glibc/glibc-upstream-2.34-147.patch
Carlos O'Donell a8db42ba53 Sync with upstream branch release/2.34/master
Upstream commit: 71326f1f2fd09dafb9c34404765fb88129e94237

- nptl: Fix pthread_cancel cancelhandling atomic operations
- mips: Fix mips64n32 64 bit time_t stat support (BZ#29069)
- hurd: Fix arbitrary error code
- nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029)
- S390: Add new s390 platform z16.
- NEWS: Update fixed bug list for LD_AUDIT backports.
- hppa: Fix bind-now audit (BZ #28857)
- elf: Replace tst-audit24bmod2.so with tst-audit24bmod2
- Fix elf/tst-audit25a with default bind now toolchains
- elf: Fix runtime linker auditing on aarch64 (BZ #26643)
- elf: Issue la_symbind for bind-now (BZ #23734)
- elf: Fix initial-exec TLS access on audit modules (BZ #28096)
- elf: Add la_activity during application exit
- elf: Do not fail for failed dlmopen on audit modules (BZ #28061)
- elf: Issue audit la_objopen for vDSO
- elf: Add audit tests for modules with TLSDESC
- elf: Avoid unnecessary slowdown from profiling with audit (BZ#15533)
- elf: Add _dl_audit_pltexit
- elf: Add _dl_audit_pltenter
- elf: Add _dl_audit_preinit
- elf: Add _dl_audit_symbind_alt and _dl_audit_symbind
- elf: Add _dl_audit_objclose
- elf: Add _dl_audit_objsearch
- elf: Add _dl_audit_activity_map and _dl_audit_activity_nsid
- elf: Add _dl_audit_objopen
- elf: Move la_activity (LA_ACT_ADD) after _dl_add_to_namespace_list() (BZ #28062)
- elf: Move LAV_CURRENT to link_lavcurrent.h
- elf: Fix elf_get_dynamic_info() for bootstrap
- elf: Fix dynamic-link.h usage on rtld.c
- elf: Fix elf_get_dynamic_info definition
- elf: Avoid nested functions in the loader [BZ #27220]
- powerpc: Delete unneeded ELF_MACHINE_BEFORE_RTLD_RELOC
- hppa: Use END instead of PSEUDO_END in swapcontext.S
- hppa: Implement swapcontext in assembler (bug 28960)

Reviewed-by: Florian Weimer <fweimer at redhat.com>
2022-04-22 10:08:16 -04:00

108 lines
3.5 KiB
Diff

commit 31473c273be14270f8eef68e35c03fd2305eb2c3
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Jul 22 17:10:57 2021 -0300
elf: Add _dl_audit_preinit
It consolidates the code required to call la_preinit audit
callback.
Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
(cherry picked from commit 0b98a8748759e88b58927882a8714109abe0a2d6)
diff --git a/csu/libc-start.c b/csu/libc-start.c
index 0350b006fdcc22d2..d01e57ea59ceb880 100644
--- a/csu/libc-start.c
+++ b/csu/libc-start.c
@@ -377,32 +377,15 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
/* This is a current program. Use the dynamic segment to find
constructors. */
call_init (argc, argv, __environ);
-#else /* !SHARED */
- call_init (argc, argv, __environ);
-#endif /* SHARED */
-#ifdef SHARED
/* Auditing checkpoint: we have a new object. */
- if (__glibc_unlikely (GLRO(dl_naudit) > 0))
- {
- struct audit_ifaces *afct = GLRO(dl_audit);
- struct link_map *head = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
- {
- if (afct->preinit != NULL)
- afct->preinit (&link_map_audit_state (head, cnt)->cookie);
-
- afct = afct->next;
- }
- }
-#endif
+ _dl_audit_preinit (GL(dl_ns)[LM_ID_BASE]._ns_loaded);
-#ifdef SHARED
if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS))
GLRO(dl_debug_printf) ("\ntransferring control: %s\n\n", argv[0]);
-#endif
+#else /* !SHARED */
+ call_init (argc, argv, __environ);
-#ifndef SHARED
_dl_debug_initialize (0, LM_ID_BASE);
#endif
diff --git a/elf/Versions b/elf/Versions
index 164682eaeaa9a1da..bb6697647b397772 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -58,7 +58,7 @@ ld {
_dl_argv; _dl_find_dso_for_object; _dl_get_tls_static_info;
_dl_deallocate_tls; _dl_make_stack_executable;
_dl_rtld_di_serinfo; _dl_starting_up; _dl_fatal_printf;
- _dl_audit_symbind_alt;
+ _dl_audit_symbind_alt; _dl_audit_preinit;
_rtld_global; _rtld_global_ro;
# Only here for gdb while a better method is developed.
diff --git a/elf/dl-audit.c b/elf/dl-audit.c
index a21530f30bc5524b..0b6fac8e48877c93 100644
--- a/elf/dl-audit.c
+++ b/elf/dl-audit.c
@@ -108,6 +108,21 @@ _dl_audit_objclose (struct link_map *l)
}
}
+void
+_dl_audit_preinit (struct link_map *l)
+{
+ if (__glibc_likely (GLRO(dl_naudit) == 0))
+ return;
+
+ struct audit_ifaces *afct = GLRO(dl_audit);
+ for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
+ {
+ if (afct->preinit != NULL)
+ afct->preinit (&link_map_audit_state (l, cnt)->cookie);
+ afct = afct->next;
+ }
+}
+
void
_dl_audit_symbind_alt (struct link_map *l, const ElfW(Sym) *ref, void **value,
lookup_t result)
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 61f1dfb3f79a613a..91193a036fc5c6ef 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -1399,6 +1399,9 @@ void _dl_audit_objopen (struct link_map *l, Lmid_t nsid)
void _dl_audit_objclose (struct link_map *l)
attribute_hidden;
+/* Call the la_preinit from the audit modules for the link_map L. */
+void _dl_audit_preinit (struct link_map *l);
+
/* Call the la_symbind{32,64} from the audit modules for the link_map L. */
void _dl_audit_symbind (struct link_map *l, struct reloc_result *reloc_result,
const ElfW(Sym) *defsym, DL_FIXUP_VALUE_TYPE *value,