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- Serialize truncate, fallocate, and mmap fault paths with

Browse source 
invalidate_lock, avoiding mmap failures during concurrent size changes
    and exposure of uninitialized data during allocation.
 
  - Correct fallocate signal and zeroing error handling.
 
  - Fix FITRIM range alignment to prevent discard requests from extending
    into allocated clusters.
 
  - Fix free-cluster accounting when cluster-freeing rollback or bitmap
    clearing fails.
 
  - Keep volumes marked dirty when ntfs errors have been recorded.
 
  - Compute bi_sector in 512-byte units, preventing silent corruption on
    4Kn devices.
 
  - Validate sectors_per_cluster values and prevent undefined shifts when
    parsing MFT and index record sizes.
 
  - Bound $AttrDef traversal to the loaded table size.
 
  - Fix MFT record resizing, memmove overlap, and kmap_local cleanup issues.
 
  - Improve error propagation across attribute, EA, and reparse operations,
    including returning -ERANGE for undersized xattr buffers.
 
  - Avoid modifying the HasEA flag when setxattr fails and return
    DT_UNKNOWN when directory inode lookup fails.
 
  - Reduce contention in WOF decompression by performing block reads outside
    the decompression lock.
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Merge tag 'ntfs-for-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs

Pull ntfs fixes from Namjae Jeon:

 - Serialize truncate, fallocate, and mmap fault paths with
   invalidate_lock, avoiding mmap failures during concurrent size
   changes and exposure of uninitialized data during allocation

 - Correct fallocate signal and zeroing error handling

 - Fix FITRIM range alignment to prevent discard requests from extending
   into allocated clusters

 - Fix free-cluster accounting when cluster-freeing rollback or bitmap
   clearing fails

 - Keep volumes marked dirty when ntfs errors have been recorded

 - Compute bi_sector in 512-byte units, preventing silent corruption on
   4Kn devices

 - Validate sectors_per_cluster values and prevent undefined shifts when
   parsing MFT and index record sizes

 - Bound $AttrDef traversal to the loaded table size

 - Fix MFT record resizing, memmove overlap, and kmap_local cleanup
   issues

 - Improve error propagation across attribute, EA, and reparse
   operations, including returning -ERANGE for undersized xattr buffers

 - Avoid modifying the HasEA flag when setxattr fails and return
   DT_UNKNOWN when directory inode lookup fails

 - Reduce contention in WOF decompression by performing block reads
   outside the decompression lock

* tag 'ntfs-for-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs: (23 commits)
  ntfs: take invalidate_lock in ntfs_filemap_page_mkwrite()
  ntfs: take invalidate_lock in ntfs_setattr_size()
  ntfs: handle signal interruption in fallocate
  ntfs: fix FITRIM range alignment
  ntfs: read WOF chunks outside the decompression lock
  ntfs: leave HasEA flag untouched on setxattr failure
  ntfs: fix race between fallocate and mmap reads
  ntfs: fix memmove overlap in ntfs_new_attr_flags
  ntfs: compute bi_sector in 512-byte units
  ntfs: reject invalid sectors_per_cluster in the boot sector
  ntfs: bound $AttrDef table walk to the loaded table size
  ntfs: fix undefined behavior in mft/index record size calculation
  ntfs: treat any nonzero dio zero-range return as an error
  ntfs: fix incorrect MFT record pointer passed to ntfs_attr_record_resize
  ntfs: do not mark the volume clean in sync_fs when errors were recorded
  ntfs: skip free cluster decrement when rollback fails
  ntfs: only count successfully cleared runs when freeing clusters
  ntfs: fix kmap_local leak in write_mft_record_nolock() error paths
  ntfs: return real error from ntfs_non_resident_attr_record_add()
  ntfs: preserve error code in ntfs_resident_attr_record_add()
  ...
This commit is contained in:
Linus Torvalds 2026-09-03 08:10:04 -07:00
commit 97be98b94d
13 changed files with 196 additions and 127 deletions
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