nilfs2-kmod9 v1.19 release

• Fix an issue where the nilfs2 module built against newer RHEL 9 kernels (RHEL_RELEASE >= 375) would cause a panic:
  • Allow to switch application of setup_bdev_super()

nilfs2-kmod9 v1.18 release

• 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:
  • fix failure to detect DAT corruption in btree and direct mappings
  • prevent kernel bug at submit_bh_wbc()

nilfs2-kmod9 v1.17 release

• Backport fixes for a data corruption issue, mmap-related hangs and recovery failures, potential kernel panics, and a log writer freeze handling issue:
  • fix hang in nilfs_lookup_dirty_data_buffers()
  • fix data corruption in dsync block recovery for small block sizes
  • fix potential bug in end_buffer_async_write
  • add missing set_freezable() for freezable kthread
• Backport a patch that replaces potentially problematic state inconsistency checks with warning message output:
  • switch WARN_ONs to warning output in nilfs_sufile_do_free()
• Backport a fix for some kernel-doc warnings

nilfs2-kmod9 v1.16 release

• Backport fixes for problems including memory access violations due to lack of block size error handling and for a bug reported by syzbot:
  • fix missing error check for sb_set_blocksize call
  • prevent WARNING in nilfs_sufile_set_segment_usage()

nilfs2-kmod9 v1.15 release

• Fix a build issue on newer RHEL 9 kernels (RHEL_RELEASE >= 381)
• Fix a typo in the ChangeLog file

nilfs2-kmod9 v1.14 release

• Fix build issues on newer RHEL 9 kernels (RHEL_RELEASE >= 370)
• Backport the fix for a potential use-after-free issue in a GC-related routine, nilfs_gccache_submit_read_data()
• Allow use of a safer timer shutdown routine backported from kernel 6.2 on RHEL_RELEASE >= 295
• A minor build compatibility issue fix

nilfs2-kmod9 v1.13 release

• Backport fixes for user-after-free read, general protection fault, and kernel warning issues under abnormal conditions reported by syzbot:
  • fix use-after-free of nilfs_root in dirtying inodes via iput
  • fix general protection fault in nilfs_lookup_dirty_data_buffers()
  • fix WARNING in mark_buffer_dirty due to discarded buffer reuse

nilfs2-kmod9 v1.12 release

• Backport fixes for general protection faults on corrupted disk images and buffer corruption issues caused by concurrent device reads:
  • prevent general protection fault in nilfs_clear_dirty_page()
  • fix buffer corruption due to concurrent device reads

nilfs2-kmod9 v1.11 release

• Backport recent fixes for various issues reported by syzbot:
  • fix use-after-free bug of nilfs_root in nilfs_evict_inode()
  • reject devices with insufficient block count
  • fix possible out-of-bounds segment allocation in resize ioctl
  • fix incomplete buffer cleanup in nilfs_btnode_abort_change_key()
• Add an inline function compatibility definition for maintenance:
  • Allow to use sb_bdev_nr_blocks()

nilfs2-kmod9 v1.10 release

• Backport fixes for kernel hangs with corrupted disk images and writes even after read-only degeneration:
  • do not write dirty data after degenerating to read-only
  • fix infinite loop in nilfs_mdt_get_block()