nilfs2-kmod7-1.2.16 Sat Jun 8, 2024 JST
* backport fixes for a kernel bug that could occur when overwriting
a block device on which nilfs2 is mounted, and for potential FS
corruption when removing or renaming a directory failed with I/O
errors:
- nilfs2: fix potential kernel bug due to lack of writeback flag
waiting
- nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O
errors
nilfs2-kmod7-1.2.15 Mon May 27, 2024 JST
* backport fixes for a few issues with the log writer, including
potential use-after-free and hang issues on unmount, and potential
sync operation freezes:
- nilfs2: fix use-after-free of timer for log writer thread
- nilfs2: fix unexpected freezing of nilfs_segctor_sync()
- nilfs2: fix potential hang in nilfs_detach_log_writer()
* backport fixes for potential issues with finishing block writes in
rollforward recovery on mount:
- nilfs2: make block erasure safe in nilfs_finish_roll_forward()
- nilfs2: convert BUG_ON() in nilfs_finish_roll_forward() to
WARN_ON()
* backport a fix for one potential array out-of-bounds access issue
around the directory code:
- nilfs2: fix OOB in nilfs_set_de_type
* backport one environment-dependent build warning fix:
- nilfs2: fix out-of-range warning
nilfs2-kmod7-1.2.14 Sat Mar 16, 2024 JST
* backport fixes for potential issues that could cause a buffer I/O
routine to trigger a kernel bug due to writes to file systems whose
DAT metadata is corrupted or unexpected write races:
- nilfs2: fix failure to detect DAT corruption in btree and direct
mappings
- nilfs2: prevent kernel bug at submit_bh_wbc()
nilfs2-kmod7-1.2.13 Sun Feb 11, 2024 JST
* backport fixes for a data corruption issue, mmap-related hangs and
recovery failures, potential kernel panics, and a log writer freeze
handling issue:
- nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()
- nilfs2: fix data corruption in dsync block recovery for small
block sizes
- nilfs2: fix potential bug in end_buffer_async_write
- nilfs2: add missing set_freezable() for freezable kthread
* backport a patch that replaces potentially problematic state
inconsistency checks with warning message output:
- nilfs2: switch WARN_ONs to warning output in nilfs_sufile_do_free()
nilfs2-kmod7-1.2.12 Sat Dec 9, 2023 JST
* backport fixes for a potential use-after-free issue, problems
including memory access violations due to lack of block size error
handling, and a bug reported by syzbot:
- nilfs2: fix potential use after free in
nilfs_gccache_submit_read_data()
- nilfs2: fix missing error check for sb_set_blocksize call
- nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
nilfs2-kmod7-1.2.11 Sun Sep 3, 2023 JST
* backport fixes for general protection fault and kernel warning
issues reported by syzbot:
- nilfs2: fix general protection fault in
nilfs_lookup_dirty_data_buffers()
- nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer
reuse
nilfs2-kmod7-1.2.10 Sat Jun 24, 2023 JST
* backport fixes for general protection faults on corrupted disk images
and buffer corruption issues caused by concurrent device reads:
- nilfs2: prevent general protection fault in
nilfs_clear_dirty_page()
- nilfs2: fix buffer corruption due to concurrent device reads
nilfs2-kmod7-1.2.9 Wed Jun 14, 2023 JST
* backport recent fixes for various issues reported by syzbot:
- nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
- nilfs2: reject devices with insufficient block count
- nilfs2: fix possible out-of-bounds segment allocation in resize
ioctl
- nilfs2: fix incomplete buffer cleanup in
nilfs_btnode_abort_change_key()
* add some new macro and inline function compatibility definitions for
maintenance:
- Allow to use U64_MAX and similar definitions
- Allow to use bdev_nr_bytes() and sb_bdev_nr_blocks()
nilfs2-kmod7-1.2.8 Sun May 7, 2023 JST
* backport fixes for kernel hangs and writes even after read-only
degeneration:
- nilfs2: do not write dirty data after degenerating to read-only
- nilfs2: fix infinite loop in nilfs_mdt_get_block()
nilfs2-kmod7-1.2.7 Sun Apr 23, 2023 JST
* backport another missing block initialization fix:
- nilfs2: initialize unused bytes in segment summary blocks
nilfs2-kmod7-1.2.6 Sun Apr 16, 2023 JST
* backport fixes for a potential use-after-free read issue and
