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[src/trunk]: src ld.elf_so: Test dynamic-then-static abuse via ctor.



details:   https://anonhg.NetBSD.org/src/rev/8f2cae116fe2
branches:  trunk
changeset: 376138:8f2cae116fe2
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Fri Jun 02 19:09:11 2023 +0000

description:
ld.elf_so: Test dynamic-then-static abuse via ctor.

XXX pullup-10

diffstat:

 distrib/sets/lists/debug/shl.mi                                      |   3 +-
 distrib/sets/lists/tests/shl.mi                                      |   4 +-
 tests/libexec/ld.elf_so/Makefile                                     |   3 +-
 tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile             |  22 ++++++
 tests/libexec/ld.elf_so/helper_onlyctor_dynamic/h_onlyctor_dynamic.c |  36 ++++++++++
 tests/libexec/ld.elf_so/t_tls_extern.c                               |  19 +++++-
 6 files changed, 83 insertions(+), 4 deletions(-)

diffs (158 lines):

diff -r 67b2283af2d6 -r 8f2cae116fe2 distrib/sets/lists/debug/shl.mi
--- a/distrib/sets/lists/debug/shl.mi   Fri Jun 02 19:08:48 2023 +0000
+++ b/distrib/sets/lists/debug/shl.mi   Fri Jun 02 19:09:11 2023 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: shl.mi,v 1.309 2023/06/02 19:08:48 riastradh Exp $
+# $NetBSD: shl.mi,v 1.310 2023/06/02 19:09:11 riastradh Exp $
 ./usr/lib/libbfd_g.a                                           comp-c-debuglib debuglib,compatfile,binutils
 ./usr/libdata/debug/lib                                                base-sys-usr    debug,dynamicroot,compatdir
 ./usr/libdata/debug/lib/libavl.so.0.0.debug                    comp-zfs-debug  debug,dynamicroot,zfs
@@ -371,6 +371,7 @@
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_helper_dso2.so.1.debug    tests-libexec-debug     debug,compattestfile,atf
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_helper_dso3.so.1.debug    tests-libexec-debug     debug,compattestfile,atf
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_helper_ifunc_dso.so.1.debug       tests-libexec-debug     debug,compattestfile,atf
+./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_onlyctor_dynamic.so.1.debugtests-libexec-debug    debug,compattestfile,atf
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_onlydef.so.1.debug                tests-libexec-debug     debug,compattestfile,atf
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_onlyuse_dynamic.so.1.debug        tests-libexec-debug     debug,compattestfile,atf
 ./usr/libdata/debug/usr/tests/libexec/ld.elf_so/libh_onlyuse_static.so.1.debug tests-libexec-debug     debug,compattestfile,atf
diff -r 67b2283af2d6 -r 8f2cae116fe2 distrib/sets/lists/tests/shl.mi
--- a/distrib/sets/lists/tests/shl.mi   Fri Jun 02 19:08:48 2023 +0000
+++ b/distrib/sets/lists/tests/shl.mi   Fri Jun 02 19:09:11 2023 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: shl.mi,v 1.15 2023/06/02 19:08:48 riastradh Exp $
+# $NetBSD: shl.mi,v 1.16 2023/06/02 19:09:11 riastradh Exp $
 #
 ./usr/tests/lib/csu/h_initfini3_dso.so         tests-lib-tests         compattestfile,atf
 ./usr/tests/lib/csu/h_initfini3_dso.so.1       tests-lib-tests         compattestfile,atf
@@ -32,6 +32,8 @@
 ./usr/tests/libexec/ld.elf_so/libh_helper_dso3.so.1                            tests-libexec-tests     compattestfile,atf
 ./usr/tests/libexec/ld.elf_so/libh_helper_ifunc_dso.so                         tests-libexec-tests     compattestfile,atf
 ./usr/tests/libexec/ld.elf_so/libh_helper_ifunc_dso.so.1                       tests-libexec-tests     compattestfile,atf
+./usr/tests/libexec/ld.elf_so/libh_onlyctor_dynamic.so                         tests-libexec-tests     compattestfile,atf
+./usr/tests/libexec/ld.elf_so/libh_onlyctor_dynamic.so.1                       tests-libexec-tests     compattestfile,atf
 ./usr/tests/libexec/ld.elf_so/libh_onlydef.so                                  tests-libexec-tests     compattestfile,atf
 ./usr/tests/libexec/ld.elf_so/libh_onlydef.so.1                                        tests-libexec-tests     compattestfile,atf
 ./usr/tests/libexec/ld.elf_so/libh_onlyuse_dynamic.so                          tests-libexec-tests     compattestfile,atf
diff -r 67b2283af2d6 -r 8f2cae116fe2 tests/libexec/ld.elf_so/Makefile
--- a/tests/libexec/ld.elf_so/Makefile  Fri Jun 02 19:08:48 2023 +0000
+++ b/tests/libexec/ld.elf_so/Makefile  Fri Jun 02 19:09:11 2023 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.18 2023/06/02 19:08:48 riastradh Exp $
+# $NetBSD: Makefile,v 1.19 2023/06/02 19:09:11 riastradh Exp $
 #
 
