fix clobbering of signal mask when creating thread with sched attributes

[musl] / src / thread / pthread_create.c

diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 5d5d3a6..cf9cb19 100644 (file)
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -197,7 +197,7 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp
        if (attr._a_sched) {
                do_sched = new->startlock[0] = 1;
                __syscall(SYS_rt_sigprocmask, SIG_BLOCK,
-                       SIGALL_SET, self->sigmask, _NSIG/8);
+                       SIGALL_SET, new->sigmask, _NSIG/8);
        }
        new->unblock_cancel = self->cancel;
        new->canary = self->canary;