missing segment summary data initialization:
- nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
- nilfs2: fix potential UAF of struct nilfs_sc_info in
nilfs_segctor_thread()
nilfs2-kmod7-1.2.5 Mon Mar 27, 2023 JST
* backport fixes for a potential kernel information leak when
specifying anomalous ioctl parameters:
- nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
* backport improved anomaly checks for corrupted disk images:
- nilfs2: prevent WARNING in nilfs_dat_commit_end()
- nilfs2: replace WARN_ONs for invalid DAT metadata block requests
nilfs2-kmod7-1.2.4 Sun Feb 19, 2023 JST
* backport fixes for general protection faults on corrupted disk
images, an out-of-bounds block access issue on empty or very small
devices, bad segment counts and a writer thread hang issue after
attempting to resize to very small sizes:
- nilfs2: fix general protection fault in nilfs_btree_insert()
- nilfs2: fix underflow in second superblock position calculations
nilfs2-kmod7-1.2.3 Sun Dec 25, 2022 JST
* backport the fixes for potential shift-out-of-bounds issues at mount
time against corrupted disk images:
- nilfs2: fix shift-out-of-bounds/overflow in nilfs_sb2_bad_offset()
- nilfs2: fix shift-out-of-bounds due to too large exponent of block
size
nilfs2-kmod7-1.2.2 Mon Dec 5, 2022 JST
* backport bug fixes:
- nilfs2: fix nilfs_sufile_mark_dirty() not set segment usage as
dirty
- nilfs2: fix NULL pointer dereference in
nilfs_palloc_commit_free_entry()
nilfs2-kmod7-1.2.1 Sun Nov 20, 2022 JST
* backport bug fixes:
- nilfs2: fix deadlock in nilfs_count_free_blocks()
- nilfs2: fix use-after-free bug of ns_writer on remount
* backport change for maintenance:
- Allow to use sb_rdonly()
nilfs2-kmod7-1.2.0 Sun Oct 23, 2022 JST
* backport bug fixes:
- nilfs2: fix leak of nilfs_root in case of writer thread creation
failure
- nilfs2: fix use-after-free bug of struct nilfs_root
- nilfs2: fix NULL pointer dereference at
nilfs_bmap_lookup_at_level()
- nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition
failure
* backport SPDX license tags, etc:
- License cleanup: add SPDX license identifier to uapi header files
with a license
- nilfs2: convert to SPDX license tags
- nilfs2: clarify permission to replicate the design
* backport improved logging helpers:
- nilfs2: convert __nilfs_msg to integrate the level and format
- nilfs2: use a more common logging style
- nilfs2: reduce bare use of printk() with nilfs_msg()
- nilfs2: replace nilfs_warning() with nilfs_msg()
- nilfs2: emit error message when I/O error is detected
- nilfs2: add nilfs_msg() message interface
- nilfs2: hide function name argument from nilfs_error()
* backport uapi header files support:
- nilfs2: move ioctl interface and disk layout to uapi separately
- nilfs2: do not use unexported cpu_to_le32()/le32_to_cpu() in uapi
header
* backport various changes for easier future maintenance:
- nilfs2: move cleanup code of metadata file from inode routines
- nilfs2: avoid bare use of 'unsigned'
- nilfs2: fix block comments
- nilfs2: embed a back pointer to super block instance in nilfs
object
- nilfs2: refactor parser of snapshot mount option
- nilfs2: get rid of nilfs_mdt_mark_block_dirty()
- mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
- git simplify nilfs check for busy subtree
nilfs2-kmod7-1.1.3 Sat Oct 22, 2022 JST
* backport bug fixes
- nilfs2: fix use-after-free bug in nilfs_mdt_destroy()
- nilfs2: fix incorrect masking of permission flags for symlinks
- nilfs2: use refcount_dec_and_lock() to fix potential UAF
- nilfs2: only call unlock_new_inode() if I_NEW
* backport other changes:
- Allow to use refcount type
- fs, nilfs: convert nilfs_root.count from atomic_t to refcount_t
- nilfs2: deletion of an unnecessary check before the function call
"iput"
* Makefile updates:
- nilfs2-kmod7: pass RHEL release number to preprocessor
- nilfs2-kmod7: include header files in local include/uapi directory
- Use KBUILD_EXTMOD instead of SUBDIRS in fs/nilfs2/Makefile
- Use KBUILD_CFLAGS and LINUXINCLUDE instead of EXTRA_CFLAGS
* README: update git repository url
* README: fix the list of required packages
nilfs2-kmod7-1.1.2 Sat Nov 18, 2017 JST
* fix race condition that causes file system corruption
* fix a coding style issue:
