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Dan Carpenter 634fae934e nfsd: fix double fget() bug in __write_ports_addfd() 
[ Upstream commit c034203b6a ]

The bug here is that you cannot rely on getting the same socket
from multiple calls to fget() because userspace can influence
that.  This is a kind of double fetch bug.

The fix is to delete the svc_alien_sock() function and instead do
the checking inside the svc_addsock() function.

Fixes: 3064639423 ("nfsd: check passed socket's net matches NFSd superblock's one")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: NeilBrown <neilb@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-06-09 10:47:54 +02:00
..
9p
9P FS: Fix wild-memory-access write in v9fs_get_acl
2023-03-27 00:34:16 +00:00
adfs
fs: port ->setattr() to pass mnt_idmap
2023-01-19 09:24:02 +01:00
affs
Merge tag 'for-6.3/dio-2023-02-16' of git://git.kernel.dk/linux
2023-02-20 14:10:36 -08:00
afs
rxrpc: Fix timeout of a call that hasn't yet been granted a channel
2023-05-17 14:01:42 +02:00
autofs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
befs
befs: Convert befs_symlink_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
bfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
btrfs
btrfs: use nofs when cleaning up aborted transactions
2023-05-30 14:17:22 +01:00
cachefiles
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ceph
ceph: force updating the msg pointer in non-split case
2023-05-24 17:30:22 +01:00
cifs
cifs: mapchars mount option ignored
2023-05-30 14:17:25 +01:00
coda
Merge tag 'hardening-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2023-02-21 11:07:23 -08:00
configfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-02 21:54:23 -08:00
crypto
fscrypt: check for NULL keyring in fscrypt_put_master_key_activeref()
2023-03-18 21:08:03 -07:00
debugfs
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
devpts
…
dlm
fs: dlm: fix DLM_IFL_CB_PENDING gets overwritten
2023-05-11 23:16:53 +09:00
ecryptfs
Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2023-02-21 18:10:50 -08:00
efivarfs
Merge tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
2023-02-23 14:41:48 -08:00
efs
…
erofs
erofs: fix potential overflow calculating xattr_isize
2023-05-11 23:16:57 +09:00
exfat
Merge tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
2023-03-01 08:42:27 -08:00
exportfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ext2
ext2: Check block size validity during mount
2023-05-24 17:30:04 +01:00
ext4
ext4: Fix best extent lstart adjustment logic in ext4_mb_new_inode_pa()
2023-05-24 17:30:05 +01:00
f2fs
f2fs: relax sanity check if checkpoint is corrupted
2023-05-24 17:30:07 +01:00
fat
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
freevxfs
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
Merge tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2023-02-27 09:53:58 -08:00
gfs2
gfs2: Fix inode height consistency check
2023-05-24 17:30:05 +01:00
hfs
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
hfsplus
fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()
2023-05-24 17:30:00 +01:00
hostfs
Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
2023-03-01 09:13:00 -08:00
hpfs
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
hugetlbfs
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
iomap
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
isofs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
jbd2
jdb2: Don't refuse invalidation of already invalidated buffers
2023-05-11 23:17:18 +09:00
jffs2
Merge tag 'ubifs-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
2023-03-01 09:06:51 -08:00
jfs
Merge tag 'jfs-6.3' of https://github.com/kleikamp/linux-shaggy
2023-03-01 08:47:19 -08:00
kernfs
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
ksmbd
ksmbd: fix global-out-of-bounds in smb2_find_context_vals
2023-05-24 17:30:21 +01:00
lockd
lockd: set file_lock start and end when decoding nlm4 testargs
2023-03-14 14:00:55 -04:00
minix
Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:01:15 -08:00
netfs
netfs: Fix netfs_extract_iter_to_sg() for ITER_UBUF/IOVEC
2023-04-12 09:26:36 -07:00
nfs
NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease
2023-05-11 23:17:32 +09:00
nfs_common
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
nfsd
nfsd: fix double fget() bug in __write_ports_addfd()
2023-06-09 10:47:54 +02:00
nilfs2
nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
2023-05-24 17:30:24 +01:00
nls
…
notify
inotify: Avoid reporting event with invalid wd
2023-05-17 14:01:55 +02:00
ntfs
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
ntfs3
fs/ntfs3: Fix a possible null-pointer dereference in ni_clear()
2023-05-24 17:30:11 +01:00
ocfs2
ocfs2: Switch to security_inode_init_security()
2023-05-30 14:17:20 +01:00
omfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
openpromfs
…
orangefs
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
overlayfs
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
proc
