11 files changed, 1966 insertions, 0 deletions

diff --git a/tests-fuzz/Makefile.am b/tests-fuzz/Makefile.am
new file mode 100644
index 0000000..38de37e
--- /dev/null
+++ b/tests-fuzz/Makefile.am
@@ -0,0 +1,102 @@
+AM_CPPFLAGS = \
+	-include $(top_builddir)/src/config.h	\
+	-I$(top_srcdir)/src			\
+	-DCONFIG_DIR='"${config_dir}"'		\
+	-DSTORAGE_DIR='"${storage_dir}"'	\
+	-DRUN_DIR='"${run_dir}"'		\
+	-DSRCDIR=\"$(abs_srcdir)\"
+
+FUZZERS = \
+	fuzz_packet		\
+	fuzz_zscanner		\
+	fuzz_dname_to_str	\
+	fuzz_dname_from_str
+
+check_PROGRAMS = $(FUZZERS)
+
+if HAVE_DAEMON
+# knotd_stdio (AFL)
+check_PROGRAMS += knotd_stdio
+
+nodist_knotd_stdio_SOURCES = knotd_wrap/main.c
+
+knotd_stdio_SOURCES = \
+	knotd_wrap/afl-loop.h		\
+	knotd_wrap/server.c		\
+	knotd_wrap/tcp-handler.c	\
+	knotd_wrap/udp-handler.c
+
+knotd_stdio_CPPFLAGS = $(AM_CPPFLAGS) $(liburcu_CFLAGS)
+knotd_stdio_LDADD = $(top_builddir)/src/libknotd.la $(top_builddir)/src/libcontrib.la \
+                    $(liburcu_LIBS) $(cap_ng_LIBS)
+
+BUILT_SOURCES = knotd_wrap/main.c
+CLEANFILES = knotd_wrap/main.c
+knotd_wrap/main.c: $(top_builddir)/src/utils/knotd/main.c
+	@echo '#include "knotd_wrap/afl-loop.h"' > $@
+	@$(SED) -e 's/for (;;)/while (__AFL_LOOP(10000))/' $(top_srcdir)/src/utils/knotd/main.c >> $@
+endif HAVE_DAEMON
+
+# Simple function wrappers (AFL, libFuzzer, tests)
+
+fuzz_packet_SOURCES    = fuzz_packet.c
+fuzz_packet_CPPFLAGS   = $(AM_CPPFLAGS)
+fuzz_packet_LDADD      = $(top_builddir)/src/libknot.la
+
+fuzz_zscanner_SOURCES  = fuzz_zscanner.c
+fuzz_zscanner_CPPFLAGS = $(AM_CPPFLAGS)
+fuzz_zscanner_LDADD    = $(top_builddir)/src/libzscanner.la
+
+fuzz_dname_to_str_SOURCES  = fuzz_dname_to_str.c
+fuzz_dname_to_str_CPPFLAGS = $(AM_CPPFLAGS)
+fuzz_dname_to_str_LDADD    = $(top_builddir)/src/libknot.la
+
+fuzz_dname_from_str_SOURCES  = fuzz_dname_from_str.c
+fuzz_dname_from_str_CPPFLAGS = $(AM_CPPFLAGS)
+fuzz_dname_from_str_LDADD    = $(top_builddir)/src/libknot.la
+
+if OSS_FUZZ
+
+# CFLAGS, LDFLAGS, etc. are defined by the oss-fuzz environment; just link
+# in the fuzzing engine
+
+fuzz_packet_LDADD         += ${LIB_FUZZING_ENGINE} -lc++
+fuzz_zscanner_LDADD       += ${LIB_FUZZING_ENGINE} -lc++
+fuzz_dname_to_str_LDADD   += ${LIB_FUZZING_ENGINE} -lc++
+fuzz_dname_from_str_LDADD += ${LIB_FUZZING_ENGINE} -lc++
+
+else
+
+if FUZZER
+
+fuzz_packet_CPPFLAGS   += ${fuzzer_CFLAGS}
+fuzz_packet_LDFLAGS     = ${fuzzer_LDFLAGS}
+
+fuzz_zscanner_CPPFLAGS += ${fuzzer_CFLAGS}
+fuzz_zscanner_LDFLAGS   = ${fuzzer_LDFLAGS}
+
+fuzz_dname_to_str_CPPFLAGS += ${fuzzer_CFLAGS}
+fuzz_dname_to_str_LDFLAGS   = ${fuzzer_LDFLAGS}
+
+fuzz_dname_from_str_CPPFLAGS += ${fuzzer_CFLAGS}
+fuzz_dname_from_str_LDFLAGS   = ${fuzzer_LDFLAGS}
+
+# Ensure that fuzzers execute successfully with a benign input
+
+TESTS = check/check_fuzzers.test
+EXTRA_DIST = check/check_fuzzers.test
+
+else
+
+fuzz_packet_SOURCES         += main.c
+fuzz_zscanner_SOURCES       += main.c
+fuzz_dname_to_str_SOURCES   += main.c
+fuzz_dname_from_str_SOURCES += main.c
+
+TESTS = $(FUZZERS)
+
+endif # if FUZZER
+
+endif # if OSS_FUZZ
+
+check-compile: $(check_PROGRAMS)
diff --git a/tests-fuzz/Makefile.in b/tests-fuzz/Makefile.in
new file mode 100644
index 0000000..52f99b2
--- /dev/null
+++ b/tests-fuzz/Makefile.in
@@ -0,0 +1,1409 @@
+# Makefile.in generated by automake 1.15 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
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+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
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+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
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+build_triplet = @build@
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+check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2)
+
+# knotd_stdio (AFL)
+@HAVE_DAEMON_TRUE@am__append_1 = knotd_stdio
+
