| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017 Ernesto A. Fernandez. All Rights Reserved. |
| # |
| # FS QA Test 449 |
| # |
| # Fill the device and set as many extended attributes to a file as |
| # possible. Then call setfacl on it and, if this fails for lack of |
| # space, test that the permissions remain the same. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/attr |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| |
| # Modify as appropriate. |
| _supported_fs generic |
| _require_scratch |
| _require_test |
| _require_acls |
| _require_attrs trusted |
| |
| _scratch_mkfs_sized $((256 * 1024 * 1024)) >> $seqres.full 2>&1 |
| _scratch_mount || _fail "mount failed" |
| |
| TFILE=$SCRATCH_MNT/testfile.$seq |
| |
| # Create the test file and choose its permissions |
| touch $TFILE |
| chmod u+rwx $TFILE |
| chmod go-rwx $TFILE |
| |
| # Try to run out of space so setfacl will fail |
| $XFS_IO_PROG -c "pwrite 0 256m" $TFILE >>$seqres.full 2>&1 |
| i=1 |
| |
| # Setting acls on an xfs filesystem will succeed even after running out of |
| # space for user attributes. Use trusted attributes |
| while $SETFATTR_PROG -n trusted.$i -v $(perl -e 'print "a"x1024') $TFILE &>/dev/null; do |
| ((++i)) |
| done |
| j=1 |
| ret=0 |
| while [ $ret -eq 0 ]; do |
| ret=1 |
| while [ $j -le 1000 ]; do |
| # On btrfs, setfattr will sometimes fail when free space is |
| # low, long before it's actually exhausted. Insist until it |
| # fails consistently. |
| $SETFATTR_PROG -n trusted.$i"x"$j $TFILE &>/dev/null |
| ret=$(( $ret && $? )) |
| ((++j)) |
| done |
| j=1 |
| ((++i)) |
| done |
| |
| if setfacl -m m:r $TFILE &>/dev/null; then |
| # setfacl succeeded, so the test was meaningless |
| # The filesystem might still have an issue |
| _notrun "$FSTYP succeeds in setting acls despite running out of space for user attrs" |
| fi |
| |
| # Since setfacl failed, the permissions should not have changed |
| stat -c %A $TFILE |
| |
| status=0 |
| exit |