examples/apache-httpd/httpd-master.honggfuzz.patch

diff --git a/configure.in b/configure.in
index 4315aa1..ea61fe1 100644
--- a/configure.in
+++ b/configure.in
@@ -725,7 +725,7 @@ AC_MSG_CHECKING([for Check to enable unit tests])
 if test "x$PKGCONFIG" != "x" && `$PKGCONFIG --atleast-version='0.9.12' check`; then
   UNITTEST_CFLAGS=`$PKGCONFIG --cflags check`
   UNITTEST_LIBS=`$PKGCONFIG --libs check`
-  other_targets="$other_targets test/httpdunit"
+  other_targets="$other_targets"
 
   AC_MSG_RESULT([yes])
 else
diff --git a/hfuzz.compile_and_install.asan.sh b/hfuzz.compile_and_install.asan.sh
new file mode 100755
index 0000000..6554d24
--- /dev/null
+++ b/hfuzz.compile_and_install.asan.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+set -ex
+
+# Directory with honggfuzz installation
+HFUZZ_DIR="/home/jagger/src/honggfuzz"
+# Change this to a directory where apache should be installed into
+INSTALL_PREFIX="$(realpath "$PWD/../dist")"
+NGHTTP2_VER=1.29.0
+APR_VER=1.6.3
+APR_UTIL_VER=1.6.1
+CFLAGS_SAN="-fsanitize=address -O3 -ggdb"
+# Another viable option: few
+APACHE_MODULES=most
+
+NGHTTP2_PATH="$(realpath "$PWD/../nghttp2-$NGHTTP2_VER")/"
+APR_PATH="$(realpath "$PWD/../apr-$APR_VER")"
+APR_UTIL_PATH="$(realpath "$PWD/../apr-util-$APR_UTIL_VER")/"
+
+export CC="$HFUZZ_DIR/hfuzz_cc/hfuzz-clang"
+export CXX="$HFUZZ_DIR/hfuzz_cc/hfuzz-clang++"
+
+echo "Compiling APR"
+cd "$APR_PATH"
+CFLAGS="$CFLAGS_SAN" ./configure --disable-shared --enable-static
+make clean
+make -j$(nproc)
+cd -
+
+echo "Compiling APR-UTIL"
+cd "$APR_UTIL_PATH"
+CFLAGS="$CFLAGS_SAN" ./configure --with-apr="$APR_PATH" --disable-shared --enable-static
+make clean
+make -j$(nproc)
+cd -
+
+echo "Compiling NGHTTP2"
+cd "$NGHTTP2_PATH"
+CFLAGS="$CFLAGS_SAN" CXXFLAGS="$CFLAGS_SAN" ./configure --disable-shared --enable-static
+make clean
+make -j$(nproc)
+cd -
+
+echo "Install PATH: $INSTALL_PREFIX"
+./buildconf --with-apr="$APR_PATH" --with-apr-util="$APR_UTIL_PATH"
+
+echo "Compiling HTTPD"
+CFLAGS="-I$NGHTTP2_PATH/lib/includes $CFLAGS_SAN -ggdb -O3" LDFLAGS="-L$NGHTTP2_PATH/lib -lpthread" \
+./configure \
+		--prefix="$INSTALL_PREFIX" \
+		--with-nghttp2="$NGHTTP2_PATH/" \
+		--enable-http2 \
+		--enable-nghttp2-staticlib-deps \
+		--with-mpm=event \
+		--enable-unixd \
+		--disable-pie \
+		--disable-ssl \
+		--enable-mods-static=$APACHE_MODULES \
+		--with-apr="$APR_PATH" \
+		--with-apr-util="$APR_UTIL_PATH"
+make clean
+make -j$(nproc)
+make install
diff --git a/modules/generators/mod_autoindex.c b/modules/generators/mod_autoindex.c
index c887056..1be2d16 100644
--- a/modules/generators/mod_autoindex.c
+++ b/modules/generators/mod_autoindex.c
@@ -1907,6 +1907,8 @@ static void output_directories(struct ent **ar, int n,
 
 static int dsortf(struct ent **e1, struct ent **e2)
 {
+    return 0;
+
     struct ent *c1;
     struct ent *c2;
     int result = 0;
diff --git a/server/main.c b/server/main.c
index d0f6b3f..2f9f2b0 100644
--- a/server/main.c
+++ b/server/main.c
@@ -484,8 +484,11 @@ static void usage(process_rec *process)
     destroy_and_exit_process(process, 1);
 }
 
-int main(int argc, const char * const argv[])
-{
+#ifdef HFND_FUZZING_ENTRY_FUNCTION
+ HFND_FUZZING_ENTRY_FUNCTION(int argc, const char *const *argv) {
+#else
+ int main(int argc, const char *const *argv) {
+#endif
     char c;
     int showcompile = 0, showdirectives = 0;
     const char *confname = SERVER_CONFIG_FILE;
diff --git a/server/request.c b/server/request.c
index 55c32b2..ea3d771 100644
--- a/server/request.c
+++ b/server/request.c
@@ -1393,7 +1393,7 @@ AP_DECLARE(int) ap_directory_walk(request_rec *r)
     return OK;
 }
 
-
+__attribute__((no_sanitize("memory")))
 AP_DECLARE(int) ap_location_walk(request_rec *r)
 {
     ap_conf_vector_t *now_merged = NULL;
diff --git a/server/util_pcre.c b/server/util_pcre.c
index 73e7fc6..f0d62c4 100644
--- a/server/util_pcre.c
+++ b/server/util_pcre.c
@@ -344,6 +344,7 @@ AP_DECLARE(int) ap_regexec_len(const ap_regex_t *preg, const char *buff,
     }
 }
 
+__attribute__((no_sanitize("memory")))
 AP_DECLARE(int) ap_regname(const ap_regex_t *preg,
                            apr_array_header_t *names, const char *prefix,
                            int upper)