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2a9278ac9c
linux/fs
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Zhang Xiaoxu 71a20b798d cifs: Fix the target file was deleted when rename failed. 
commit 9ffad9263b upstream.

When xfstest generic/035, we found the target file was deleted
if the rename return -EACESS.

In cifs_rename2, we unlink the positive target dentry if rename
failed with EACESS or EEXIST, even if the target dentry is positived
before rename. Then the existing file was deleted.

We should just delete the target file which created during the
rename.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-09 09:37:55 +02:00
..
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
adfs Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 11:33:22 -07:00
affs affs: fix a memory leak in affs_remount 2020-01-17 19:48:50 +01:00
afs afs: Fix storage of cell names 2020-06-30 15:37:02 -04:00
autofs autofs: fix a leak in autofs_expire_indirect() 2019-10-25 00:03:11 -04:00
befs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
bfs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
btrfs btrfs: fix failure of RWF_NOWAIT write into prealloc extent beyond eof 2020-06-30 15:37:08 -04:00
cachefiles cachefiles: Fix race between read_waiter and read_copier involving op->to_do 2020-06-03 08:21:11 +02:00
ceph ceph: don't return -ESTALE if there's still an open file 2020-06-24 17:50:37 +02:00
cifs cifs: Fix the target file was deleted when rename failed. 2020-07-09 09:37:55 +02:00
coda y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
configfs configfs: fix config_item refcnt leak in configfs_rmdir() 2020-05-27 17:46:30 +02:00
cramfs cramfs: fix usage on non-MTD device 2019-11-23 21:44:49 -05:00
crypto fscrypt: don't evict dirty inodes after removing key 2020-03-18 07:17:53 +01:00
debugfs debugfs: Check module state before warning in {full/open}_proxy_open() 2020-04-17 10:50:02 +02:00
devpts devpts_pty_kill(): don't bother with d_delete() 2019-09-03 09:30:56 -04:00
dlm dlm: remove BUG() before panic() 2020-06-24 17:50:26 +02:00
ecryptfs ecryptfs: replace BUG_ON with error handling code 2020-02-28 17:22:26 +01:00
efivarfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
efs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
erofs erofs: fix partially uninitialized misuse in z_erofs_onlinepage_fixup 2020-06-30 15:37:07 -04:00
exportfs exportfs_decode_fh(): negative pinned may become positive without the parent locked 2019-11-10 11:56:05 -05:00
ext2 ext2: fix debug reference to ext2_xattr_cache 2020-04-23 10:36:41 +02:00
ext4 ext4: avoid race conditions when remounting with options that change dax 2020-06-24 17:50:48 +02:00
f2fs f2fs: avoid utf8_strncasecmp() with unstable name 2020-06-24 17:50:50 +02:00
fat fat: don't allow to mount if the FAT length == 0 2020-06-17 16:40:36 +02:00
freevxfs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
fscache 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
fuse fuse: copy_file_range should truncate cache 2020-06-24 17:50:30 +02:00
gfs2 gfs2: fix use-after-free on transaction ail lists 2020-06-24 17:50:40 +02:00
hfs
hfsplus hfsplus: fix crash and filesystem corruption when deleting files 2020-04-17 10:50:22 +02:00
hostfs
hpfs fs: hpfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
hugetlbfs mm/hugetlbfs: fix for_each_hstate() loop in init_hugetlbfs_fs() 2020-01-04 19:19:19 +01:00
iomap iomap: fix return value of iomap_dio_bio_actor on 32bit systems 2020-01-04 19:17:31 +01:00
isofs y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
jbd2 jbd2: clean __jbd2_journal_abort_hard() and __journal_abort_soft() 2020-06-24 17:50:48 +02:00
