glibc security update

[2.28-164.0.1]

• Merge of RH patches for ol8-u5 beta release
  Review-exception: Routine merge
• Provide glibc.pthread.mutex_spin_count tunable for pthread adaptive
• spin mutex
  Orabug: 27982358.
  Reviewed-by: Qing Zhao
• add Ampere emag to tunable cpu list (Patrick McGehearty)
• add optimized memset for emag
• add an ASIMD variant of strlen for falkor
• Orabug: 2700101.
• Modify glibc-ora28849085.patch so it works with RHCK kernels.
• Orabug: 28849085.
• Make _IO_funlockfile match __funlockfile and _IO_flockfile match __flockfile
• Both should test
• if (stream->_flags & _IO_USER_LOCK) == 0)

• _IO_lock_lock (*stream->_lock);
  

• OraBug: 28481550.
  Reviewed-by: Qing Zhao
  [2.28-164]
• librt: fix NULL pointer dereference (#1966472).
  [2.28-163]
• CVE-2021-33574: Deep copy pthread attribute in mq_notify (#1966472)
  [2.28-162]
• CVE-2021-35942: wordexp: handle overflow in positional parameter number
  (#1979127)
  [2.28-161]
• Improve POWER10 performance with POWER9 fallbacks (#1956357)
  [2.28-160]
• Backport POWER10 optimized rawmemchr for ppc64le (#1956357)
  [2.28-159]
• Backport additional ifunc optimizations for ppc64le (#1956357)
  [2.28-158]
• Rebuild with new binutils (#1946518)
  [2.28-157]
• Consistently SXID_ERASE tunables in sxid binaries (#1934155)
  [2.28-156]
• Backport ifunc optimizations for glibc for ppc64le (#1918719)
  [2.28-155]
• CVE-2021-27645: nscd: Fix double free in netgroupcache (#1927877)
  [2.28-154]
• Add IPPROTO_ETHERNET, IPPROTO_MPTCP, and INADDR_ALLSNOOPERS_GROUP defines
  (#1930302)
  [2.28-153]
• Support SEM_STAT_ANY via semctl. Return EINVAL for unknown commands to semctl,
  msgctl, and shmctl. (#1912670)
  [2.28-152]
• Update syscall-names.list to 5.7, 5.8, 5.9, 5.10 and 5.11. (#1871386)