update to glibc-2.28-151.el8.src.rpm

Signed-off-by: Liwei Ge <geliwei@openanolis.org>

glibc-rh1817513-89.patch

@@ -0,0 +1,46 @@
+commit 72d36ffd7db55ae599f4c77feb0eae25a0f3714e
+Author: Florian Weimer <fweimer@redhat.com>
+Date:   Thu Oct 8 10:57:09 2020 +0200
+
+    elf: Implement __rtld_malloc_is_complete
+    
+    In some cases, it is difficult to determine the kind of malloc
+    based on the execution context, so a function to determine that
+    is helpful.
+    
+    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c
+index 4335f1bd24289b01..cf7df8a8d5eabe9d 100644
+--- a/elf/dl-minimal.c
++++ b/elf/dl-minimal.c
+@@ -59,6 +59,14 @@ __rtld_malloc_init_stubs (void)
+   __rtld_realloc = &rtld_realloc;
+ }
+ 
++bool
++__rtld_malloc_is_complete (void)
++{
++  /* The caller assumes that there is an active malloc.  */
++  assert (__rtld_malloc != NULL);
++  return __rtld_malloc != &rtld_malloc;
++}
++
+ /* Lookup NAME at VERSION in the scope of MATCH.  */
+ static void *
+ lookup_malloc_symbol (struct link_map *main_map, const char *name,
+diff --git a/include/rtld-malloc.h b/include/rtld-malloc.h
+index b026a3270cd24819..9266ec532f3f3376 100644
+--- a/include/rtld-malloc.h
++++ b/include/rtld-malloc.h
+@@ -66,6 +66,10 @@ realloc (void *ptr, size_t size)
+    implementation.  */
+ void __rtld_malloc_init_stubs (void) attribute_hidden;
+ 
++/* Return false if the active malloc is the ld.so minimal malloc, true
++   if it is the full implementation from libc.so.  */
++_Bool __rtld_malloc_is_complete (void) attribute_hidden;
++
+ /* Called shortly before the final self-relocation (when RELRO
+    variables are still writable) to activate the real malloc
+    implementation.  MAIN_MAP is the link map of the executable.  */