[elf] Revert 8e889c5da3 (BZ#24122)

It triggers an invalid build issue on GCC8+ and does not covers all
corner cases.

4 files changed, 7 insertions, 153 deletions

diff --git a/elf/Makefile b/elf/Makefile
index c24d765..9cf5cd8 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -187,7 +187,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \
 	 tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \
 	 tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \
 	 tst-debug1 tst-main1 tst-absolute-sym tst-absolute-zero tst-big-note \
-	 tst-unwind-ctor tst-unwind-main tst-audit13
+	 tst-unwind-ctor tst-unwind-main
 #	 reldep9
 tests-internal += loadtest unload unload2 circleload1 \
 	 neededtest neededtest2 neededtest3 neededtest4 \
@@ -275,8 +275,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
 		tst-latepthreadmod $(tst-tls-many-dynamic-modules) \
 		tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin \
 		tst-main1mod tst-libc_dlvsym-dso tst-absolute-sym-lib \
-		tst-absolute-zero-lib tst-big-note-lib tst-unwind-ctor-lib \
-		tst-audit13mod1
+		tst-absolute-zero-lib tst-big-note-lib tst-unwind-ctor-lib
 # Most modules build with _ISOMAC defined, but those filtered out
 # depend on internal headers.
 modules-names-tests = $(filter-out ifuncmod% tst-libc_dlvsym-dso tst-tlsmod%,\
@@ -1383,10 +1382,6 @@ tst-audit12-ENV = LD_AUDIT=$(objpfx)tst-auditmod12.so
 $(objpfx)tst-audit12mod1.so: $(objpfx)tst-audit12mod2.so
 LDFLAGS-tst-audit12mod2.so = -Wl,--version-script=tst-audit12mod2.map
 
-$(objpfx)tst-audit13.out: $(objpfx)tst-audit13mod1.so
-LDFLAGS-tst-audit13mod1.so = -Wl,-z,lazy
-tst-audit13-ENV = LD_AUDIT=$(objpfx)tst-audit13mod1.so
-
 # Override -z defs, so that we can reference an undefined symbol.
 # Force lazy binding for the same reason.
 LDFLAGS-tst-latepthreadmod.so = \
diff --git a/elf/rtld.c b/elf/rtld.c
index 9e0f752..5d97f41 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -1453,12 +1453,10 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
 
 	      unsigned int (*laversion) (unsigned int);
 	      unsigned int lav;
-	      if (err_str != NULL)
-		goto not_loaded;
-
-	      if ((laversion = largs.result) != NULL
-		  && (lav = laversion (LAV_CURRENT)) > 0
-		  && lav <= LAV_CURRENT)
+	      if  (err_str == NULL
+		   && (laversion = largs.result) != NULL
+		   && (lav = laversion (LAV_CURRENT)) > 0
+		   && lav <= LAV_CURRENT)
 		{
 		  /* Allocate structure for the callback function pointers.
 		     This call can never fail.  */
@@ -1540,25 +1538,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
 		  assert (GL(dl_ns)[ns]._ns_nloaded == 0);
 
 		  GL(dl_tls_max_dtv_idx) = tls_idx;
-		  if (GLRO(dl_debug_mask) & DL_DEBUG_FILES)
-		    {
-		      _dl_debug_printf ("\
-\nfile=%s cannot be loaded as audit interface; ignored.\n", name);
-		      if (laversion == NULL)
-			_dl_debug_printf (
-"  la_version function not found.\n");
-		      else
-			{
-			  if (lav == 0)
-			    _dl_debug_printf (
-"  auditor requested to be ignored (returned version of 0).\n");
-			  else
-			    _dl_debug_printf (
-"  auditor disabled since expected version %d is greater than "
-"supported version %d.\n",
-					      lav, LAV_CURRENT);
-			}
-		    }
+		  goto not_loaded;
 		}
 	    }
 	}
diff --git a/elf/tst-audit13.c b/elf/tst-audit13.c
deleted file mode 100644
index 6f587ba..0000000
--- a/elf/tst-audit13.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Check for invalid audit version (BZ#24122).
-   Copyright (C) 2019 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 <stdio.h>
-
-static int
-do_test (void)
-{
-  puts ("plt call");
-  return 0;
-}
-
-#include <support/test-driver.c>
diff --git a/elf/tst-audit13mod1.c b/elf/tst-audit13mod1.c
deleted file mode 100644
index cf017e2..0000000
--- a/elf/tst-audit13mod1.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Check for invalid audit version (BZ#24122).
-   Copyright (C) 2019 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 <link.h>
-#include <stdlib.h>
-
-unsigned int
-la_version (unsigned int version)
-{
-  /* The audit specification says that a version of 0 or a version
-     greater than any version supported by the dynamic loader shall
-     cause the module to be ignored.  */
-  return 0;
-}
-
-void
-la_activity (uintptr_t *cookie, unsigned int flag)
-{
-  exit (EXIT_FAILURE);
-}
-
-char *
-la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
-{
-  exit (EXIT_FAILURE);
-}
-
-unsigned int
-la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t * cookie)
-{
-  exit (EXIT_FAILURE);
-}
-
-void
-la_preinit (uintptr_t * cookie)
-{
-  exit (EXIT_FAILURE);
-}
-
-uintptr_t
-#if __ELF_NATIVE_CLASS == 32
-la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
-              uintptr_t *defcook, unsigned int *flags, const char *symname)
-#else
-la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
-              uintptr_t *defcook, unsigned int *flags, const char *symname)
-#endif
-{
-  exit (EXIT_FAILURE);
-}
-
-unsigned int
-la_objclose (uintptr_t * cookie)
-{
-  exit (EXIT_FAILURE);
-}
-
-#include <tst-audit.h>
-#if (!defined (pltenter) || !defined (pltexit) || !defined (La_regs) \
-     || !defined (La_retval) || !defined (int_retval))
-# error "architecture specific code needed in sysdeps/CPU/tst-audit.h"
-#endif
-
-ElfW(Addr)
-pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
-          uintptr_t *defcook, La_regs *regs, unsigned int *flags,
-          const char *symname, long int *framesizep)
-{
-  exit (EXIT_FAILURE);
-}
-
-unsigned int
-pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
-         uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
-         const char *symname)
-{
-  exit (EXIT_FAILURE);
-}