+# CFLAGS, LDFLAGS, etc. are defined by the oss-fuzz environment; just link
+# in the fuzzing engine
+@OSS_FUZZ_TRUE@am__append_2 = ${LIB_FUZZING_ENGINE} -lc++
+@OSS_FUZZ_TRUE@am__append_3 = ${LIB_FUZZING_ENGINE} -lc++
+@OSS_FUZZ_TRUE@am__append_4 = ${LIB_FUZZING_ENGINE} -lc++
+@OSS_FUZZ_TRUE@am__append_5 = ${LIB_FUZZING_ENGINE} -lc++
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@am__append_6 = ${fuzzer_CFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@am__append_7 = ${fuzzer_CFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@am__append_8 = ${fuzzer_CFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@am__append_9 = ${fuzzer_CFLAGS}
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@TESTS = $(am__EXEEXT_1)
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@TESTS = check/check_fuzzers.test
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__append_10 = main.c
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__append_11 = main.c
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__append_12 = main.c
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__append_13 = main.c
+subdir = tests-fuzz
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cc_clang.m4 \
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+	$(top_srcdir)/m4/ax_compare_version.m4 \
+	$(top_srcdir)/m4/code-coverage.m4 \
+	$(top_srcdir)/m4/knot-lib-version.m4 \
+	$(top_srcdir)/m4/knot-module.m4 $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/m4/sanitizer.m4 $(top_srcdir)/m4/visibility.m4 \
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+CONFIG_CLEAN_VPATH_FILES =
+am__EXEEXT_1 = fuzz_packet$(EXEEXT) fuzz_zscanner$(EXEEXT) \
+	fuzz_dname_to_str$(EXEEXT) fuzz_dname_from_str$(EXEEXT)
+@HAVE_DAEMON_TRUE@am__EXEEXT_2 = knotd_stdio$(EXEEXT)
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+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__objects_1 = fuzz_dname_from_str-main.$(OBJEXT)
+am_fuzz_dname_from_str_OBJECTS =  \
+	fuzz_dname_from_str-fuzz_dname_from_str.$(OBJEXT) \
+	$(am__objects_1)
+fuzz_dname_from_str_OBJECTS = $(am_fuzz_dname_from_str_OBJECTS)
+am__DEPENDENCIES_1 =
+fuzz_dname_from_str_DEPENDENCIES = $(top_builddir)/src/libknot.la \
+	$(am__DEPENDENCIES_1)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
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+fuzz_dname_from_str_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(fuzz_dname_from_str_LDFLAGS) \
+	$(LDFLAGS) -o $@
+am__fuzz_dname_to_str_SOURCES_DIST = fuzz_dname_to_str.c main.c
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__objects_2 = fuzz_dname_to_str-main.$(OBJEXT)
+am_fuzz_dname_to_str_OBJECTS =  \
+	fuzz_dname_to_str-fuzz_dname_to_str.$(OBJEXT) $(am__objects_2)
+fuzz_dname_to_str_OBJECTS = $(am_fuzz_dname_to_str_OBJECTS)
+fuzz_dname_to_str_DEPENDENCIES = $(top_builddir)/src/libknot.la \
+	$(am__DEPENDENCIES_1)
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+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(fuzz_dname_to_str_LDFLAGS) $(LDFLAGS) \
+	-o $@
+am__fuzz_packet_SOURCES_DIST = fuzz_packet.c main.c
+@FUZZER_FALSE@@OSS_FUZZ_FALSE@am__objects_3 =  \
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+	$(am__DEPENDENCIES_1)
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+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(fuzz_packet_LDFLAGS) $(LDFLAGS) -o $@
+am__fuzz_zscanner_SOURCES_DIST = fuzz_zscanner.c main.c
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+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(fuzz_zscanner_LDFLAGS) $(LDFLAGS) -o $@
+am__knotd_stdio_SOURCES_DIST = knotd_wrap/afl-loop.h \
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+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
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+# A command that, given a newline-separated list of test names on the
+# standard input, create the global log from their .trs and .log files.
