From: Xiong Murphy Zhou Date: Thu, 9 Aug 2018 07:53:53 +0000 (+0800) Subject: generic: show locks info owned by dead process X-Git-Tag: v2022.05.01~1437 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c2c34214652a49aadce6349f6aa4d0955c82801e;p=users%2Fhch%2Fxfstests-dev.git generic: show locks info owned by dead process Regression test case for kernel patchset: fs/lock: show locks info owned by dead/invisible processes Open new fd by exec shell built-in, then require exclusive lock by flock(1) command. Checking /proc/locks for the lock info. This patchset post by Konstantin Khorenko has not been merged v4.18-rc8. [Eryu: require $FLOCK_PROG and add more comments] Signed-off-by: Xiong Murphy Zhou Reviewed-by: Eryu Guan Signed-off-by: Eryu Guan --- diff --git a/tests/generic/504 b/tests/generic/504 new file mode 100755 index 000000000..c7d015db0 --- /dev/null +++ b/tests/generic/504 @@ -0,0 +1,59 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 RedHat Inc. All Rights Reserved. +# +# FS QA Test 504 +# +# Regression test case for kernel patch: +# fs/lock: skip lock owner pid translation in case we are in init_pid_ns +# +# Open new fd by exec shell built-in, then require exclusive lock +# by flock(1) command. Checking /proc/locks for the lock info. +# +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 + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_test +_require_command "$FLOCK_PROG" "flock" + +# Create test file and find its inode NO. +testfile=$TEST_DIR/flock_testfile_$seq +touch $testfile +tf_inode=$(stat -c %i $testfile) +echo inode $tf_inode >> $seqres.full + +# Create new fd by exec +exec 9> $testfile +# flock locks the fd then exits, we should see the lock info even the owner is dead +flock -x 9 +cat /proc/locks >> $seqres.full + +# Checking +grep -qw $tf_inode /proc/locks || echo "lock info not found" + +# success, all done +status=0 +echo "Silence is golden" +exit diff --git a/tests/generic/504.out b/tests/generic/504.out new file mode 100644 index 000000000..d46394b82 --- /dev/null +++ b/tests/generic/504.out @@ -0,0 +1,2 @@ +QA output created by 504 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 79a5705a8..55155de8b 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -506,3 +506,4 @@ 501 auto quick clone log 502 auto quick log 503 auto quick dax punch collapse zero +504 auto quick locks