git: c5eb93ef57f4 - stable/14 - zfs: cherry-pick change from master
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Date: Wed, 01 Nov 2023 09:29:46 UTC
The branch stable/14 has been updated by mm: URL: https://cgit.FreeBSD.org/src/commit/?id=c5eb93ef57f4905f7aea9566ab45be1a75ada150 commit c5eb93ef57f4905f7aea9566ab45be1a75ada150 Author: Martin Matuska <mm@FreeBSD.org> AuthorDate: 2023-10-31 20:49:41 +0000 Commit: Martin Matuska <mm@FreeBSD.org> CommitDate: 2023-11-01 09:29:34 +0000 zfs: cherry-pick change from master #15465 763ca47f Fix block cloning between unencrypted and encrypted datasets Fixes a kernel panic when block cloning is enabled and system is trying to read data from a file copied using copy_file_range(2), e.g. with cp(1) from an unencrypted dataset into an encrypted dataset on the same ZFS pool. As the file has not been encrypted, to fix the filesystem inconsistency and to avoid future panics it must be deleted (metadata is readable). Obtained from: OpenZFS OpenZFS commit: 763ca47fa81808be62ab5e02357e896233f24abc --- sys/contrib/openzfs/module/zfs/zfs_vnops.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sys/contrib/openzfs/module/zfs/zfs_vnops.c b/sys/contrib/openzfs/module/zfs/zfs_vnops.c index 40d6c87a754e..84e6b10ef37c 100644 --- a/sys/contrib/openzfs/module/zfs/zfs_vnops.c +++ b/sys/contrib/openzfs/module/zfs/zfs_vnops.c @@ -1094,6 +1094,15 @@ zfs_clone_range(znode_t *inzp, uint64_t *inoffp, znode_t *outzp, ASSERT(!outzfsvfs->z_replay); + /* + * Block cloning from an unencrypted dataset into an encrypted + * dataset and vice versa is not supported. + */ + if (inos->os_encrypted != outos->os_encrypted) { + zfs_exit_two(inzfsvfs, outzfsvfs, FTAG); + return (SET_ERROR(EXDEV)); + } + error = zfs_verify_zp(inzp); if (error == 0) error = zfs_verify_zp(outzp);