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Jan Kara 8365105f1e udf: Provide saner default for invalid uid / gid 
[ Upstream commit 116e5258e4 ]

Currently when UDF filesystem is recorded without uid / gid (ids are set
to -1), we will assign INVALID_[UG]ID to vfs inode unless user uses uid=
and gid= mount options. In such case filesystem could not be modified in
any way as VFS refuses to modify files with invalid ids (even by root).
This is confusing to users and not very useful default since such media
mode is generally used for removable media. Use overflow[ug]id instead
so that at least root can modify the filesystem.

Reported-by: Steve Kenton <skenton@ou.edu>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-30 07:50:49 +02:00
..
9p fs/9p: Compare qid.path in v9fs_test_inode 2017-11-30 08:39:05 +00:00
adfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
affs affs_lookup(): close a race with affs_remove_link() 2018-05-30 07:50:16 +02:00
afs afs: Fix abort on signal while waiting for call completion 2017-12-20 10:07:25 +01:00
autofs4 autofs: mount point create should honour passed in mode 2018-04-24 09:34:18 +02:00
befs befs fixes for 4.9-rc1 2016-10-15 12:09:13 -07:00
bfs Merge remote-tracking branch 'ovl/rename2' into for-linus 2016-10-10 23:02:51 -04:00
btrfs btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers 2018-05-30 07:50:42 +02:00
cachefiles Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
ceph ceph: fix dentry leak when failing to init debugfs 2018-05-30 07:50:32 +02:00
cifs cifs: silence compiler warnings showing up with gcc-8.0.0 2018-05-30 07:50:25 +02:00
coda coda: fix 'kernel memory exposure attempt' in fsync 2017-11-24 08:33:42 +01:00
configfs configfs: Fix race between create_link and configfs_rmdir 2017-06-24 07:11:12 +02:00
cramfs
crypto fscrypt: use ENOTDIR when setting encryption policy on nondirectory 2017-11-30 08:39:11 +00:00
debugfs dentry name snapshots 2017-08-06 18:59:43 -07:00
devpts Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
dlm dlm: avoid double-free on error path in dlm_device_{register,unregister} 2017-09-09 17:39:40 +02:00
ecryptfs do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
efivarfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
efs
exofs fs: exofs: print a hex number after a 0x prefix 2016-10-27 18:43:43 -07:00
exportfs exportfs: be careful to only return expected errors. 2016-10-06 09:07:44 -04:00
ext2 do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
ext4 do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
f2fs f2fs: fix to check extent cache in f2fs_drop_extent_tree 2018-05-30 07:50:46 +02:00
fat fat: fix using uninitialized fields of fat_inode/fsinfo_inode 2017-03-15 10:02:52 +08:00
freevxfs
fscache fscache: Fix hanging wait on page discarded by writeback 2018-05-30 07:50:41 +02:00
fuse fuse: fix READDIRPLUS skipping an entry 2017-11-02 09:49:13 +01:00
gfs2 gfs2: Fix fallocate chunk size 2018-05-30 07:50:47 +02:00
hfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
hfsplus hfsplus: stop workqueue when fill_super() failed 2018-05-25 16:12:59 +02:00
hostfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
hpfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
hugetlbfs hugetlbfs: initialize shared policy as part of inode allocation 2017-10-08 10:26:09 +02:00
isofs isofs: fix timestamps beyond 2027 2017-11-30 08:39:04 +00:00
jbd2 ext4: set h_journal if there is a failure starting a reserved handle 2018-05-01 15:13:03 -07:00
jffs2 jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path 2018-05-30 07:50:22 +02:00
jfs do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
kernfs kernfs: fix regression in kernfs_fop_write caused by wrong type 2018-02-17 13:21:15 +01:00
lockd lockd: lost rollback of set_grace_period() in lockd_down_net() 2018-05-19 10:27:00 +02:00
logfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
minix Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
ncpfs staging: ncpfs: memory corruption in ncp_read_kernel() 2018-03-28 18:39:23 +02:00
nfs nfs: Do not convert nfs_idmap_cache_timeout to jiffies 2018-05-30 07:50:20 +02:00
nfs_common lockd: fix "list_add double add" caused by legacy signal interface 2018-02-03 17:05:38 +01:00
nfsd nfsd: remove blocked locks on client teardown 2018-03-28 18:39:21 +02:00
nilfs2 do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
nls
notify fanotify: fix logic of events on child 2018-04-24 09:34:18 +02:00
ntfs fs: remove the never implemented aio_fsync file operation 2016-10-30 13:09:42 -04:00
ocfs2 ocfs2/dlm: don't handle migrate lockres if already in shutdown 2018-05-30 07:50:41 +02:00
omfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
openpromfs
orangefs do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
overlayfs ovl: filter trusted xattr for non-admin 2018-04-13 19:48:12 +02:00
proc fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table 2018-05-30 07:50:40 +02:00
pstore pstore: Use dynamic spinlock initializer 2017-08-06 18:59:43 -07:00
