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elf: Test for LD_AUDIT module returning zero from la_version [BZ #24122]
This includes the original test case from commit
8e889c5da3 ("elf: Fix LD_AUDIT for
modules with invalid version (BZ#24122)).
This commit is contained in:
Adhemerval Zanella
Florian Weimer
parent
3b856d093f
commit
b3fbfe8196
10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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2019-02-12 Adhemerval Zanella <adhemerval.zanella@linaro.org>
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[BZ #24122]
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* elf/Makefile (tests): Add tst-audit13.
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(modules-names): Add tst-audit13mod1.
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(tst-audit13.out, LDFLAGS-tst-audit13mod1.so, tst-audit13-ENV): New
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rule.
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* elf/tst-audit13.c: New file.
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* elf/tst-audit13mod1.c: Likewise.
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2019-02-12 Florian Weimer <fweimer@redhat.com>
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[BZ #24122]
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@ -187,7 +187,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \
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tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \
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tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \
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tst-debug1 tst-main1 tst-absolute-sym tst-absolute-zero tst-big-note \
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tst-unwind-ctor tst-unwind-main
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tst-unwind-ctor tst-unwind-main tst-audit13
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# reldep9
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tests-internal += loadtest unload unload2 circleload1 \
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neededtest neededtest2 neededtest3 neededtest4 \
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@ -275,7 +275,8 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
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tst-latepthreadmod $(tst-tls-many-dynamic-modules) \
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tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin \
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tst-main1mod tst-libc_dlvsym-dso tst-absolute-sym-lib \
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tst-absolute-zero-lib tst-big-note-lib tst-unwind-ctor-lib
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tst-absolute-zero-lib tst-big-note-lib tst-unwind-ctor-lib \
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tst-audit13mod1
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# Most modules build with _ISOMAC defined, but those filtered out
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# depend on internal headers.
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modules-names-tests = $(filter-out ifuncmod% tst-libc_dlvsym-dso tst-tlsmod%,\
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@ -1392,6 +1393,10 @@ tst-audit12-ENV = LD_AUDIT=$(objpfx)tst-auditmod12.so
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$(objpfx)tst-audit12mod1.so: $(objpfx)tst-audit12mod2.so
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LDFLAGS-tst-audit12mod2.so = -Wl,--version-script=tst-audit12mod2.map
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$(objpfx)tst-audit13.out: $(objpfx)tst-audit13mod1.so
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LDFLAGS-tst-audit13mod1.so = -Wl,-z,lazy
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tst-audit13-ENV = LD_AUDIT=$(objpfx)tst-audit13mod1.so
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# Override -z defs, so that we can reference an undefined symbol.
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# Force lazy binding for the same reason.
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LDFLAGS-tst-latepthreadmod.so = \
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28
elf/tst-audit13.c
Normal file
28
elf/tst-audit13.c
Normal file
@ -0,0 +1,28 @@
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/* Check for invalid audit version (BZ#24122).
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Copyright (C) 2019 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 <stdio.h>
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static int
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do_test (void)
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{
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puts ("plt call");
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return 0;
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}
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#include <support/test-driver.c>
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93
elf/tst-audit13mod1.c
Normal file
93
elf/tst-audit13mod1.c
Normal file
@ -0,0 +1,93 @@
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/* Check for invalid audit version (BZ#24122).
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Copyright (C) 2019 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 <link.h>
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#include <stdlib.h>
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unsigned int
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la_version (unsigned int version)
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{
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/* The audit specification says that a version of 0 or a version
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greater than any version supported by the dynamic loader shall
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cause the module to be ignored. */
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return 0;
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}
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void
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la_activity (uintptr_t *cookie, unsigned int flag)
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{
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exit (EXIT_FAILURE);
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}
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char *
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la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
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{
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exit (EXIT_FAILURE);
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}
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unsigned int
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la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t * cookie)
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{
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exit (EXIT_FAILURE);
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}
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void
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la_preinit (uintptr_t * cookie)
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{
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exit (EXIT_FAILURE);
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}
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uintptr_t
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#if __ELF_NATIVE_CLASS == 32
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la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, unsigned int *flags, const char *symname)
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#else
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la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, unsigned int *flags, const char *symname)
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#endif
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{
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exit (EXIT_FAILURE);
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}
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unsigned int
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la_objclose (uintptr_t * cookie)
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{
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exit (EXIT_FAILURE);
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}
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#include <tst-audit.h>
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#if (!defined (pltenter) || !defined (pltexit) || !defined (La_regs) \
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|| !defined (La_retval) || !defined (int_retval))
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# error "architecture specific code needed in sysdeps/CPU/tst-audit.h"
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#endif
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ElfW(Addr)
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pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_regs *regs, unsigned int *flags,
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const char *symname, long int *framesizep)
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{
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exit (EXIT_FAILURE);
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}
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unsigned int
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pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
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const char *symname)
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{
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exit (EXIT_FAILURE);
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}
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