glibc security, bug fix, and enhancement update

[2.28-101.0.1]

• 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
  [2.28-101]
• ld.so: Reset GL (dl_initfirst) pointer on dlopen failure (#1410154)
  [2.28-100]
• Roll back dynamic linker state on dlopen failure (#1410154)
  [2.28-99]
• s390x: Fix z15 strstr for patterns crossing pages (#1777241)
  [2.28-98]
• Rebuild with new rpm (#1654901)
  [2.28-97]
• Avoid invalid __has_include in
  (#1775294)
  [2.28-96]
• x86-64: Ignore LD_PREFER_MAP_32BIT_EXEC in SUID binaries (#1774021)
  [2.28-95]
• Fix alignment of TLS variables for tls variant TLS_TCB_AT_TP (#1764214)
  [2.28-94]
• Refuse to dlopen PIE objects (#1764223)
  [2.28-93]
• Fix C.UTF-8 locale source ellipsis expressions (#1361965)
  [2.28-92]
• Fix hangs during malloc tracing (#1764235)
  [2.28-91]
• Support moving versioned symbols between sonames (#1764231)
  [2.28-90]
• Avoid creating stale utmp entries for repeated pututxline (#1749439)
  [2.28-89]
• Backport more precise tokenizer for installed headers test (#1769304)
  [2.28-88]
• math: Enable some math builtins for clang in LLVM Toolset (#1764242)
  [2.28-87]
• Support Fortran vectorized math functions with GCC Toolset 9 (#1764238)
  [2.28-86]
• aarch64: Support STO_AARCH64_VARIANT_PCS, DT_AARCH64_VARIANT_PCS (#1726638)
  [2.28-85]
• Add more test-in-container support (#1747502)
  [2.28-84]
• Fix calling getpwent after endpwent (#1747502)
  [2.28-83]
• nptl: Avoid fork handler lock for async-signal-safe fork (#1746928)
  [2.28-82]
• Call _dl_open_check after relocation (#1682954)
  [2.28-81]
• Add malloc fastbin tunable (#1764218)
  [2.28-80]
• Fix race condition in tst-clone3 and add a new ldconfig test,
  tst-ldconfig-bad-aux-cache (#1764226)
  [2.28-79]
• Remove unwanted whitespace from size lines and account for top chunk in
  malloc_info output (#1735747)
  [2.28-78]
• Enhance malloc tcache (#1746933)
  [2.28-77]
• Dont define initgroups in nsswitch.conf (#1747505)
  [2.28-76]
• libio: Remove codecvt vtable. (#1764241)
  [2.28-75]
• Implement --preload option for the dynamic linker.(#1747453)
  [2.28-74]
• Make nsswitch.conf more distribution friendly.
  Improve nscd.conf comments. (#1747505)
  [2.28-73]
• Update system call names list to Linux 5.3 (#1764234)