From ea6ac1c45bf11cfdd3f6b058776d063468215980 Mon Sep 17 00:00:00 2001 From: akr Date: Thu, 25 Dec 2008 08:07:01 +0000 Subject: [PATCH] * io.c (rb_io_initialize): check fd validity. [ruby-dev:36646] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 4 ++++ io.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/ChangeLog b/ChangeLog index 788752ec6c..bcbd4c9f52 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +Thu Dec 25 17:06:13 2008 Tanaka Akira + + * io.c (rb_io_initialize): check fd validity. [ruby-dev:36646] + Thu Dec 25 16:23:31 2008 Tanaka Akira * io.c (flush_before_seek): check io_fflush result. diff --git a/io.c b/io.c index a8a7554c95..2ebf6de273 100644 --- a/io.c +++ b/io.c @@ -5928,6 +5928,7 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io) int fd, fmode, oflags = O_RDONLY; convconfig_t convconfig; VALUE opt; + struct stat st; rb_secure(4); @@ -5936,6 +5937,7 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io) rb_io_extract_modeenc(&vmode, 0, opt, &oflags, &fmode, &convconfig); fd = NUM2INT(fnum); + if (fstat(fd, &st) == -1) rb_sys_fail(0); UPDATE_MAXFD(fd); if (NIL_P(vmode)) { #if defined(HAVE_FCNTL) && defined(F_GETFL)