linux/Documentation
Linus Torvalds fe75a21824 - Fix DM integrity crash if "recalculate" used without "internal_hash"
- Fix DM integrity "recalculate" support to prevent recalculating
   checksums if we use internal_hash or journal_hash with a key
   (e.g. HMAC). Use of crypto as a means to prevent malicious
   corruption requires further changes and was never a design goal for
   dm-integrity's primary usecase of detecting accidental corruption.
 
 - Fix a benign dm-crypt copy-and-paste bug introduced as part of a
   fix that was merged for 5.11-rc4.
 
 - Fix DM core's dm_get_device() to avoid filesystem lookup to get
   block device (if possible).
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Merge tag 'for-5.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix DM integrity crash if "recalculate" used without "internal_hash"

 - Fix DM integrity "recalculate" support to prevent recalculating
   checksums if we use internal_hash or journal_hash with a key (e.g.
   HMAC). Use of crypto as a means to prevent malicious corruption
   requires further changes and was never a design goal for
   dm-integrity's primary usecase of detecting accidental corruption.

 - Fix a benign dm-crypt copy-and-paste bug introduced as part of a fix
   that was merged for 5.11-rc4.

 - Fix DM core's dm_get_device() to avoid filesystem lookup to get block
   device (if possible).

* tag 'for-5.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: avoid filesystem lookup in dm_get_dev_t()
  dm crypt: fix copy and paste bug in crypt_alloc_req_aead
  dm integrity: conditionally disable "recalculate" feature
  dm integrity: fix a crash if "recalculate" used without "internal_hash"
2021-01-22 14:31:00 -08:00
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