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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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8cbf22b3dc
The typo in the description shows up in test logs and output. This patch submission is part of my application to the Linux Foundation mentorship program: Linux kernel Bug Fixing Spring Unpaid 2024. Signed-off-by: Ali Zahraee <ahzahraee@gmail.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
115 lines
2.8 KiB
Bash
115 lines
2.8 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Test file and directory ownership changes for eventfs
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original_group=`stat -c "%g" .`
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original_owner=`stat -c "%u" .`
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mount_point=`stat -c '%m' .`
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mount_options=`mount | grep "$mount_point" | sed -e 's/.*(\(.*\)).*/\1/'`
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# find another owner and group that is not the original
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other_group=`tac /etc/group | grep -v ":$original_group:" | head -1 | cut -d: -f3`
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other_owner=`tac /etc/passwd | grep -v ":$original_owner:" | head -1 | cut -d: -f3`
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# Remove any group ownership already
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new_options=`echo "$mount_options" | sed -e "s/gid=[0-9]*/gid=$other_group/"`
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if [ "$new_options" = "$mount_options" ]; then
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new_options="$mount_options,gid=$other_group"
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mount_options="$mount_options,gid=$original_group"
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fi
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canary="events/timer events/timer/timer_cancel events/timer/timer_cancel/format"
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test() {
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file=$1
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test_group=$2
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owner=`stat -c "%u" $file`
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group=`stat -c "%g" $file`
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echo "testing $file $owner=$original_owner and $group=$test_group"
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if [ $owner -ne $original_owner ]; then
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exit_fail
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fi
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if [ $group -ne $test_group ]; then
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exit_fail
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fi
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# Note, the remount does not update ownership so test going to and from owner
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echo "test owner $file to $other_owner"
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chown $other_owner $file
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owner=`stat -c "%u" $file`
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if [ $owner -ne $other_owner ]; then
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exit_fail
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fi
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chown $original_owner $file
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owner=`stat -c "%u" $file`
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if [ $owner -ne $original_owner ]; then
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exit_fail
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fi
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}
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run_tests() {
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for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
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test "$d" $other_group
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done
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chgrp $original_group events
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test "events" $original_group
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for d in "." "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
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test "$d" $other_group
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done
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chgrp $original_group events/sched
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test "events/sched" $original_group
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for d in "." "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
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test "$d" $other_group
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done
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chgrp $original_group events/sched/sched_switch
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test "events/sched/sched_switch" $original_group
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for d in "." "events/sched/sched_switch/enable" $canary; do
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test "$d" $other_group
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done
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chgrp $original_group events/sched/sched_switch/enable
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test "events/sched/sched_switch/enable" $original_group
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for d in "." $canary; do
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test "$d" $other_group
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done
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}
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mount -o remount,"$new_options" .
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run_tests
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mount -o remount,"$mount_options" .
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for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
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test "$d" $original_group
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done
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# check instances as well
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chgrp $other_group instances
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instance="$(mktemp -u test-XXXXXX)"
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mkdir instances/$instance
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cd instances/$instance
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run_tests
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cd ../..
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rmdir instances/$instance
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chgrp $original_group instances
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exit 0
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