X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fenv%2F__stack_chk_fail.c;h=87ac473d1096f97ff0e062a6b532543d4ea3e1f4;hb=3f65494a4cb2544eb16af3fa64a161bd8142f487;hp=031a1ed7058e4aefd498cc4a379858eacc2ac9c2;hpb=3a5aa8e49ce9a98725ceb311bb64f6168fc72d3e;p=musl

diff --git a/src/env/__stack_chk_fail.c b/src/env/__stack_chk_fail.c
index 031a1ed7..87ac473d 100644
--- a/src/env/__stack_chk_fail.c
+++ b/src/env/__stack_chk_fail.c
@@ -1,19 +1,16 @@
 #include <string.h>
-#include <inttypes.h>
-#include <elf.h>
+#include <stdint.h>
 #include "pthread_impl.h"
-#include "atomic.h"
 
 uintptr_t __stack_chk_guard;
 
 void __init_ssp(void *entropy)
 {
-	pthread_t self = __pthread_self_init();
-	uintptr_t canary;
-	if (entropy) memcpy(&canary, entropy, sizeof canary);
-	else canary = (uintptr_t)&canary * 1103515245;
-	a_cas_l(&__stack_chk_guard, 0, canary);
-	self->canary = __stack_chk_guard;
+	if (entropy) memcpy(&__stack_chk_guard, entropy, sizeof(uintptr_t));
+	else __stack_chk_guard = (uintptr_t)&__stack_chk_guard * 1103515245;
+
+	if (libc.has_thread_pointer)
+		__pthread_self()->canary = __stack_chk_guard;
 }
 
 void __stack_chk_fail(void)