- align block comments of nilfs_sufile_truncate_range() at *
* README: replace the repository name in examples with nilfs2-kmod7
nilfs2-kmod7-1.1.1 Sat Jul 23, 2016 JST
* fix potential underflow in call to crc32_le
* do not emit extra newline on nilfs_warning() and nilfs_error()
* fix coding style issues
- remove FSF mailing address from GPL notices
- remove space before comma
- remove space before semicolon
- add missing line spacing
- fix code indent coding style issue
- remove unnecessary else after return or break
- remove loops of single statement macros
* cleanup:
- clean up old e-mail addresses
nilfs2-kmod7-1.1.0 Sun Nov 8, 2015 JST
* resolve decline of the available disk space due to bloat of DAT
metadata file
- add helper functions to delete blocks from dat file
- free unused dat file blocks during garbage collection
* refactor bitmap based object allocator/deallocator
- use nilfs_warning() in allocator implementation
- do not call nilfs_mdt_bgl_lock() needlessly
- refactor nilfs_palloc_find_available_slot()
- get rid of nilfs_palloc_group_is_in()
* fix sanity check of btree level in nilfs_btree_root_broken()
* support NFSv2 export
* support vanilla kernel 3.6 ~ 3.9
- Add compat function of file_inode()
- Add mimic of MODULE_ALIAS_FS macro
- Add compat function of wait_for_stable_page()
- Add FILEID_INVALID macro
- Fix build failure of nilfs_mapping_init() in kernel 3.7
- Fix build error due to addition of vm_ops->remap_pages()
- Set VM_CAN_NONLINIEAR to vm_flags in kernel 3.6 and earlier
- Only call file_update_time() in nilfs_page_mkwrite() for kernel
3.7+
- README: include vanilla kernel 3.6+ to supported versions
nilfs2-kmod7-1.0.0 Sun Apr 19, 2015 JST
* fix gcc warning at nilfs_checkpoint_is_mounted()
* fix minor race issue with chattr:
- put out gfp mask manipulation from nilfs_set_inode_flags()
- add mimic of inode_set_flags() helper
- use inode_set_flags() in nilfs_set_inode_flags() to
atomically set inode->i_flags.
* support build for recent mainline kernels (v3.10 ~ v4.0):
- fix build error due to relocation of version.h
- fix build error due to change of readdir at Linux 3.11
- fix build error due to change of bio struct at Linux 3.14
- fix build error due to change related to iov iterator at Linux 3.16
- use d_obtain_root() and add its compat function
- fix build error due to removal of vm_ops->remap_pages()
- fix build error due to removal of mapping->backing_dev_info
* improve execution time of lscp command on aged file systems:
- unify type of key arguments in bmap interface
- add bmap function to seek a valid key
- add helper to find existent block on metadata file
- improve execution time of NILFS_IOCTL_GET_CPINFO ioctl
* reduce the number of atomic bit operations with set_mask_bits
helper:
- do not use async write flag for segment summary buffers
- add mimic of set_mask_bits() helper
- use set_mask_bits() for operations on buffer state bitmap
* cleanup:
- use bgl_lock_ptr() helper to simplify nilfs_mdt_bgl_lock()
nilfs2-kmod-centos7-0.1.5 Sun Apr 5, 2015 JST
* fix build error on CentOS 7.1 supporting a change of
truncate_pagecache() function.
nilfs2-kmod-centos7-0.1.4 Fri Mar 13, 2015 JST
* fix deadlock of segment constructor during recovery
* fix potential memory overrun on inode
nilfs2-kmod-centos7-0.1.3 Sat Feb 7, 2015 JST
* fix deadlock of segment constructor over I_SYNC flag
* fix the nilfs_iget() vs. nilfs_new_inode() races
nilfs2-kmod-centos7-0.1.2 Sun Oct 19, 2014 JST
* improve the performance of fdatasync()
* add missing blkdev_issue_flush() to nilfs_sync_fs()
nilfs2-kmod-centos7-0.1.1 Sat Sep 27, 2014 JST
* fix data loss with mmap()
nilfs2-kmod-centos7-0.1.0 Wed Jul 9, 2014 JST
* update project's web site in nilfs2.txt
* verify metadata sizes read from disk
* add FITRIM ioctl support
* add NILFS_IOCTL_SET_SUINFO ioctl support
* apply "nilfs2: add comments for ioctls"
* apply "nilfs2: use atomic64_t type for inode_count and blocks_count
fields in nilfs_root struct"
* apply "nilfs2: implement calculation of tree inodes count"
* apply "helper for reading ->d_count"
* apply "mm + fs: store shadow entries in pace cache"
* add kern_feature.h header file
* add .gitignore file
* Import source files from stable kernel-3.10.y.