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Sachin Prabhu 6c106b55eb Handle mismatched open calls 
commit 38bd49064a1ecb67baad33598e3d824448ab11ec upstream.

A signal can interrupt a SendReceive call which result in incoming
responses to the call being ignored. This is a problem for calls such as
open which results in the successful response being ignored. This
results in an open file resource on the server.

The patch looks into responses which were cancelled after being sent and
in case of successful open closes the open fids.

For this patch, the check is only done in SendReceive2()

RH-bz: 1403319

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-08 07:46:01 +02:00
..
9p
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
adfs
fs/adfs: remove unneeded cast
2015-06-30 19:44:57 -07:00
affs
affs: fix remount failure when there are no options changed
2016-06-07 18:14:32 -07:00
afs
…
autofs4
autofs: use dentry flags to block walks during expire
2016-09-30 10:18:37 +02:00
befs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
bfs
…
btrfs
btrfs: fix error handling when run_delayed_extent_op fails
2017-01-19 20:17:21 +01:00
cachefiles
FS-Cache: Add missing initialization of ret in cachefiles_write_page()
2015-11-16 20:38:43 -05:00
ceph
ceph: remove req from unsafe list when unregistering it
2017-03-15 09:57:13 +08:00
cifs
Handle mismatched open calls
2017-05-08 07:46:01 +02:00
coda
fs/coda: fix readlink buffer overflow
2015-09-10 13:29:01 -07:00
configfs
configfs: allow dynamic group creation
2015-11-20 16:17:32 -08:00
cramfs
…
debugfs
debugfs: Make automount point inodes permanently empty
2016-05-04 14:48:41 -07:00
devpts
devpts: clean up interface to pty drivers
2016-08-16 09:30:49 +02:00
dlm
dlm: free workqueues after the connections
2016-10-22 12:26:56 +02:00
ecryptfs
ecryptfs: fix handling of directory opening
2016-09-15 08:27:47 +02:00
efivarfs
efi: Make efivarfs entries immutable by default
2016-03-03 15:07:09 -08:00
efs
fs/efs: femove unneeded cast
2015-06-25 17:00:42 -07:00
exofs
osd fs: __r4w_get_page rely on PageUptodate for uptodate
2015-12-12 10:15:34 -08:00
exportfs
…
ext2
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
ext4
ext4: check if in-inode xattr is corrupted in ext4_expand_extra_isize_ea()
2017-05-02 21:19:48 -07:00
f2fs
f2fs: do more integrity verification for superblock
2017-05-02 21:19:47 -07:00
fat
fat: fix using uninitialized fields of fat_inode/fsinfo_inode
2017-03-15 09:57:15 +08:00
freevxfs
freevxfs: Grammar s/an negative/a negative/
2015-08-07 13:59:24 +02:00
fscache
FS-Cache: Handle a write to the page immediately beyond the EOF marker
2015-11-11 02:11:02 -05:00
fuse
fuse: add missing FR_FORCE
2017-03-12 06:37:28 +01:00
gfs2
gfs2: avoid uninitialized variable warning
2017-04-30 05:49:28 +02:00
hfs
hfs: fix B-tree corruption after insertion at position 0
2015-09-10 13:29:01 -07:00
hfsplus
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
hostfs
hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
2016-09-30 10:18:39 +02:00
hpfs
hpfs: implement the show_options method
2016-06-01 12:15:54 -07:00
hugetlbfs
fs/hugetlbfs/inode.c: fix bugs in hugetlb_vmtruncate_list()
2016-02-25 12:01:22 -08:00
isofs
isofs: Do not return EACCES for unknown filesystems
2016-10-28 03:01:34 -04:00
jbd2
jbd2: don't leak modified metadata buffers on an aborted journal
2017-03-12 06:37:26 +01:00
jffs2
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
jfs
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
kernfs
kernfs: don't depend on d_find_any_alias() when generating notifications
2016-09-24 10:07:36 +02:00
lockd
Mainly smaller bugfixes and cleanup. We're still finding some bugs from
2015-11-11 20:11:28 -08:00
logfs
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
ncpfs
ncpfs: fix a braino in OOM handling in ncp_fill_cache()
2016-03-16 08:42:59 -07:00
nfs
NFSv4: fix getacl ERANGE for some ACL buffer sizes
2017-03-12 06:37:30 +01:00
nfs_common
lockd: NLM grace period shouldn't block NFSv4 opens
2015-08-13 10:22:06 -04:00
nfsd
nfsd: check for oversized NFSv2/v3 arguments
2017-05-02 21:19:56 -07:00
nilfs2
fs/nilfs2: fix potential underflow in call to crc32_le
2016-08-10 11:49:25 +02:00
nls
…
notify
fanotify: fix list corruption in fanotify_get_response()
2016-09-30 10:18:37 +02:00
ntfs
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
ocfs2
ocfs2: fix crash caused by stale lvb with fsdlm plugin
2017-01-19 20:17:19 +01:00
omfs
…
openpromfs
…
overlayfs
ovl: fsync after copy-up
2016-11-10 16:36:34 +01:00
proc
thp: fix MADV_DONTNEED vs clear soft dirty race
2017-04-21 09:30:04 +02:00
pstore
pstore/ram: Use memcpy_fromio() to save old buffer
2016-10-28 03:01:27 -04:00
qnx4
…
qnx6
pagemap.h: move dir_pages() over there
2015-06-23 18:02:00 -04:00
quota
quota: Fix possible GPF due to uninitialised pointers
2016-04-12 09:08:56 -07:00
ramfs
mm, fs: obey gfp_mapping for add_to_page_cache()
