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e2751463eaa6f9fec8fea80abbdc62dbc487b3c5
android_kernel_xiaomi_sm8450/fs/nfs
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Jia-Ju Bai e2751463ea fs: nfs: Fix possible null-pointer dereferences in encode_attrs() 
In encode_attrs(), there is an if statement on line 1145 to check
whether label is NULL:
    if (label && (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL))

When label is NULL, it is used on lines 1178-1181:
    *p++ = cpu_to_be32(label->lfs);
    *p++ = cpu_to_be32(label->pi);
    *p++ = cpu_to_be32(label->len);
    p = xdr_encode_opaque_fixed(p, label->label, label->len);

To fix these bugs, label is checked before being used.

These bugs are found by a static analysis tool STCheck written by us.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2019-08-20 09:30:50 -04:00
..
blocklayout
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
filelayout
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
flexfilelayout
pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS
2019-07-18 15:50:28 -04:00
cache_lib.c
Merge tag 'nfs-for-4.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
2017-11-17 14:18:00 -08:00
cache_lib.h
Merge tag 'nfs-for-4.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
2017-11-17 14:18:00 -08:00
callback_proc.c
NFS4: Add a trace event to record invalid CB sequence IDs
2019-07-09 10:30:25 -04:00
callback_xdr.c
SUNRPC/nfs: Fix return value for nfs4_callback_compound()
2019-04-24 09:46:34 -04:00
callback.c
SUNRPC: Cache the process user cred in the RPC server listener
2019-04-24 09:46:35 -04:00
callback.h
NFS CB_OFFLOAD xdr
2018-08-09 12:56:38 -04:00
client.c
NFS: Cleanup if nfs_match_client is interrupted
2019-07-06 14:54:53 -04:00
delegation.c
NFSv4.1: Only reap expired delegations
2019-08-04 22:35:40 -04:00
delegation.h
NFSv4: Fix delegation state recovery
2019-08-04 22:35:40 -04:00
dir.c
Revert "NFS: readdirplus optimization by cache mechanism" (memleak)
2019-07-12 16:01:37 -04:00
direct.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
dns_resolve.c
keys: Pass the network namespace into request_key mechanism
2019-06-27 23:02:12 +01:00
dns_resolve.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
NFS: Pass the inode down to the getattr() callback
2018-06-04 12:07:07 -04:00
file.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
fscache-index.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
fscache.c
NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
2019-08-04 22:35:41 -04:00
fscache.h
NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
2019-08-04 22:35:41 -04:00
getroot.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inode.c
Merge branch 'containers'
2019-07-06 14:54:52 -04:00
internal.h
Revert "NFS: readdirplus optimization by cache mechanism" (memleak)
2019-07-12 16:01:37 -04:00
io.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
iostat.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
NFS: Create a root NFS directory in /sys/fs/nfs
2019-07-06 14:54:49 -04:00
mount_clnt.c
SUNRPC: Cache cred of process creating the rpc_client
2019-04-26 16:00:48 -04:00
namespace.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
netns.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
nfs2super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs2xdr.c
NFS: Record task, client ID, and XID in xdr_status trace points
2019-07-09 10:30:25 -04:00
nfs3_fs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3acl.c
nfs: fix xfstest generic/099 failed on nfsv3
2019-02-20 17:33:55 -05:00
nfs3client.c
pNFS: Allow multiple connections to the DS
2019-07-06 14:54:50 -04:00
nfs3proc.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
nfs3super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs3xdr.c
NFS: Record task, client ID, and XID in xdr_status trace points
2019-07-09 10:30:25 -04:00
nfs4_fs.h
NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
2019-08-04 22:35:40 -04:00
nfs4client.c
NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
2019-08-04 22:35:40 -04:00
nfs4file.c
Merge tag 'nfs-for-5.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2019-07-18 14:32:33 -07:00
nfs4getroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4idmap.c
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
nfs4idmap.h
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4namespace.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
nfs4proc.c
NFSv4: Ensure state recovery handles ETIMEDOUT correctly
2019-08-07 12:55:11 -04:00
nfs4renewd.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
nfs4session.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nfs4session.h
NFSv4.1: Bump the default callback session slot count to 16
2019-03-02 16:25:26 -05:00
nfs4state.c
NFSv4: Ensure state recovery handles ETIMEDOUT correctly
2019-08-07 12:55:11 -04:00
nfs4super.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
nfs4sysctl.c
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
2018-01-18 15:10:47 -05:00
nfs4trace.c
pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS
2019-07-18 15:50:28 -04:00
nfs4trace.h
pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS
2019-07-18 15:50:28 -04:00
nfs4xdr.c
fs: nfs: Fix possible null-pointer dereferences in encode_attrs()
2019-08-20 09:30:50 -04:00
nfs42.h
NFSv4.2: Add client support for the generic 'layouterror' RPC call
2019-03-01 16:20:16 -05:00
nfs42proc.c
NFSv4.1 fix incorrect return value in copy_file_range
2019-04-11 15:23:48 -04:00
nfs42xdr.c
NFSv4.2: Add client support for the generic 'layouterror' RPC call
2019-03-01 16:20:16 -05:00
nfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfsroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfstrace.c
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
nfstrace.h
NFS: Record task, client ID, and XID in xdr_status trace points
2019-07-09 10:30:25 -04:00
pagelist.c
NFS: Clean up writeback code
2019-07-06 14:54:52 -04:00
pnfs_dev.c
NFS/flexfiles: Speed up read failover when DSes are down
2019-03-01 22:37:38 -05:00
pnfs_nfs.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
pnfs.c
NFSv4: Report the error from nfs4_select_rw_stateid()
2019-08-04 22:35:40 -04:00
pnfs.h
NFS: Add a helper to return a pointer to the open context of a struct nfs_page
2019-04-25 14:18:15 -04:00
proc.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
read.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
super.c
NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
2019-08-04 22:35:41 -04:00
symlink.c
nfs: pass the correct prototype to read_cache_page
2019-05-09 16:26:57 -04:00
sysctl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysfs.c
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
sysfs.h
NFS: Add sysfs support for per-container identifier
2019-07-06 14:54:49 -04:00
unlink.c
fsnotify: move fsnotify_nameremove() hook out of d_delete()
2019-06-20 14:47:44 +02:00
write.c
NFS: Clean up writeback code
2019-07-06 14:54:52 -04:00