GNU C Library master sources branch gentoo/2.22 updated. glibc-2.22-29-g0f74aed

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0f74aed2de00dfbcae8e0217d6abdd5634e1c69c

commit 0f74aed2de00dfbcae8e0217d6abdd5634e1c69c
Author: Florian Weimer <fweimer@redhat.com>
Date:   Tue Oct 6 13:12:36 2015 +0200

    Harden tls_dtor_list with pointer mangling [BZ #19018]
    
    (cherry picked from commit f586e1328681b400078c995a0bb6ad301ef73549)
    (cherry picked from commit 5fb7924cb6cf606ce865122e5bbac9df934db14e)

diff --git a/stdlib/cxa_thread_atexit_impl.c b/stdlib/cxa_thread_atexit_impl.c
index 2d5d56a..5717f09 100644
--- a/stdlib/cxa_thread_atexit_impl.c
+++ b/stdlib/cxa_thread_atexit_impl.c
@@ -98,6 +98,10 @@ static __thread struct link_map *lm_cache;
 int
 __cxa_thread_atexit_impl (dtor_func func, void *obj, void *dso_symbol)
 {
+#ifdef PTR_MANGLE
+  PTR_MANGLE (func);
+#endif
+
   /* Prepend.  */
   struct dtor_list *new = calloc (1, sizeof (struct dtor_list));
   new->func = func;
@@ -142,9 +146,13 @@ __call_tls_dtors (void)
   while (tls_dtor_list)
     {
       struct dtor_list *cur = tls_dtor_list;
+      dtor_func func = cur->func;
+#ifdef PTR_DEMANGLE
+      PTR_DEMANGLE (func);
+#endif
 
       tls_dtor_list = tls_dtor_list->next;
-      cur->func (cur->obj);
+      func (cur->obj);
 
       /* Ensure that the MAP dereference happens before
 	 l_tls_dtor_count decrement.  That way, we protect this access from a

-----------------------------------------------------------------------

Summary of changes:
 stdlib/cxa_thread_atexit_impl.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)


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