update to glibc-2.28-225.el8
Signed-off-by: anolis-bot <sam.zyc@alibaba-inc.com>
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anolis-bot
parent
644b7d9a41
commit
63c96efbaa
176 changed files with 35958 additions and 17585 deletions
227
glibc-rh2047981-46.patch
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227
glibc-rh2047981-46.patch
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Backport of the new test from this upstream commit:
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commit 8dcb6d0af07fda3607b541857e4f3970a74ed55b
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Tue Apr 26 14:23:02 2022 +0200
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dlfcn: Do not use rtld_active () to determine ld.so state (bug 29078)
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When audit modules are loaded, ld.so initialization is not yet
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complete, and rtld_active () returns false even though ld.so is
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mostly working. Instead, the static dlopen hook is used, but that
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does not work at all because this is not a static dlopen situation.
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Commit 466c1ea15f461edb8e3ffaf5d86d708876343bbf ("dlfcn: Rework
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static dlopen hooks") moved the hook pointer into _rtld_global_ro,
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which means that separate protection is not needed anymore and the
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hook pointer can be checked directly.
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The guard for disabling libio vtable hardening in _IO_vtable_check
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should stay for now.
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Fixes commit 8e1472d2c1e25e6eabc2059170731365f6d5b3d1 ("ld.so:
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Examine GLRO to detect inactive loader [BZ #20204]").
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Conflicts:
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dlfcn/dladdr.c
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dlfcn/dladdr1.c
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dlfcn/dlclose.c
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dlfcn/dlerror.c
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dlfcn/dlinfo.c
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dlfcn/dlmopen.c
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dlfcn/dlopen.c
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dlfcn/dlopenold.c
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dlfcn/dlsym.c
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dlfcn/dlvsym.c
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elf/dl-libc.c
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(Code changes not needed.)
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elf/Makefile
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(Usual test list conflicts. Also added $(libdl).)
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diff --git a/elf/Makefile b/elf/Makefile
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index 6d39b400060a73f3..3fae27d32676caf9 100644
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--- a/elf/Makefile
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+++ b/elf/Makefile
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@@ -353,8 +353,7 @@ tests += \
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tst-audit24d \
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tst-audit25a \
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tst-audit25b \
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- tst-audit8 \
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- tst-audit9 \
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+ tst-audit26 \
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tst-auditmany \
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tst-auxobj \
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tst-auxobj-dlopen \
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@@ -659,6 +658,7 @@ modules-names = \
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tst-auditmod24c \
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tst-auditmod24d \
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tst-auditmod25 \
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+ tst-auditmod26 \
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tst-big-note-lib \
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tst-deep1mod1 \
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tst-deep1mod2 \
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@@ -2145,6 +2145,11 @@ $(objpfx)tst-audit25b: $(objpfx)tst-audit25mod1.so \
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LDFLAGS-tst-audit25b = -Wl,-z,now
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tst-audit25b-ARGS = -- $(host-test-program-cmd)
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+$(objpfx)tst-audit26: $(libdl)
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+$(objpfx)tst-audit26.out: $(objpfx)tst-auditmod26.so
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+$(objpfx)tst-auditmod26.so: $(libsupport) $(libdl)
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+tst-audit26-ENV = LD_AUDIT=$(objpfx)tst-auditmod26.so
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+
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# tst-sonamemove links against an older implementation of the library.
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LDFLAGS-tst-sonamemove-linkmod1.so = \
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-Wl,--version-script=tst-sonamemove-linkmod1.map \
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diff --git a/elf/tst-audit26.c b/elf/tst-audit26.c
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new file mode 100644
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index 0000000000000000..3f920e83bac247a5
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--- /dev/null
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+++ b/elf/tst-audit26.c
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@@ -0,0 +1,35 @@
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+/* Check the usability of <dlfcn.h> functions in audit modules.
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+ Copyright (C) 2022 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <gnu/lib-names.h>
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+
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+#include <support/check.h>
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+#include <support/xdlfcn.h>
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+
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+static int
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+do_test (void)
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+{
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+ /* Check that the audit module has been loaded. */
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+ void *handle = xdlopen ("mapped to libc", RTLD_LOCAL | RTLD_NOW);
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+ TEST_VERIFY (handle
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+ == xdlopen (LIBC_SO, RTLD_LOCAL | RTLD_NOW | RTLD_NOLOAD));
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+
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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diff --git a/elf/tst-auditmod26.c b/elf/tst-auditmod26.c
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new file mode 100644
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index 0000000000000000..db7ba95abec20f53
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--- /dev/null
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+++ b/elf/tst-auditmod26.c
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@@ -0,0 +1,104 @@
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+/* Check the usability of <dlfcn.h> functions in audit modules. Audit module.