jffs2 Revert "jffs2: Fix possible null-pointer dereferences in jffs2_add_frag_to_fragtree()" 2019-12-04 22:31:06 +01:00
jfs y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
kernfs kernfs: fix ino wrap-around detection 2019-12-13 08:42:53 +01:00
lockd
minix fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
nfs NFSv4 fix CLOSE not waiting for direct IO compeletion 2020-06-30 15:37:12 -04:00
nfs_common
nfsd nfsd: apply umask on fs without ACL support 2020-07-09 09:37:55 +02:00
nilfs2 nilfs2: fix null pointer dereference at nilfs_segctor_do_construct() 2020-06-17 16:40:29 +02:00
nls
notify fanotify: fix ignore mask logic for events on child and on dir 2020-06-17 16:40:24 +02:00
ntfs utimes: Clamp the timestamps in notify_change() 2020-02-11 04:35:12 -08:00
ocfs2 ocfs2: fix panic on nfs server over ocfs2 2020-06-30 15:37:09 -04:00
omfs fs: omfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
openpromfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
orangefs help_next should increase position index 2020-02-24 08:37:02 +01:00
overlayfs ovl: initialize error in ovl_copy_xattr 2020-06-17 16:40:32 +02:00
proc proc: Use new_inode not new_inode_pseudo 2020-06-17 16:40:33 +02:00
pstore pstore: pstore_ftrace_seq_next should increase position index 2020-04-17 10:50:12 +02:00
qnx4 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
qnx6 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
quota fs: avoid softlockups in s_inodes iterators 2020-01-12 12:21:37 +01:00
ramfs vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API 2019-09-12 21:05:34 -04:00
reiserfs reiserfs: prevent NULL pointer dereference in reiserfs_insert_item() 2020-02-24 08:37:00 +01:00
romfs Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-09-19 10:06:57 -07:00
squashfs Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-09-19 10:06:57 -07:00
sysfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
sysv fs: sysv: Initialize filesystem timestamp ranges 2019-08-30 07:27:18 -07:00
tracefs tracing: Do not create tracefs files if tracefs lockdown is in effect 2019-10-12 20:49:07 -04:00
ubifs ubifs: remove broken lazytime support 2020-05-27 17:46:14 +02:00
udf udf: Fix free space reporting for metadata and virtual partitions 2020-02-24 08:36:44 +01:00
ufs y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
unicode unicode: make array 'token' static const, makes object smaller 2019-09-17 11:48:24 -04:00
verity fs-verity: support builtin file signatures 2019-08-12 19:33:50 -07:00
xfs xfs: add agf freeblocks verify in xfs_agf_verify 2020-06-30 15:37:13 -04:00
aio.c aio: fix async fsync creds 2020-06-17 16:40:24 +02:00
anon_inodes.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
attr.c utimes: Clamp the timestamps in notify_change() 2020-02-11 04:35:12 -08:00
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() 2020-06-03 08:21:27 +02:00
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: remove set but not used variable 'inode' 2019-07-16 19:23:22 -07:00
binfmt_misc.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
binfmt_script.c
block_dev.c block: Fix use-after-free in blkdev_get() 2020-06-24 17:50:47 +02:00
buffer.c ext4: use non-movable memory for superblock readahead 2020-04-23 10:36:15 +02:00
char_dev.c chardev: Avoid potential use-after-free in 'chrdev_open()' 2020-01-14 20:08:18 +01:00
compat_binfmt_elf.c
compat_ioctl.c fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP 2020-01-09 10:20:05 +01:00
compat.c
coredump.c coredump: fix crash when umh is disabled 2020-05-14 07:58:27 +02:00
