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[135.23.175.80]) by smtp.gmail.com with ESMTPSA id j19-20020a05622a039300b002ecc2ebfd87sm10953840qtx.32.2022.04.12.11.42.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 11:42:40 -0700 (PDT) From: Carlos O'Donell To: libc-stable@sourceware.org Cc: Adhemerval Zanella , Florian Weimer Subject: [PATCH 17/27] elf: Add audit tests for modules with TLSDESC Date: Tue, 12 Apr 2022 14:41:55 -0400 Message-Id: <20220412184205.3343677-18-carlos@redhat.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220412184205.3343677-1-carlos@redhat.com> References: <20220412184205.3343677-1-carlos@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: application/octet-stream; x-default=true X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, 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-stable@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-stable mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Apr 2022 18:42:44 -0000 From: Adhemerval Zanella Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Florian Weimer (cherry picked from commit d1b38173c9255b1a4ae00018ad9b35404a7c74d0) --- elf/Makefile | 16 ++++++++ elf/tst-audit-tlsdesc-dlopen.c | 67 ++++++++++++++++++++++++++++++++++ elf/tst-audit-tlsdesc-mod1.c | 41 +++++++++++++++++++++ elf/tst-audit-tlsdesc-mod2.c | 33 +++++++++++++++++ elf/tst-audit-tlsdesc.c | 60 ++++++++++++++++++++++++++++++ elf/tst-auditmod-tlsdesc.c | 25 +++++++++++++ 6 files changed, 242 insertions(+) create mode 100644 elf/tst-audit-tlsdesc-dlopen.c create mode 100644 elf/tst-audit-tlsdesc-mod1.c create mode 100644 elf/tst-audit-tlsdesc-mod2.c create mode 100644 elf/tst-audit-tlsdesc.c create mode 100644 elf/tst-auditmod-tlsdesc.c diff --git a/elf/Makefile b/elf/Makefile index ff20a15457..733b4c658d 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -791,6 +791,22 @@ modules-names += tst-gnu2-tls1mod $(objpfx)tst-gnu2-tls1: $(objpfx)tst-gnu2-tls1mod.so tst-gnu2-tls1mod.so-no-z-defs = yes CFLAGS-tst-gnu2-tls1mod.c += -mtls-dialect=gnu2 + +tests += tst-audit-tlsdesc tst-audit-tlsdesc-dlopen +modules-names += tst-audit-tlsdesc-mod1 tst-audit-tlsdesc-mod2 tst-auditmod-tlsdesc +$(objpfx)tst-audit-tlsdesc: $(objpfx)tst-audit-tlsdesc-mod1.so \ + $(objpfx)tst-audit-tlsdesc-mod2.so \ + $(shared-thread-library) +CFLAGS-tst-audit-tlsdesc-mod1.c += -mtls-dialect=gnu2 +CFLAGS-tst-audit-tlsdesc-mod2.c += -mtls-dialect=gnu2 +$(objpfx)tst-audit-tlsdesc-dlopen: $(shared-thread-library) +$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-audit-tlsdesc-mod1.so \ + $(objpfx)tst-audit-tlsdesc-mod2.so +$(objpfx)tst-audit-tlsdesc-mod1.so: $(objpfx)tst-audit-tlsdesc-mod2.so +$(objpfx)tst-audit-tlsdesc.out: $(objpfx)tst-auditmod-tlsdesc.so +tst-audit-tlsdesc-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so +$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-auditmod-tlsdesc.so +tst-audit-tlsdesc-dlopen-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so endif ifeq (yes,$(have-protected-data)) modules-names += tst-protected1moda tst-protected1modb diff --git a/elf/tst-audit-tlsdesc-dlopen.c b/elf/tst-audit-tlsdesc-dlopen.c new file mode 100644 index 0000000000..9c16bb087a --- /dev/null +++ b/elf/tst-audit-tlsdesc-dlopen.c @@ -0,0 +1,67 @@ +/* DT_AUDIT with modules with TLSDESC. + Copyright (C) 2021 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 +#include +#include + +static void * +thr_func (void *mod) +{ + int* (*get_global1)(void) = xdlsym (mod, "get_global1"); + int* (*get_global2)(void) = xdlsym (mod, "get_global2"); + void (*set_global2)(int) = xdlsym (mod, "set_global2"); + int* (*get_local1)(void) = xdlsym (mod, "get_local1"); + int* (*get_local2)(void) = xdlsym (mod, "get_local2"); + + int *global1 = get_global1 (); + TEST_COMPARE (*global1, 0); + ++*global1; + + int *global2 = get_global2 (); + TEST_COMPARE (*global2, 0); + ++*global2; + TEST_COMPARE (*global2, 1); + + set_global2 (10); + TEST_COMPARE (*global2, 10); + + int *local1 = get_local1 (); + TEST_COMPARE (*local1, 0); + ++*local1; + + int *local2 = get_local2 (); + TEST_COMPARE (*local2, 0); + ++*local2; + + return 0; +} + +static int +do_test (void) +{ + void *mod = xdlopen ("tst-audit-tlsdesc-mod1.so", RTLD_LAZY); + + pthread_t thr = xpthread_create (NULL, thr_func, mod); + void *r = xpthread_join (thr); + TEST_VERIFY (r == NULL); + + return 0; +} + +#include diff --git a/elf/tst-audit-tlsdesc-mod1.c b/elf/tst-audit-tlsdesc-mod1.c new file mode 100644 index 0000000000..61c7dd99a2 --- /dev/null +++ b/elf/tst-audit-tlsdesc-mod1.c @@ -0,0 +1,41 @@ +/* DT_AUDIT with modules with TLSDESC. + Copyright (C) 2021 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 + . */ + +__thread int global1; + +int * +get_global1 (void) +{ + return &global1; +} + +static __thread int local1; + +void * +get_local1 (void) +{ + return &local1; +} + +extern __thread int global2; + +void +set_global2 (int v) +{ + global2 = v; +} diff --git a/elf/tst-audit-tlsdesc-mod2.c b/elf/tst-audit-tlsdesc-mod2.c new file mode 100644 index 0000000000..28aef635f6 --- /dev/null +++ b/elf/tst-audit-tlsdesc-mod2.c @@ -0,0 +1,33 @@ +/* DT_AUDIT with modules with TLSDESC. + Copyright (C) 2021 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 + . */ + +__thread int global2; + +int * +get_global2 (void) +{ + return &global2; +} + +static __thread int local2; + +void * +get_local2 (void) +{ + return &local2; +} diff --git a/elf/tst-audit-tlsdesc.c b/elf/tst-audit-tlsdesc.c new file mode 100644 index 0000000000..3c8be81c95 --- /dev/null +++ b/elf/tst-audit-tlsdesc.c @@ -0,0 +1,60 @@ +/* DT_AUDIT with modules with TLSDESC. + Copyright (C) 2021 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 +#include + +extern __thread int global1; +extern __thread int global2; +void *get_local1 (void); +void set_global2 (int v); +void *get_local2 (void); + +static void * +thr_func (void *clousure) +{ + TEST_COMPARE (global1, 0); + ++global1; + TEST_COMPARE (global2, 0); + ++global2; + TEST_COMPARE (global2, 1); + + set_global2 (10); + TEST_COMPARE (global2, 10); + + int *local1 = get_local1 (); + TEST_COMPARE (*local1, 0); + ++*local1; + + int *local2 = get_local2 (); + TEST_COMPARE (*local2, 0); + ++*local2; + + return 0; +} + +static int +do_test (void) +{ + pthread_t thr = xpthread_create (NULL, thr_func, NULL); + void *r = xpthread_join (thr); + TEST_VERIFY (r == NULL); + return 0; +} + +#include diff --git a/elf/tst-auditmod-tlsdesc.c b/elf/tst-auditmod-tlsdesc.c new file mode 100644 index 0000000000..e4b835d1f1 --- /dev/null +++ b/elf/tst-auditmod-tlsdesc.c @@ -0,0 +1,25 @@ +/* DT_AUDIT with modules with TLSDESC. + Copyright (C) 2021 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 + +unsigned int +la_version (unsigned int version) +{ + return LAV_CURRENT; +} -- 2.35.1