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eCryptfs updates for 7.3-rc1

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The set of eCryptfs changes for the 7.3-rc1 merge window consists of:
 - Hardening and fixes for maliciously crafted eCryptfs metadata in the
   lower encrypted file
 - Hardening and fixes for maliciously crafted userspace <-> kernel
   miscdev communications
 - Locking fixes for userspace <-> kernel miscdev communications
 - Fix to display encrypted filename related mount options
 - Clean up address_space_operations and reduce build dependencies by
   moving to filemap_dirty_folio()
 - Get rid of an unnecessary memory allocation in the inode update path
 - Kernel-doc formatting corrections
 
 The patches have all spent time in linux-next and they pass all tests in
 the ecryptfs-utils tree. I did manual validation of the miscdev fixes
 since we don't have test coverage for that feature.
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Merge tag 'ecryptfs-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs

Pull eCryptfs updates from Tyler Hicks:

 - Hardening and fixes for maliciously crafted eCryptfs metadata in the
   lower encrypted file

 - Hardening and fixes for maliciously crafted userspace <-> kernel
   miscdev communications

 - Locking fixes for userspace <-> kernel miscdev communications

 - Fix to display encrypted filename related mount options

 - Clean up address_space_operations and reduce build dependencies by
   moving to filemap_dirty_folio()

 - Get rid of an unnecessary memory allocation in the inode update path

 - Kernel-doc formatting corrections

* tag 'ecryptfs-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
  ecryptfs: ecryptfs_kernel.h: clean up kernel-doc comments
  ecryptfs: use filemap_dirty_folio for address space operations
  ecryptfs: avoid heap allocation for inode size write
  ecryptfs: show filename encryption options
  eCryptfs: bound the packet-length peek to the user buffer
  ecryptfs: reject too-small tag 70 packets
  ecryptfs: fix tag 11 packet exact-fit size check
  ecryptfs: pass packet set buffer size to parser
  ecryptfs: hold msg ctx list lock when cleaning daemon queue
  ecryptfs: release message context on send failure
  ecryptfs: reject oversized encrypted_key_size in parse_tag_3_packet
This commit is contained in:
Linus Torvalds 2026-08-21 12:32:01 -07:00
commit af33c5a2a9
7 changed files with 73 additions and 42 deletions
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