+am__create_global_log = $(AWK) ' \
+function fatal(msg) \
+{ \
+  print "fatal: making $@: " msg | "cat >&2"; \
+  exit 1; \
+} \
+function rst_section(header) \
+{ \
+  print header; \
+  len = length(header); \
+  for (i = 1; i <= len; i = i + 1) \
+    printf "="; \
+  printf "\n\n"; \
+} \
+{ \
+  copy_in_global_log = 1; \
+  global_test_result = "RUN"; \
+  while ((rc = (getline line < ($$0 ".trs"))) != 0) \
+    { \
+      if (rc < 0) \
+         fatal("failed to read from " $$0 ".trs"); \
+      if (line ~ /$(am__global_test_result_rx)/) \
+        { \
+          sub("$(am__global_test_result_rx)", "", line); \
+          sub("[ 	]*$$", "", line); \
+          global_test_result = line; \
+        } \
+      else if (line ~ /$(am__copy_in_global_log_rx)[nN][oO]/) \
+        copy_in_global_log = 0; \
+    }; \
+  if (copy_in_global_log) \
+    { \
+      rst_section(global_test_result ": " $$0); \
+      while ((rc = (getline line < ($$0 ".log"))) != 0) \
+      { \
+        if (rc < 0) \
+          fatal("failed to read from " $$0 ".log"); \
+        print line; \
+      }; \
+      printf "\n"; \
+    }; \
+  close ($$0 ".trs"); \
+  close ($$0 ".log"); \
+}'
+# Restructured Text title.
+am__rst_title = { sed 's/.*/   &   /;h;s/./=/g;p;x;s/ *$$//;p;g' && echo; }
+# Solaris 10 'make', and several other traditional 'make' implementations,
+# pass "-e" to $(SHELL), and POSIX 2008 even requires this.  Work around it
+# by disabling -e (using the XSI extension "set +e") if it's set.
+am__sh_e_setup = case $$- in *e*) set +e;; esac
+# Default flags passed to test drivers.
+am__common_driver_flags = \
+  --color-tests "$$am__color_tests" \
+  --enable-hard-errors "$$am__enable_hard_errors" \
+  --expect-failure "$$am__expect_failure"
+# To be inserted before the command running the test.  Creates the
+# directory for the log if needed.  Stores in $dir the directory
+# containing $f, in $tst the test, in $log the log.  Executes the
+# developer- defined test setup AM_TESTS_ENVIRONMENT (if any), and
+# passes TESTS_ENVIRONMENT.  Set up options for the wrapper that
+# will run the test scripts (or their associated LOG_COMPILER, if
+# thy have one).
+am__check_pre = \
+$(am__sh_e_setup);					\
+$(am__vpath_adj_setup) $(am__vpath_adj)			\
+$(am__tty_colors);					\
+srcdir=$(srcdir); export srcdir;			\
+case "$@" in						\
+  */*) am__odir=`echo "./$@" | sed 's|/[^/]*$$||'`;;	\
+    *) am__odir=.;; 					\
+esac;							\
+test "x$$am__odir" = x"." || test -d "$$am__odir" 	\
+  || $(MKDIR_P) "$$am__odir" || exit $$?;		\
+if test -f "./$$f"; then dir=./;			\
+elif test -f "$$f"; then dir=;				\
+else dir="$(srcdir)/"; fi;				\
+tst=$$dir$$f; log='$@'; 				\
+if test -n '$(DISABLE_HARD_ERRORS)'; then		\
+  am__enable_hard_errors=no; 				\
+else							\
+  am__enable_hard_errors=yes; 				\
+fi; 							\
+case " $(XFAIL_TESTS) " in				\
+  *[\ \	]$$f[\ \	]* | *[\ \	]$$dir$$f[\ \	]*) \
+    am__expect_failure=yes;;				\
+  *)							\
+    am__expect_failure=no;;				\
+esac; 							\
+$(AM_TESTS_ENVIRONMENT) $(TESTS_ENVIRONMENT)
+# A shell command to get the names of the tests scripts with any registered
+# extension removed (i.e., equivalently, the names of the test logs, with
+# the '.log' extension removed).  The result is saved in the shell variable
+# '$bases'.  This honors runtime overriding of TESTS and TEST_LOGS.  Sadly,
+# we cannot use something simpler, involving e.g., "$(TEST_LOGS:.log=)",
+# since that might cause problem with VPATH rewrites for suffix-less tests.
+# See also 'test-harness-vpath-rewrite.sh' and 'test-trs-basic.sh'.
