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6890b8a3ae
The sunrpc function svcunix_create suffers from a stack-based buffer
overflow with overlong pathname arguments.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
(cherry picked from commit f545ad4928)
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Test to verify that long path is rejected by svcunix_create (bug 28768).
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Copyright (C) 2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <rpc/svc.h>
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#include <shlib-compat.h>
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#include <string.h>
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#include <support/check.h>
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/* svcunix_create does not have a default version in linkobj/libc.so. */
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compat_symbol_reference (libc, svcunix_create, svcunix_create, GLIBC_2_1);
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static int
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do_test (void)
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{
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char pathname[109];
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memset (pathname, 'x', sizeof (pathname));
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pathname[sizeof (pathname) - 1] = '\0';
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errno = 0;
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TEST_VERIFY (svcunix_create (RPC_ANYSOCK, 4096, 4096, pathname) == NULL);
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TEST_COMPARE (errno, EINVAL);
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return 0;
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}
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#include <support/test-driver.c>
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