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linux/fs
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Mark Harmstone 7b478122cd btrfs: don't allow adding block device of less than 1 MB 
[ Upstream commit 3d1267475b ]

Commit 15ae0410c37a79 ("btrfs-progs: add error handling for
device_get_partition_size_fd_stat()") in btrfs-progs inadvertently
changed it so that if the BLKGETSIZE64 ioctl on a block device returned
a size of 0, this was no longer seen as an error condition.

Unfortunately this is how disconnected NBD devices behave, meaning that
with btrfs-progs 6.16 it's now possible to add a device you can't
remove:

  # btrfs device add /dev/nbd0 /root/temp
  # btrfs device remove /dev/nbd0 /root/temp
  ERROR: error removing device '/dev/nbd0': Invalid argument

This check should always have been done kernel-side anyway, so add a
check in btrfs_init_new_device() that the new device doesn't have a size
less than BTRFS_DEVICE_RANGE_RESERVED (i.e. 1 MB).

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-10-02 13:44:08 +02:00
..
9p
9p: Add a migrate_folio method
2025-06-19 15:32:36 +02:00
adfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
affs
affs: don't write overlarge OFS data block size fields
2025-04-10 14:39:29 +02:00
afs
afs: Give an afs_server object a ref on the afs_cell object it points to
2025-03-07 18:25:29 +01:00
autofs
autofs: fix thinko in validate_dev_ioctl()
2024-10-28 13:16:56 +01:00
bcachefs
add a string-to-qstr constructor
2025-07-10 16:05:08 +02:00
befs
…
bfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
btrfs
btrfs: don't allow adding block device of less than 1 MB
2025-10-02 13:44:08 +02:00
cachefiles
cachefiles: Fix the incorrect return value in __cachefiles_write()
2025-07-24 08:56:30 +02:00
ceph
ceph: fix race condition where r_parent becomes stale before sending message
2025-09-19 16:35:47 +02:00
coda
coda: use param->file for FSCONFIG_SET_FD
2024-08-19 13:45:03 +02:00
configfs
configfs: Do not override creating attribute file failure in populate_attrs()
2025-06-27 11:11:12 +01:00
cramfs
…
crypto
fscrypt: Don't use problematic non-inline crypto engines
2025-08-20 18:30:15 +02:00
debugfs
debugfs: fix mount options not being applied
2025-08-28 16:31:08 +02:00
devpts
…
dlm
dlm: make tcp still work in multi-link env
2025-05-29 11:02:14 +02:00
ecryptfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
efivarfs
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
2025-09-04 15:31:52 +02:00
efs
efs: fix the efs new mount api implementation
2024-12-05 14:01:10 +01:00
erofs
erofs: fix atomic context detection when !CONFIG_DEBUG_LOCK_ALLOC
2025-09-04 15:31:44 +02:00
exfat
exfat: add cluster chain loop check for dir
2025-08-20 18:30:47 +02:00
exportfs
…
ext2
ext2: Handle fiemap on empty files to prevent EINVAL
2025-08-20 18:30:21 +02:00
ext4
ext4: introduce linear search for dentries
2025-09-19 16:35:42 +02:00
f2fs
f2fs: fix to avoid out-of-boundary access in dnode page
2025-08-28 16:30:59 +02:00
fat
fat: fix uninitialized variable
2024-10-17 00:28:06 -07:00
freevxfs
…
fuse
fuse: prevent overflow in copy_file_range return value
2025-09-19 16:35:46 +02:00
gfs2
gfs2: Set .migrate_folio in gfs2_{rgrp,meta}_aops
2025-08-20 18:30:20 +02:00
hfs
hfs: fix not erasing deleted b-tree node issue
2025-08-20 18:30:20 +02:00
hfsplus
hfsplus: don't use BUG_ON() in hfsplus_create_attributes_file()
2025-08-20 18:30:19 +02:00
hostfs
um: hostfs: avoid issues on inode number reuse by host
2025-04-10 14:39:25 +02:00
hpfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
hugetlbfs
mm: use aligned address in clear_gigantic_page()
2024-12-27 14:02:20 +01:00
iomap
iomap: skip unnecessary ifs_block_is_uptodate check
2025-05-02 07:59:27 +02:00
isofs
isofs: Verify inode mode when loading from disk
2025-07-24 08:56:25 +02:00
jbd2
jbd2: prevent softlockup in jbd2_log_do_checkpoint()