+am__set_TESTS_bases = \
+  bases='$(TEST_LOGS)'; \
+  bases=`for i in $$bases; do echo $$i; done | sed 's/\.log$$//'`; \
+  bases=`echo $$bases`
+RECHECK_LOGS = $(TEST_LOGS)
+AM_RECURSIVE_TARGETS = check recheck
+TEST_SUITE_LOG = test-suite.log
+TEST_EXTENSIONS = @EXEEXT@ .test
+LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver
+LOG_COMPILE = $(LOG_COMPILER) $(AM_LOG_FLAGS) $(LOG_FLAGS)
+am__set_b = \
+  case '$@' in \
+    */*) \
+      case '$*' in \
+        */*) b='$*';; \
+          *) b=`echo '$@' | sed 's/\.log$$//'`; \
+       esac;; \
+    *) \
+      b='$*';; \
+  esac
+am__test_logs1 = $(TESTS:=.log)
+am__test_logs2 = $(am__test_logs1:@EXEEXT@.log=.log)
+TEST_LOGS = $(am__test_logs2:.test.log=.log)
+TEST_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver
+TEST_LOG_COMPILE = $(TEST_LOG_COMPILER) $(AM_TEST_LOG_FLAGS) \
+	$(TEST_LOG_FLAGS)
+am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/depcomp \
+	$(top_srcdir)/test-driver
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CC_CLANG_VERSION = @CC_CLANG_VERSION@
+CFLAGS = @CFLAGS@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
+CODE_COVERAGE_ENABLED = @CODE_COVERAGE_ENABLED@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DNSTAP_CFLAGS = @DNSTAP_CFLAGS@
+DNSTAP_LIBS = @DNSTAP_LIBS@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+GENHTML = @GENHTML@
+GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+KNOT_VERSION_MAJOR = @KNOT_VERSION_MAJOR@
+KNOT_VERSION_MINOR = @KNOT_VERSION_MINOR@
+KNOT_VERSION_PATCH = @KNOT_VERSION_PATCH@
+LCOV = @LCOV@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LDFLAG_EXCLUDE_LIBS = @LDFLAG_EXCLUDE_LIBS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PDFLATEX = @PDFLATEX@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PROTOC_C = @PROTOC_C@
+RANLIB = @RANLIB@
+RELEASE_DATE = @RELEASE_DATE@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SPHINXBUILD = @SPHINXBUILD@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+cap_ng_CFLAGS = @cap_ng_CFLAGS@
+cap_ng_LIBS = @cap_ng_LIBS@
+conf_mapsize = @conf_mapsize@
+config_dir = @config_dir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+dlopen_LIBS = @dlopen_LIBS@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+external_lmdb_LIBS = @external_lmdb_LIBS@
+fuzzer_CFLAGS = @fuzzer_CFLAGS@
+fuzzer_LDFLAGS = @fuzzer_LDFLAGS@
+gnutls_CFLAGS = @gnutls_CFLAGS@
+gnutls_LIBS = @gnutls_LIBS@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libdnssec_SONAME = @libdnssec_SONAME@
+libdnssec_SOVERSION = @libdnssec_SOVERSION@
+libdnssec_VERSION_INFO = @libdnssec_VERSION_INFO@
+libedit_CFLAGS = @libedit_CFLAGS@
+libedit_LIBS = @libedit_LIBS@
+libexecdir = @libexecdir@
+libfstrm_CFLAGS = @libfstrm_CFLAGS@
+libfstrm_LIBS = @libfstrm_LIBS@
+libidn2_CFLAGS = @libidn2_CFLAGS@
+libidn2_LIBS = @libidn2_LIBS@
+libidn_CFLAGS = @libidn_CFLAGS@
+libidn_LIBS = @libidn_LIBS@
+libknot_SONAME = @libknot_SONAME@
+libknot_SOVERSION = @libknot_SOVERSION@
+libknot_VERSION_INFO = @libknot_VERSION_INFO@
+libmaxminddb_CFLAGS = @libmaxminddb_CFLAGS@
+libmaxminddb_LIBS = @libmaxminddb_LIBS@
+libprotobuf_c_CFLAGS = @libprotobuf_c_CFLAGS@
+libprotobuf_c_LIBS = @libprotobuf_c_LIBS@
+liburcu_CFLAGS = @liburcu_CFLAGS@
+liburcu_LIBS = @liburcu_LIBS@
+liburcu_PKGCONFIG = @liburcu_PKGCONFIG@
+libzscanner_SONAME = @libzscanner_SONAME@
+libzscanner_SOVERSION = @libzscanner_SOVERSION@
+libzscanner_VERSION_INFO = @libzscanner_VERSION_INFO@
+lmdb_CFLAGS = @lmdb_CFLAGS@
+lmdb_LIBS = @lmdb_LIBS@
+localedir = @localedir@
+localstatedir = @localstatedir@
+malloc_LIBS = @malloc_LIBS@
+mandir = @mandir@
+math_LIBS = @math_LIBS@
+mkdir_p = @mkdir_p@
+module_dir = @module_dir@
+module_instdir = @module_instdir@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+pkgconfigdir = @pkgconfigdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+pthread_LIBS = @pthread_LIBS@
+run_dir = @run_dir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+storage_dir = @storage_dir@
+sysconfdir = @sysconfdir@
+systemd_CFLAGS = @systemd_CFLAGS@
+systemd_LIBS = @systemd_LIBS@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+AM_CPPFLAGS = \
+	-include $(top_builddir)/src/config.h	\
+	-I$(top_srcdir)/src			\
