Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 22 Jul 2016 17:22:38 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r303192 - stable/11/sys/kern
Message-ID:  <201607221722.u6MHMcGJ092664@repo.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: kib
Date: Fri Jul 22 17:22:37 2016
New Revision: 303192
URL: https://svnweb.freebsd.org/changeset/base/303192

Log:
  MFC r302893:
  Do not allow creation of char or block special nodes with VNOVAL dev_t.
  
  Approved by:	re (gjb)

Modified:
  stable/11/sys/kern/vfs_syscalls.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/vfs_syscalls.c
==============================================================================
--- stable/11/sys/kern/vfs_syscalls.c	Fri Jul 22 16:48:39 2016	(r303191)
+++ stable/11/sys/kern/vfs_syscalls.c	Fri Jul 22 17:22:37 2016	(r303192)
@@ -1167,6 +1167,8 @@ kern_mknodat(struct thread *td, int fd, 
 	case S_IFCHR:
 	case S_IFBLK:
 		error = priv_check(td, PRIV_VFS_MKNOD_DEV);
+		if (error == 0 && dev == VNOVAL)
+			error = EINVAL;
 		break;
 	case S_IFMT:
 		error = priv_check(td, PRIV_VFS_MKNOD_BAD);



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201607221722.u6MHMcGJ092664>