From 11ce1b133d594b6a454d3e8d5941e7a6a432c42b Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 18 Sep 2018 19:41:03 -0400 Subject: [PATCH] fix benign data race in pthread_attr_init access to defaults should be protected against concurrent changes. --- src/thread/pthread_attr_init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/thread/pthread_attr_init.c b/src/thread/pthread_attr_init.c index a962b460..398990d1 100644 --- a/src/thread/pthread_attr_init.c +++ b/src/thread/pthread_attr_init.c @@ -6,7 +6,9 @@ extern size_t __default_guardsize; int pthread_attr_init(pthread_attr_t *a) { *a = (pthread_attr_t){0}; + __acquire_ptc(); a->_a_stacksize = __default_stacksize; a->_a_guardsize = __default_guardsize; + __release_ptc(); return 0; } -- 2.25.1