|
 |
9832fd |
Partial backport of:
|
|
|
9832fd |
|
|
|
9832fd |
commit 7d3db434f910c23591f748a6d0ac3548af1048bb
|
|
|
9832fd |
Author: Florian Weimer <fweimer@redhat.com>
|
|
|
9832fd |
Date: Thu Oct 17 08:51:21 2019 +0200
|
|
|
9832fd |
|
|
|
9832fd |
Rename and split elf/tst-dlopen-aout collection of tests
|
|
|
9832fd |
|
|
|
9832fd |
From the beginning, elf/tst-dlopen-aout has exercised two different
|
|
|
9832fd |
bugs: (a) failure to report errors for a dlopen of the executable
|
|
|
9832fd |
itself in some cases (bug 24900) and (b) incorrect rollback of the
|
|
|
9832fd |
TLS modid allocation in case of a dlopen failure (bug 16634).
|
|
|
9832fd |
|
|
|
9832fd |
This commit replaces the test with elf/tst-dlopen-self for (a) and
|
|
|
9832fd |
elf/tst-dlopen-tlsmodid for (b). The latter tests use the
|
|
|
9832fd |
elf/tst-dlopen-self binaries (or iconv) with dlopen, so they are
|
|
|
9832fd |
no longer self-dlopen tests.
|
|
|
9832fd |
|
|
|
9832fd |
Tested on x86_64-linux-gnu and i686-linux-gnu, with a toolchain that
|
|
|
9832fd |
does not default to PIE.
|
|
|
9832fd |
|
|
|
9832fd |
Only the non-PIE, non-container test elf/tst-dlopen-tlsmodid is
|
|
|
9832fd |
included. The reason is that the self-dlopen fixes and the PIE TLS
|
|
|
9832fd |
modid fix have not been backported, and that container testing support
|
|
|
9832fd |
is missing downstream. The test binary is adjusted to tst-tls10
|
|
|
9832fd |
because tst-dlopen-self does not exist in the backport.
|
|
|
9832fd |
|
|
|
9832fd |
diff --git a/elf/Makefile b/elf/Makefile
|
|
|
9832fd |
index cfd039fc9dfb0be7..c22008b54afc91f5 100644
|
|
|
9832fd |
--- a/elf/Makefile
|
|
|
9832fd |
+++ b/elf/Makefile
|
|
|
9832fd |
@@ -153,7 +153,7 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
|
|
|
9832fd |
tst-stackguard1 tst-addr1 tst-thrlock \
|
|
|
9832fd |
tst-unique1 tst-unique2 tst-unique3 tst-unique4 \
|
|
|
9832fd |
tst-initorder tst-initorder2 tst-relsort1 tst-ptrguard1 \
|
|
|
9832fd |
- tst-big-note
|
|
|
9832fd |
+ tst-big-note tst-dlopen-tlsmodid
|
|
|
9832fd |
# reldep9
|
|
|
9832fd |
test-srcs = tst-pathopt
|
|
|
9832fd |
selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null)
|
|
|
9832fd |
@@ -1101,6 +1101,9 @@ $(objpfx)tst-addr1: $(libdl)
|
|
|
9832fd |
|
|
|
9832fd |
$(objpfx)tst-thrlock: $(libdl) $(shared-thread-library)
|
|
|
9832fd |
|
|
|
9832fd |
+$(objpfx)tst-dlopen-tlsmodid: $(libdl) $(shared-thread-library)
|
|
|
9832fd |
+$(objpfx)tst-dlopen-tlsmodid.out: $(objpfx)tst-tls10
|
|
|
9832fd |
+
|
|
|
9832fd |
CFLAGS-ifuncmain1pic.c += $(pic-ccflag)
|
|
|
9832fd |
CFLAGS-ifuncmain1picstatic.c += $(pic-ccflag)
|
|
|
9832fd |
CFLAGS-ifuncmain1staticpic.c += $(pic-ccflag)
|
|
|
9832fd |
diff --git a/elf/tst-dlopen-tlsmodid.c b/elf/tst-dlopen-tlsmodid.c
|
|
|
9832fd |
new file mode 100644
|
|
|
9832fd |
index 0000000000000000..c5b1c39369aa610c
|
|
|
9832fd |
--- /dev/null
|
|
|
9832fd |
+++ b/elf/tst-dlopen-tlsmodid.c
|
|
|
9832fd |
@@ -0,0 +1,25 @@
|
|
|
9832fd |
+/* Test case for BZ #16634. Non-PIE version.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ Verify that incorrectly dlopen()ing an executable without
|
|
|
9832fd |
+ __RTLD_OPENEXEC does not cause assertion in ld.so, and that it
|
|
|
9832fd |
+ actually results in an error.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ Copyright (C) 2014-2019 Free Software Foundation, Inc.
