AuxXxilium/linux_dsm_epyc7002
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340f0ba1c6
linux_dsm_epyc7002/fs/nfsd
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J. Bruce Fields 340f0ba1c6 nfsd: return correct lockowner when there is a race on hash insert 
alloc_init_lock_stateowner can return an already freed entry if there is
a race to put openowners in the hashtable.

Noticed by inspection after Jeff Layton fixed the same bug for open
owners.  Depending on client behavior, this one may be trickier to
trigger in practice.

Fixes: c58c6610ec "nfsd: Protect adding/removing lock owners using client_lock"
Cc: <stable@vger.kernel.org>
Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-03-25 21:06:16 -04:00
..
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c nfsd: silence sparse warning about accessing credentials 2014-07-17 16:15:35 -04:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
blocklayout.c nfsd: pNFS block layout driver 2015-02-05 14:35:18 +01:00
blocklayoutxdr.c nfsd: pNFS block layout driver 2015-02-05 14:35:18 +01:00
blocklayoutxdr.h nfsd: pNFS block layout driver 2015-02-05 14:35:18 +01:00
cache.h nfsd: Remove the cache_hash list 2014-08-17 12:00:12 -04:00
current_stateid.h nfsd41: use current stateid by value 2012-02-15 11:20:45 -05:00
export.c nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
export.h nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
fault_inject.c nfsd: remove old fault injection infrastructure 2014-08-05 10:55:10 -04:00
idmap.h nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
Kconfig nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
Makefile nfsd: pNFS block layout driver 2015-02-05 14:35:18 +01:00
netns.h nfsd: add some comments to the nfsd4 object definitions 2014-08-05 16:09:20 -04:00
nfs2acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs3acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs3proc.c nfsd: allow turning off nfsv3 readdir_plus 2014-08-18 15:12:14 -04:00
nfs3xdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
nfs4acl.c NFSD: Check acl returned from get_acl/posix_acl_from_mode 2014-07-11 15:03:53 -04:00
nfs4callback.c nfsd: implement pNFS layout recalls 2015-02-02 18:09:43 +01:00
nfs4idmap.c NFSD: Full checking of authentication name 2014-09-03 17:43:03 -04:00
nfs4layouts.c NFSD: Check layout type when returning client layouts 2015-03-20 12:43:59 -04:00
nfs4proc.c NFSD: Put exports after nfsd4_layout_verify fail 2015-03-20 16:15:42 -04:00
nfs4recover.c VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
nfs4state.c nfsd: return correct lockowner when there is a race on hash insert 2015-03-25 21:06:16 -04:00
nfs4xdr.c NFSD: Take care the return value from nfsd4_decode_stateid 2015-03-20 12:43:59 -04:00
nfscache.c NFSD: Error out when register_shrinker() fail 2015-03-20 12:44:00 -04:00
nfsctl.c nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
nfsd.h nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
nfsfh.c VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
nfsfh.h nfsd: fix comparison in fh_fsid_match() 2015-02-12 11:26:19 -05:00
nfsproc.c nfsd: print status when nfsd4_open fails to open file it just created 2014-07-29 23:08:38 -04:00
nfssvc.c nfsd: default NFSv4.2 to on 2015-02-09 14:58:50 -05:00
nfsxdr.c NFSD: Using min/max/min_t/max_t for calculate 2014-06-23 11:31:36 -04:00
pnfs.h nfsd4: fix v3-less build 2015-02-16 11:43:13 -05:00
state.h nfsd: implement pNFS layout recalls 2015-02-02 18:09:43 +01:00
stats.c nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
trace.c nfsd: add trace events 2015-02-02 18:09:44 +01:00
trace.h nfsd: add trace events 2015-02-02 18:09:44 +01:00
vfs.c VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
vfs.h Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux 2014-12-16 15:25:31 -08:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h nfsd: implement pNFS operations 2015-02-02 18:09:42 +01:00
xdr4cb.h nfsd: implement pNFS layout recalls 2015-02-02 18:09:43 +01:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00