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linux-stable/fs
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Filipe Manana 3d770d44dd btrfs: avoid monopolizing a core when activating a swap file 
commit 2c8507c63f5498d4ee4af404a8e44ceae4345056 upstream.

During swap activation we iterate over the extents of a file and we can
have many thousands of them, so we can end up in a busy loop monopolizing
a core. Avoid this by doing a voluntary reschedule after processing each
extent.

CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-01-09 13:23:33 +01:00
..
9p
fs/9p: drop inodes immediately on non-.L too
2024-05-17 11:43:53 +02:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-02-06 07:52:36 +01:00
afs
afs: Don't cross .backup mountpoint from backup volume
2024-06-16 13:28:48 +02:00
autofs
autofs: fix memory leak of waitqueues in autofs_catatonic_mode
2023-09-23 11:00:02 +02:00
befs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
bfs
bfs: don't use WARNING: string when it's just info.
2021-01-06 14:48:39 +01:00
btrfs
btrfs: avoid monopolizing a core when activating a swap file
2025-01-09 13:23:33 +01:00
cachefiles
cachefiles: fix memory leak in cachefiles_add_cache()
2024-03-06 14:36:10 +00:00
ceph
ceph: remove the incorrect Fw reference check when dirtying pages
2024-11-08 16:20:35 +01:00
cifs
cifs: Fix buffer overflow when parsing NFS reparse points
2024-12-14 19:44:21 +01:00
coda
coda: Avoid partial allocation of sig_inputArgs
2023-03-11 16:43:56 +01:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2023-01-18 11:41:09 +01:00
cramfs
cramfs: fix usage on non-MTD device
2019-11-23 21:44:49 -05:00
crypto
fscrypt: add fscrypt_symlink_getattr() for computing st_size
2021-09-12 08:56:38 +02:00
debugfs
new helper: lookup_positive_unlocked()
2023-09-23 10:59:40 +02:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:24:34 +01:00
dlm
dlm: fix plock lookup when using multiple lockspaces
2023-09-23 10:59:55 +02:00
ecryptfs
ecryptfs: Fix buffer size for tag 66 packet
2024-06-16 13:28:32 +02:00
efivarfs
efivarfs: Fix error on non-existent file
2025-01-09 13:23:28 +01:00
efs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
erofs
erofs: fix incorrect symlink detection in fast symlink
2025-01-09 13:23:27 +01:00
exportfs
exportfs_decode_fh(): negative pinned may become positive without the parent locked
2019-11-10 11:56:05 -05:00
ext2
ext2: fix datatype of block number in ext2_xattr_set2()
2023-09-23 11:00:04 +02:00
ext4
ext4: fix FS_IOC_GETFSMAP handling
2024-12-14 19:44:35 +01:00
f2fs
f2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode.
2024-12-14 19:44:54 +01:00
fat
fat: fix uninitialized variable
2024-11-08 16:20:47 +01:00
freevxfs
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
fscache
fscache: Fix cookie key hashing
2021-09-22 12:26:25 +02:00
fuse
fuse: use unsigned type for getxattr/listxattr size truncation
2024-09-12 11:03:51 +02:00
gfs2
gfs2: setattr_chown: Add missing initialization
2024-09-04 13:14:54 +02:00
hfs
hfs: fix to initialize fields of hfs_inode_info after hfs_alloc_inode()
2024-08-19 05:33:36 +02:00
hfsplus
hfsplus: don't query the device logical block size multiple times
2024-12-14 19:44:22 +01:00
hostfs
hostfs: fix memory handling in follow_link()
2021-04-14 08:24:14 +02:00
hpfs
fs: hpfs: Initialize filesystem timestamp ranges
2019-08-30 08:11:25 -07:00
hugetlbfs
fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super
2024-03-06 14:36:10 +00:00
iomap
iomap: Set all uptodate bits for an Uptodate page
2024-03-01 13:13:35 +01:00
isofs
isofs: handle CDs with bad root inode but good Joliet root directory
2024-04-13 12:51:38 +02:00
jbd2
jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error
2024-11-08 16:20:40 +01:00
jffs2
jffs2: Fix rtime decompressor
2024-12-14 19:44:56 +01:00
jfs
jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree
