usa	2017-03-26 01:58:03 +0900 (Sun, 26 Mar 2017)

  New Revision: 58102

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58102

  Log:
    * regcomp.c (set_bm_skip): Need to check the end of the string.
      this patch is from https://github.com/k-takata/Onigmo/commit/e5c0e6c36187898bb27960cd66d591f172558848 .
      [Backport #12997]

  Modified files:
    branches/ruby_2_2/regcomp.c
    branches/ruby_2_2/version.h
Index: ruby_2_2/regcomp.c
===================================================================
--- ruby_2_2/regcomp.c	(revision 58101)
+++ ruby_2_2/regcomp.c	(revision 58102)
@@ -4192,6 +4192,8 @@ set_bm_skip(UChar* s, UChar* end, regex_ https://github.com/ruby/ruby/blob/trunk/ruby_2_2/regcomp.c#L4192
 	n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, reg->case_fold_flag,
 					       p, end, items);
       clen = enclen(enc, p, end);
+      if (p + clen > end)
+	clen = (int )(end - p);
 
       for (j = 0; j < n; j++) {
 	if ((items[j].code_len != 1) || (items[j].byte_len != clen))
@@ -4222,6 +4224,8 @@ set_bm_skip(UChar* s, UChar* end, regex_ https://github.com/ruby/ruby/blob/trunk/ruby_2_2/regcomp.c#L4224
 	n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, reg->case_fold_flag,
 					       p, end, items);
       clen = enclen(enc, p, end);
+      if (p + clen > end)
+	clen = (int )(end - p);
 
       for (j = 0; j < n; j++) {
 	if ((items[j].code_len != 1) || (items[j].byte_len != clen))
@@ -4265,6 +4269,8 @@ set_bm_skip(UChar* s, UChar* end, regex_ https://github.com/ruby/ruby/blob/trunk/ruby_2_2/regcomp.c#L4269
 	n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, reg->case_fold_flag,
 					       p, end, items);
       clen = enclen(enc, p, end);
+      if (p + clen > end)
+	clen = (int )(end - p);
 
       for (j = 0; j < n; j++) {
 	if ((items[j].code_len != 1) || (items[j].byte_len != clen))
@@ -4295,6 +4301,8 @@ set_bm_skip(UChar* s, UChar* end, regex_ https://github.com/ruby/ruby/blob/trunk/ruby_2_2/regcomp.c#L4301
 	n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, reg->case_fold_flag,
 					       p, end, items);
       clen = enclen(enc, p, end);
+      if (p + clen > end)
+	clen = (int )(end - p);
 
       for (j = 0; j < n; j++) {
 	if ((items[j].code_len != 1) || (items[j].byte_len != clen))
Index: ruby_2_2/version.h
===================================================================
--- ruby_2_2/version.h	(revision 58101)
+++ ruby_2_2/version.h	(revision 58102)
@@ -1,6 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/ruby_2_2/version.h#L1
 #define RUBY_VERSION "2.2.7"
 #define RUBY_RELEASE_DATE "2017-03-26"
-#define RUBY_PATCHLEVEL 434
+#define RUBY_PATCHLEVEL 435
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3

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