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btrfs-progs: tests: add 013-subvolume-sync-crash

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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>
This commit is contained in:
David Sterba 2016-03-17 14:22:24 +01:00
parent cdd1bae403
commit 974d2ed564
1 changed files with 49 additions and 0 deletions
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49
tests/misc-tests/013-subvolume-sync-crash/test.sh Executable file
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#!/bin/bash
#
# Verify that subovolume sync waits until the subvolume is cleaned and does not
# crash at the end
source $TOP/tests/common
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
run_check truncate -s 2G $IMAGE
run_check $TOP/mkfs.btrfs -f $IMAGE
run_check $SUDO_HELPER mount $IMAGE $TEST_MNT
run_check $SUDO_HELPER chmod a+rw $TEST_MNT
cd $TEST_MNT
for i in `seq 5`; do
run_check dd if=/dev/zero of=file$i bs=1M count=10
done
# 128 is minimum
for sn in `seq 130`;do
run_check $SUDO_HELPER $TOP/btrfs subvolume snapshot . snap$sn
for i in `seq 10`; do
run_check dd if=/dev/zero of=snap$sn/file$i bs=1M count=1
done
done
run_check $SUDO_HELPER $TOP/btrfs subvolume list .
run_check $SUDO_HELPER $TOP/btrfs subvolume list -d .
idtodel=`run_check_stdout $SUDO_HELPER $TOP/btrfs inspect-internal rootid snap3`
# delete, sync after some time
run_check $SUDO_HELPER $TOP/btrfs subvolume delete -c snap*
{ sleep 5; run_check $TOP/btrfs filesystem sync $TEST_MNT; } &
run_check $SUDO_HELPER $TOP/btrfs subvolume sync .
run_check $TOP/btrfs filesystem sync $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs subvolume list -d .
wait
cd ..
run_check $SUDO_HELPER umount $TEST_MNT