2024-12-14 19:44:52 +01:00
kernfs
fs/kernfs/dir: obey S_ISGID
2024-02-23 08:25:03 +01:00
lockd
fs: lockd: avoid possible wrong NULL parameter
2023-09-23 10:59:48 +02:00
minix
minix: fix bug when opening a file with O_DIRECT
2022-04-15 14:18:35 +02:00
nfs
NFS/pnfs: Fix a live lock between recalled layouts and layoutget
2025-01-09 13:23:29 +01:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:51:22 +01:00
nfsd
nfsd: restore callback functionality for NFSv4.0
2025-01-09 13:23:30 +01:00
nilfs2
nilfs2: prevent use of deleted inode
2025-01-09 13:23:29 +01:00
nls
fs/nls: make load_nls() take a const parameter
2023-09-23 10:59:38 +02:00
notify
fanotify: disallow mount/sb marks on kernel internal pseudo fs
2023-07-27 08:37:26 +02:00
ntfs
ntfs: check overflow when iterating ATTR_RECORDs
2022-11-25 17:42:22 +01:00
ocfs2
ocfs2: Revert "ocfs2: fix the la space leak when unmounting an ocfs2 volume"
2024-12-14 19:44:56 +01:00
omfs
treewide: Remove uninitialized_var() usage
2023-06-09 10:29:01 +02:00
openpromfs
openpromfs: finish conversion to the new mount API
2024-06-16 13:28:32 +02:00
orangefs
orangefs: fix out-of-bounds fsid access
2024-07-18 11:40:49 +02:00
overlayfs
ovl: Filter invalid inodes with missing lookup function
2024-12-14 19:44:43 +01:00
proc
proc/softirqs: replace seq_printf with seq_put_decimal_ull_width
2024-12-14 19:44:21 +01:00
pstore
pstore/ram: Fix crash when setting number of cpus to an odd number
2024-02-23 08:24:55 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-30 10:09:26 +02:00
qnx6
fs: Fill in max and min timestamps in superblock
2019-08-30 07:27:17 -07:00
quota
quota: flush quota_release_work upon quota writeback
2024-12-14 19:44:42 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-29 09:57:53 +01:00
reiserfs
reiserfs: Check the return value from __getblk()
2023-09-23 10:59:40 +02:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:40:51 +02:00
squashfs
Squashfs: sanity check symbolic link size
2024-09-12 11:03:55 +02:00
sysfs
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
2024-05-02 16:18:32 +02:00
sysv
sysv: don't call sb_bread() with pointers_lock held
2024-04-13 12:51:38 +02:00
tracefs
tracefs: Add missing lockdown check to tracefs_create_dir()
2023-09-23 11:00:06 +02:00
ubifs
ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit
2024-12-14 19:44:41 +01:00
udf
udf: fix uninit-value use in udf_get_fileshortad
2024-11-08 16:20:50 +01:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 13:05:37 +02:00
unicode
Revert "unicode: Don't special case ignorable code points"
2024-12-14 19:44:55 +01:00
verity
fsverity: skip PKCS#7 parser when keyring is empty
2023-09-23 10:59:55 +02:00
xfs
xfs: don't drop errno values when we fail to ficlone the entire range
2024-12-19 18:05:03 +01:00
aio.c
fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion
2024-04-13 12:51:29 +02:00
anon_inodes.c
…
attr.c
attr: block mode changes of symlinks
2023-09-23 11:00:06 +02:00
bad_inode.c
…
binfmt_aout.c
binfmt: Move install_exec_creds after setup_new_exec to match binfmt_elf
2023-01-18 11:41:46 +01:00
binfmt_elf_fdpic.c
fs: binfmt_elf_efpic: don't use missing interpreter's properties
2024-09-04 13:14:54 +02:00
binfmt_elf.c
elf: don't use MAP_FIXED_NOREPLACE for elf interpreter mappings
2021-10-06 15:42:35 +02:00
binfmt_em86.c
…
binfmt_flat.c
binfmt: Move install_exec_creds after setup_new_exec to match binfmt_elf
2023-01-18 11:41:46 +01:00
binfmt_misc.c
binfmt_misc: cleanup on filesystem umount
2024-09-04 13:14:53 +02:00
binfmt_script.c
…
block_dev.c
block: Don't invalidate pagecache for invalid falloc modes
2024-01-08 11:29:48 +01:00
buffer.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:42:22 +01:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2023-01-18 11:41:25 +01:00
compat_binfmt_elf.c
…
compat_ioctl.c
lsm: new security_file_ioctl_compat() hook
