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Changes since last update:

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- Fix the missing sysfs feature entry for xattr prefixes
 
  - Fix invalid LZMA decoders on resize failure
 
  - Disable LZ4 rolling decompression for now due to the uncontrolled
    LZ4 implementation
 
  - Rearrange the inode_share cache key to avoid potential collisions
 
  - Fix erofs_bread() when fsoffset is used on sub-page-block EROFS
    filesystems
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Merge tag 'erofs-for-7.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "The most impactful fix here is to disable LZ4 rolling decompression
  for now.

  AWS folks recently found their systems could get corrupted data with
  some rare, specific LZ4 datasets, and after a deeper analysis, I found
  the root cause is that there could be uncontrolled backward memory
  copies in the current LZ4 implementation and it breaks the assumption
  of the rolling decompression optimization, since the kernel LZ4
  codebase is out of our control and it needs more time to plan how to
  do next, so disable LZ4 rolling decompression for now to ensure data
  correctness for real production on these rare cases first. The
  technical details also see the corresponding commit.

  Other changes are random minor fixes.

  Summary:

   - Disable LZ4 rolling decompression for now due to the uncontrolled
     LZ4 implementation

   - Fix missing sysfs feature entry for xattr prefixes

   - Fix invalid LZMA decoders on resize failure

   - Rearrange the inode_share cache key to avoid potential collisions

   - Fix erofs_bread() when fsoffset is used on sub-page-block EROFS
     filesystems"

* tag 'erofs-for-7.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: add missing buf->off in erofs_bread()
  erofs: delimit inode_share cache key components
  erofs: disable LZ4 rolling decompression for now
  erofs: preserve LZMA decoders on resize failure
  erofs: add sysfs feature entry for xattr prefixes
This commit is contained in:
Linus Torvalds 2026-09-12 08:18:50 -07:00
commit 4d85a45df0
8 changed files with 39 additions and 73 deletions
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