Accepting request 342139 from home:AndreasStieger:branches:Base:System
GNU grep 2.22 OBS-URL: https://build.opensuse.org/request/show/342139 OBS-URL: https://build.opensuse.org/package/show/Base:System/grep?expand=0&rev=62
This commit is contained in:
Git OBS Bridge
parent
8e2acdccba
commit
1d22e4af0e
@ -1,15 +0,0 @@
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Subject: http://comments.gmane.org/gmane.comp.lib.gnulib.bugs/35272
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Index: grep-2.21/build-aux/update-copyright
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===================================================================
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--- grep-2.21.orig/build-aux/update-copyright
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+++ grep-2.21/build-aux/update-copyright
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@@ -124,7 +124,7 @@ use strict;
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use warnings;
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my $copyright_re = 'Copyright';
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-my $circle_c_re = '(?:\([cC]\)|@copyright{}|©)';
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+my $circle_c_re = '(?:\([cC]\)|@copyright\{}|©)';
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my $holder = $ENV{UPDATE_COPYRIGHT_HOLDER};
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$holder ||= 'Free Software Foundation, Inc.';
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my $prefix_max = 5;
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@ -1,3 +0,0 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:5244a11c00dee8e7e5e714b9aaa053ac6cbfa27e104abee20d3c778e4bb0e5de
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size 1261548
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@ -1,19 +0,0 @@
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hOcmxpUb+Cb6DHuiaxeq
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=dHus
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3
grep-2.22.tar.xz
Normal file
3
grep-2.22.tar.xz
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:ca91d22f017bfcb503d4bc3b44295491c89a33a3df0c3d8b8614f2d3831836eb
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size 1297864
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16
grep-2.22.tar.xz.sig
Normal file
16
grep-2.22.tar.xz.sig
Normal file
@ -0,0 +1,16 @@
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-----BEGIN PGP SIGNATURE-----
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duC+qmM+cb/kX79E3HAy
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=y59/
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-----END PGP SIGNATURE-----
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@ -1,141 +0,0 @@
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From 83a95bd8c8561875b948cadd417c653dbe7ef2e2 Mon Sep 17 00:00:00 2001
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From: Yuliy Pisetsky <ypisetsky@fb.com>
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Date: Thu, 1 Jan 2015 15:36:55 -0800
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Subject: [PATCH] grep -F: fix a heap buffer (read) overrun
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grep's read buffer is often filled to its full size, except when
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reading the final buffer of a file. In that case, the number of
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bytes read may be far less than the size of the buffer. However, for
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certain unusual pattern/text combinations, grep -F would mistakenly
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examine bytes in that uninitialized region of memory when searching
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for a match. With carefully chosen inputs, one can cause grep -F to
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read beyond the end of that buffer altogether. This problem arose via
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commit v2.18-90-g73893ff with the introduction of a more efficient
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heuristic using what is now the memchr_kwset function. The use of
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that function in bmexec_trans could leave TP much larger than EP,
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and the subsequent call to bm_delta2_search would mistakenly access
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beyond end of the main input read buffer.
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* src/kwset.c (bmexec_trans): When TP reaches or exceeds EP,
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do not call bm_delta2_search.
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* tests/kwset-abuse: New file.
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* tests/Makefile.am (TESTS): Add it.
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* THANKS.in: Update.
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* NEWS (Bug fixes): Mention it.
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Prior to this patch, this command would trigger a UMR:
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printf %0360db 0 | valgrind src/grep -F $(printf %019dXb 0)
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Use of uninitialised value of size 8
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at 0x4142BE: bmexec_trans (kwset.c:657)
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by 0x4143CA: bmexec (kwset.c:678)
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by 0x414973: kwsexec (kwset.c:848)
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by 0x414DC4: Fexecute (kwsearch.c:128)
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by 0x404E2E: grepbuf (grep.c:1238)
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by 0x4054BF: grep (grep.c:1417)
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by 0x405CEB: grepdesc (grep.c:1645)
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by 0x405EC1: grep_command_line_arg (grep.c:1692)
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by 0x4077D4: main (grep.c:2570)
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See the accompanying test for how to trigger the heap buffer overrun.
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Thanks to Nima Aghdaii for testing and finding numerous
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ways to break early iterations of this patch.