2024-02-23 08:25:15 +01:00
compat.c
…
coredump.c
coredump: fix core_pattern parse error
2020-12-11 13:23:30 +01:00
d_path.c
fs: fix NULL dereference due to data race in prepend_path()
2020-10-29 09:57:45 +01:00
dax.c
dax: fix cache flush on PMD-mapped pages
2022-06-14 18:11:41 +02:00
dcache.c
fs: better handle deep ancestor chains in is_subdir()
2024-07-27 10:38:32 +02:00
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:24:11 +02:00
drop_caches.c
fs: avoid softlockups in s_inodes iterators
2020-01-12 12:21:37 +01:00
eventfd.c
eventfd: prevent underflow for eventfd semaphores
2023-09-23 10:59:40 +02:00
eventpoll.c
epoll: Add synchronous wakeup support for ep_poll_callback
2025-01-09 13:23:32 +01:00
exec.c
parisc: Fix stack start for ADDR_NO_RANDOMIZE personality
2024-11-08 16:20:40 +01:00
fcntl.c
fs: Fix file_set_fowner LSM hook inconsistencies
2024-11-08 16:20:34 +01:00
fhandle.c
do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
2024-03-26 18:22:13 -04:00
file_table.c
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-25 09:14:34 +02:00
file.c
fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE
2024-09-04 13:14:50 +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
fs: avoid empty option when generating legacy mount string
2023-07-27 08:37:25 +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
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
writeback: fix call of incorrect macro
2023-05-17 11:35:58 +02:00
fsopen.c
…
inode.c
vfs: fix race between evice_inodes() and find_inode()&iput()
2024-11-08 16:20:34 +01:00
internal.h
fs: Establish locking order for unrelated directories
2023-07-27 08:37:26 +02:00
io_uring.c
io_uring: fail NOP if non-zero op flags is passed in
2024-06-16 13:28:48 +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: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2023-01-18 11:40:55 +01:00
locks.c
filelock: Correct the filelock owner in fcntl_setlk/fcntl_setlk64
2024-09-04 13:15:02 +02:00
Makefile
fs-verity for 5.4
2019-09-18 16:59:14 -07:00
mbcache.c
mbcache: Avoid nesting of cache->c_list_lock under bit locks
2023-01-18 11:41:59 +01:00
mount.h
…
mpage.c
fs: move guard_bio_eod() after bio_set_op_attrs
2020-01-17 19:48:21 +01:00
namei.c
fs: move S_ISGID stripping into the vfs_*() helpers
2024-02-23 08:24:49 +01:00
namespace.c
mount: handle OOM on mnt_warn_timestamp_expiry
2024-11-08 16:20:26 +01:00
no-block.c
…
nsfs.c
…
open.c
ftruncate: pass a signed offset
2024-07-05 09:08:31 +02:00
pipe.c
pipe: increase minimum default pipe size to 2 pages
2021-08-12 13:21:02 +02:00
pnode.c
pnode: terminate at peers of source
2023-01-18 11:41:44 +01:00
pnode.h
mount: fix mounting of detached mounts onto targets that reside on shared mounts
2021-03-17 17:03:33 +01:00
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: make sure to verify directory entry for legacy interfaces too
2021-04-21 12:56:16 +02:00
select.c
fs/select: rework stack allocation hack for clang
2024-03-26 18:22:13 -04:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:10:54 +02:00
signalfd.c
io_uring: disable polling pollfree files
2022-09-05 10:27:47 +02:00
splice.c
Revert "fs: check FMODE_LSEEK to control internal pipe splicing"
2022-10-17 17:24:32 +02:00
stack.c
…
stat.c
stat: fix inconsistency between struct stat and struct compat_stat
2022-04-27 13:50:48 +02:00
statfs.c
statfs: enforce statfs[64] structure initialization
2023-05-30 12:44:07 +01:00
super.c
fs: explicitly unregister per-superblock BDIs
2024-11-08 16:20:26 +01:00
sync.c
ovl: skip overlayfs superblocks at global sync
2023-12-08 08:44:27 +01:00
timerfd.c
…
userfaultfd.c
userfaultfd: open userfaultfds with O_RDONLY
2022-10-26 13:22:21 +02:00
utimes.c
utimes: Clamp the timestamps in notify_change()
2020-02-11 04:35:12 -08:00
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2023-01-18 11:40:53 +01:00