12 files changed, 728 insertions, 0 deletions

diff --git a/tests/ts/lsfd/column-kthread b/tests/ts/lsfd/column-kthread
new file mode 100755
index 0000000..9fd10bf
--- /dev/null
+++ b/tests/ts/lsfd/column-kthread
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="kthread column"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+ts_skip_nonroot
+
+ts_check_test_command "$TS_CMD_LSFD"
+ts_check_prog "ps"
+
+[ "$(ps --no-headers -o comm 1)" = 'systemd'  ] || ts_skip "pid 1 is not systemd"
+[ "$(ps --no-headers -o comm 2)" = 'kthreadd' ] || ts_skip "pid 2 is not kthreadd"
+
+ts_cd "$TS_OUTDIR"
+
+{
+    "$TS_CMD_LSFD" -o COMMAND,PID,USER,MODE,TYPE,NAME,KTHREAD \
+		   -Q '(PID < 3) and ((ASSOC == "cwd") or (ASSOC == "rtd"))'
+    echo $?
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
+
+
diff --git a/tests/ts/lsfd/lsfd-functions.bash b/tests/ts/lsfd/lsfd-functions.bash
new file mode 100644
index 0000000..b57ba11
--- /dev/null
+++ b/tests/ts/lsfd/lsfd-functions.bash
@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+function lsfd_wait_for_pausing {
+	ts_check_prog "sleep"
+
+	local PID=$1
+	until [[ $(ps --no-headers -ostat "${PID}") =~ S.* ]]; do
+		sleep 1
+	done
+}
+
+function lsfd_compare_dev {
+    local LSFD=$1
+    local FILE=$2
+    local EXPR=$3
+
+    ts_check_prog "grep"
+    ts_check_prog "expr"
+    ts_check_prog "stat"
+
+    local DEV=$("${LSFD}" --raw -n -o DEV -Q "${EXPR}")
+    echo 'DEV[RUN]:' $?
+    local MAJ=${DEV%:*}
+    local MIN=${DEV#*:}
+    local DEVNUM=$(( ( MAJ << 8 ) + MIN ))
+    local STAT_DEVNUM=$(stat -c "%d" "$FILE")
+    echo 'STAT[RUN]:' $?
+    if [ "${DEVNUM}" == "${STAT_DEVNUM}" ]; then
+	echo 'DEVNUM[STR]:' 0
+    else
+	echo 'DEVNUM[STR]:' 1
+	# Print more information for debugging
+	echo 'DEV:' "${DEV}"
+	echo 'MAJ:MIN' "${MAJ}:${MIN}"
+	echo 'DEVNUM:' "${DEVNUM}"
+	echo 'STAT_DEVNUM:' "${STAT_DEVNUM}"
+    fi
+}
diff --git a/tests/ts/lsfd/mkfds-directory b/tests/ts/lsfd/mkfds-directory
new file mode 100755
index 0000000..cae5f2a
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-directory
@@ -0,0 +1,87 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="directory"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LSFD"
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_check_prog "stat"
+ts_check_prog "id"
+ts_check_prog "sed"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD=3
+EXPR=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" directory $FD; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "${EXPR}" | {
+	    #
+	    # Normalize the output:
+	    #
+	    # See https://github.com/util-linux/util-linux/issues/1511#issuecomment-1029968595
+	    # It seems that syscalls opening a directory on mips64 GNU/Linux take the
+	    # O_LARGEFILE flag.
+	    #
+	    sed -e 's/largefile,\|,largefile//'
+	}
+	echo 'ASSOC,MODE,TYPE,FLAGS,NAME': $?
+
+	LSFD_PID=$(${TS_CMD_LSFD} --raw -n -o PID -Q "${EXPR}")
+	echo 'PID[RUN]:' $?
+	[ "${LSFD_PID}" == "${PID}" ]
+	echo 'PID[STR]:' $?
+
+	LSFD_INODE=$(${TS_CMD_LSFD} --raw -n -o INODE -Q "${EXPR}")
+	echo 'INODE[RUN]:' $?
+	[ "${LSFD_INODE}"  == "$(stat -c %i /)" ]
+	echo 'INODE[STR]:' $?
+
+	LSFD_UID=$(${TS_CMD_LSFD} --raw -n -o UID -Q "${EXPR}")
+	echo 'UID[RUN]:' $?
+	[ "${LSFD_UID}" == $(id -u) ]
+	echo 'UID[STR]:' $?
+
+	LSFD_USER=$(${TS_CMD_LSFD} --raw -n -o USER -Q "${EXPR}")
+	echo 'USER[RUN]:' $?
+	[ "${LSFD_USER}" == $(id -u -n) ]
+	echo 'USER[STR]:' $?
