From 5be5aa569146419d64a5c46f7d7b756e7e8a482d Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Tue, 22 Dec 2015 19:38:10 +0000 Subject: [PATCH] ext/socket/init.c (rsock_init_sock): reject reserved FDs --- ext/socket/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ext/socket/init.c b/ext/socket/init.c index bc01217..66da534 100644 --- a/ext/socket/init.c +++ b/ext/socket/init.c @@ -61,7 +61,7 @@ rsock_init_sock(VALUE sock, int fd) { rb_io_t *fp; - if (!is_socket(fd)) { + if (!is_socket(fd) || rb_reserved_fd_p(fd)) { errno = EBADF; rb_sys_fail("not a socket file descriptor"); } -- EW