Module Name: src Committed By: riz Date: Tue Apr 3 15:57:50 UTC 2012
Modified Files: src/sys/fs/puffs [netbsd-6]: puffs_vnops.c Log Message: Pull up following revision(s) (requested by jakllsch in ticket #154): sys/fs/puffs/puffs_vnops.c: revision 1.164 Prevent access beyond end of PUFFS file on read, similar to as is done for NFS. To generate a diff of this commit: cvs rdiff -u -r1.163 -r1.163.2.1 src/sys/fs/puffs/puffs_vnops.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/fs/puffs/puffs_vnops.c diff -u src/sys/fs/puffs/puffs_vnops.c:1.163 src/sys/fs/puffs/puffs_vnops.c:1.163.2.1 --- src/sys/fs/puffs/puffs_vnops.c:1.163 Tue Jan 17 09:30:16 2012 +++ src/sys/fs/puffs/puffs_vnops.c Tue Apr 3 15:57:50 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: puffs_vnops.c,v 1.163 2012/01/17 09:30:16 martin Exp $ */ +/* $NetBSD: puffs_vnops.c,v 1.163.2.1 2012/04/03 15:57:50 riz Exp $ */ /* * Copyright (c) 2005, 2006, 2007 Antti Kantee. All Rights Reserved. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.163 2012/01/17 09:30:16 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.163.2.1 2012/04/03 15:57:50 riz Exp $"); #include <sys/param.h> #include <sys/buf.h> @@ -1862,6 +1862,9 @@ puffs_vnop_read(void *v) const int advice = IO_ADV_DECODE(ap->a_ioflag); while (uio->uio_resid > 0) { + if (vp->v_size <= uio->uio_offset) { + break; + } bytelen = MIN(uio->uio_resid, vp->v_size - uio->uio_offset); if (bytelen == 0)