From cdedcc7943114bbbcbc2be1a0ef5716b0ef2e862 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Thu, 14 Nov 2002 00:48:38 +0000
Subject: * sysdeps/generic/dl-tls.c (_dl_allocate_tls_storage): Zero the space

	for the new TCB.
---
 sysdeps/generic/dl-tls.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sysdeps/generic')

diff --git a/sysdeps/generic/dl-tls.c b/sysdeps/generic/dl-tls.c
index 2c68a251b6..014c3a4809 100644
--- a/sysdeps/generic/dl-tls.c
+++ b/sysdeps/generic/dl-tls.c
@@ -262,6 +262,10 @@ _dl_allocate_tls_storage (void)
       result = (char *) result + GL(dl_tls_static_size) - TLS_TCB_SIZE;
 # endif
 
+      /* Clear the TCB data structure.  We can't ask the caller (i.e.
+	 libpthread) to do it, because we will initialize the DTV et al.  */
+      memset (result, 0, TLS_TCB_SIZE);
+
       result = allocate_dtv (result);
       if (result == NULL)
 	free (allocated);
-- 
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