lang/ruby32: Add upstream patches to fix recent vulnerabilities

PR:		263357
Approved by:	sunpoet (ruby@)
Security:	f22144d7-bad1-11ec-9cfe-0800270512f4
Security:	06ed6a49-bad4-11ec-9cfe-0800270512f4

2 files changed, 130 insertions, 0 deletions

diff --git a/lang/ruby32/files/patch-CVE-2022-28738 b/lang/ruby32/files/patch-CVE-2022-28738
new file mode 100644
index 000000000000..79cd2f40b47b
--- /dev/null
+++ b/lang/ruby32/files/patch-CVE-2022-28738
@@ -0,0 +1,66 @@
+From cf2bbcfff2985c116552967c7c4522f4630f2d18 Mon Sep 17 00:00:00 2001
+From: Nobuyoshi Nakada <nobu@ruby-lang.org>
+Date: Fri, 11 Jun 2021 00:06:43 +0900
+Subject: [PATCH 1/2] Just free compiled pattern if no space is used
+
+https://hackerone.com/reports/1220911
+---
+ regcomp.c                | 14 ++++++++------
+ test/ruby/test_regexp.rb |  9 +++++++++
+ 2 files changed, 17 insertions(+), 6 deletions(-)
+
+diff --git regcomp.c regcomp.c
+index 3e65c9d2e3..94640639d8 100644
+--- regcomp.c
++++ regcomp.c
+@@ -142,8 +142,13 @@ bitset_on_num(BitSetRef bs)
+ static void
+ onig_reg_resize(regex_t *reg)
+ {
+-  resize:
+-    if (reg->alloc > reg->used) {
++  do {
++    if (!reg->used) {
++      xfree(reg->p);
++      reg->alloc = 0;
++      reg->p = 0;
++    }
++    else if (reg->alloc > reg->used) {
+       unsigned char *new_ptr = xrealloc(reg->p, reg->used);
+       // Skip the right size optimization if memory allocation fails
+       if (new_ptr) {
+@@ -151,10 +156,7 @@ onig_reg_resize(regex_t *reg)
+         reg->p = new_ptr;
+       }
+     }
+-    if (reg->chain) {
+-      reg = reg->chain;
+-      goto resize;
+-    }
++  } while ((reg = reg->chain) != 0);
+ }
+ 
+ extern int
+diff --git test/ruby/test_regexp.rb test/ruby/test_regexp.rb
+index 4be6d7bec7..84687c5380 100644
+--- test/ruby/test_regexp.rb
++++ test/ruby/test_regexp.rb
+@@ -1431,6 +1431,15 @@ def test_bug18631
+     assert_kind_of MatchData, /(?<x>a)(?<x>aa)\k<x>/.match("aaaab")
+   end
+ 
++  def test_invalid_group
++    assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
++    begin;
++      assert_raise_with_message(RegexpError, /invalid conditional pattern/) do
++        Regexp.new("((?(1)x|x|)x)+")
++      end
++    end;
++  end
++
+   # This assertion is for porting x2() tests in testpy.py of Onigmo.
+   def assert_match_at(re, str, positions, msg = nil)
+     re = Regexp.new(re) unless re.is_a?(Regexp)
+-- 
+2.35.2
+
diff --git a/lang/ruby32/files/patch-CVE-2022-28739 b/lang/ruby32/files/patch-CVE-2022-28739
new file mode 100644
index 000000000000..8de3fa8b434b
--- /dev/null
+++ b/lang/ruby32/files/patch-CVE-2022-28739
@@ -0,0 +1,64 @@
+From d0a822eec524522d81ffc7da2bb1baf906b0318a Mon Sep 17 00:00:00 2001
+From: Nobuyoshi Nakada <nobu@ruby-lang.org>
+Date: Thu, 1 Jul 2021 06:39:17 +0900
+Subject: [PATCH 2/2] Fix dtoa buffer overrun
+
+https://hackerone.com/reports/1248108
+---
+ missing/dtoa.c          |  3 ++-
+ test/ruby/test_float.rb | 18 ++++++++++++++++++
+ 2 files changed, 20 insertions(+), 1 deletion(-)
+
+diff --git missing/dtoa.c missing/dtoa.c
+index a940eabd91..b7a8302875 100644
+--- missing/dtoa.c
++++ missing/dtoa.c
+@@ -1552,6 +1552,7 @@ break2:
+ 	    if (!*++s || !(s1 = strchr(hexdigit, *s))) goto ret0;
+ 	    if (*s == '0') {
+ 		while (*++s == '0');
++		if (!*s) goto ret;
+ 		s1 = strchr(hexdigit, *s);
+ 	    }
+ 	    if (s1 != NULL) {
+@@ -1574,7 +1575,7 @@ break2:
+ 		for (; *s && (s1 = strchr(hexdigit, *s)); ++s) {
+ 		    adj += aadj * ((s1 - hexdigit) & 15);
+ 		    if ((aadj /= 16) == 0.0) {
+-			while (strchr(hexdigit, *++s));
++			while (*++s && strchr(hexdigit, *s));
+ 			break;
+ 		    }
+ 		}
+diff --git test/ruby/test_float.rb test/ruby/test_float.rb
+index 4be2cfeeda..57a46fce92 100644
+--- test/ruby/test_float.rb
++++ test/ruby/test_float.rb
+@@ -171,6 +171,24 @@ def test_strtod
+       assert_raise(ArgumentError, n += z + "A") {Float(n)}
+       assert_raise(ArgumentError, n += z + ".0") {Float(n)}
+     end
++
++    x = nil
++    2000.times do
++      x = Float("0x"+"0"*30)
++      break unless x == 0.0
++    end
++    assert_equal(0.0, x, ->{"%a" % x})
++    x = nil
++    2000.times do
++      begin
++        x = Float("0x1."+"0"*270)
++      rescue ArgumentError => e
++        raise unless /"0x1\.0{270}"/ =~ e.message
++      else
++        break
++      end
++    end
++    assert_nil(x, ->{"%a" % x})
+   end
+ 
+   def test_divmod
+-- 
+2.35.2
+