glibc security, bug fix, and enhancement update

[2.28-127.0.1]

• 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
  [2.28-127]
• Improve performance of library strstr() function (#1821531)
  [2.28-126]
• Do not clobber errno in nss_compat (#1836867)
  [2.28-125]
• Support building rpm under newer versions of Coverity Scan (#1835999)
  [2.28-124]
• Enhance memory protection key support on ppc64le (#1642150)
  [2.28-123]
• Reduce IFUNC resolver usage in libpthread and librt (#1748197)
  [2.28-122]
• Math library optimizations for IBM Z (#1780204)
• Additional patch for s_nearbyint.c
  [2.28-121]
• elf: Assign TLS modid later during dlopen (#1774115)
  [2.28-120]
• x86-64: Automatically install nss_db.i686 for 32-bit environments (#1807824)
  [2.28-119]
• ppc64le: Enable protection key support (#1642150)
  [2.28-118]
• ppc64le: floating-point status and exception optimizations (#1783303)
  [2.28-117]
• Update to Linux 5.6 syscall-names.list. (#1810224)
  [2.28-116]
• CVE-2020-1751: Fix an array overflow in backtrace on PowerPC. (#1813399)
  [2.28-115]
• CVE:2020-1752: Fix a use after free in glob when expanding ~user. (#1813398)
  [2.28-114]
• CVE-2020-10029: Prevent stack corruption from crafted input in cosl, sinl,
  sincosl, and tanl function. (#1811796)
  [2.28-113]
• Improve elf/ and nptl/ testsuites (#1810223)
  [2.28-112]
• Fix resource leak in getaddrinfo (#1810146)
  [2.28-111]
• Protect locale archive against corruption (#1784525)
  [2.28-110]
• Properly handle signed vs. unsigned values in mallopt (#1784520)
  [2.28-109]
• Update and harmonize locale names with CLDR (#1757354)
  [2.28-108]
• Fix filter and auxiliary filter implementation (#1812756)
  [2.28-107]
• Handle .dynstr located in separate segment (#1774114)
  [2.28-106]
• Disable vtable validation for pre-2.1 interposed handles (#1775819)
  [2.28-105]
• Define __CORRECT_ISO_CPP_STRING_H_PROTO for Clang. (#1784519)
  [2.28-104]
• Math library optimizations for IBM Z (#1780204)
  [2.28-103]
• Filter ‘ignore’ autofs mount entries in getmntent (#1743445)
  [2.28-102]
• Fix /etc/resolv.conf reloading defects (#1810142)