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* ext/socket/ipsocket.c (ip_s_getaddress): Don't access freed memory.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2014-02-19 08:51:33 +00:00
parent 2c36345ad6
commit 948ce9decb
2 changed files with 7 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Feb 19 17:47:01 2014 Tanaka Akira <akr@fsij.org>
* ext/socket/ipsocket.c (ip_s_getaddress): Don't access freed memory.
Wed Feb 19 11:39:41 2014 NARUSE, Yui <naruse@ruby-lang.org>
* configure.in: it must see rb_cv_broken_memmem not rb_cv_func_memmem.

5
ext/socket/ipsocket.c
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@ -305,12 +305,13 @@ ip_s_getaddress(VALUE obj, VALUE host)
{
union_sockaddr addr;
struct addrinfo *res = rsock_addrinfo(host, Qnil, SOCK_STREAM, 0);
socklen_t len = res->ai_addrlen;
/* just take the first one */
memcpy(&addr, res->ai_addr, res->ai_addrlen);
memcpy(&addr, res->ai_addr, len);
freeaddrinfo(res);
return rsock_make_ipaddr(&addr.addr, res->ai_addrlen);
return rsock_make_ipaddr(&addr.addr, len);
}
void