+	-DCONFIG_DIR='"${config_dir}"'		\
+	-DSTORAGE_DIR='"${storage_dir}"'	\
+	-DRUN_DIR='"${run_dir}"'		\
+	-DSRCDIR=\"$(abs_srcdir)\"
+
+FUZZERS = \
+	fuzz_packet		\
+	fuzz_zscanner		\
+	fuzz_dname_to_str	\
+	fuzz_dname_from_str
+
+@HAVE_DAEMON_TRUE@nodist_knotd_stdio_SOURCES = knotd_wrap/main.c
+@HAVE_DAEMON_TRUE@knotd_stdio_SOURCES = \
+@HAVE_DAEMON_TRUE@	knotd_wrap/afl-loop.h		\
+@HAVE_DAEMON_TRUE@	knotd_wrap/server.c		\
+@HAVE_DAEMON_TRUE@	knotd_wrap/tcp-handler.c	\
+@HAVE_DAEMON_TRUE@	knotd_wrap/udp-handler.c
+
+@HAVE_DAEMON_TRUE@knotd_stdio_CPPFLAGS = $(AM_CPPFLAGS) $(liburcu_CFLAGS)
+@HAVE_DAEMON_TRUE@knotd_stdio_LDADD = $(top_builddir)/src/libknotd.la $(top_builddir)/src/libcontrib.la \
+@HAVE_DAEMON_TRUE@                    $(liburcu_LIBS) $(cap_ng_LIBS)
+
+@HAVE_DAEMON_TRUE@BUILT_SOURCES = knotd_wrap/main.c
+@HAVE_DAEMON_TRUE@CLEANFILES = knotd_wrap/main.c
+
+# Simple function wrappers (AFL, libFuzzer, tests)
+fuzz_packet_SOURCES = fuzz_packet.c $(am__append_10)
+fuzz_packet_CPPFLAGS = $(AM_CPPFLAGS) $(am__append_6)
+fuzz_packet_LDADD = $(top_builddir)/src/libknot.la $(am__append_2)
+fuzz_zscanner_SOURCES = fuzz_zscanner.c $(am__append_11)
+fuzz_zscanner_CPPFLAGS = $(AM_CPPFLAGS) $(am__append_7)
+fuzz_zscanner_LDADD = $(top_builddir)/src/libzscanner.la \
+	$(am__append_3)
+fuzz_dname_to_str_SOURCES = fuzz_dname_to_str.c $(am__append_12)
+fuzz_dname_to_str_CPPFLAGS = $(AM_CPPFLAGS) $(am__append_8)
+fuzz_dname_to_str_LDADD = $(top_builddir)/src/libknot.la \
+	$(am__append_4)
+fuzz_dname_from_str_SOURCES = fuzz_dname_from_str.c $(am__append_13)
+fuzz_dname_from_str_CPPFLAGS = $(AM_CPPFLAGS) $(am__append_9)
+fuzz_dname_from_str_LDADD = $(top_builddir)/src/libknot.la \
+	$(am__append_5)
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@fuzz_packet_LDFLAGS = ${fuzzer_LDFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@fuzz_zscanner_LDFLAGS = ${fuzzer_LDFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@fuzz_dname_to_str_LDFLAGS = ${fuzzer_LDFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@fuzz_dname_from_str_LDFLAGS = ${fuzzer_LDFLAGS}
+@FUZZER_TRUE@@OSS_FUZZ_FALSE@EXTRA_DIST = check/check_fuzzers.test
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .log .o .obj .test .test$(EXEEXT) .trs
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tests-fuzz/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tests-fuzz/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+fuzz_dname_from_str$(EXEEXT): $(fuzz_dname_from_str_OBJECTS) $(fuzz_dname_from_str_DEPENDENCIES) $(EXTRA_fuzz_dname_from_str_DEPENDENCIES) 
+	@rm -f fuzz_dname_from_str$(EXEEXT)
+	$(AM_V_CCLD)$(fuzz_dname_from_str_LINK) $(fuzz_dname_from_str_OBJECTS) $(fuzz_dname_from_str_LDADD) $(LIBS)
+
+fuzz_dname_to_str$(EXEEXT): $(fuzz_dname_to_str_OBJECTS) $(fuzz_dname_to_str_DEPENDENCIES) $(EXTRA_fuzz_dname_to_str_DEPENDENCIES) 
+	@rm -f fuzz_dname_to_str$(EXEEXT)
+	$(AM_V_CCLD)$(fuzz_dname_to_str_LINK) $(fuzz_dname_to_str_OBJECTS) $(fuzz_dname_to_str_LDADD) $(LIBS)
+
+fuzz_packet$(EXEEXT): $(fuzz_packet_OBJECTS) $(fuzz_packet_DEPENDENCIES) $(EXTRA_fuzz_packet_DEPENDENCIES) 
+	@rm -f fuzz_packet$(EXEEXT)
+	$(AM_V_CCLD)$(fuzz_packet_LINK) $(fuzz_packet_OBJECTS) $(fuzz_packet_LDADD) $(LIBS)
+
+fuzz_zscanner$(EXEEXT): $(fuzz_zscanner_OBJECTS) $(fuzz_zscanner_DEPENDENCIES) $(EXTRA_fuzz_zscanner_DEPENDENCIES) 
+	@rm -f fuzz_zscanner$(EXEEXT)
+	$(AM_V_CCLD)$(fuzz_zscanner_LINK) $(fuzz_zscanner_OBJECTS) $(fuzz_zscanner_LDADD) $(LIBS)
+knotd_wrap/$(am__dirstamp):
+	@$(MKDIR_P) knotd_wrap
+	@: > knotd_wrap/$(am__dirstamp)
+knotd_wrap/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) knotd_wrap/$(DEPDIR)
+	@: > knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+knotd_wrap/knotd_stdio-server.$(OBJEXT): knotd_wrap/$(am__dirstamp) \
+	knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+knotd_wrap/knotd_stdio-tcp-handler.$(OBJEXT):  \
+	knotd_wrap/$(am__dirstamp) \
+	knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+knotd_wrap/knotd_stdio-udp-handler.$(OBJEXT):  \
+	knotd_wrap/$(am__dirstamp) \
+	knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+knotd_wrap/knotd_stdio-main.$(OBJEXT): knotd_wrap/$(am__dirstamp) \
