Implement a check on the number of capturing parentheses, which for some reason

has never existed. This fixes ClusterFuzz issue 14376. 


git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1088 6239d852-aaf2-0410-a92c-79f79f948069

7 files changed, 22 insertions, 0 deletions

diff --git a/testdata/testinput11 b/testdata/testinput11
index 2d267d6..fca6042 100644
--- a/testdata/testinput11
+++ b/testdata/testinput11
@@ -368,4 +368,6 @@
     abÿAz
     ab\x{80000041}z 
 
+/\[()]{65535}/expand
+
 # End of testinput11
diff --git a/testdata/testinput2 b/testdata/testinput2
index 9e59b62..8a98f94 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -5587,4 +5587,8 @@ a)"xI
 \= Expect error message
     abc\=null_context
 
+/\[()]{65535}()/expand
+
+/\[()]{65535}(?<A>)/expand
+
 # End of testinput2
diff --git a/testdata/testinput9 b/testdata/testinput9
index 7be4b15..792d610 100644
--- a/testdata/testinput9
+++ b/testdata/testinput9
@@ -260,4 +260,6 @@
 
 /(*:*++++++++++++''''''''''''''''''''+''+++'+++x+++++++++++++++++++++++++++++++++++(++++++++++++++++++++:++++++%++:''''''''''''''''''''''''+++++++++++++++++++++++++++++++++++++++++++++++++++++-++++++++k+++++++''''+++'+++++++++++++++++++++++''''++++++++++++':Æ¿)/
 
+/\[()]{65535}/expand
+
 # End of testinput9
diff --git a/testdata/testoutput11-16 b/testdata/testoutput11-16
index 78bf7fb..f2b9637 100644
--- a/testdata/testoutput11-16
+++ b/testdata/testoutput11-16
@@ -661,4 +661,7 @@ Subject length lower bound = 1
     abÿAz
     ab\x{80000041}z 
 
+/\[()]{65535}/expand
+Failed: error 120 at offset 131070: regular expression is too large
+
 # End of testinput11
diff --git a/testdata/testoutput11-32 b/testdata/testoutput11-32
index 4b00384..1908ab7 100644
--- a/testdata/testoutput11-32
+++ b/testdata/testoutput11-32
@@ -667,4 +667,6 @@ Subject length lower bound = 1
     ab\x{80000041}z 
  0: ab\x{80000041}z
 
+/\[()]{65535}/expand
+
 # End of testinput11
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index 2f91c38..158fbad 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -16934,6 +16934,12 @@ Subject length lower bound = 0
     abc\=null_context
 ** Replacement callouts are not supported with null_context.
 
+/\[()]{65535}()/expand
+Failed: error 197 at offset 131071: too many capturing groups (maximum 65535)
+
+/\[()]{65535}(?<A>)/expand
+Failed: error 197 at offset 131075: too many capturing groups (maximum 65535)
+
 # End of testinput2
 Error -70: PCRE2_ERROR_BADDATA (unknown error number)
 Error -62: bad serialized data
diff --git a/testdata/testoutput9 b/testdata/testoutput9
index f98f276..f66ca3d 100644
--- a/testdata/testoutput9
+++ b/testdata/testoutput9
@@ -367,4 +367,7 @@ Failed: error 134 at offset 14: character code point value in \x{} or \o{} is to
 /(*:*++++++++++++''''''''''''''''''''+''+++'+++x+++++++++++++++++++++++++++++++++++(++++++++++++++++++++:++++++%++:''''''''''''''''''''''''+++++++++++++++++++++++++++++++++++++++++++++++++++++-++++++++k+++++++''''+++'+++++++++++++++++++++++''''++++++++++++':Æ¿)/
 Failed: error 176 at offset 259: name is too long in (*MARK), (*PRUNE), (*SKIP), or (*THEN)
 
+/\[()]{65535}/expand
+Failed: error 120 at offset 131070: regular expression is too large
+
 # End of testinput9