Auto-sync with upstream branch master
    
    Upstream commit: 3367acdb344a1d7fcf8f53748d301d652c8911dd
    
    - elf: Fix LD_AUDIT for modules with invalid version (swbz#24122)
    - CVE-2016-10739: getaddrinfo: Fully parse IPv4 address strings (#1331390)
    - resolv: Do not send queries for non-host-names in nss_dns (swbz#24112)
    - malloc: Revert fastbins to old-style atomics