tests/generic/495

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2018 Facebook.  All Rights Reserved.
   4 #
   5 # FS QA Test 495
   6 #
   7 # Test invalid swap files.
   8 #
   9 seq=`basename $0`
  10 seqres=$RESULT_DIR/$seq
  11 echo "QA output created by $seq"
  12
  13 here=`pwd`
  14 tmp=/tmp/$$
  15 status=1        # failure is the default!
  16 trap "_cleanup; exit \$status" 0 1 2 3 15
  17
  18 _cleanup()
  19 {
  20         cd /
  21         rm -f $tmp.*
  22 }
  23
  24 # get standard environment, filters and checks
  25 . ./common/rc
  26 . ./common/filter
  27
  28 # remove previous $seqres.full before test
  29 rm -f $seqres.full
  30
  31 _supported_fs generic
  32 _supported_os Linux
  33 _require_scratch_swapfile
  34 _require_test_program mkswap
  35 _require_test_program swapon
  36
  37 _scratch_mkfs >> $seqres.full 2>&1
  38 _scratch_mount
  39
  40 echo "File with holes"
  41 # We can't use _format_swapfile because we're using our custom mkswap and
  42 # swapon.
  43 touch "$SCRATCH_MNT/swap"
  44 $CHATTR_PROG +C "$SCRATCH_MNT/swap" >> $seqres.full 2>&1
  45 chmod 0600 "$SCRATCH_MNT/swap"
  46 $XFS_IO_PROG -c "truncate $(($(get_page_size) * 10))" "$SCRATCH_MNT/swap"
  47 "$here/src/mkswap" "$SCRATCH_MNT/swap"
  48 "$here/src/swapon" "$SCRATCH_MNT/swap"
  49 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
  50
  51 echo "Empty swap file (only swap header)"
  52 rm -f "$SCRATCH_MNT/swap"
  53 touch "$SCRATCH_MNT/swap"
  54 $CHATTR_PROG +C "$SCRATCH_MNT/swap" >> $seqres.full 2>&1
  55 chmod 0600 "$SCRATCH_MNT/swap"
  56 _pwrite_byte 0x61 0 $(get_page_size) "$SCRATCH_MNT/swap" >> $seqres.full
  57 "$here/src/mkswap" "$SCRATCH_MNT/swap"
  58 "$here/src/swapon" "$SCRATCH_MNT/swap"
  59 swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
  60
  61 status=0
  62 exit