Module Name: src Committed By: martin Date: Fri Jul 17 15:28:08 UTC 2020
Modified Files: src/sys/compat/common [netbsd-8]: uipc_syscalls_40.c src/sys/compat/linux/common [netbsd-8]: linux_socket.c src/sys/compat/linux32/common [netbsd-8]: linux32_socket.c src/sys/net [netbsd-8]: if.c Log Message: Pull up following revision(s) (requested by msaitoh in ticket #1576): sys/net/if.c: revision 1.479 sys/compat/common/uipc_syscalls_40.c: revision 1.23 sys/compat/linux/common/linux_socket.c: revision 1.150 sys/compat/linux32/common/linux32_socket.c: revision 1.31 Don't accept negative value. To generate a diff of this commit: cvs rdiff -u -r1.13.6.3 -r1.13.6.4 src/sys/compat/common/uipc_syscalls_40.c cvs rdiff -u -r1.138.6.5 -r1.138.6.6 \ src/sys/compat/linux/common/linux_socket.c cvs rdiff -u -r1.27.6.3 -r1.27.6.4 \ src/sys/compat/linux32/common/linux32_socket.c cvs rdiff -u -r1.394.2.18 -r1.394.2.19 src/sys/net/if.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/compat/common/uipc_syscalls_40.c diff -u src/sys/compat/common/uipc_syscalls_40.c:1.13.6.3 src/sys/compat/common/uipc_syscalls_40.c:1.13.6.4 --- src/sys/compat/common/uipc_syscalls_40.c:1.13.6.3 Fri Apr 19 09:12:58 2019 +++ src/sys/compat/common/uipc_syscalls_40.c Fri Jul 17 15:28:07 2020 @@ -1,9 +1,9 @@ -/* $NetBSD: uipc_syscalls_40.c,v 1.13.6.3 2019/04/19 09:12:58 martin Exp $ */ +/* $NetBSD: uipc_syscalls_40.c,v 1.13.6.4 2020/07/17 15:28:07 martin Exp $ */ /* written by Pavel Cahyna, 2006. Public domain. */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_40.c,v 1.13.6.3 2019/04/19 09:12:58 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_40.c,v 1.13.6.4 2020/07/17 15:28:07 martin Exp $"); /* * System call interface to the socket abstraction. @@ -42,11 +42,14 @@ compat_ifconf(u_long cmd, void *data) int bound; struct psref psref; - memset(&ifr, 0, sizeof(ifr)); if (docopy) { + if (ifc->ifc_len < 0) + return EINVAL; + space = ifc->ifc_len; ifrp = ifc->ifc_req; } + memset(&ifr, 0, sizeof(ifr)); bound = curlwp_bind(); s = pserialize_read_enter(); Index: src/sys/compat/linux/common/linux_socket.c diff -u src/sys/compat/linux/common/linux_socket.c:1.138.6.5 src/sys/compat/linux/common/linux_socket.c:1.138.6.6 --- src/sys/compat/linux/common/linux_socket.c:1.138.6.5 Tue Jan 21 18:12:54 2020 +++ src/sys/compat/linux/common/linux_socket.c Fri Jul 17 15:28:08 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: linux_socket.c,v 1.138.6.5 2020/01/21 18:12:54 martin Exp $ */ +/* $NetBSD: linux_socket.c,v 1.138.6.6 2020/07/17 15:28:08 martin 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 1.138.6.5 2020/01/21 18:12:54 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.138.6.6 2020/07/17 15:28:08 martin Exp $"); #if defined(_KERNEL_OPT) #include "opt_inet.h" @@ -1156,12 +1156,15 @@ linux_getifconf(struct lwp *l, register_ if (error) return error; - memset(&ifr, 0, sizeof(ifr)); docopy = ifc.ifc_req != NULL; if (docopy) { + if (ifc.ifc_len < 0) + return EINVAL; + space = ifc.ifc_len; ifrp = ifc.ifc_req; } + memset(&ifr, 0, sizeof(ifr)); bound = curlwp_bind(); s = pserialize_read_enter(); Index: src/sys/compat/linux32/common/linux32_socket.c diff -u src/sys/compat/linux32/common/linux32_socket.c:1.27.6.3 src/sys/compat/linux32/common/linux32_socket.c:1.27.6.4 --- src/sys/compat/linux32/common/linux32_socket.c:1.27.6.3 Fri Apr 19 09:12:58 2019 +++ src/sys/compat/linux32/common/linux32_socket.c Fri Jul 17 15:28:08 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: linux32_socket.c,v 1.27.6.3 2019/04/19 09:12:58 martin Exp $ */ +/* $NetBSD: linux32_socket.c,v 1.27.6.4 2020/07/17 15:28:08 martin Exp $ */ /*- * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. @@ -33,7 +33,7 @@ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: linux32_socket.c,v 1.27.6.3 2019/04/19 09:12:58 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: linux32_socket.c,v 1.27.6.4 2020/07/17 15:28:08 martin Exp $"); #include <sys/types.h> #include <sys/param.h> @@ -431,12 +431,15 @@ linux32_getifconf(struct lwp *l, registe if (error) return error; - memset(&ifr, 0, sizeof(ifr)); docopy = NETBSD32PTR64(ifc.ifc_req) != NULL; if (docopy) { + if (ifc.ifc_len < 0) + return EINVAL; + space = ifc.ifc_len; ifrp = NETBSD32PTR64(ifc.ifc_req); } + memset(&ifr, 0, sizeof(ifr)); bound = curlwp_bind(); s = pserialize_read_enter(); Index: src/sys/net/if.c diff -u src/sys/net/if.c:1.394.2.18 src/sys/net/if.c:1.394.2.19 --- src/sys/net/if.c:1.394.2.18 Tue Sep 24 18:27:09 2019 +++ src/sys/net/if.c Fri Jul 17 15:28:07 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: if.c,v 1.394.2.18 2019/09/24 18:27:09 martin Exp $ */ +/* $NetBSD: if.c,v 1.394.2.19 2020/07/17 15:28:07 martin Exp $ */ /*- * Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc. @@ -90,7 +90,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.394.2.18 2019/09/24 18:27:09 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.394.2.19 2020/07/17 15:28:07 martin Exp $"); #if defined(_KERNEL_OPT) #include "opt_inet.h" @@ -3392,11 +3392,14 @@ ifconf(u_long cmd, void *data) int bound; struct psref psref; - memset(&ifr, 0, sizeof(ifr)); if (docopy) { + if (ifc->ifc_len < 0) + return EINVAL; + space = ifc->ifc_len; ifrp = ifc->ifc_req; } + memset(&ifr, 0, sizeof(ifr)); bound = curlwp_bind(); s = pserialize_read_enter();