 NOMAN=         # defined
@@ -19,6 +19,7 @@ SUBDIR+=      helper_onlydef
 SUBDIR+=       .WAIT
 SUBDIR+=       helper_abuse_dynamic
 SUBDIR+=       helper_abuse_static
+SUBDIR+=       helper_onlyctor_dynamic
 SUBDIR+=       helper_onlyuse_dynamic
 SUBDIR+=       helper_onlyuse_static
 SUBDIR+=       helper_use_dynamic
diff -r 67b2283af2d6 -r 8f2cae116fe2 tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile  Fri Jun 02 19:09:11 2023 +0000
@@ -0,0 +1,22 @@
+#      $NetBSD: Makefile,v 1.1 2023/06/02 19:09:11 riastradh Exp $
+
+.include <bsd.own.mk>
+
+LIB=           h_onlyctor_dynamic
+SRCS=          h_onlyctor_dynamic.c
+
+DEF_DIR!=      cd ${.CURDIR}/../helper_onlydef && ${PRINTOBJDIR}
+LDADD+=                -Wl,-rpath,${TESTSDIR} -L${DEF_DIR} -lh_onlydef
+
+LIBDIR=                ${TESTSBASE}/libexec/ld.elf_so
+SHLIBDIR=      ${TESTSBASE}/libexec/ld.elf_so
+SHLIB_MAJOR=   1
+
+MKSTATICLIB=   no
+MKPROFILE=     no
+MKPICINSTALL=  no
+MKLINT=                no
+
+NOMAN=         # defined
+
+.include <bsd.lib.mk>
diff -r 67b2283af2d6 -r 8f2cae116fe2 tests/libexec/ld.elf_so/helper_onlyctor_dynamic/h_onlyctor_dynamic.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/libexec/ld.elf_so/helper_onlyctor_dynamic/h_onlyctor_dynamic.c      Fri Jun 02 19:09:11 2023 +0000
@@ -0,0 +1,36 @@
+/*     $NetBSD: h_onlyctor_dynamic.c,v 1.1 2023/06/02 19:09:11 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2023 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+extern __thread int mysym;     /* dynamic */
+int *mysymptr;
+
+static void __attribute__((constructor))
+init(void)
+{
+       mysymptr = &mysym;
+}
diff -r 67b2283af2d6 -r 8f2cae116fe2 tests/libexec/ld.elf_so/t_tls_extern.c
--- a/tests/libexec/ld.elf_so/t_tls_extern.c    Fri Jun 02 19:08:48 2023 +0000
+++ b/tests/libexec/ld.elf_so/t_tls_extern.c    Fri Jun 02 19:09:11 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_tls_extern.c,v 1.10 2023/06/02 19:08:48 riastradh Exp $      */
+/*     $NetBSD: t_tls_extern.c,v 1.11 2023/06/02 19:09:11 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -285,6 +285,22 @@ ATF_TC_BODY(static_usedefnoload, tc)
            USE_DEF_NOLOAD, /*xfail*/true);
 }
 
+ATF_TC(onlydef_dynamic_static_ctor);
+ATF_TC_HEAD(onlydef_dynamic_static_ctor, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "definition-only library,"
+           " dynamic load and use in ctor, then static load fails");
+}
+ATF_TC_BODY(onlydef_dynamic_static_ctor, tc)
+{
+
+       ATF_REQUIRE_DL(dlopen("libh_onlydef.so", 0));
+       ATF_REQUIRE_DL(dlopen("libh_onlyctor_dynamic.so", 0));
+       atf_tc_expect_fail("rtld fails to detect dynamic-then-static abuse");
+       ATF_CHECK_EQ_MSG(NULL, dlopen("libh_onlyuse_static.so", 0),
+           "dlopen failed to detect dynamic-then-static abuse");
+}
+
 ATF_TC(onlydef_dynamic_static_eager);
 ATF_TC_HEAD(onlydef_dynamic_static_eager, tc)
 {
@@ -393,6 +409,7 @@ ATF_TP_ADD_TCS(tp)
        ATF_TP_ADD_TC(tp, dynamic_defuse_lazy);
        ATF_TP_ADD_TC(tp, dynamic_usedef);
        ATF_TP_ADD_TC(tp, dynamic_usedefnoload);
+       ATF_TP_ADD_TC(tp, onlydef_dynamic_static_ctor);
        ATF_TP_ADD_TC(tp, onlydef_dynamic_static_eager);
        ATF_TP_ADD_TC(tp, onlydef_dynamic_static_lazy);
        ATF_TP_ADD_TC(tp, onlydef_static_dynamic_eager);



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