fix out-of-bounds array access in pthread barriers on 64-bit

it's ok to overlap with integer slot 3 on 32-bit because only slots 0-2 are used on process-local barriers.
14 years ago · 9ae1cf6d29
1 changed files with 1 additions and 1 deletions
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h
@ -83,7 +83,7 @@ struct __timer {
 #define _b_limit __u.__i[2]
 #define _b_count __u.__i[3]
 #define _b_waiters2 __u.__i[4]
-#define _b_inst __u.__p[4]
+#define _b_inst __u.__p[3]

 #include "pthread_arch.h"