sysctl: clarify register_sysctl_init() base directory order
2023-05-17 14:01:56 +02:00
pstore
pstore: Revert pmsg_lock back to a normal mutex
2023-05-11 23:17:23 +09:00
qnx4
…
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
Merge tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
2023-02-21 10:45:51 -08:00
ramfs
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
reiserfs
reiserfs: Add security prefix to xattr name in reiserfs_security_write()
2023-05-11 23:16:50 +09:00
romfs
mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping()
2023-01-18 17:12:56 -08:00
smbfs_common
smb3: Replace smb2pdu 1-element arrays with flex-arrays
2023-02-20 17:25:43 -06:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
…
sysv
Merge branch 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:03:26 -08:00
tracefs
fs: port ->mkdir() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
ubifs
ubifs: Fix memory leak in do_rename
2023-05-11 23:16:53 +09:00
udf
udf: Warn if block mapping is done for in-ICB files
2023-03-06 16:38:25 +01:00
ufs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
unicode
…
vboxsf
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
verity
fsverity: explicitly check for buffer overflow in build_merkle_tree()
2023-05-01 08:32:25 +09:00
xfs
xfs: fix livelock in delayed allocation at ENOSPC
2023-05-30 14:17:22 +01:00
zonefs
zonefs: Do not propagate iomap_dio_rw() ENOTBLK error to user space
2023-03-30 20:56:02 +09:00
aio.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2023-02-10 15:34:48 -08:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
bad_inode.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
binfmt_elf_test.c
…
binfmt_elf.c
Merge tag 'v6.2-rc6' into sched/core, to pick up fixes
2023-01-31 15:01:20 +01:00
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-02 13:57:04 -08:00
binfmt_script.c
…
buffer.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
…
coredump.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax: force clear dirty mark if CoW
2023-04-05 18:06:23 -07:00
dcache.c
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
direct-io.c
fs: move sb_init_dio_done_wq out of direct-io.c
2023-01-26 10:30:56 -07:00
drop_caches.c
…
eventfd.c
eventfd: provide a eventfd_signal_mask() helper
2022-11-22 06:07:55 -07:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2022-11-21 07:45:29 -07:00
exec.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
fcntl.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
file.c
fs: prevent out-of-bounds array speculation when closing a file descriptor
2023-03-09 22:46:21 -05:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2022-12-01 10:46:54 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
writeback: fix call of incorrect macro
2023-05-17 14:01:40 +02:00
fsopen.c
…
init.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
inode.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
internal.h
Merge tag 'for-6.3/dio-2023-02-16' of git://git.kernel.dk/linux
2023-02-20 14:10:36 -08:00
ioctl.c
fs: port inode_owner_or_capable() to mnt_idmap
2023-01-19 09:24:29 +01:00
Kconfig
fs: build the legacy direct I/O code conditionally
2023-01-26 10:30:56 -07:00
Kconfig.binfmt
Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
locks.c
filelocks: use mount idmapping for setlease permission check
2023-03-09 22:36:12 +01:00
Makefile
fs: fix sysctls.c built
2023-05-11 23:16:49 +09:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mnt_idmapping.c
fs: move mnt_idmap
2023-01-19 09:24:30 +01:00
mount.h
…
mpage.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
namei.c
Merge tag 'nfsd-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2023-02-22 14:21:40 -08:00
namespace.c
fs: drop peer group ids under namespace lock
2023-03-31 12:13:37 +02:00
no-block.c
…
nsfs.c
nsfs: repair kernel-doc for ns_match()
2023-01-11 15:47:40 -05:00
open.c
open: return EINVAL for O_DIRECTORY | O_CREAT
2023-05-24 17:30:00 +01:00
pipe.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
pnode.c
pnode: terminate at peers of source
2022-12-21 14:45:25 +01:00
pnode.h
…
posix_acl.c
Merge tag 'fs.acl.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 12:14:33 -08:00
proc_namespace.c
…
read_write.c
Merge tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-12-12 18:29:54 -08:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap
2023-01-19 09:24:29 +01:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
signalfd.c
…
splice.c
splice: Remove redundant assignment to ret
2023-03-09 10:10:31 +01:00
stack.c
…
stat.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
statfs.c
statfs: enforce statfs[64] structure initialization
2023-05-24 17:30:22 +01:00
super.c
fscrypt: destroy keyring after security_sb_delete()
2023-03-14 10:30:30 -07:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
Revert "userfaultfd: don't fail on unrecognized features"
2023-04-16 10:41:26 -07:00
utimes.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
xattr.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00