fix overlap of thread stacks with thread tls segments
authorRich Felker <dalias@aerifal.cx>
Mon, 15 Oct 2012 01:10:44 +0000 (21:10 -0400)
committerRich Felker <dalias@aerifal.cx>
Mon, 15 Oct 2012 01:10:44 +0000 (21:10 -0400)
src/thread/pthread_create.c

index 6327a9429155e6ae757c31ed340fe152cdf08e6c..627ff5fbbe087cea6782eb8a9703aa389061ff5e 100644 (file)
@@ -130,7 +130,7 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attr,
                }
                tsd = map + size - __pthread_tsd_size;
        }
-       new = __copy_tls(tsd - libc.tls_size);
+       new = __copy_tls(stack = tsd - libc.tls_size);
        new->map_base = map;
        new->map_size = size;
        new->pid = self->pid;
@@ -145,7 +145,6 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attr,
        }
        new->unblock_cancel = self->cancel;
        new->canary = self->canary;
-       stack = (void *)new;
 
        a_inc(&libc.threads_minus_1);
        ret = __clone(start, stack, flags, new, &new->tid, new, &new->tid);