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+ Copyright (C) 2022 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <dlfcn.h>
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+#include <first-versions.h>
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+#include <gnu/lib-names.h>
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+#include <link.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <unistd.h>
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+
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+#include <support/check.h>
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+#include <support/xdlfcn.h>
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+
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+unsigned int
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+la_version (unsigned int current)
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+{
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+ /* Exercise various <dlfcn.h> functions. */
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+
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+ /* Check dlopen, dlsym, dlclose. */
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+ void *handle = xdlopen (LIBM_SO, RTLD_LOCAL | RTLD_NOW);
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+ void *ptr = xdlsym (handle, "sincos");
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+ TEST_VERIFY (ptr != NULL);
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+ ptr = dlsym (handle, "SINCOS");
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+ TEST_VERIFY (ptr == NULL);
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+ const char *message = dlerror ();
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+ TEST_VERIFY (strstr (message, ": undefined symbol: SINCOS") != NULL);
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+ ptr = dlsym (handle, "SINCOS");
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+ TEST_VERIFY (ptr == NULL);
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+ xdlclose (handle);
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+ TEST_COMPARE_STRING (dlerror (), NULL);
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+
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+ handle = xdlopen (LIBC_SO, RTLD_LOCAL | RTLD_NOW | RTLD_NOLOAD);
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+
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+ /* Check dlvsym. _exit is unlikely to gain another symbol
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+ version. */
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+ TEST_VERIFY (xdlsym (handle, "_exit")
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+ == xdlvsym (handle, "_exit", FIRST_VERSION_libc__exit_STRING));
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+
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+ /* Check dlinfo. */
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+ {
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+ void *handle2 = NULL;
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+ TEST_COMPARE (dlinfo (handle, RTLD_DI_LINKMAP, &handle2), 0);
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+ TEST_VERIFY (handle2 == handle);
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+ }
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+
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+ /* Check dladdr and dladdr1. */
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+ Dl_info info = { };
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+ TEST_VERIFY (dladdr (&_exit, &info) != 0);
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+ if (strcmp (info.dli_sname, "_Exit") != 0) /* _Exit is an alias. */
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+ TEST_COMPARE_STRING (info.dli_sname, "_exit");
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+ TEST_VERIFY (info.dli_saddr == &_exit);
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+ TEST_VERIFY (strstr (info.dli_fname, LIBC_SO));
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+ void *extra_info;
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+ memset (&info, 0, sizeof (info));
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+ TEST_VERIFY (dladdr1 (&_exit, &info, &extra_info, RTLD_DL_LINKMAP) != 0);
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+ TEST_VERIFY (extra_info == handle);
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+
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+ /* Verify that dlmopen creates a new namespace. */
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+ void *dlmopen_handle = xdlmopen (LM_ID_NEWLM, LIBC_SO, RTLD_NOW);
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+ TEST_VERIFY (dlmopen_handle != handle);
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+ memset (&info, 0, sizeof (info));
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+ extra_info = NULL;
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+ ptr = xdlsym (dlmopen_handle, "_exit");
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+ TEST_VERIFY (dladdr1 (ptr, &info, &extra_info, RTLD_DL_LINKMAP) != 0);
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+ TEST_VERIFY (extra_info == dlmopen_handle);
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+ xdlclose (dlmopen_handle);
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+
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+ /* Terminate the process with an error state. This does not happen
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+ automatically because the audit module state is not shared with
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+ the main program. */
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+ if (support_record_failure_is_failed ())
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+ {
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+ fflush (stdout);
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+ fflush (stderr);
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+ _exit (1);
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+ }
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+
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+ return LAV_CURRENT;
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+}
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+
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+char *
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+la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
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+{
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+ if (strcmp (name, "mapped to libc") == 0)
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+ return (char *) LIBC_SO;
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+ else
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+ return (char *) name;
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+}
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