elf: Add audit tests for modules with TLSDESC

Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Adhemerval Zanella 2021-06-30 15:51:31 -03:00
parent 063f9ba220
commit d1b38173c9
6 changed files with 242 additions and 0 deletions

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@ -394,6 +394,22 @@ modules-names += tst-gnu2-tls1mod
$(objpfx)tst-gnu2-tls1: $(objpfx)tst-gnu2-tls1mod.so
tst-gnu2-tls1mod.so-no-z-defs = yes
CFLAGS-tst-gnu2-tls1mod.c += -mtls-dialect=gnu2
tests += tst-audit-tlsdesc tst-audit-tlsdesc-dlopen
modules-names += tst-audit-tlsdesc-mod1 tst-audit-tlsdesc-mod2 tst-auditmod-tlsdesc
$(objpfx)tst-audit-tlsdesc: $(objpfx)tst-audit-tlsdesc-mod1.so \
$(objpfx)tst-audit-tlsdesc-mod2.so \
$(shared-thread-library)
CFLAGS-tst-audit-tlsdesc-mod1.c += -mtls-dialect=gnu2
CFLAGS-tst-audit-tlsdesc-mod2.c += -mtls-dialect=gnu2
$(objpfx)tst-audit-tlsdesc-dlopen: $(shared-thread-library)
$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-audit-tlsdesc-mod1.so \
$(objpfx)tst-audit-tlsdesc-mod2.so
$(objpfx)tst-audit-tlsdesc-mod1.so: $(objpfx)tst-audit-tlsdesc-mod2.so
$(objpfx)tst-audit-tlsdesc.out: $(objpfx)tst-auditmod-tlsdesc.so
tst-audit-tlsdesc-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so
$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-auditmod-tlsdesc.so
tst-audit-tlsdesc-dlopen-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so
endif
ifeq (yes,$(have-protected-data))
modules-names += tst-protected1moda tst-protected1modb

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@ -0,0 +1,67 @@
/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
#include <support/check.h>
#include <support/xthread.h>
#include <support/xdlfcn.h>
static void *
thr_func (void *mod)
{
int* (*get_global1)(void) = xdlsym (mod, "get_global1");
int* (*get_global2)(void) = xdlsym (mod, "get_global2");
void (*set_global2)(int) = xdlsym (mod, "set_global2");
int* (*get_local1)(void) = xdlsym (mod, "get_local1");
int* (*get_local2)(void) = xdlsym (mod, "get_local2");
int *global1 = get_global1 ();
TEST_COMPARE (*global1, 0);
++*global1;
int *global2 = get_global2 ();
TEST_COMPARE (*global2, 0);
++*global2;
TEST_COMPARE (*global2, 1);
set_global2 (10);
TEST_COMPARE (*global2, 10);
int *local1 = get_local1 ();
TEST_COMPARE (*local1, 0);
++*local1;
int *local2 = get_local2 ();
TEST_COMPARE (*local2, 0);
++*local2;
return 0;
}
static int
do_test (void)
{
void *mod = xdlopen ("tst-audit-tlsdesc-mod1.so", RTLD_LAZY);
pthread_t thr = xpthread_create (NULL, thr_func, mod);
void *r = xpthread_join (thr);
TEST_VERIFY (r == NULL);
return 0;
}
#include <support/test-driver.c>

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@ -0,0 +1,41 @@
/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
__thread int global1;
int *
get_global1 (void)
{
return &global1;
}
static __thread int local1;
void *
get_local1 (void)
{
return &local1;
}
extern __thread int global2;
void
set_global2 (int v)
{
global2 = v;
}

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@ -0,0 +1,33 @@
/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
__thread int global2;
int *
get_global2 (void)
{
return &global2;
}
static __thread int local2;
void *
get_local2 (void)
{
return &local2;
}

60
elf/tst-audit-tlsdesc.c Normal file
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@ -0,0 +1,60 @@
/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
#include <support/check.h>
#include <support/xthread.h>
extern __thread int global1;
extern __thread int global2;
void *get_local1 (void);
void set_global2 (int v);
void *get_local2 (void);
static void *
thr_func (void *clousure)
{
TEST_COMPARE (global1, 0);
++global1;
TEST_COMPARE (global2, 0);
++global2;
TEST_COMPARE (global2, 1);
set_global2 (10);
TEST_COMPARE (global2, 10);
int *local1 = get_local1 ();
TEST_COMPARE (*local1, 0);
++*local1;
int *local2 = get_local2 ();
TEST_COMPARE (*local2, 0);
++*local2;
return 0;
}
static int
do_test (void)
{
pthread_t thr = xpthread_create (NULL, thr_func, NULL);
void *r = xpthread_join (thr);
TEST_VERIFY (r == NULL);
return 0;
}
#include <support/test-driver.c>

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@ -0,0 +1,25 @@
/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
#include <link.h>
unsigned int
la_version (unsigned int version)
{
return LAV_CURRENT;
}