|
|
|
9832fd |
+ This file is part of the GNU C Library.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
9832fd |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
9832fd |
+ License as published by the Free Software Foundation; either
|
|
|
9832fd |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
9832fd |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
9832fd |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
9832fd |
+ Lesser General Public License for more details.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
9832fd |
+ License along with the GNU C Library; if not, see
|
|
|
9832fd |
+ <https://www.gnu.org/licenses/>. */
|
|
|
9832fd |
+
|
|
|
9832fd |
+#define TST_DLOPEN_TLSMODID_PATH "tst-tls10"
|
|
|
9832fd |
+#include "tst-dlopen-tlsmodid.h"
|
|
|
9832fd |
diff --git a/elf/tst-dlopen-tlsmodid.h b/elf/tst-dlopen-tlsmodid.h
|
|
|
9832fd |
new file mode 100644
|
|
|
9832fd |
index 0000000000000000..c747cb14911c72fa
|
|
|
9832fd |
--- /dev/null
|
|
|
9832fd |
+++ b/elf/tst-dlopen-tlsmodid.h
|
|
|
9832fd |
@@ -0,0 +1,87 @@
|
|
|
9832fd |
+/* Common code for tst-dlopen-tlsmodid, tst-dlopen-tlsmodid-pie,
|
|
|
9832fd |
+ tst-dlopen-tlsmodid-container.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ Verify that incorrectly dlopen()ing an executable without
|
|
|
9832fd |
+ __RTLD_OPENEXEC does not cause assertion in ld.so, and that it
|
|
|
9832fd |
+ actually results in an error.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ Copyright (C) 2014-2019 Free Software Foundation, Inc.
|
|
|
9832fd |
+ This file is part of the GNU C Library.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ The GNU C Library is free software; you can redistribute it and/or
|
|
|
9832fd |
+ modify it under the terms of the GNU Lesser General Public
|
|
|
9832fd |
+ License as published by the Free Software Foundation; either
|
|
|
9832fd |
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ The GNU C Library is distributed in the hope that it will be useful,
|
|
|
9832fd |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
9832fd |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
9832fd |
+ Lesser General Public License for more details.
|
|
|
9832fd |
+
|
|
|
9832fd |
+ You should have received a copy of the GNU Lesser General Public
|
|
|
9832fd |
+ License along with the GNU C Library; if not, see
|
|
|
9832fd |
+ <https://www.gnu.org/licenses/>. */
|
|
|
9832fd |
+
|
|
|
9832fd |
+/* Before including this file, the macro TST_DLOPEN_TLSMODID_PATH must
|
|
|
9832fd |
+ be defined, to specify the path used for the open operation. */
|
|
|
9832fd |
+
|
|
|
9832fd |
+#include <dlfcn.h>
|
|
|
9832fd |
+#include <pthread.h>
|
|
|
9832fd |
+#include <stdio.h>
|
|
|
9832fd |
+#include <stdlib.h>
|
|
|
9832fd |
+#include <string.h>
|
|
|
9832fd |
+#include <support/check.h>
|
|
|
9832fd |
+#include <support/support.h>
|
|
|
9832fd |
+#include <support/xthread.h>
|
|
|
9832fd |
+
|
|
|
9832fd |
+__thread int x;
|
|
|
9832fd |
+
|
|
|
9832fd |
+void *
|
|
|
9832fd |
+fn (void *p)
|
|
|
9832fd |
+{
|
|
|
9832fd |
+ return p;
|
|
|
9832fd |
+}
|
|
|
9832fd |
+
|
|
|
9832fd |
+/* Call dlopen and check that fails with an error message indicating
|
|
|
9832fd |
+ an attempt to open an ET_EXEC or PIE object. */
|
|
|
9832fd |
+static void
|
|
|
9832fd |
+check_dlopen_failure (void)
|
|
|
9832fd |
+{
|
|
|
9832fd |
+ void *handle = dlopen (TST_DLOPEN_TLSMODID_PATH, RTLD_LAZY);
|
|
|
9832fd |
+ if (handle != NULL)
|
|
|
9832fd |
+ FAIL_EXIT1 ("dlopen succeeded unexpectedly: %s", TST_DLOPEN_TLSMODID_PATH);
|
|
|
9832fd |
+
|
|
|
9832fd |
+ const char *message = dlerror ();
|
|
|
9832fd |
+ TEST_VERIFY_EXIT (message != NULL);
|
|
|
9832fd |
+ if ((strstr (message,
|
|
|
9832fd |
+ "cannot dynamically load position-independent executable")
|
|
|
9832fd |
+ == NULL)
|
|
|
9832fd |
+ && strstr (message, "cannot dynamically load executable") == NULL)
|
|
|
9832fd |
+ FAIL_EXIT1 ("invalid dlopen error message: \"%s\"", message);
|
|
|
9832fd |
+}
|
|
|
9832fd |
+
|
|
|
9832fd |
+static int
|
|
|
9832fd |
+do_test (int argc, char *argv[])
|
|
|
9832fd |
+{
|
|
|
9832fd |
+ int j;
|
|
|
9832fd |
+
|
|
|
9832fd |
+ for (j = 0; j < 100; ++j)
|
|
|
9832fd |
+ {
|
|
|
9832fd |
+ pthread_t thr;
|
|
|
9832fd |
+
|
|
|
9832fd |
+ check_dlopen_failure ();
|
|
|
9832fd |
+
|
|
|
9832fd |
+ /* We create threads to force TLS allocation, which triggers
|
|
|
9832fd |
+ the original bug i.e. running out of surplus slotinfo entries
|
|
|
9832fd |
+ for TLS. */
|
|
|
9832fd |
+ thr = xpthread_create (NULL, fn, NULL);
|
|
|
9832fd |
+ xpthread_join (thr);
|
|
|
9832fd |
+ }
|
|
|
9832fd |
+
|
|
|
9832fd |
+ check_dlopen_failure ();
|
|
|
9832fd |
+
|
|
|
9832fd |
+ return 0;
|
|
|
9832fd |
+}
|
|
|
9832fd |
+
|
|
|
9832fd |
+#define TEST_FUNCTION_ARGV do_test
|
|
|
9832fd |
+#include <support/test-driver.c>
|