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-rw-r--r--libpthread/nptl/sysdeps/generic/libc-tls.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/generic/libc-tls.c b/libpthread/nptl/sysdeps/generic/libc-tls.c
index 725f3dfc7..5f89c9172 100644
--- a/libpthread/nptl/sysdeps/generic/libc-tls.c
+++ b/libpthread/nptl/sysdeps/generic/libc-tls.c
@@ -162,6 +162,7 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
tcb_offset = roundup (tcbsize, align ?: 1);
tlsblock = sbrk (tcb_offset + memsz + max_align
+ TLS_PRE_TCB_SIZE + GL(dl_tls_static_size));
+ memset(tlsblock, '\0', tcb_offset + memsz + max_align + TLS_PRE_TCB_SIZE + GL(dl_tls_static_size));
tlsblock += TLS_PRE_TCB_SIZE;
# else
/* In case a model with a different layout for the TCB and DTV