+
+	LSFD_NLINK=$(${TS_CMD_LSFD} --raw -n -o NLINK -Q "${EXPR}")
+	echo 'NLINK[RUN]:' $?
+	if [ "${LSFD_NLINK}" == $(stat -c %h /) ]; then
+	    echo 'NLINK[STR]:' 0
+	else
+	    echo 'NLINK[STR]:' 1
+	    echo 'LSFD_NLINK:' "${LSFD_NLINK}"
+	    echo 'stat reports:' "$(stat -c %h /)"
+	fi
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-pipe-no-fork b/tests/ts/lsfd/mkfds-pipe-no-fork
new file mode 100755
index 0000000..171b3b8
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-pipe-no-fork
@@ -0,0 +1,73 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="pipe, no fork"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LSFD"
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_check_prog "stat"
+ts_check_prog "readlink"
+
+ts_cd "$TS_OUTDIR"
+
+pipe_name()
+{
+    readlink /proc/$1/fd/$2
+}
+
+pipe_inode()
+{
+    stat -L -c %i /proc/$1/fd/$2
+}
+
+PID=
+FD0=3
+FD1=4
+EXPR=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" pipe-no-fork $FD0 $FD1 nonblock=-w; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and ((FD == '"$FD0"') or (FD =='"$FD1"'))'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,SOURCE,FLAGS -Q "${EXPR}"
+	echo 'ASSOC,MODE,TYPE,SOURCE,FLAGS': $?
+
+	LSFD_PIDS=$(${TS_CMD_LSFD} --raw -n -o PID -Q "${EXPR}")
+	echo 'PID[RUN]:' $?
+	[ "${LSFD_PIDS}" == "$(printf '%d\n%d' ${PID} ${PID})" ]
+	echo 'PID[STR]:' $?
+
+	LSFD_NAMES=$(${TS_CMD_LSFD} --raw -n -o NAME -Q "${EXPR}")
+	echo 'NAMES[RUN]:' $?
+	[ "${LSFD_NAMES}" == "$(printf '%s\n%s' $(pipe_name $PID $FD0) $(pipe_name $PID $FD1))" ]
+	echo 'NAMES[STR]:' $?
+
+	LSFD_INODES=$(${TS_CMD_LSFD} --raw -n -o INODE -Q "${EXPR}")
+	echo 'INODES[RUN]:' $?
+	[ "${LSFD_INODES}" == "$(printf '%d\n%d' $(pipe_inode $PID $FD0) $(pipe_inode $PID $FD1))" ]
+	echo 'INODES[STR]:' $?
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-ro-block-device b/tests/ts/lsfd/mkfds-ro-block-device
new file mode 100755
index 0000000..86c1ba8
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-ro-block-device
@@ -0,0 +1,75 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="block device with O_RDONLY"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+ts_skip_nonroot
+
+. $TS_SELF/lsfd-functions.bash
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_cd "$TS_OUTDIR"
+
+ts_device_init
+LSFD_LOOP_BDEV=$TS_LODEV
+LSFD_LOOP_BDEV_BASENAME=${LSFD_LOOP_BDEV##*/}
+LSFD_LOOP_BDEV_NUM=${LSFD_LOOP_BDEV_BASENAME#loop}
+
+PID=
+FD=3
+EXPR=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" ro-block-device $FD blkdev=${LSFD_LOOP_BDEV}; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,POS,BLKDRV,DEVTYPE -Q "${EXPR}"
+	echo 'ASSOC,MODE,TYPE,,POS,,BLKDRV,DEVTYPE': $?
+
+	LSFD_NAME=$(${TS_CMD_LSFD} --raw -n -o NAME -Q "${EXPR}")
+	echo 'NAME[RUN]:' $?
+	[ "${LSFD_NAME}" == "${LSFD_LOOP_BDEV}" ]
+	echo 'NAME[STR]:' $?
+
+	LSFD_SOURCE=$(${TS_CMD_LSFD} --raw -n -o SOURCE -Q "${EXPR}")
+	echo 'SOURCE[RUN]:' $?
+	[ "${LSFD_SOURCE}" == "${LSFD_LOOP_BDEV_BASENAME}" ]
+	echo 'SOURCE[STR]:' $?
+
+	LSFD_MAJ_MIN=$(${TS_CMD_LSFD} --raw -n -o MAJ:MIN -Q "${EXPR}")
+	echo 'MAJ_MIN[RUN]:' $?
+	[ "${LSFD_MAJ_MIN}" == 7:"${LSFD_LOOP_BDEV_NUM}" ]
+	echo 'MAJ_MIN[STR]:' $?
+
+	LSFD_RDEV=$(${TS_CMD_LSFD} --raw -n -o RDEV -Q "${EXPR}")
+	echo 'RDEV[RUN]:' $?
