glibc security, bug fix, and enhancement update

[2.17-105.0.1]

• Remove strstr and strcasestr implementations using sse4.2 instructions.
• Upstream commits 584b18eb4df61ccd447db2dfe8c8a7901f8c8598 and
  1818483b15d22016b0eae41d37ee91cc87b37510 backported.
  [2.17-105]
• Fix up test case for initial-exec fix (#1248208).
  [2.17-104]
• Mark all TLS variables in libc.so as initial-exec (#1248208).
  [2.17-103]
• Apply correct fix for #1195672.
  [2.17-102]
• Remove workaround for kernel netlink bug (#1089836).
• Use only 32-bit instructions in optimized 32-bit POWER functions (#1240796).
  [2.17-101]
• Correct the AArch64 ABI baseline for libpthread (#1234622).
  [2.17-100]
• Prevent tst-rec-dlopen from intermittently failing in parallel
  builds due to a missing makefile dependency (#1225959).
  [2.17-99]
• Increase AArch64 TLS descriptor performance (#1202952).
  [2.17-98]
• Move arch-specific header files from glibc-headers to glibc-devel (#1230328).
  [2.17-97]
• Rebase high-precision timing support for microbenchmark (#1214326).
  [2.17-96]
• Rebase microbenchmarks from upstream for performance testing (#1214326)
• Fix running microbenchmark script bench.pl from source (#1084395)
  [2.17-95]
• Enable systemtap support for all architectures (#1225490).
  [2.17-94]
• Fix ruserok API scalability issues (#1216246).
  [2.17-93]
• Backport fixes and enhancements for ppc64 and ppc64le (#1162895).
  • Correct DT_PPC64_NUM in elf/elf.h.
  • Correct IBM long double frexpl.
  • Correct IBM long double nextafterl.
    [2.17-92]
• Backport fixes for various security flaws (#1209107):
  • Prevent heap buffer overflow in swscanf (CVE-2015-1472, CVE-2015-1473,
    • Prevent integer overflow in _IO_wstr_overflow (#1195762).
  • Prevent potential denial of service in internal_fnmatch (#1197730).
  • Prevent buffer overflow in gethostbyname_r and related functions
    with misaligned buffer (CVE-2015-1781, #1199525).
    [2.17-91]
• Allow more shared libraries with static TLS to be loaded (#1227699).
  [2.17-90]
• Work around kernel netlink bug on some specialized hardware setup (#1089836).
• Fix invalid file descriptor reuse when sending DNS query
  (CVE-2013-7423, #1194143).
• Sync netinet/tcp.h with the kernel (#1219891).
  [2.17-89]
• Avoid deadlock in malloc on backtrace (#1207032).
• Actually test iconv modules (#1176906).
• Use calloc to allocate xports (#1159169).
• Return EAI_AGAIN for AF_UNSPEC when herrno is TRY_AGAIN (#1098042).
  [2.17-88]
• Add librtkaio.abilist generated by make update-abi (#1173238).
  [2.18-87]
• Enhance nscd inotify support (#1193797).
  [2.17-86]
• Use NSS_STATUS_TRYAGAIN to indicate insufficient buffer (#1173537).
  [2.17-85]
• Skip logging for DNSSEC responses (#1186620).
• Also apply the RHEL6.7 Makerules patch (#1189278).
  [2.17-84]
• Initialize nscd stats data (#1183456).
  [2.17-83]
• Resize DTV if the current DTV isn’t big enough (#1189278).
  [2.17-82]
• Backport an alternate implementation of strstr and strcasestr for
  x86 that doesn’t use the stack for temporaries requiring 16-byte
  alignment (#1150282).
  [2.17-81]
• Fix recursive dlopen() (#1165212).
• Correctly size profiling reloc table (#1144133).
  [2.17-80]
• Work around a suspected gcc 4.8 bug (#1064066).
  [2.17-79]
• Restructure spec file to unconditionally apply ppc64le support (#1182355).
• Fix test failure in test-ildoubl on ppc64 (#1186491).