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(localhost [IPv6:::1]) by gnu-tgl-3.localdomain (Postfix) with ESMTP id 13D44C068E; Tue, 18 Jan 2022 13:57:32 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v8 4/4] elf: Add a test for PT_LOAD segments with invalid p_align [BZ #28688] Date: Tue, 18 Jan 2022 13:57:31 -0800 Message-Id: <20220118215731.1320930-5-hjl.tools@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220118215731.1320930-1-hjl.tools@gmail.com> References: <20220118215731.1320930-1-hjl.tools@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-3029.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Libc-alpha" From: "H.J. Lu" Reply-To: "H.J. Lu" Cc: Florian Weimer Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" 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 92a6a3baf1..d3232ce5ff 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 \ @@ -2607,3 +2609,10 @@ $(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 + . */ + +#include "tst-p_align.h" + +static int +do_test (void) +{ + return do_load_test (); +} + +#include 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 +# . + +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 + . */ + +#include "tst-p_align.h" + +int +do_load_test (void) +{ + return 0; +}