+	[ "${LSFD_RDEV}" == 7:"${LSFD_LOOP_BDEV_NUM}" ]
+	echo 'RDEV[STR]:' $?
+
+	lsfd_compare_dev "${TS_CMD_LSFD}" "${LSFD_LOOP_BDEV}" "${EXPR}"
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-ro-regular-file b/tests/ts/lsfd/mkfds-ro-regular-file
new file mode 100755
index 0000000..9441a4e
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-ro-regular-file
@@ -0,0 +1,78 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="read-only regular file"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+. $TS_SELF/lsfd-functions.bash
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_check_prog "stat"
+ts_check_prog "id"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD=3
+EXPR=
+
+{
+    target=/etc/passwd
+    coproc MKFDS { "$TS_HELPER_MKFDS" --comm ABC ro-regular-file $FD offset=1 file=$target; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o COMMAND,ASSOC,MODE,TYPE,NAME,POS -Q "${EXPR}"
+	echo 'COMMAND,ASSOC,MODE,TYPE,NAME,POS': $?
+
+	LSFD_PID=$(${TS_CMD_LSFD} --raw -n -o PID -Q "${EXPR}")
+	echo 'PID[RUN]:' $?
+	[ "${LSFD_PID}" == "${PID}" ]
+	echo 'PID[STR]:' $?
+
+	LSFD_INODE=$(${TS_CMD_LSFD} --raw -n -o INODE -Q "${EXPR}")
+	echo 'INODE[RUN]:' $?
+	[ "${LSFD_INODE}"  == "$(stat -c %i $target)" ]
+	echo 'INODE[STR]:' $?
+
+	LSFD_UID=$(${TS_CMD_LSFD} --raw -n -o UID -Q "${EXPR}")
+	echo 'UID[RUN]:' $?
+	[ "${LSFD_UID}" == $(id -u) ]
+	echo 'UID[STR]:' $?
+
+	LSFD_USER=$(${TS_CMD_LSFD} --raw -n -o USER -Q "${EXPR}")
+	echo 'USER[RUN]:' $?
+	[ "${LSFD_USER}" == $(id -u -n) ]
+	echo 'USER[STR]:' $?
+
+	LSFD_SIZE=$(${TS_CMD_LSFD} --raw -n -o SIZE -Q "${EXPR}")
+	echo 'SIZE[RUN]:' $?
+	[ "${LSFD_SIZE}" == $(stat -c %s $target) ]
+	echo 'SIZE[STR]:' $?
+
+	lsfd_compare_dev "${TS_CMD_LSFD}" $target "${EXPR}"
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-rw-character-device b/tests/ts/lsfd/mkfds-rw-character-device
new file mode 100755
index 0000000..4f368f6
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-rw-character-device
@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="character device with O_RDWR"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+. $TS_SELF/lsfd-functions.bash
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD=3
+EXPR=
+
+{
+    target=/dev/zero
+    coproc MKFDS { "$TS_HELPER_MKFDS" rw-character-device $FD chrdev=$target; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV -Q "${EXPR}"
+	echo 'ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV': $?
+
+	lsfd_compare_dev "${TS_CMD_LSFD}" $target "${EXPR}"
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-socketpair b/tests/ts/lsfd/mkfds-socketpair
new file mode 100755
index 0000000..7c0ef7d
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-socketpair
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="AF_UNIX socket pair created with socketpair(2)"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_check_prog "sed"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD0=3
+FD1=4
+EXPR=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" socketpair $FD0 $FD1 socktype=DGRAM; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and ((FD == '"$FD0"') or (FD == '"$FD1"'))'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,SOURCE,PROTONAME -Q "${EXPR}" | sed -e 's/UNIX-DGRAM/UNIX/'
+	echo 'ASSOC,MODE,TYPE,SOURCE,PROTONAME': $?
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/mkfds-symlink b/tests/ts/lsfd/mkfds-symlink
new file mode 100755
index 0000000..e4513d9
--- /dev/null
+++ b/tests/ts/lsfd/mkfds-symlink
@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="symbolic link itself opened with O_PATH"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_check_test_command "$TS_HELPER_MKFDS"
+
+ts_cd "$TS_OUTDIR"
+
+PID=
+FD=3
+EXPR=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" symlink $FD path=/dev/stdin; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
+	${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,NAME,FLAGS -Q "${EXPR}"
+	echo 'ASSOC,MODE,TYPE,NAME,FLAGS': $?
