From 66986dec455c2011085a04b72a5bd55d9f9c7d1c Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Tue, 6 Oct 2015 13:12:36 +0200 Subject: Harden tls_dtor_list with pointer mangling [BZ #19018] (cherry picked from commit f586e1328681b400078c995a0bb6ad301ef73549) Conflicts: NEWS stdlib/cxa_thread_atexit_impl.c --- stdlib/cxa_thread_atexit_impl.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'stdlib/cxa_thread_atexit_impl.c') diff --git a/stdlib/cxa_thread_atexit_impl.c b/stdlib/cxa_thread_atexit_impl.c index d2f88d3ed8..6030e5fc6f 100644 --- a/stdlib/cxa_thread_atexit_impl.c +++ b/stdlib/cxa_thread_atexit_impl.c @@ -42,6 +42,10 @@ 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; @@ -83,9 +87,13 @@ __call_tls_dtors (void) while (tls_dtor_list) { struct dtor_list *cur = tls_dtor_list; - tls_dtor_list = tls_dtor_list->next; + dtor_func func = cur->func; +#ifdef PTR_DEMANGLE + PTR_DEMANGLE (func); +#endif - cur->func (cur->obj); + tls_dtor_list = tls_dtor_list->next; + func (cur->obj); __rtld_lock_lock_recursive (GL(dl_load_lock)); -- cgit v1.2.3-70-g09d2