Merge tag 'perf-urgent-for-mingo-4.14-20171027' of git://git.kernel.org/pub/scm/linux...

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

- Fix memory corruption in the annotation routines because of zero
  length symbols (asm ones) (Ravi Bangoria)

- Fix printing garbage as an error message when re-running the
  lexer events matcher (Jiri Olsa)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>