2015-10-16 11:42:28 -07:00
reiserfs
posix_acl: Clear SGID bit when setting file permissions
2016-10-31 04:13:58 -06:00
romfs
…
squashfs
squashfs: xattr simplifications
2015-11-13 20:34:33 -05:00
sysfs
sysfs: be careful of error returns from ops->show()
2017-04-12 12:38:33 +02:00
sysv
fix sysvfs symlinks
2015-11-23 21:11:08 -05:00
tracefs
tracefs: Fix refcount imbalance in start_creating()
2015-11-04 22:13:45 -05:00
ubifs
ubifs: Fix journal replay wrt. xattr nodes
2017-01-26 08:23:48 +01:00
udf
udf: Check output buffer length when converting name to CS0
2016-02-25 12:01:18 -08:00
ufs
fix ufs write vs readpage race when writing into a hole
2015-09-09 10:43:12 -07:00
xfs
xfs: clear _XBF_PAGES from buffers when readahead page
2017-03-30 09:35:19 +02:00
aio.c
aio: mark AIO pseudo-fs noexec
2016-10-07 15:23:47 +02:00
anon_inodes.c
…
attr.c
vfs: move permission checking into notify_change() for utimes(NULL)
2016-10-22 12:26:56 +02:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
libnvdimm for 4.4:
2015-11-10 12:07:22 -08:00
binfmt_elf.c
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-11-11 09:45:24 -08:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
…
binfmt_script.c
…
block_dev.c
block: protect iterate_bdevs() against concurrent close
2017-01-09 08:07:47 +01:00
buffer.c
vfs: remove unused wrapper block_page_mkwrite()
2015-11-11 02:19:33 -05:00
char_dev.c
fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region
2015-08-05 13:49:35 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
i2c-dev: Fix typo in ioctl name reference
2015-10-23 23:26:43 +02:00
compat.c
…
coredump.c
coredump: fix unfreezable coredumping task
2016-11-18 10:48:34 +01:00
dax.c
dax: disable pmd mappings
2015-11-16 23:54:45 -08:00
dcache.c
mnt: Protect the mountpoint hashtable with mount_lock
2017-01-19 20:17:21 +01:00
dcookies.c
…
direct-io.c
block: fix use-after-free in dio_bio_complete
2016-03-03 15:07:28 -08:00
drop_caches.c
inode: convert inode_sb_list_lock to per-sb
2015-08-17 18:39:46 -04:00
eventfd.c
…
eventpoll.c
…
exec.c
exec: Ensure mm->user_ns contains the execed files
2017-01-06 11:16:14 +01:00
fcntl.c
…
fhandle.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-04-12 09:08:58 -07:00
file_table.c
fs, file table: reinit files_stat.max_files after deferred memory initialisation
2015-08-07 04:39:40 +03:00
file.c
vfs: clear remainder of 'full_fds_bits' in dup_fd()
2015-11-05 23:05:32 -08:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
writeback, cgroup: fix use of the wrong bdi_writeback which mismatches the inode
2016-04-12 09:09:04 -07:00
inode.c
vfs: fix deadlock in file_remove_privs() on overlayfs
2016-08-10 11:49:30 +02:00
internal.h
inode: rename i_wb_list to i_io_list
2015-08-17 23:38:10 -04:00
ioctl.c
…
Kconfig
dax: disable pmd mappings
2015-11-16 23:54:45 -08:00
Kconfig.binfmt
…
libfs.c
fs: Set the size of empty dirs to 0.
2015-08-12 15:28:45 -05:00
locks.c
locks: use file_inode()
2016-08-10 11:49:27 +02:00
Makefile
ext4: promote ext4 over ext2 in the default probe order
2015-10-15 10:33:21 -04:00
mbcache.c
…
mount.h
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
mpage.c
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
namei.c
fs: Check for invalid i_uid in may_follow_link()
2016-09-15 08:27:49 +02:00
namespace.c
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
no-block.c
…
nsfs.c
fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void
2015-09-11 15:21:34 -07:00
open.c
vfs: add vfs_select_inode() helper
2016-05-18 17:06:48 -07:00
pipe.c
pipe: limit the per-user amount of pages allocated in pipes
2016-06-07 18:14:35 -07:00
pnode.c
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
pnode.h
mnt: Add a per mount namespace limit on the number of mounts
2017-04-30 05:49:28 +02:00
posix_acl.c
tmpfs: clear S_ISGID when setting posix ACLs
2017-01-26 08:23:47 +01:00
proc_namespace.c
vfs: show_vfsstat: do not ignore errors from show_devname method
2016-04-12 09:08:55 -07:00
read_write.c
…
readdir.c
…
select.c
…
seq_file.c
fs/seq_file: fix out-of-bounds read
2016-09-07 08:32:43 +02:00
signalfd.c
signalfd: fix information leak in signalfd_copyinfo
2015-08-07 04:39:40 +03:00
splice.c
vfs: fix uninitialized flags in splice_to_pipe()
2017-02-23 17:43:09 +01:00
stack.c
…
stat.c
fs/stat.c: remove unnecessary new_valid_dev() check
2015-11-09 15:11:24 -08:00
statfs.c
…
super.c
fs/super.c: fix race between freeze_super() and thaw_super()
2016-10-28 03:01:32 -04:00
sync.c
fs/sync.c: make sync_file_range(2) use WB_SYNC_NONE writeback
2015-11-06 17:50:42 -08:00
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:46:01 +02:00
userfaultfd.c
userfaultfd: don't block on the last VM updates at exit time
2016-03-16 08:43:01 -07:00
utimes.c
vfs: move permission checking into notify_change() for utimes(NULL)
2016-10-22 12:26:56 +02:00
xattr.c
9p: xattr simplifications
2015-11-13 20:34:33 -05:00