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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:42:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:42:50 +0000 |
commit | 8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch) | |
tree | a9b2e7baeca1be40eb734371e3c8b11b02294497 /tests/ts/mount/rlimit | |
parent | Initial commit. (diff) | |
download | util-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.tar.xz util-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.zip |
Adding upstream version 2.33.1.upstream/2.33.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ts/mount/rlimit')
-rwxr-xr-x | tests/ts/mount/rlimit | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tests/ts/mount/rlimit b/tests/ts/mount/rlimit new file mode 100755 index 0000000..9564d70 --- /dev/null +++ b/tests/ts/mount/rlimit @@ -0,0 +1,93 @@ +#!/bin/bash + +# +# Copyright (C) 2007 Karel Zak <kzak@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. +# + +# +# The /etc/mtab file should not be modified if RLIMIT_FSIZE (ulimit -f) +# is too low, otherwise the file could be corrupted (incomplete write). +# The [u]mount(8) has to block SIGXFSZ and check if all writes and fflush +# calls are successful. +# + +TS_TOPDIR="${0%/*}/../.." +TS_DESC="rlimit-fsize" + +. $TS_TOPDIR/functions.sh +ts_init "$*" + +ts_check_test_command "$TS_CMD_MOUNT" +ts_check_test_command "$TS_CMD_UMOUNT" +ts_check_test_command "$TS_HELPER_MD5" + +ts_skip_nonroot +ts_check_losetup +ts_check_prog "mkfs.ext3" + +has_mtab=$( ts_has_mtab_support ) +[ "$has_mtab" == "yes" ] || ts_skip "mtab unsupported" + +[ -L /etc/mtab ] && ts_skip "mtab is symlink" +[ "$(stat --format '%s' /etc/mtab)" -gt "1024" ] || ts_skip "mtab is too small" + +function mtab_checksum() +{ + "$TS_HELPER_MD5" < /etc/mtab +} + +ts_device_init +DEVICE=$TS_LODEV + +mkfs.ext3 $DEVICE &> /dev/null || ts_die "Cannot make ext3 on $DEVICE" + + +ts_init_subtest "mount" +OLD_SUM=$(mtab_checksum) +[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT +( + ulimit -f 1 + $TS_CMD_MOUNT $DEVICE $TS_MOUNTPOINT +) &> /dev/null +NEW_SUM=$(mtab_checksum) +[ $NEW_SUM = $OLD_SUM ] && echo "OK: mtab unmodified by mount" >> $TS_OUTPUT +ts_is_mounted $DEVICE || ts_die "Cannot find $DEVICE in /proc/mounts" +$TS_CMD_UMOUNT $TS_MOUNTPOINT &> /dev/null +ts_is_mounted $DEVICE && ts_die "$DEVICE is still mounted" +ts_finalize_subtest + + +ts_init_subtest "umount" +[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT +$TS_CMD_MOUNT $DEVICE $TS_MOUNTPOINT &> /dev/null +ts_is_mounted $DEVICE || ts_die "Cannot find $DEVICE in /proc/mounts" +OLD_SUM=$(mtab_checksum) +( + ulimit -f 1 + $TS_CMD_UMOUNT $TS_MOUNTPOINT &> /dev/null +) &> /dev/null +NEW_SUM=$(mtab_checksum) +[ $NEW_SUM = $OLD_SUM ] && echo "OK: mtab unmodified by umount" >> $TS_OUTPUT +if ts_is_mounted $DEVICE; then + echo "FAIL: $DEVICE is still mounted" >> $TS_OUTPUT + $TS_CMD_UMOUNT $TS_MOUNTPOINT &> /dev/null +else + # repair /etc/mtab + $TS_CMD_UMOUNT --fake $TS_MOUNTPOINT &> /dev/null +fi +ts_finalize_subtest + +ts_log "Success" +ts_finalize |