summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNAKAMURA Usaku <usa@ruby-lang.org>2022-04-12 20:25:48 +0900
committerNAKAMURA Usaku <usa@ruby-lang.org>2022-04-12 20:25:48 +0900
commitc9c2245c0a25176072e02db9254f0e0c84c805cd (patch)
tree61e80059a35598b3b2da400de2f6ff366fa1a89e
parent389723d85433df0b487f02c94ca6a243d39a189e (diff)
Fix dtoa buffer overrunv2_7_6ruby_2_7
-rw-r--r--missing/dtoa.c3
-rw-r--r--test/ruby/test_float.rb18
-rw-r--r--version.h4
3 files changed, 22 insertions, 3 deletions
diff --git a/missing/dtoa.c b/missing/dtoa.c
index cbee13ee81..e82b60c2ce 100644
--- a/missing/dtoa.c
+++ b/missing/dtoa.c
@@ -1500,6 +1500,7 @@ 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) {
@@ -1522,7 +1523,7 @@ 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 a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 7cbf3b5a8f..9c24dac8e6 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -171,6 +171,24 @@ class TestFloat < Test::Unit::TestCase
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
diff --git a/version.h b/version.h
index 957a689057..a03ae9c928 100644
--- a/version.h
+++ b/version.h
@@ -2,11 +2,11 @@
# define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
#define RUBY_VERSION_TEENY 6
#define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 218
+#define RUBY_PATCHLEVEL 219
#define RUBY_RELEASE_YEAR 2022
#define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 7
+#define RUBY_RELEASE_DAY 12
#include "ruby/version.h"