+	knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+
+knotd_stdio$(EXEEXT): $(knotd_stdio_OBJECTS) $(knotd_stdio_DEPENDENCIES) $(EXTRA_knotd_stdio_DEPENDENCIES) 
+	@rm -f knotd_stdio$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(knotd_stdio_OBJECTS) $(knotd_stdio_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+	-rm -f knotd_wrap/*.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_dname_from_str-fuzz_dname_from_str.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_dname_from_str-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_dname_to_str-fuzz_dname_to_str.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_dname_to_str-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_packet-fuzz_packet.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_packet-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_zscanner-fuzz_zscanner.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fuzz_zscanner-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@knotd_wrap/$(DEPDIR)/knotd_stdio-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@knotd_wrap/$(DEPDIR)/knotd_stdio-server.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@knotd_wrap/$(DEPDIR)/knotd_stdio-tcp-handler.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@knotd_wrap/$(DEPDIR)/knotd_stdio-udp-handler.Po@am__quote@
+
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+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fuzz_zscanner.log: fuzz_zscanner$(EXEEXT)
+	@p='fuzz_zscanner$(EXEEXT)'; \
+	b='fuzz_zscanner'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fuzz_dname_to_str.log: fuzz_dname_to_str$(EXEEXT)
+	@p='fuzz_dname_to_str$(EXEEXT)'; \
+	b='fuzz_dname_to_str'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fuzz_dname_from_str.log: fuzz_dname_from_str$(EXEEXT)
+	@p='fuzz_dname_from_str$(EXEEXT)'; \
+	b='fuzz_dname_from_str'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+@am__EXEEXT_TRUE@.test$(EXEEXT).log:
+@am__EXEEXT_TRUE@	@p='$<'; \
+@am__EXEEXT_TRUE@	$(am__set_b); \
+@am__EXEEXT_TRUE@	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+@am__EXEEXT_TRUE@	--log-file $$b.log --trs-file $$b.trs \
+@am__EXEEXT_TRUE@	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+@am__EXEEXT_TRUE@	"$$tst" $(AM_TESTS_FD_REDIRECT)
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile
+installdirs:
+install: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-rm -f knotd_wrap/$(DEPDIR)/$(am__dirstamp)
+	-rm -f knotd_wrap/$(am__dirstamp)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR) knotd_wrap/$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR) knotd_wrap/$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: all check check-am install install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	recheck tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+@HAVE_DAEMON_TRUE@knotd_wrap/main.c: $(top_builddir)/src/utils/knotd/main.c
+@HAVE_DAEMON_TRUE@	@echo '#include "knotd_wrap/afl-loop.h"' > $@
+@HAVE_DAEMON_TRUE@	@$(SED) -e 's/for (;;)/while (__AFL_LOOP(10000))/' $(top_srcdir)/src/utils/knotd/main.c >> $@
+
+check-compile: $(check_PROGRAMS)
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests-fuzz/fuzz_dname_from_str.c b/tests-fuzz/fuzz_dname_from_str.c
new file mode 100644
index 0000000..a345887
--- /dev/null
+++ b/tests-fuzz/fuzz_dname_from_str.c
@@ -0,0 +1,39 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "libknot/dname.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	// Prepare 0-terminated dname string.
+	char *txt = malloc(size + 1);
+	if (txt == NULL) {
+		return 0;
+	}
+	memcpy(txt, data, size);
+	txt[size] = '\0';
+
+	// Transform the input.
+	uint8_t dname[KNOT_DNAME_MAXLEN];
+	(void)knot_dname_from_str(dname, txt, sizeof(dname));
+
+	free(txt);
+
+	return 0;
+}
diff --git a/tests-fuzz/fuzz_dname_to_str.c b/tests-fuzz/fuzz_dname_to_str.c
new file mode 100644
index 0000000..1cf7fc0
--- /dev/null
+++ b/tests-fuzz/fuzz_dname_to_str.c
@@ -0,0 +1,31 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "libknot/dname.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	// Skip invalid dnames.
+	if (knot_dname_wire_check(data, data + size, NULL) <= 0) {
+		return 0;
+	}
+
+	// Transform the input.