qnx4
qnx6
quota quota: Check for register_shrinker() failure. 2018-02-03 17:05:39 +01:00
ramfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
reiserfs do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
romfs romfs: use different way to generate fsid for BLOCK or MTD 2017-06-17 06:41:56 +02:00
squashfs vfs: Remove {get,set,remove}xattr inode operations 2016-10-07 21:48:36 -04:00
sysfs sysfs: be careful of error returns from ops->show() 2017-04-12 12:41:11 +02:00
sysv Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
tracefs
ubifs ubifs: Check ubifs_wbuf_sync() return code 2018-04-24 09:34:08 +02:00
udf udf: Provide saner default for invalid uid / gid 2018-05-30 07:50:49 +02:00
ufs do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:50:16 +02:00
xfs Force log to disk before reading the AGF during a fstrim 2018-05-30 07:50:40 +02:00
aio.c aio: fix io_destroy(2) vs. lookup_ioctx() race 2018-05-30 07:50:16 +02:00
anon_inodes.c
attr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
bad_inode.c bad_inode: add missing i_op initializers 2017-01-09 08:32:24 +01:00
binfmt_aout.c
binfmt_elf.c binfmt_elf: use ELF_ET_DYN_BASE only for PIE 2017-07-21 07:42:21 +02:00
binfmt_elf_fdpic.c
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c fs/mpage.c: fix mpage_writepage() for pages with buffers 2017-10-18 09:35:39 +02:00
buffer.c fs: add i_blocksize() 2017-06-14 15:06:00 +02:00
char_dev.c
compat.c
compat_binfmt_elf.c binfmt_elf: compat: avoid unused function warning 2018-02-25 11:05:55 +01:00
compat_ioctl.c fs: compat: Remove warning from COMPATIBLE_IOCTL 2018-04-08 12:12:44 +02:00
coredump.c coredump: Ensure proper size of sparse core files 2017-07-05 14:40:26 +02:00
dax.c fs/dax.c: fix inefficiency in dax_writeback_mapping_range() 2018-02-28 10:18:33 +01:00
dcache.c fs: dcache: Use READ_ONCE when accessing i_dir_seq 2018-05-30 07:50:30 +02:00
dcookies.c
direct-io.c direct-io: Prevent NULL pointer access in submit_page_section 2017-10-18 09:35:41 +02:00
drop_caches.c
eventfd.c
eventpoll.c epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove() 2017-09-07 08:35:41 +02:00
exec.c exec: Limit arg stack to at most 75% of _STK_LIM 2017-07-21 07:42:22 +02:00
fcntl.c fs/fcntl: f_setown, avoid undefined behaviour 2018-01-31 12:55:52 +01:00
fhandle.c
file.c
file_table.c
filesystems.c
fs-writeback.c bdi: Fix oops in wb_workfn() 2018-05-16 10:08:42 +02:00
fs_pin.c
fs_struct.c
inode.c xfs: evict all inodes involved with log redo item 2017-09-20 08:20:01 +02:00
internal.h xfs: evict all inodes involved with log redo item 2017-09-20 08:20:01 +02:00
ioctl.c
iomap.c iomap: fix integer truncation issues in the zeroing and dirtying helpers 2017-09-20 08:19:59 +02:00
Kconfig mm/hugetlb: introduce ARCH_HAS_GIGANTIC_PAGE 2016-10-07 18:46:29 -07:00
Kconfig.binfmt
libfs.c libfs: Modify mount_pseudo_xattr to be clear it is not a userspace mount 2017-12-09 22:01:51 +01:00
locks.c locking, fs/locks: Add missing file_sem locks 2016-10-18 12:21:28 +02:00
Makefile
mbcache.c mbcache: initialize entry->e_referenced in mb_cache_entry_create() 2018-02-22 15:43:48 +01:00
mount.h mnt: In propgate_umount handle visiting mounts in any order 2017-07-21 07:42:22 +02:00
mpage.c fs/mpage.c: fix mpage_writepage() for pages with buffers 2017-10-18 09:35:39 +02:00
namei.c getname_kernel() needs to make sure that ->name != ->iname in long case 2018-04-20 08:21:07 +02:00
namespace.c Don't leak MNT_INTERNAL away from internal mounts 2018-04-24 09:34:18 +02:00
no-block.c
nsfs.c nsfs: mark dentry with DCACHE_RCUACCESS 2018-02-17 13:21:15 +01:00
open.c fs: completely ignore unknown open flags 2017-07-12 15:01:02 +02:00
pipe.c pipe: fix off-by-one error when checking buffer limits 2018-02-17 13:21:18 +01:00
pnode.c mnt: Make propagate_umount less slow for overlapping mount propagation trees 2017-07-21 07:42:22 +02:00
pnode.h mnt: Tuck mounts under others instead of creating shadow/side mounts. 2017-03-15 10:02:43 +08:00
posix_acl.c tmpfs: clear S_ISGID when setting posix ACLs 2017-01-26 08:24:37 +01:00
proc_namespace.c
read_write.c vfs: deny copy_file_range() for non regular files 2017-10-12 11:51:26 +02:00
readdir.c
select.c fs/select: add vmalloc fallback for select(2) 2016-10-11 15:06:30 -07:00
seq_file.c seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char 2016-10-07 18:46:30 -07:00
signalfd.c
splice.c vfs: fix uninitialized flags in splice_to_pipe() 2017-02-23 17:44:35 +01:00
stack.c
stat.c ufs: restore maintaining ->i_blocks 2017-06-14 15:06:01 +02:00
statfs.c
super.c sget(): handle failures of register_shrinker() 2018-03-03 10:23:21 +01:00
sync.c
timerfd.c timerfd: Protect the might cancel mechanism proper 2017-05-08 07:47:54 +02:00
userfaultfd.c userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE 2017-12-20 10:07:18 +01:00
utimes.c Merge remote-tracking branch 'jk/vfs' into work.misc 2016-10-08 11:06:08 -04:00
xattr.c lsm: fix smack_inode_removexattr and xattr_getsecurity memleak 2017-10-12 11:51:19 +02:00