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99be907838
* tests/Coreutils.pm: Add function to make limits available * tests/test-lib.sh: ditto * tests/misc/join: Check for both SIZE_OFLOW and UINTMAX_OFLOW rather than using arbitrary 2^128 * tests/misc/sort: ditto * tests/misc/uniq: ditto * tests/misc/printf: Check for both INT_OFLOW and INT_UFLOW rather than using arbitrary -2^31 * tests/misc/seq-long-double: Check for INTMAX_OFLOW rather than using arbitrary 2^63 * tests/misc/split-fail: Check --lines --bytes and --line-bytes options limits on all platforms. Note getlimits obviates the need to use expr to check if 32 bit integers are supported, which I think was invalid anyway as expr now supports bignum? * tests/misc/test: Check for UINTMAX_OFLOW rather than using arbitrary 2^64 and 2^128. Check for INTMAX_UFLOW rather than using arbitrary -2^64 * tests/misc/timeout-parameters: Check for UINT_OFLOW rather than using arbitrary 2^32 * tests/misc/truncate-overflow: Don't depend on truncate to determine if we're on a 32 or 64 bit platform and instead use the various OFF_T limits * tests/misc/sort-merge: Check for UINTMAX_OFLOW rather than using arbitrary 2^64+1 * tests/misc/unexpand: ditto
45 lines
1.2 KiB
Bash
Executable File
45 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Validate truncate integer overflow
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# Copyright (C) 2008 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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truncate --version
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fi
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. $srcdir/test-lib.sh
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getlimits_
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fail=0
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# -= overflow
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truncate -s-1 create-zero-len-file || fail=1
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echo > non-empty-file
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# signed overflow
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truncate -s$OFF_T_OFLOW file && fail=1
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# += signed overflow
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truncate -s+$OFF_T_MAX non-empty-file && fail=1
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# *= signed overflow
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IO_BLOCK_OFLOW=$(expr $OFF_T_MAX / $(stat -f -c%s .) + 1)
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truncate --io-blocks --size=$IO_BLOCK_OFLOW file && fail=1
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Exit $fail
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