+	char txt[KNOT_DNAME_TXT_MAXLEN + 1];
+	(void)knot_dname_to_str(txt, (const knot_dname_t *)data, sizeof(txt));
+
+	return 0;
+}
diff --git a/tests-fuzz/fuzz_packet.c b/tests-fuzz/fuzz_packet.c
new file mode 100644
index 0000000..61362c2
--- /dev/null
+++ b/tests-fuzz/fuzz_packet.c
@@ -0,0 +1,33 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+
+#include "libknot/libknot.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	uint8_t copy[size];
+	memcpy(copy, data, size);
+
+	knot_pkt_t *pkt = knot_pkt_new(copy, size, NULL);
+	if (pkt != NULL) {
+		knot_pkt_parse(pkt, 0);
+		knot_pkt_free(pkt);
+	}
+
+	return 0;
+}
diff --git a/tests-fuzz/fuzz_zscanner.c b/tests-fuzz/fuzz_zscanner.c
new file mode 100644
index 0000000..cb89545
--- /dev/null
+++ b/tests-fuzz/fuzz_zscanner.c
@@ -0,0 +1,31 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+
+#include "libzscanner/scanner.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	zs_scanner_t s;
+	if (zs_init(&s, ".", 1, 0) == 0 &&
+	    zs_set_input_string(&s, (const char *)data, size) == 0) {
+		zs_parse_all(&s);
+	}
+	zs_deinit(&s);
+	
+	return 0;
+}
diff --git a/tests-fuzz/knotd_wrap/afl-loop.h b/tests-fuzz/knotd_wrap/afl-loop.h
new file mode 100644
index 0000000..0515b3a
--- /dev/null
+++ b/tests-fuzz/knotd_wrap/afl-loop.h
@@ -0,0 +1,21 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#ifndef __AFL_LOOP
+#define __AFL_LOOP(x) (0)
+#endif
diff --git a/tests-fuzz/knotd_wrap/server.c b/tests-fuzz/knotd_wrap/server.c
new file mode 100644
index 0000000..2a75cd1
--- /dev/null
+++ b/tests-fuzz/knotd_wrap/server.c
@@ -0,0 +1,27 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define server_reconfigure orig_server_reconfigure
+#include "knot/server/server.c"
+#undef server_reconfigure
+
+extern void udp_master_init_stdio(server_t *server);
+
+void server_reconfigure(conf_t *conf, server_t *server)
+{
+	orig_server_reconfigure(conf, server);
+	udp_master_init_stdio(server);
+}
diff --git a/tests-fuzz/knotd_wrap/tcp-handler.c b/tests-fuzz/knotd_wrap/tcp-handler.c
new file mode 100644
index 0000000..fca9cf5
--- /dev/null
+++ b/tests-fuzz/knotd_wrap/tcp-handler.c
@@ -0,0 +1,25 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define tcp_master orig_tcp_master
+#include "knot/server/tcp-handler.c"
+#undef tcp_master
+
+int tcp_master(dthread_t *thread)
+{
+	log_info("AFL, empty TCP handler");
+	return 0;
+}
diff --git a/tests-fuzz/knotd_wrap/udp-handler.c b/tests-fuzz/knotd_wrap/udp-handler.c
new file mode 100644
index 0000000..8f6401c
--- /dev/null
+++ b/tests-fuzz/knotd_wrap/udp-handler.c
@@ -0,0 +1,108 @@
+/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "knot/server/udp-handler.c"
+#include "knot/common/log.h"
+
+typedef struct {
+	struct iovec iov[NBUFS];
+	uint8_t buf[NBUFS][KNOT_WIRE_MAX_PKTSIZE];
+	struct sockaddr_storage addr;
+	bool afl_persistent;
+} udp_stdin_t;
+
+static inline void next(udp_stdin_t *rq)
+{
+	if (rq->afl_persistent) {
+		raise(SIGSTOP);
+	} else {
+		exit(0);
+	}
+}
+
+static void *udp_stdin_init(void)
+{
+	udp_stdin_t *rq = calloc(1, sizeof(udp_stdin_t));
+	if (rq == NULL) {
+		return NULL;
+	}
+
+	for (unsigned i = 0; i < NBUFS; ++i) {
+		rq->iov[i].iov_base = rq->buf[i];
+		rq->iov[i].iov_len = KNOT_WIRE_MAX_PKTSIZE;
+	}
+
+	struct sockaddr_in *a = (struct sockaddr_in *)&rq->addr;
+	a->sin_family = AF_INET;
+	a->sin_addr.s_addr = IN_LOOPBACKNET;
+	a->sin_port = 42;
+
+	rq->afl_persistent = getenv("AFL_PERSISTENT") != NULL;
+
+	return rq;
+}
+
+static void udp_stdin_deinit(void *d)
+{
+	free(d);
+}
+
+static int udp_stdin_recv(int fd, void *d)
+{
+	udp_stdin_t *rq = (udp_stdin_t *)d;
+	rq->iov[RX].iov_len = fread(rq->iov[RX].iov_base, 1,
+	                            KNOT_WIRE_MAX_PKTSIZE, stdin);
+	if (rq->iov[RX].iov_len == 0) {
+		next(rq);
+	}
+
+	return rq->iov[RX].iov_len;
+}
+
+static int udp_stdin_handle(udp_context_t *ctx, void *d)
+{
+	udp_stdin_t *rq = (udp_stdin_t *)d;
+	udp_handle(ctx, STDIN_FILENO, &rq->addr, &rq->iov[RX], &rq->iov[TX]);
+	return 0;
+}
+
+static int udp_stdin_send(void *d)
+{
+	udp_stdin_t *rq = (udp_stdin_t *)d;
+	next(rq);
+	return 0;
+}
+
+void udp_master_init_stdio(server_t *server) {
+
+	log_info("AFL, UDP handler listening on stdin");
+
+	// Register dummy interface to server.
