Fix backtracking atomic groups when they are not separated by something with a backtracking point

pcre2-10.31-Fixed-atomic-group-backtracking-bug.patch

@@ -0,0 +1,67 @@
+From bba8a81a820ffcfc9c88adb0055e12bad66eee4e Mon Sep 17 00:00:00 2001
+From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
+Date: Mon, 16 Jul 2018 15:24:32 +0000
+Subject: [PATCH] Fixed atomic group backtracking bug.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@965 6239d852-aaf2-0410-a92c-79f79f948069
+
+Petr Písař: Ported to 8.31.
+
+Signed-off-by: Petr Písař <ppisar@redhat.com>
+---
+ src/pcre2_match.c    | 2 +-
+ testdata/testinput1  | 6 ++++++
+ testdata/testoutput1 | 8 ++++++++
+ 3 files changed, 15 insertions(+), 1 deletion(-)
+
+diff --git a/src/pcre2_match.c b/src/pcre2_match.c
+index ce96016..c294049 100644
+--- a/src/pcre2_match.c
++++ b/src/pcre2_match.c
+@@ -5509,7 +5509,7 @@ fprintf(stderr, "++ op=%d\n", *Fecode);
+       frame so that it points to the final branch. */
+ 
+       case OP_ONCE:
+-      Fback_frame = ((char *)F - (char *)P) + frame_size;
++      Fback_frame = ((char *)F - (char *)P);
+       for (;;)
+         {
+         uint32_t y = GET(P->ecode,1);
+diff --git a/testdata/testinput1 b/testdata/testinput1
+index 1b3191c..cc11288 100644
+--- a/testdata/testinput1
++++ b/testdata/testinput1
+@@ -6202,4 +6202,10 @@ ef) x/x,mark
+ 
+ /(?<=(?=.){4,5}x)/
+ 
++/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/no_start_optimize
++    abc
++
++/(?>a(*:1))(?>b)(*SKIP:1)x|.*/no_start_optimize
++    abc
++
+ # End of testinput1 
+diff --git a/testdata/testoutput1 b/testdata/testoutput1
+index 06469fa..2fd2d48 100644
+--- a/testdata/testoutput1
++++ b/testdata/testoutput1
+@@ -9841,4 +9841,12 @@ No match
+ 
+ /(?<=(?=.){4,5}x)/
+ 
++/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/no_start_optimize
++    abc
++ 0: abc
++
++/(?>a(*:1))(?>b)(*SKIP:1)x|.*/no_start_optimize
++    abc
++ 0: abc
++
+ # End of testinput1 
+-- 
+2.14.4
+

pcre2.spec

@@ -9,7 +9,7 @@
 #%%global rcversion RC1
 Name:       pcre2
 Version:    10.31
-Release:    %{?rcversion:0.}7%{?rcversion:.%rcversion}%{?dist}.1
+Release:    %{?rcversion:0.}8%{?rcversion:.%rcversion}%{?dist}
 %global     myversion %{version}%{?rcversion:-%rcversion}
 Summary:    Perl-compatible regular expression library
 # the library:                          BSD with exceptions
@@ -82,6 +82,9 @@ Patch9:     pcre2-10.31-Fix-global-search-replace-in-pcre2test-and-pcre2_sub.pat
 Patch10:    pcre2-10.31-Ignore-qualifiers-on-lookaheads-within-lookbehinds-w.patch
 # Fix parsing VERSION conditions, in upstream after pcre-10.31
 Patch11:    pcre2-10.31-Fix-bug-in-VERSION-number-reading.patch
+# Fix backtracking atomic groups when they are not separated by something with
+# a backtracking point, in upstream after 10.31
+Patch12:    pcre2-10.31-Fixed-atomic-group-backtracking-bug.patch
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  coreutils
@@ -169,6 +172,7 @@ Utilities demonstrating PCRE2 capabilities like pcre2grep or pcre2test.
 %patch9 -p1
 %patch10 -p1
 %patch11 -p1
+%patch12 -p1
 # Because of multilib patch
 libtoolize --copy --force
 autoreconf -vif
@@ -271,6 +275,10 @@ make %{?_smp_mflags} check VERBOSE=yes
 %{_mandir}/man1/pcre2test.*
 
 %changelog
+* Tue Jul 31 2018 Petr Pisar <ppisar@redhat.com> - 10.31-8
+- Fix backtracking atomic groups when they are not separated by something with
+  a backtracking point
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 10.31-7.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild