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J. Bruce Fields ab1016d39c nfsd: fix NULL dereference in nfs3svc_encode_getaclres 
In error cases the dentry may be NULL.

Before 20798dfe249a, the encoder also checked dentry and
d_really_is_positive(dentry), but that looks like overkill to me--zero
status should be enough to guarantee a positive dentry.

This isn't the first time we've seen an error-case NULL dereference
hidden in the initialization of a local variable in an xdr encoder.  But
I went back through the other recent rewrites and didn't spot any
similar bugs.

Reported-by: JianHong Yin <jiyin@redhat.com>
Reviewed-by: Chuck Lever III <chuck.lever@oracle.com>
Fixes: 20798dfe249a ("NFSD: Update the NFSv3 GETACL result encoder...")
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2021-07-06 20:14:44 -04:00
..
acl.h
nfsd: eliminate an unnecessary acl size limit
2019-08-28 21:13:45 -04:00
auth.c
nfsd: auth: Fix gid sorting when rootsquash enabled
2018-01-22 20:13:07 -08:00
auth.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blocklayout.c
block: remove unnecessary argument from blk_execute_rq
2021-01-24 21:52:39 -07:00
blocklayoutxdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
blocklayoutxdr.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cache.h
nfsd4: make drc_slab global, not per-net
2020-06-01 17:44:45 -04:00
current_stateid.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
export.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
export.h
nfsd: report per-export stats
2021-01-25 09:36:28 -05:00
fault_inject.c
nfsd: no need to check return value of debugfs_create functions
2019-07-03 16:57:17 +02:00
filecache.c
nfsd: Don't keep looking up unhashed files in the nfsd file cache
2021-03-06 16:41:47 -05:00
filecache.h
nfsd: convert file cache to use over/underflow safe refcount
2020-02-06 11:22:55 -05:00
flexfilelayout.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idmap.h
nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx
2015-07-20 14:58:46 -04:00
Kconfig
NFS client updates for Linux 5.13
2021-05-07 11:23:41 -07:00
lockd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Makefile
nfsd: remove fault injection code
2020-09-25 18:01:26 -04:00
netns.h
NFSD: delay unmount source's export after inter-server copy completed.
2021-05-25 17:06:51 -04:00
nfs2acl.c
NFSD: Update the NFSv2 ACL ACCESS result encoder to use struct xdr_stream
2021-03-22 10:19:01 -04:00
nfs3acl.c
nfsd: fix NULL dereference in nfs3svc_encode_getaclres
2021-07-06 20:14:44 -04:00
nfs3proc.c
NFSD: Reduce svc_rqst::rq_pages churn during READDIR operations
2021-03-22 10:18:56 -04:00
nfs3xdr.c
NFSD: Clean up NFSDDBG_FACILITY macro
2021-03-22 10:19:02 -04:00
nfs4acl.c
acl: handle idmapped mounts
2021-01-24 14:27:17 +01:00
nfs4callback.c
nfsd: rpc_peeraddr2str needs rcu lock
2021-07-06 20:14:42 -04:00
nfs4idmap.c
nfsd: Use seq_putc() in two functions
2020-07-13 17:28:46 -04:00
nfs4layouts.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nfs4proc.c
nfsd: remove redundant assignment to pointer 'this'
2021-07-06 20:14:44 -04:00
nfs4recover.c
nfsd: Log client tracking type log message as info instead of warning
2021-03-22 10:19:03 -04:00
nfs4state.c
nfsd: fix kernel test robot warning in SSC code
2021-07-06 20:14:41 -04:00
nfs4xdr.c
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
nfscache.c
nfsd: protect concurrent access to nfsd stats counters
2021-01-25 09:36:27 -05:00
nfsctl.c
nfsd: Fix fall-through warnings for Clang
2021-04-20 16:55:07 -04:00
nfsd.h
NFSD: delay unmount source's export after inter-server copy completed.
2021-05-25 17:06:51 -04:00
nfsfh.c
NFSD: Update the GETATTR3res encoder to use struct xdr_stream
2021-03-22 10:18:51 -04:00
nfsfh.h
NFSD: Constify @fh argument of knfsd_fh_hash()
2021-05-18 13:44:03 -04:00
nfsproc.c
Merge branch 'work.inode-type-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-04-27 10:57:42 -07:00
nfssvc.c
NFSD: delay unmount source's export after inter-server copy completed.
2021-05-25 17:06:51 -04:00
nfsxdr.c
NFSD: Clean up NFSDDBG_FACILITY macro
2021-03-22 10:19:02 -04:00
pnfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
state.h
nfsd: track filehandle aliasing in nfs4_files
2021-04-19 16:41:36 -04:00
stats.c
nfsd: protect concurrent access to nfsd stats counters
2021-01-25 09:36:27 -05:00
stats.h
nfsd: report per-export stats
2021-01-25 09:36:28 -05:00
trace.c
NFSD: Add SPDX header for fs/nfsd/trace.c
2020-11-30 13:00:24 -05:00
trace.h
NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
2021-07-06 20:14:44 -04:00
vfs.c
nfsd: Reduce contention for the nfsd_file nf_rwsem
2021-07-06 20:14:44 -04:00
vfs.h
NFSD: Update the NFSv3 ACCESS3res encoder to use struct xdr_stream
2021-03-22 10:18:52 -04:00
xdr3.h
NFSD: Clean up after updating NFSv3 ACL encoders
2021-03-22 10:19:02 -04:00
xdr4.h
NFSD add vfs_fsync after async copy is done
2021-05-25 17:06:51 -04:00
xdr4cb.h
NFSD CB_OFFLOAD xdr
2018-09-25 20:34:54 -04:00
xdr.h
NFSD: Clean up after updating NFSv2 ACL encoders
2021-03-22 10:19:01 -04:00