+	iface_t *ifc = calloc(1, sizeof(*ifc));
+	assert(ifc);
+	ifc->fd_udp = calloc(1, sizeof(*ifc->fd_udp));
+	assert(ifc->fd_udp);
+	ifc->fd_udp[0] = STDIN_FILENO;
+	ifc->fd_udp_count = 1;
+
+	add_tail(&server->ifaces->l, (node_t *)ifc);
+
+	_udp_init = udp_stdin_init;
+	_udp_recv = udp_stdin_recv;
+	_udp_handle = udp_stdin_handle;
+	_udp_send = udp_stdin_send;
+	_udp_deinit = udp_stdin_deinit;
+}
diff --git a/tests-fuzz/main.c b/tests-fuzz/main.c
new file mode 100644
index 0000000..e8eb428
--- /dev/null
+++ b/tests-fuzz/main.c
@@ -0,0 +1,140 @@
+/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+ * Copyright (C) 2017 Tim Ruehsen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+
+#ifndef __AFL_LOOP
+
+#include <dirent.h>
+
+static void test_all_from(const char *dirname)
+{
+	DIR *dirp = opendir(dirname);
+	if (dirp == NULL) {
+		return;
+	}
+
+	struct dirent *dp;
+	while ((dp = readdir(dirp))) {
+		if (*dp->d_name == '.') {
+			continue;
+		}
+
+		char fname[strlen(dirname) + strlen(dp->d_name) + 2];
+		int ret = snprintf(fname, sizeof(fname), "%s/%s", dirname, dp->d_name);
+		if (ret < 0 || ret >= sizeof(fname)) {
+			fprintf(stderr, "Invalid path %s/%s\n", dirname, dp->d_name);
+		}
+
+		int fd;
+		if ((fd = open(fname, O_RDONLY)) == -1) {
+			fprintf(stderr, "Failed to open %s (%d)\n", fname, errno);
+			continue;
+		}
+
+		struct stat st;
+		if (fstat(fd, &st) != 0) {
+			fprintf(stderr, "Failed to stat %d (%d)\n", fd, errno);
+			close(fd);
+			continue;
+		}
+
+		uint8_t *data = malloc(st.st_size);
+		if (data == NULL) {
+			fprintf(stderr, "Failed to stat %d (%d)\n", fd, ENOMEM);
+			close(fd);
+			continue;
+		}
+
+		ssize_t n;
+		if ((n = read(fd, data, st.st_size)) == st.st_size) {
+			printf("testing %llu bytes from '%s'\n", (unsigned long long) st.st_size, fname);
+			fflush(stdout);
+			LLVMFuzzerTestOneInput(data, st.st_size);
+			fflush(stderr);
+		} else {
+			fprintf(stderr, "Failed to read %llu bytes from %s (%d), got %zd\n",
+			        (unsigned long long) st.st_size, fname, errno, n);
+		}
+
+		free(data);
+		close(fd);
+	}
+	closedir(dirp);
+}
+
+int main(int argc, char **argv)
+{
+	const char *target = strrchr(argv[0], '/');
+	target = target ? target + 1 : argv[0];
+
+	char corporadir[sizeof(SRCDIR) + 1 + strlen(target) + 8];
+
+	if (strncmp(target, "lt-", 3) == 0) {
+		target += 3;
+	}
+
+	int ret = snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.in", target);
+	if (ret < 0 || ret >= sizeof(corporadir)) {
+		fprintf(stderr, "Invalid path %s/%s\n", SRCDIR "/%s.in", target);
+	}
+
+	test_all_from(corporadir);
+
+	ret = snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.repro", target);
+	if (ret < 0 || ret >= sizeof(corporadir)) {
+		fprintf(stderr, "Invalid path %s/%s\n", SRCDIR "/%s.repro", target);
+	}
+
+	test_all_from(corporadir);
+
+	return 0;
+}
+
+#else
+
+int main(int argc, char **argv)
+{
+	unsigned char buf[64 * 1024];
+
+	while (__AFL_LOOP(10000)) {
+		int ret = fread(buf, 1, sizeof(buf), stdin);
+		if (ret < 0) {
+			return 0;
+		}
+
+		LLVMFuzzerTestOneInput(buf, ret);
+	}
+
+	return 0;
+}
+
+#endif /* __AFL_LOOP */