d_path.c [PATCH] fix d_absolute_path() interplay with fsmount() 2019-08-30 19:31:09 -04:00
dax.c dax: pass NOWAIT flag to iomap_apply 2020-03-05 16:43:36 +01:00
dcache.c Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-20 09:15:51 -07:00
dcookies.c
direct-io.c fs/direct-io.c: fix kernel-doc warning 2019-10-14 15:04:01 -07:00
drop_caches.c fs: avoid softlockups in s_inodes iterators 2020-01-12 12:21:37 +01:00
eventfd.c eventfd: track eventfd_signal() recursion depth 2020-02-11 04:35:37 -08:00
eventpoll.c eventpoll: fix missing wakeup for ovflist in ep_poll_callback 2020-05-14 07:58:26 +02:00
exec.c exec: Move would_dump into flush_old_exec 2020-05-20 08:20:34 +02:00
fcntl.c
fhandle.c fs/handle.c - fix up kerneldoc 2019-08-07 21:51:47 -04:00
file_table.c vfs: Export flush_delayed_fput for use by knfsd. 2019-08-19 11:00:39 -04:00
file.c fix multiplication overflow in copy_fdtable() 2020-05-27 17:46:12 +02:00
filesystems.c fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once() 2020-04-17 10:50:21 +02:00
fs_context.c vfs: subtype handling moved to fuse 2019-09-06 21:28:49 +02:00
fs_parser.c vfs: Make fs_parse() handle fs_param_is_fd-type params better 2019-09-12 21:06:14 -04:00
fs_pin.c switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
fs_struct.c
fs_types.c
fs-writeback.c memcg: fix a crash in wb_workfn when a device disappears 2020-02-11 04:35:11 -08:00
fsopen.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
inode.c futex: Fix inode life-time issue 2020-03-25 08:25:58 +01:00
internal.h fs: move guard_bio_eod() after bio_set_op_attrs 2020-01-17 19:48:21 +01:00
io_uring.c io_uring: make sure async workqueue is canceled on exit 2020-07-09 09:37:49 +02:00
ioctl.c compat_ioctl: add compat_ptr_ioctl() 2019-12-17 19:55:30 +01:00
Kconfig fs-verity for 5.4 2019-09-18 16:59:14 -07:00
Kconfig.binfmt
libfs.c libfs: fix infoleak in simple_attr_read() 2020-04-01 11:02:17 +02:00
locks.c locks: reinstate locks_delete_block optimization 2020-03-25 08:25:41 +01:00
Makefile fs-verity for 5.4 2019-09-18 16:59:14 -07:00
mbcache.c
mount.h switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
mpage.c fs: move guard_bio_eod() after bio_set_op_attrs 2020-01-17 19:48:21 +01:00
namei.c namei: only return -ECHILD from follow_dotdot_rcu() 2020-03-05 16:43:48 +01:00
namespace.c fs/namespace.c: fix use-after-free of mount in mnt_warn_timestamp_expiry() 2019-10-16 23:15:09 -04:00
no-block.c
nsfs.c
open.c cifs_atomic_open(): fix double-put on late allocation failure 2020-03-18 07:17:51 +01:00
pipe.c
pnode.c propagate_one(): mnt_set_mountpoint() needs mount_lock 2020-05-02 08:48:44 +02:00
pnode.h
posix_acl.c
proc_namespace.c vfs: subtype handling moved to fuse 2019-09-06 21:28:49 +02:00
read_write.c fs: allow deduplication of eof block into the end of the destination file 2020-02-11 04:35:23 -08:00
readdir.c readdir: be more conservative with directory entry names 2020-01-29 16:45:31 +01:00
select.c fs/select.c: use struct_size() in kmalloc() 2019-07-16 19:23:25 -07:00
seq_file.c seq_file: fix problem when seeking mid-record 2019-08-13 16:06:52 -07:00
signalfd.c
splice.c splice: only read in as much information as there is pipe buffer space 2019-12-17 19:56:52 +01:00
stack.c
stat.c
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-03 14:21:35 -07:00
super.c Fix use after free in get_tree_bdev() 2020-05-06 08:15:15 +02:00
sync.c
timerfd.c timerfd: Prepare for PREEMPT_RT 2019-08-01 20:51:23 +02:00
userfaultfd.c userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK 2020-01-04 19:18:32 +01:00
utimes.c utimes: Clamp the timestamps in notify_change() 2020-02-11 04:35:12 -08:00
xattr.c