From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Cc: Florian Weimer <fweimer@redhat.com>,
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Subject: [PATCH v9 3/3] elf: Add a test for PT_LOAD segments with invalid p_align [BZ #28688]
Date: Fri, 21 Jan 2022 13:12:05 -0800 [thread overview]
Message-ID: <20220121211205.268178-4-hjl.tools@gmail.com> (raw)
In-Reply-To: <20220121211205.268178-1-hjl.tools@gmail.com>
Build tst-p_alignmod3.so with 256 byte page size and verify that it is
rejected with a proper error message.
---
elf/Makefile | 9 +++++++++
elf/tst-p_align3.c | 27 +++++++++++++++++++++++++++
elf/tst-p_align3.sh | 27 +++++++++++++++++++++++++++
elf/tst-p_alignmod3.c | 25 +++++++++++++++++++++++++
4 files changed, 88 insertions(+)
create mode 100644 elf/tst-p_align3.c
create mode 100755 elf/tst-p_align3.sh
create mode 100644 elf/tst-p_alignmod3.c
diff --git a/elf/Makefile b/elf/Makefile
index c63abab44b..ad1c0ea7b6 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -416,6 +416,7 @@ tests += \
tst-p_alignmod2-edit \
tst-p_align1 \
tst-p_align2 \
+ tst-p_align3 \
tst-relsort1 \
tst-ro-dynamic \
tst-rtld-run-static \
@@ -733,6 +734,7 @@ modules-names = \
tst-nodelete-opened-lib \
tst-null-argv-lib \
tst-p_alignmod-base \
+ tst-p_alignmod3 \
tst-relsort1mod1 \
tst-relsort1mod2 \
tst-ro-dynamic-mod \
@@ -2608,3 +2610,10 @@ $(objpfx)tst-p_alignmod2.so: $(objpfx)tst-p_alignmod2-edit \
cp $(objpfx)tst-p_alignmod-base.so $@
$(test-wrapper-env) $(run-program-env) $(rtld-prefix) \
$(objpfx)tst-p_alignmod2-edit $@
+
+LDFLAGS-tst-p_alignmod3.so += -Wl,-z,max-page-size=0x100,-z,common-page-size=0x100
+
+$(objpfx)tst-p_align3: $(objpfx)tst-p_alignmod3.so
+$(objpfx)tst-p_align3.out: tst-p_align3.sh $(objpfx)tst-p_align3
+ $(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
+ $(evaluate-test)
diff --git a/elf/tst-p_align3.c b/elf/tst-p_align3.c
new file mode 100644
index 0000000000..8be9f311bd
--- /dev/null
+++ b/elf/tst-p_align3.c
@@ -0,0 +1,27 @@
+/* Check invalid p_align of PT_LOAD segments in a shared library.
+ Copyright (C) 2022 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 "tst-p_align.h"
+
+static int
+do_test (void)
+{
+ return do_load_test ();
+}
+
+#include <support/test-driver.c>
diff --git a/elf/tst-p_align3.sh b/elf/tst-p_align3.sh
new file mode 100755
index 0000000000..688c4b34cc
--- /dev/null
+++ b/elf/tst-p_align3.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+# Check invalid p_align of PT_LOAD segments in a shared library.
+# Copyright (C) 2022 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/>.
+
+common_objpfx=$1; shift
+test_program_prefix=$1; shift
+
+${test_program_prefix} \
+ ${common_objpfx}elf/tst-p_align3 \
+ 2> ${common_objpfx}elf/tst-p_align3.out
+test $? -ne 127 && exit 1
+grep "ELF load command address/offset not page-aligned" ${common_objpfx}elf/tst-p_align3.out
diff --git a/elf/tst-p_alignmod3.c b/elf/tst-p_alignmod3.c
new file mode 100644
index 0000000000..c15de3d6f2
--- /dev/null
+++ b/elf/tst-p_alignmod3.c
@@ -0,0 +1,25 @@
+/* Check invalid p_align of PT_LOAD segment in a shared library.
+ Copyright (C) 2022 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 "tst-p_align.h"
+
+int
+do_load_test (void)
+{
+ return 0;
+}
--
2.34.1
next prev parent reply other threads:[~2022-01-21 21:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-21 21:12 [PATCH v9 0/3] Add p_align tests for PT_LOAD segments H.J. Lu
2022-01-21 21:12 ` [PATCH v9 1/3] elf: Add a test for PT_LOAD segments with mixed p_align [BZ #28676] H.J. Lu
2022-01-24 14:16 ` Adhemerval Zanella
2022-01-24 21:21 ` Joseph Myers
2022-01-25 11:33 ` Adhemerval Zanella
2022-01-26 10:02 ` Florian Weimer
2022-01-21 21:12 ` [PATCH v9 2/3] elf: Add a test for PT_LOAD segments with p_align == 1 [BZ #28688] H.J. Lu
2022-01-24 14:16 ` Adhemerval Zanella
2022-01-21 21:12 ` H.J. Lu [this message]
2022-01-24 14:17 ` [PATCH v9 3/3] elf: Add a test for PT_LOAD segments with invalid p_align " Adhemerval Zanella
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