2025-08-28 16:30:59 +02:00
jffs2
jffs2: check jffs2_prealloc_raw_node_refs() result in few other places
2025-06-27 11:11:37 +01:00
jfs
jfs: upper bound check of tree index in dbAllocAG
2025-08-20 18:30:42 +02:00
kernfs
kernfs: Fix UAF in polling when open file is released
2025-09-19 16:35:47 +02:00
lockd
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
minix
buffer: Convert __block_write_begin() to take a folio
2024-08-07 11:33:36 +02:00
netfs
netfs: Fix unbuffered write error handling
2025-08-28 16:31:04 +02:00
nfs
NFSv4/flexfiles: Fix layout merge mirror check.
2025-09-19 16:35:44 +02:00
nfs_common
nfs: fix incorrect error handling in LOCALIO
2025-02-08 09:57:59 +01:00
nfsd
NFSD: detect mismatch of file handle and delegation stateid in OPEN op
2025-08-20 18:30:14 +02:00
nilfs2
nilfs2: fix CFI failure when accessing /sys/fs/nilfs2/features/*
2025-09-25 11:13:45 +02:00
nls
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
notify
fanotify: sanitize handle_type values when reporting fid
2025-08-15 12:13:51 +02:00
ntfs3
fs/ntfs3: correctly create symlink for relative path
2025-08-20 18:30:21 +02:00
ocfs2
ocfs2: fix recursive semaphore deadlock in fiemap call
2025-09-19 16:35:45 +02:00
omfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
openpromfs
…
orangefs
fs/orangefs: use snprintf() instead of sprintf()
2025-08-20 18:30:41 +02:00
overlayfs
ovl: use I_MUTEX_PARENT when locking parent in ovl_create_temp()
2025-08-28 16:31:10 +02:00
proc
proc: fix type confusion in pde_set_flags()
2025-09-19 16:35:45 +02:00
pstore
pstore: Change kmsg_bytes storage size to u32
2025-05-29 11:02:58 +02:00
qnx4
…
qnx6
fs/qnx6: Fix building with GCC 15
2025-01-23 17:22:55 +01:00
quota
quota: flush quota_release_work upon quota writeback
2024-12-09 10:40:55 +01:00
ramfs
…
reiserfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
romfs
romfs: fix romfs_read_folio()
2024-08-21 22:32:58 +02:00
smb
smb: server: use disable_work_sync in transport_rdma.c
2025-10-02 13:44:08 +02:00
squashfs
squashfs: fix memory leak in squashfs_fill_super
2025-08-28 16:31:05 +02:00
sysfs
…
sysv
buffer: Convert __block_write_begin() to take a folio
2024-08-07 11:33:36 +02:00
tests
…
tracefs
tracefs: Add d_delete to remove negative dentries
2025-08-20 18:30:21 +02:00
ubifs
ubifs: skip dumping tnc tree when zroot is null
2025-02-08 09:58:01 +01:00
udf
udf: Verify partition map count
2025-08-20 18:30:20 +02:00
ufs
ufs_rename(): fix bogus argument of folio_release_kmap()
2024-10-02 00:05:09 -04:00
unicode
Revert "unicode: Don't special case ignorable code points"
2024-12-14 20:04:13 +01:00
vboxsf
vboxsf: fix building with GCC 15
2025-03-22 12:54:15 -07:00
verity
fsverity: expose verified fsverity built-in signatures to LSMs
2024-08-20 14:03:18 -04:00
xfs
xfs: do not propagate ENODATA disk errors into xattr code
2025-09-04 15:31:54 +02:00
zonefs
Merge tag 'zonefs-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
2024-10-02 12:02:15 -07:00
aio.c
fs/aio: Fix __percpu annotation of *cpu pointer in struct kioctx
2024-08-19 13:45:03 +02:00
anon_inodes.c
fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
2025-07-10 16:05:09 +02:00
attr.c
Merge tag 'nfsd-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2024-08-29 06:20:44 +12:00
backing-file.c
fs: pass offset and result to backing_file end_write() callback
2024-10-16 13:17:45 +02:00
bad_inode.c
…
binfmt_elf_fdpic.c
Revert "fs: don't block i_writecount during exec"
2024-12-05 14:02:50 +01:00
binfmt_elf.c
binfmt_elf: Move brk for static PIE even if ASLR disabled
2025-05-22 14:29:35 +02:00
binfmt_flat.c
binfmt_flat: Fix integer overflow bug on 32 bit systems
2025-02-17 10:05:04 +01:00
binfmt_misc.c
Revert "fs: don't block i_writecount during exec"
2024-12-05 14:02:50 +01:00
binfmt_script.c
…
bpf_fs_kfuncs.c
bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry
2024-08-07 11:26:54 -07:00
buffer.c
