CRC32
2025-04-13 16:39:42 -04:00
localio.c
NFS/localio: Deal with page bases that are > PAGE_SIZE
2026-01-23 11:21:14 +01:00
Makefile
nfs: add LOCALIO support
2024-09-23 15:03:30 -04:00
mount_clnt.c
NFS: Remove unused function nfs_umount
2025-07-14 15:20:28 -07:00
namespace.c
NFS: Fix up the automount fs_context to use the correct cred
2026-01-17 16:35:17 +01:00
netns.h
nfs: move the nfs4_data_server_cache into struct nfs_net
2025-04-27 23:25:44 -04:00
nfs2super.c
fs: nfs: add missing MODULE_DESCRIPTION() macros
2024-07-08 13:47:24 -04:00
nfs2xdr.c
nfs/localio: add tracepoints for misaligned DIO READ and WRITE support
2025-09-30 16:10:30 -04:00
nfs3_fs.h
…
nfs3acl.c
nfs: nfs3acl: drop useless assignment in nfs3_get_acl()
2025-04-27 23:25:44 -04:00
nfs3client.c
pnfs: Set transport security policy to RPC_XPRTSEC_NONE unless using TLS
2025-11-10 10:32:28 -05:00
nfs3proc.c
Merge tag 'nfs-for-6.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2025-04-02 17:06:31 -07:00
nfs3super.c
fs: nfs: add missing MODULE_DESCRIPTION() macros
2024-07-08 13:47:24 -04:00
nfs3xdr.c
nfs/localio: add tracepoints for misaligned DIO READ and WRITE support
2025-09-30 16:10:30 -04:00
nfs4_fs.h
NFSv4: Remove duplicate lookups, capability probes and fsinfo calls
2025-08-04 09:48:16 -07:00
nfs4client.c
NFS: Fix inheritance of the block sizes when automounting
2025-12-18 14:03:35 +01:00
nfs4file.c
NFS: Enable use of the RWF_DONTCACHE flag on the NFS client
2025-09-23 13:29:50 -04:00
nfs4getroot.c
NFSv4: Remove duplicate lookups, capability probes and fsinfo calls
2025-08-04 09:48:16 -07:00
nfs4idmap.c
rpc_mkpipe_dentry(): saner calling conventions
2025-07-02 22:44:55 -04:00
nfs4idmap.h
…
nfs4namespace.c
…
nfs4proc.c
pNFS: Fix a deadlock when returning a delegation during open()
2026-01-23 11:21:13 +01:00
nfs4renewd.c
fs: replace use of system_wq with system_percpu_wq
2025-09-19 16:15:07 +02:00
nfs4session.c
…
nfs4session.h
nfs: add missing selections of CONFIG_CRC32
2025-04-13 16:39:42 -04:00
nfs4state.c
NFSv4.1: fix mount hang after CREATE_SESSION failure
2025-09-23 13:28:19 -04:00
nfs4super.c
do_nfs4_mount(): switch to vfs_parse_fs_string()
2025-09-04 15:20:58 -04:00
nfs4sysctl.c
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
nfs4trace.c
pNFS: Add prepare commit trace to block/scsi layout
2025-07-14 15:20:28 -07:00
nfs4trace.h
NFSv4: ensure the open stateid seqid doesn't go backwards
2026-01-17 16:35:16 +01:00
nfs4xdr.c
NFS: Update getacl to use xdr_set_scratch_folio()
2025-09-23 13:29:50 -04:00
nfs42.h
NFS: Add support for fallocate(FALLOC_FL_ZERO_RANGE)
2025-05-28 17:17:13 -04:00
nfs42proc.c
NFS: Fix size read races in truncate, fallocate and copy offload
2026-01-23 11:21:20 +01:00
nfs42xattr.c
mm/list_lru: simplify the list_lru walk callback function
2024-11-11 17:22:26 -08:00
nfs42xdr.c
NFS: Update listxattr to use xdr_set_scratch_folio()
2025-09-23 13:29:50 -04:00
nfs.h
NFS: Implement get_nfs_version()
2024-11-08 14:17:37 -05:00
nfsroot.c
NFS: Fix an off by one in root_nfs_cat()
2024-03-09 09:14:51 -05:00
nfstrace.c
…
nfstrace.h
NFS: Fix a deadlock involving nfs_release_folio()
2026-01-23 11:21:13 +01:00
pagelist.c
NFS: Fix a race when updating an existing write
2025-08-19 11:16:02 -07:00
pnfs_dev.c
nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type
2024-07-10 13:23:17 -04:00
pnfs_nfs.c
pnfs: Fix TLS logic in _nfs4_pnfs_v4_ds_connect()
2025-11-10 10:32:28 -05:00
pnfs.c
pNFS: Fix a deadlock when returning a delegation during open()
2026-01-23 11:21:13 +01:00
pnfs.h
pNFS: Fix a deadlock when returning a delegation during open()
2026-01-23 11:21:13 +01:00
proc.c
nfs: change mkdir inode_operation to return alternate dentry if needed.
2025-03-05 11:52:50 +01:00
read.c
fs/nfs/read: fix double-unlock bug in nfs_return_empty_folio()
2025-05-28 17:17:13 -04:00
super.c
NFS: Fix inheritance of the block sizes when automounting
2025-12-18 14:03:35 +01:00
symlink.c
fs: Pass a folio to page_put_link()
2025-05-15 12:14:29 +02:00
sysctl.c
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
sysfs.c
NFS: sysfs: fix leak when nfs_client kobject add fails
2025-11-10 14:30:45 -05:00
sysfs.h
NFS: Add sysfs links to sunrpc clients for nfs_clients
2023-06-19 15:04:13 -04:00
unlink.c
VFS: rename lookup_one_len family to lookup_noperm and remove permission check
2025-04-08 11:24:36 +02:00
write.c
NFS: Fix a deadlock involving nfs_release_folio()
2026-01-23 11:21:13 +01:00