From 974ab3dd887985e3aa347f3c6521f819296396a0 Mon Sep 17 00:00:00 2001 From: Igor Pashev Date: Sat, 16 Feb 2013 14:42:43 +0000 Subject: Imported Upstream version 8.21 --- tests/misc/truncate-overflow.sh | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100755 tests/misc/truncate-overflow.sh (limited to 'tests/misc/truncate-overflow.sh') diff --git a/tests/misc/truncate-overflow.sh b/tests/misc/truncate-overflow.sh new file mode 100755 index 00000000..dd0fc730 --- /dev/null +++ b/tests/misc/truncate-overflow.sh @@ -0,0 +1,39 @@ +#!/bin/sh +# Validate truncate integer overflow + +# Copyright (C) 2008-2013 Free Software Foundation, Inc. + +# This program 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 3 of the License, or +# (at your option) any later version. + +# This program 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. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ truncate +getlimits_ + + +# -= overflow +truncate -s-1 create-zero-len-file || fail=1 + +echo > non-empty-file + +# signed overflow +truncate -s$OFF_T_OFLOW file && fail=1 + +# += signed overflow +truncate -s+$OFF_T_MAX non-empty-file && fail=1 + +# *= signed overflow +IO_BLOCK_OFLOW=$(expr $OFF_T_MAX / $(stat -f -c%s .) + 1) +truncate --io-blocks --size=$IO_BLOCK_OFLOW file && fail=1 + +Exit $fail -- cgit v1.2.3