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merge revision(s) 54105,54108,54136,54138: [Backport #12188]

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* marshal.c (r_object0): Fix Marshal crash for corrupt extended object.

	* marshal.c (r_object0):  raise ArgumentError when linking to undefined
	  object.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2016-03-28 16:23:40 +00:00
parent 1d3af7a3fc
commit af8c7c602b
4 changed files with 34 additions and 2 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Tue Mar 29 01:22:39 2016 Eric Hodel <drbrain@segment7.net>
* marshal.c (r_object0): raise ArgumentError when linking to undefined
object.
Tue Mar 29 01:22:39 2016 Eric Hodel <drbrain@segment7.net>
* marshal.c (r_object0): Fix Marshal crash for corrupt extended object.
Tue Mar 29 01:20:37 2016 Eric Wong <e@80x24.org>
* ext/openssl/ossl_ssl.c (ossl_sslctx_setup): document as MT-unsafe

7
marshal.c
View file

@ -1582,6 +1582,7 @@ r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
{
VALUE path = r_unique(arg);
VALUE m = rb_path_to_class(path);
if (NIL_P(extmod)) extmod = rb_ary_tmp_new(0);
if (RB_TYPE_P(m, T_CLASS)) { /* prepended */
VALUE c;
@ -1601,7 +1602,6 @@ r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
}
else {
must_be_module(m, path);
if (NIL_P(extmod)) extmod = rb_ary_tmp_new(0);
rb_ary_push(extmod, m);
v = r_object0(arg, 0, extmod);
@ -1962,6 +1962,11 @@ r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
rb_raise(rb_eArgError, "dump format error(0x%x)", type);
break;
}
if (v == Qundef) {
rb_raise(rb_eArgError, "dump format error (bad link)");
}
return v;
}

18
test/ruby/test_marshal.rb
View file

@ -653,4 +653,22 @@ class TestMarshal < Test::Unit::TestCase
obj = [str, str]
assert_equal(['X', 'X'], Marshal.load(Marshal.dump(obj), ->(v) { v == str ? v.upcase : v }))
end
def test_marshal_load_extended_class_crash
crash = "\x04\be:\x0F\x00omparableo:\vObject\x00"
opt = %w[--disable=gems]
assert_ruby_status(opt, "Marshal.load(#{crash.dump})")
end
def test_marshal_load_r_prepare_reference_crash
crash = "\x04\bI/\x05\x00\x06:\x06E{\x06@\x05T"
opt = %w[--disable=gems]
assert_separately(opt, <<-RUBY)
assert_raise_with_message(ArgumentError, /bad link/) do
Marshal.load(#{crash.dump})
end
RUBY
end
end

2
version.h
View file

@ -1,6 +1,6 @@
#define RUBY_VERSION "2.2.5"
#define RUBY_RELEASE_DATE "2016-03-29"
#define RUBY_PATCHLEVEL 275
#define RUBY_PATCHLEVEL 276
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 3