fs/buffer: fix use-after-free when call bh_read() helper
2025-08-28 16:31:08 +02:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
coredump: hand a pidfd to the usermode coredump helper
2025-06-04 14:43:52 +02:00
d_path.c
…
dax.c
fsdax: dax_unshare_iter needs to copy entire blocks
2024-10-07 13:51:47 +02:00
dcache.c
Merge tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 08:35:09 +02:00
direct-io.c
fs/direct-io: Remove linux/prefetch.h include
2024-08-19 13:45:02 +02:00
drop_caches.c
…
eventfd.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
eventpoll.c
eventpoll: Fix semi-unbounded recursion
2025-08-20 18:30:15 +02:00
exec.c
exec: fix the racy usage of fs_struct->in_exec
2025-04-10 14:39:40 +02:00
fcntl.c
fcntl: make F_DUPFD_QUERY associative
2024-12-05 14:02:47 +01:00
fhandle.c
fhandle: use more consistent rules for decoding file handle from userns
2025-09-19 16:35:41 +02:00
file_table.c
add a string-to-qstr constructor
2025-07-10 16:05:08 +02:00
file.c
alloc_fdtable(): change calling conventions.
2025-08-28 16:31:16 +02:00
filesystems.c
fs/filesystems: Fix potential unsigned integer underflow in fs_name()
2025-06-19 15:32:32 +02:00
fs_context.c
…
fs_parser.c
…
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: writeback: fix use-after-free in __mark_inode_dirty()
2025-09-09 18:58:03 +02:00
fsopen.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
init.c
…
inode.c
bcachefs: do not use PF_MEMALLOC_NORECLAIM
2024-10-09 12:47:18 -07:00
internal.h
file: reclaim 24 bytes from f_owner
2024-08-28 13:05:39 +02:00
ioctl.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
Kconfig
nfs: add missing selections of CONFIG_CRC32
2025-04-25 10:47:50 +02:00
Kconfig.binfmt
…
kernel_read_file.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
libfs.c
better lockdep annotations for simple_recursive_removal()
2025-08-20 18:30:20 +02:00
locks.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
Makefile
bpf: introduce new VFS based BPF kfuncs
2024-08-06 09:01:41 -07:00
mbcache.c
…
mnt_idmapping.c
Merge tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2024-09-24 15:29:42 -07:00
mount.h
fs: kill MNT_ONRB
2025-01-17 13:40:50 +01:00
mpage.c
fs/writeback: convert wbc_account_cgroup_owner to take a folio
2025-01-17 13:40:33 +01:00
namei.c
fuse: don't truncate cached, mutated symlink
2025-03-22 12:54:20 -07:00
namespace.c
fs/fhandle.c: fix a race in call of has_locked_children()
2025-09-09 18:58:19 +02:00
nsfs.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
open.c
openat2: explicitly return -E2BIG for (usize > PAGE_SIZE)
2024-10-10 12:09:03 +02:00
pidfs.c
pidfs: raise SB_I_NODEV and SB_I_NOEXEC
2025-08-20 18:30:21 +02:00
pipe.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: Use in_group_or_capable() helper to simplify the code
2024-08-30 08:22:37 +02:00
proc_namespace.c
…
read_write.c
fs/block: Check for IOCB_DIRECT in generic_atomic_write_valid()
2024-12-05 14:01:11 +01:00
readdir.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
remap_range.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
select.c
select: Fix unbalanced user_access_end()
2025-02-08 09:56:53 +01:00
seq_file.c
…
signalfd.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
splice.c
netfs: Fix unbuffered write error handling
2025-08-28 16:31:04 +02:00
stack.c
…
stat.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
statfs.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
super.c
fs/super.c: introduce get_tree_bdev_flags()
2024-10-21 14:30:26 +02:00
sync.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
sysctls.c
…
timerfd.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
userfaultfd.c
mm/userfaultfd: fix uninitialized output field for -EAGAIN race
2025-05-18 08:24:52 +02:00
utimes.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
xattr.c
fs/xattr.c: fix simple_xattr_list()
2025-06-27 11:11:36 +01:00