From 974d2ed5644a258d2b27fe28c989b36fb3bec75c Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 17 Mar 2016 14:22:24 +0100 Subject: 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 --- tests/misc-tests/013-subvolume-sync-crash/test.sh | 49 +++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100755 tests/misc-tests/013-subvolume-sync-crash/test.sh diff --git a/tests/misc-tests/013-subvolume-sync-crash/test.sh b/tests/misc-tests/013-subvolume-sync-crash/test.sh new file mode 100755 index 00000000..c7955269 --- /dev/null +++ b/tests/misc-tests/013-subvolume-sync-crash/test.sh @@ -0,0 +1,49 @@ +#!/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 -- cgit v1.2.3