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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-08 08:32:51 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-08 08:32:51 +0000 |
commit | 12c244d347b6620ea14e06c9f60c164dce7427ef (patch) | |
tree | 4a09a5f5c6718c2ef2bd4808af94d17213b231e7 /hash.c | |
parent | 18034276608ec2c61198e7e38065997d47cf3725 (diff) | |
download | ruby-12c244d347b6620ea14e06c9f60c164dce7427ef.tar.gz |
hash.c: fix oob access
* hash.c (rb_hash_default): do not access argv when no arguments
is given.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -902,14 +902,15 @@ rb_hash_fetch(VALUE hash, VALUE key) static VALUE rb_hash_default(int argc, VALUE *argv, VALUE hash) { - VALUE key, ifnone; + VALUE args[2], ifnone; rb_check_arity(argc, 0, 1); - key = argv[0]; ifnone = RHASH_IFNONE(hash); if (FL_TEST(hash, HASH_PROC_DEFAULT)) { if (argc == 0) return Qnil; - return rb_funcall(ifnone, id_yield, 2, hash, key); + args[0] = hash; + args[1] = argv[0]; + return rb_funcallv(ifnone, id_yield, 2, args); } return ifnone; } |