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-rw-r--r--sysdeps/generic/dl-tls.c4
1 files changed, 4 insertions, 0 deletions
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);