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btrfs-progs: tests: add 013-subvolume-sync-crash
Test for "btrfs-progs: subvol sync: fix memory corruption, undersized array", a lot of deleted subvolumes in the 'subvol sync' will not fit into the array, should result in a glibc report. Signed-off-by: David Sterba <dsterba@suse.com>
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tests/misc-tests/013-subvolume-sync-crash/test.sh
Executable file
49
tests/misc-tests/013-subvolume-sync-crash/test.sh
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#!/bin/bash
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#
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# Verify that subovolume sync waits until the subvolume is cleaned and does not
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# crash at the end
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source $TOP/tests/common
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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run_check truncate -s 2G $IMAGE
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run_check $TOP/mkfs.btrfs -f $IMAGE
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run_check $SUDO_HELPER mount $IMAGE $TEST_MNT
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run_check $SUDO_HELPER chmod a+rw $TEST_MNT
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cd $TEST_MNT
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for i in `seq 5`; do
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run_check dd if=/dev/zero of=file$i bs=1M count=10
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done
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# 128 is minimum
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for sn in `seq 130`;do
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run_check $SUDO_HELPER $TOP/btrfs subvolume snapshot . snap$sn
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for i in `seq 10`; do
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run_check dd if=/dev/zero of=snap$sn/file$i bs=1M count=1
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done
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done
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run_check $SUDO_HELPER $TOP/btrfs subvolume list .
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run_check $SUDO_HELPER $TOP/btrfs subvolume list -d .
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idtodel=`run_check_stdout $SUDO_HELPER $TOP/btrfs inspect-internal rootid snap3`
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# delete, sync after some time
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run_check $SUDO_HELPER $TOP/btrfs subvolume delete -c snap*
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{ sleep 5; run_check $TOP/btrfs filesystem sync $TEST_MNT; } &
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run_check $SUDO_HELPER $TOP/btrfs subvolume sync .
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run_check $TOP/btrfs filesystem sync $TEST_MNT
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run_check $SUDO_HELPER $TOP/btrfs subvolume list -d .
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wait
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cd ..
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run_check $SUDO_HELPER umount $TEST_MNT
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