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---
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NEWS | 5 +++++
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THANKS.in | 1 +
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src/kwset.c | 2 ++
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tests/Makefile.am | 1 +
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tests/kwset-abuse | 32 ++++++++++++++++++++++++++++++++
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5 files changed, 41 insertions(+)
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create mode 100755 tests/kwset-abuse
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Index: grep-2.21/src/kwset.c
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===================================================================
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--- grep-2.21.orig/src/kwset.c
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+++ grep-2.21/src/kwset.c
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@@ -643,6 +643,8 @@ bmexec_trans (kwset_t kwset, char const
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if (! tp)
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return -1;
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tp++;
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+ if (ep <= tp)
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+ break;
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}
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}
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}
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Index: grep-2.21/tests/Makefile.am
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===================================================================
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--- grep-2.21.orig/tests/Makefile.am
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+++ grep-2.21/tests/Makefile.am
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@@ -72,6 +72,7 @@ TESTS = \
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inconsistent-range \
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invalid-multibyte-infloop \
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khadafy \
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+ kwset-abuse \
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long-line-vs-2GiB-read \
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match-lines \
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max-count-overread \
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Index: grep-2.21/tests/Makefile.in
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===================================================================
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--- grep-2.21.orig/tests/Makefile.in
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+++ grep-2.21/tests/Makefile.in
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@@ -1376,6 +1376,7 @@ TESTS = \
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inconsistent-range \
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invalid-multibyte-infloop \
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khadafy \
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+ kwset-abuse \
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long-line-vs-2GiB-read \
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match-lines \
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max-count-overread \
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@@ -2030,6 +2031,13 @@ khadafy.log: khadafy
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$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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--log-file $$b.log --trs-file $$b.trs \
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$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
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+ "$$tst" $(AM_TESTS_FD_REDIRECT)
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+kwset-abuse.log: kwset-abuse
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+ @p='kwset-abuse'; \
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+ b='kwset-abuse'; \
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+ $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+ --log-file $$b.log --trs-file $$b.trs \
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+ $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
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"$$tst" $(AM_TESTS_FD_REDIRECT)
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long-line-vs-2GiB-read.log: long-line-vs-2GiB-read
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@p='long-line-vs-2GiB-read'; \
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Index: grep-2.21/tests/kwset-abuse
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===================================================================
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--- /dev/null
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+++ grep-2.21/tests/kwset-abuse
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@@ -0,0 +1,32 @@
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+#! /bin/sh
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+# Evoke a segfault in a hard-to-reach code path of kwset.c.
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+# This bug affected grep versions 2.19 through 2.21.
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+#
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+# Copyright (C) 2015 Free Software Foundation, Inc.
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+#
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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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+
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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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+
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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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+
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+. "${srcdir=.}/init.sh"; path_prepend_ ../src
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+
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+fail=0
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+
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+# This test case chooses a haystack of size 260,000, since prodding
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+# with gdb showed a reallocation slightly larger than that in fillbuf.
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+# To reach the buggy code, the needle must have length < 1/11 that of
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+# the haystack, and 10,000 is a nice round number that fits the bill.
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+printf '%0260000dXy\n' 0 | grep -F $(printf %010000dy 0)
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+
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+test $? = 1 || fail=1
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+
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+Exit $fail
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@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Mon Nov 2 18:20:38 UTC 2015 - astieger@suse.com
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- GNU grep 2.22:
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* Improve performance for patterns containing very long strings
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* Output and pattern matching bug fixes
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- drop add gnulib-perl522.patch, changed upstream
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- drop grep-F-heap-overrun.patch, included upstream
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-------------------------------------------------------------------
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Mon Jul 6 10:10:12 UTC 2015 - coolo@suse.com
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@ -17,7 +17,7 @@
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Name: grep
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Version: 2.21
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Version: 2.22
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Release: 0
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Summary: Print lines matching a pattern
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License: GPL-3.0+
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@ -26,9 +26,6 @@ Url: http://www.gnu.org/software/grep/
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Source0: http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
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Source2: http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz.sig
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Source3: http://savannah.gnu.org/project/memberlist-gpgkeys.php?group=grep&download=1#/%{name}.keyring
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Patch0: grep-F-heap-overrun.patch
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# PATCH-FIX-UPSTREAM http://comments.gmane.org/gmane.comp.lib.gnulib.bugs/35272
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Patch1: gnulib-perl522.patch
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BuildRequires: makeinfo
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BuildRequires: pcre-devel
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BuildRequires: xz
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@ -46,8 +43,6 @@ the matching lines.
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%prep
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%setup -q
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%patch0 -p1
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%patch1 -p1
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chmod +x tests/kwset-abuse
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%if 0%{?suse_version} < 1120
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echo "ac_cv_search_pcre_compile=\${ac_cv_search_pcre_compile=%{_libdir}/libpcre.a}" >config.cache
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