From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 15 Oct 2012 01:10:44 +0000 (-0400)
Subject: fix overlap of thread stacks with thread tls segments
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=42c36f957d54926eec87b072a73439b9a1539347

fix overlap of thread stacks with thread tls segments
---

diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 6327a942..627ff5fb 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -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);