tests/misc/ptx-overrun

   1 #!/bin/sh
   2 # Trigger a heap-clobbering bug in ptx from coreutils-6.10 and earlier.
   3
   4 # Copyright (C) 2008-2011 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  20 print_ver_ ptx
  21
  22 # Using a long file name makes an abort more likely.
  23 # Even with no file name, valgrind detects the buffer overrun.
  24 f=01234567890123456789012345678901234567890123456789
  25 touch $f empty || framework_failure
  26
  27
  28 # Specifying a regular expression ending in a lone backslash
  29 # would cause ptx to write beyond the end of a malloc'd buffer.
  30 ptx -F '\'      $f < /dev/null  > out || fail=1
  31 ptx -S 'foo\'   $f < /dev/null >> out || fail=1
  32 ptx -W 'bar\\\' $f < /dev/null >> out || fail=1
  33 compare out empty || fail=1
  34
  35 Exit $fail