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ZTS: add regression test for #17180

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In #17180, we fixed an interesting bug that i believe i hit in one of my
pools, but as far as i can tell, there was no test for it.

this patch adds a regression test for #17180, minimised from my attempts
to reproduce the bug in a way that resembled the history of my pool.

Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Adam Moss <c@yotes.com>
Signed-off-by: delan azabani <dazabani@igalia.com>
Closes #18109
This commit is contained in:
shuppy 2026-01-07 01:33:03 +08:00 committed by GitHub
parent 2dbd6af5e4
commit 6eef5cdc94
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3 changed files with 64 additions and 1 deletions
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3
tests/runfiles/common.run
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@ -82,7 +82,8 @@ tests = ['block_cloning_clone_mmap_cached',
'block_cloning_copyfilerange_fallback_same_txg',
'block_cloning_replay', 'block_cloning_replay_encrypted',
'block_cloning_lwb_buffer_overflow', 'block_cloning_clone_mmap_write',
'block_cloning_rlimit_fsize', 'block_cloning_large_offset']
'block_cloning_rlimit_fsize', 'block_cloning_large_offset',
'block_cloning_after_device_removal']
tags = ['functional', 'block_cloning']
[tests/functional/bootfs]

1
tests/zfs-tests/tests/Makefile.am
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@ -491,6 +491,7 @@ nobase_dist_datadir_zfs_tests_tests_SCRIPTS += \
functional/block_cloning/block_cloning_lwb_buffer_overflow.ksh \
functional/block_cloning/block_cloning_rlimit_fsize.ksh \
functional/block_cloning/block_cloning_large_offset.ksh \
functional/block_cloning/block_cloning_after_device_removal.ksh \
functional/bootfs/bootfs_001_pos.ksh \
functional/bootfs/bootfs_002_neg.ksh \
functional/bootfs/bootfs_003_pos.ksh \

61
tests/zfs-tests/tests/functional/block_cloning/block_cloning_after_device_removal.ksh Executable file
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@ -0,0 +1,61 @@
#!/bin/ksh -p
# SPDX-License-Identifier: CDDL-1.0
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/block_cloning/block_cloning.kshlib
#
# DESCRIPTION:
# Verify that when modifying and freeing cloned blocks after a top-level
# vdev removal, there is no panic. This is a regression test for #17180.
#
verify_runnable "global"
export VDIR=$TEST_BASE_DIR/disk-bclone
export VDEV="$VDIR/0 $VDIR/1"
log_must rm -rf $VDIR
log_must mkdir -p $VDIR
log_must truncate -s $MINVDEVSIZE $VDEV
claim="No panic when destroying dataset with cloned blocks after top-level vdev removal"
log_assert $claim
function cleanup
{
datasetexists $TESTPOOL && destroy_pool $TESTPOOL
rm -rf $TESTDIR $VDIR
}
log_onexit cleanup
log_must zpool create -o feature@block_cloning=enabled $TESTPOOL $VDEV
log_must dd if=/dev/urandom of=/$TESTPOOL/file bs=16M count=2
log_must zpool remove -w $TESTPOOL $VDIR/1
log_must zfs create $TESTPOOL/$TESTFS
log_must clonefile -f /$TESTPOOL/file /$TESTPOOL/$TESTFS/file
log_must dd if=/dev/urandom of=/$TESTPOOL/file bs=16M count=2
log_must zfs destroy -r $TESTPOOL/$TESTFS
log_pass $claim