Module Name: src Committed By: mrg Date: Mon Feb 4 04:37:50 UTC 2019
Modified Files: src/external/mpl/dhcp/dist/server: mdb6.c src/lib/libm/src: s_copysignl.c src/sys/compat/linux/common: linux_socket.c Log Message: - avoid uninitialised memory usage To generate a diff of this commit: cvs rdiff -u -r1.3 -r1.4 src/external/mpl/dhcp/dist/server/mdb6.c cvs rdiff -u -r1.5 -r1.6 src/lib/libm/src/s_copysignl.c cvs rdiff -u -r1.143 -r1.144 src/sys/compat/linux/common/linux_socket.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/external/mpl/dhcp/dist/server/mdb6.c diff -u src/external/mpl/dhcp/dist/server/mdb6.c:1.3 src/external/mpl/dhcp/dist/server/mdb6.c:1.4 --- src/external/mpl/dhcp/dist/server/mdb6.c:1.3 Thu Jan 10 17:41:47 2019 +++ src/external/mpl/dhcp/dist/server/mdb6.c Mon Feb 4 04:37:50 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: mdb6.c,v 1.3 2019/01/10 17:41:47 christos Exp $ */ +/* $NetBSD: mdb6.c,v 1.4 2019/02/04 04:37:50 mrg Exp $ */ /* * Copyright (C) 2007-2017 by Internet Systems Consortium, Inc. ("ISC") @@ -17,7 +17,7 @@ */ #include <sys/cdefs.h> -__RCSID("$NetBSD: mdb6.c,v 1.3 2019/01/10 17:41:47 christos Exp $"); +__RCSID("$NetBSD: mdb6.c,v 1.4 2019/02/04 04:37:50 mrg Exp $"); /*! @@ -939,7 +939,7 @@ build_temporary6(struct in6_addr *addr, const struct data_string *input) { static u_int32_t history[2]; static u_int32_t counter = 0; - unsigned char md[16]; + unsigned char md[16] = {0}; unsigned int len; /* Index: src/lib/libm/src/s_copysignl.c diff -u src/lib/libm/src/s_copysignl.c:1.5 src/lib/libm/src/s_copysignl.c:1.6 --- src/lib/libm/src/s_copysignl.c:1.5 Thu May 14 19:26:12 2015 +++ src/lib/libm/src/s_copysignl.c Mon Feb 4 04:37:50 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: s_copysignl.c,v 1.5 2015/05/14 19:26:12 joerg Exp $ */ +/* $NetBSD: s_copysignl.c,v 1.6 2019/02/04 04:37:50 mrg Exp $ */ /*- * Copyright (c) 2010 The NetBSD Foundation, Inc. @@ -26,11 +26,12 @@ * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> -__RCSID("$NetBSD: s_copysignl.c,v 1.5 2015/05/14 19:26:12 joerg Exp $"); +__RCSID("$NetBSD: s_copysignl.c,v 1.6 2019/02/04 04:37:50 mrg Exp $"); #include "namespace.h" #include <math.h> #include <machine/ieee.h> +#include <string.h> #if defined(__HAVE_LONG_DOUBLE) || defined(__HAVE_IBM_LONGDOUBLE) @@ -61,6 +62,8 @@ copysignl(long double x, long double y) { union ldbl_u ux, uy; + memset(&ux, 0, sizeof ux); + memset(&uy, 0, sizeof uy); ux.ldblu_ld = x; uy.ldblu_ld = y; ux.ldblu_d[0] = copysign(ux.ldblu_d[0], uy.ldblu_d[0]); Index: src/sys/compat/linux/common/linux_socket.c diff -u src/sys/compat/linux/common/linux_socket.c:1.143 src/sys/compat/linux/common/linux_socket.c:1.144 --- src/sys/compat/linux/common/linux_socket.c:1.143 Wed Nov 14 17:51:37 2018 +++ src/sys/compat/linux/common/linux_socket.c Mon Feb 4 04:37:50 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: linux_socket.c,v 1.143 2018/11/14 17:51:37 hannken Exp $ */ +/* $NetBSD: linux_socket.c,v 1.144 2019/02/04 04:37:50 mrg Exp $ */ /*- * Copyright (c) 1995, 1998, 2008 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.143 2018/11/14 17:51:37 hannken Exp $"); +__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.144 2019/02/04 04:37:50 mrg Exp $"); #if defined(_KERNEL_OPT) #include "opt_inet.h" @@ -1829,7 +1829,7 @@ linux_sys_recvmmsg(struct lwp *l, const struct msghdr *msg = &bmsg.msg_hdr; int error, s; struct mbuf *from, *control; - struct timespec ts, now; + struct timespec ts = {0}, now; struct linux_timespec lts; unsigned int vlen, flags, dg;