automatic import of glibcopeneuler22.03_LTS_SP4openeuler22.03_LTS_SP3openeuler20.03

1 files changed, 89 insertions, 0 deletions

diff --git a/sunrpc-Test-case-for-clnt_create-unix-buffer-overflo.patch b/sunrpc-Test-case-for-clnt_create-unix-buffer-overflo.patch
new file mode 100644
index 0000000..8d2bec4
--- /dev/null
+++ b/sunrpc-Test-case-for-clnt_create-unix-buffer-overflo.patch
@@ -0,0 +1,89 @@
+From ef972a4c50014a16132b5c75571cfb6b30bef136 Mon Sep 17 00:00:00 2001
+From: Martin Sebor <msebor@redhat.com>
+Date: Mon, 17 Jan 2022 10:21:34 +0100
+Subject: [PATCH] sunrpc: Test case for clnt_create "unix" buffer overflow (bug
+ 22542)
+
+Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
+---
+ sunrpc/Makefile       |  5 ++++-
+ sunrpc/tst-bug22542.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 48 insertions(+), 1 deletion(-)
+ create mode 100644 sunrpc/tst-bug22542.c
+
+diff --git a/sunrpc/Makefile b/sunrpc/Makefile
+index 9a31fe4..183ef3d 100644
+--- a/sunrpc/Makefile
++++ b/sunrpc/Makefile
+@@ -65,7 +65,8 @@ shared-only-routines = $(routines)
+ endif
+ 
+ tests = tst-xdrmem tst-xdrmem2 test-rpcent tst-udp-error tst-udp-timeout \
+-  tst-udp-nonblocking
++  tst-udp-nonblocking tst-bug22542
++
+ xtests := tst-getmyaddr
+ 
+ ifeq ($(have-thread-library),yes)
+@@ -110,6 +111,8 @@ $(objpfx)tst-udp-nonblocking: $(common-objpfx)linkobj/libc.so
+ $(objpfx)tst-udp-garbage: \
+   $(common-objpfx)linkobj/libc.so $(shared-thread-library)
+ 
++$(objpfx)tst-bug22542: $(common-objpfx)linkobj/libc.so
++
+ else # !have-GLIBC_2.31
+ 
+ routines = $(routines-for-nss)
+diff --git a/sunrpc/tst-bug22542.c b/sunrpc/tst-bug22542.c
+new file mode 100644
+index 0000000..d6cd797
+--- /dev/null
++++ b/sunrpc/tst-bug22542.c
+@@ -0,0 +1,44 @@
++/* Test to verify that overlong hostname is rejected by clnt_create
++   and doesn't cause a buffer overflow (bug  22542).
++
++   Copyright (C) 2022 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#include <errno.h>
++#include <rpc/clnt.h>
++#include <string.h>
++#include <support/check.h>
++#include <sys/socket.h>
++#include <sys/un.h>
++
++static int
++do_test (void)
++{
++  /* Create an arbitrary hostname that's longer than fits in sun_path.  */
++  char name [sizeof ((struct sockaddr_un*)0)->sun_path * 2];
++  memset (name, 'x', sizeof name - 1);
++  name [sizeof name - 1] = '\0';
++
++  errno = 0;
++  CLIENT *clnt = clnt_create (name, 0, 0, "unix");
++
++  TEST_VERIFY (clnt == NULL);
++  TEST_COMPARE (errno, EINVAL);
++  return 0;
++}
++
++#include <support/test-driver.c>
+-- 
+1.8.3.1
+