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/option-filter-broken-exp b/tests/ts/lsfd/option-filter-broken-exp
new file mode 100755
index 0000000..58b48e1
--- /dev/null
+++ b/tests/ts/lsfd/option-filter-broken-exp
@@ -0,0 +1,36 @@
+#!/bin/bash
+#
+# Copyright (C) 2022 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="passing broken expressions to -Q option"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_LSFD"
+
+ts_cd "$TS_OUTDIR"
+
+{
+    $TS_CMD_LSFD -Q ''
+    $TS_CMD_LSFD -Q '('
+    $TS_CMD_LSFD -Q ')'
+    $TS_CMD_LSFD -Q '(FD == 1)garbage'
+    $TS_CMD_LSFD -Q 'FD' 
+    $TS_CMD_LSFD -Q 'NOSUCHCOLUMN'
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/option-pid b/tests/ts/lsfd/option-pid
new file mode 100755
index 0000000..65365bf
--- /dev/null
+++ b/tests/ts/lsfd/option-pid
@@ -0,0 +1,80 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="--pid option"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+ts_skip_nonroot
+
+ts_check_test_command "$TS_CMD_LSFD"
+ts_check_test_command "$TS_HELPER_MKFDS"
+ts_check_prog "ps"
+
+ts_cd "$TS_OUTDIR"
+
+[ "$(ps --no-headers -o comm 1)" = 'systemd'  ] || ts_skip "pid 1 is not systemd"
+
+PID=
+FD=3
+EXPR=
+QOUT=
+POUT=
+
+{
+    coproc MKFDS { "$TS_HELPER_MKFDS" ro-regular-file $FD file=/etc/group; }
+    if read -u ${MKFDS[0]} PID; then
+	EXPR='((PID == '"${PID}"') or (PID == 1)) and (FD == '"$FD"')'
+	QOUT=$(${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "${EXPR}")
+	echo "QOUT:" $?
+
+	POUT=$(${TS_CMD_LSFD} --pid="1 $PID" -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[--pid=1 PID]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[--pid=1 PID]:" $?
+
+	POUT=$(${TS_CMD_LSFD} --pid="$PID 1" -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[--pid=PID 1]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[--pid=PID 1]:" $?
+
+	POUT=$(${TS_CMD_LSFD} --pid="1,$PID" -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[--pid=1,PID]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[--pid=1,PID]:" $?
+
+	POUT=$(${TS_CMD_LSFD} --pid="$PID,1" -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[--pid=PID,1]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[--pid=PID,1]:" $?
+
+	POUT=$(${TS_CMD_LSFD} -p 1 --pid="$PID"  -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[-p 1 --pid=PID]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[-p 1 --pid=PID]:" $?
+
+	POUT=$(${TS_CMD_LSFD} -p "$PID" --pid=1  -n -o ASSOC,MODE,TYPE,FLAGS,NAME -Q "(FD == $FD)")
+	echo "POUT[-p PID --pid=1]:" $?
+	[ "${QOUT}" = "${POUT}" ]
+	echo "EQ[-p PID --pid=1]:" $?
+
+	kill -CONT ${PID}
+	wait ${MKFDS_PID}
+    fi
+} > $TS_OUTPUT 2>&1
+
+ts_finalize
diff --git a/tests/ts/lsfd/option-summary b/tests/ts/lsfd/option-summary
new file mode 100755
index 0000000..e27122a
--- /dev/null
+++ b/tests/ts/lsfd/option-summary
@@ -0,0 +1,62 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="--summary option"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+. $TS_SELF/lsfd-functions.bash
+
+ts_check_test_command "$TS_CMD_LSFD"
+ts_check_test_command "$TS_HELPER_MKFDS"
+ts_check_prog "ps"
+
+ts_cd "$TS_OUTDIR"
+
+FD=3
+F_GROUP=/etc/group
+F_PASSWD=/etc/passwd
+PIDS=
+PID=
+
+for i in {1..10}; do
+    "$TS_HELPER_MKFDS" -q ro-regular-file $FD file=$F_GROUP &
+    PID=$!
+    PIDS="${PIDS} ${PID} "
+    lsfd_wait_for_pausing "${PID}"
+done
+
+for i in {1..3}; do
+    "$TS_HELPER_MKFDS" -q ro-regular-file $FD file=$F_PASSWD &
+    PID=$!
+    PIDS="${PIDS} ${PID} "
+    lsfd_wait_for_pausing "${PID}"
+done
+
+${TS_CMD_LSFD} -n --summary=only \
+		 --pid="${PIDS}" \
+		 --counter=GROUP:'(NAME == "/etc/group")' \
+		 --counter=PASSWD:'(NAME == "/etc/passwd")' \
+		 --counter=PROC:'(ASSOC == "exe")' \
+		 > $TS_OUTPUT 2>&1
+
+for PID in ${PIDS}; do
+    kill -CONT "${PID}"
+done
+
+ts_finalize