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Properly release key in spa_keystore_dsl_key_hold_dd() #16567

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merged 1 commit into from
Sep 25, 2024

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@amotin amotin commented Sep 24, 2024

Since dsl_crypto_key_open() references the key, 0d23f5e should have called dsl_crypto_key_rele() to drop it first instead of calling dsl_crypto_key_free() directly. The final result should actually be the same, but without triggering dck_holds assertion.

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Performance enhancement (non-breaking change which improves efficiency)
  • Code cleanup (non-breaking change which makes code smaller or more readable)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Library ABI change (libzfs, libzfs_core, libnvpair, libuutil and libzfsbootenv)
  • Documentation (a change to man pages or other documentation)

Checklist:

Since dsl_crypto_key_open() references the key, 0d23f5e should
have called dsl_crypto_key_rele() to drop it first instead of
calling dsl_crypto_key_free() directly.  The final result should
actually be the same, but without triggering dck_holds assertion.

Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
@amotin amotin requested a review from behlendorf September 24, 2024 22:51
@behlendorf behlendorf added the Status: Accepted Ready to integrate (reviewed, tested) label Sep 24, 2024
@behlendorf behlendorf merged commit 48d1be2 into openzfs:master Sep 25, 2024
15 of 20 checks passed
@amotin amotin deleted the key_hold branch September 25, 2024 15:52
ixhamza pushed a commit to truenas/zfs that referenced this pull request Nov 11, 2024
Since dsl_crypto_key_open() references the key, 0d23f5e should
have called dsl_crypto_key_rele() to drop it first instead of
calling dsl_crypto_key_free() directly.  The final result should
actually be the same, but without triggering dck_holds assertion.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes openzfs#16567
ptr1337 pushed a commit to CachyOS/zfs that referenced this pull request Nov 14, 2024
Since dsl_crypto_key_open() references the key, 0d23f5e should
have called dsl_crypto_key_rele() to drop it first instead of
calling dsl_crypto_key_free() directly.  The final result should
actually be the same, but without triggering dck_holds assertion.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes openzfs#16567
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2 participants