zdtm.py: run tests with ASAN_OPTIONS

To run CRIU with ASan we have to use some non-default options:

 - detect_leaks=0 - We have to many leaks for know. Let's disable until fixed.
 - disable_coredump=0 - without this ASan library changes RLIMIT_CORE which
                         break rlmimits00 tests.
 - log_path=asan.log - For some reason default output to stderr sometimes
                        doesn't work in CRIU. So error log will be stored
                        in asan.log.<pid> file instead.

travis-ci: success for series starting with [1/6] compel/infect: fix out-of-bounds parasite memcpy()
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

test/zdtm.py

@@ -676,10 +676,12 @@ join_ns_file = '/run/netns/zdtm_netns'
 class criu_cli:
 	@staticmethod
 	def run(action, args, fault = None, strace = [], preexec = None, nowait = False):
-		env = None
+		env = dict(os.environ, ASAN_OPTIONS = "log_path=asan.log:disable_coredump=0:detect_leaks=0")
+
 		if fault:
 			print "Forcing %s fault" % fault
-			env = dict(os.environ, CRIU_FAULT = fault)
+			env['CRIU_FAULT'] = fault
+
 		cr = subprocess.Popen(strace + [criu_bin, action] + args, env = env, preexec_fn = preexec)
 		if nowait:
 			return cr