On Wed, Jan 29, 2020 at 05:34:25AM +0000, Bulekov, Alexander wrote:
>Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
>Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
>Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
>---
> configure | 39 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
>diff --git a/configure b/configure
>index 08c3a1c1f0..1a1e57eb61 100755
>--- a/configure
>+++ b/configure
>@@ -504,6 +504,7 @@ debug_mutex="no"
> libpmem=""
> default_devices="yes"
> plugins="no"
>+fuzzing="no"
>
> supported_cpu="no"
> supported_os="no"
>@@ -634,6 +635,15 @@ int main(void) { return 0; }
> EOF
> }
>
>+write_c_fuzzer_skeleton() {
>+ cat > $TMPC <<EOF
>+#include <stdint.h>
>+#include <sys/types.h>
>+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
>+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
>+EOF
>+}
>+
> if check_define __linux__ ; then
> targetos="Linux"
> elif check_define _WIN32 ; then
>@@ -1540,6 +1550,10 @@ for opt do
> ;;
> --disable-containers) use_containers="no"
> ;;
>+ --enable-fuzzing) fuzzing=yes
>+ ;;
>+ --disable-fuzzing) fuzzing=no
>+ ;;
> *)
> echo "ERROR: unknown option $opt"
> echo "Try '$0 --help' for more information"
>@@ -5992,6 +6006,15 @@ EOF
> fi
> fi
>
>+##########################################
>+# checks for fuzzer
>+if test "$fuzzing" = "yes" ; then
>+ write_c_fuzzer_skeleton
>+ if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
>+ have_fuzzer=yes
>+ fi
>+fi
>+
> ##########################################
> # check for libpmem
>
>@@ -6576,6 +6599,7 @@ echo "libpmem support $libpmem"
> echo "libudev $libudev"
> echo "default devices $default_devices"
> echo "plugin support $plugins"
>+echo "fuzzing support $fuzzing"
>
> if test "$supported_cpu" = "no"; then
> echo
>@@ -7400,6 +7424,16 @@ fi
> if test "$sheepdog" = "yes" ; then
> echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
> fi
>+if test "$fuzzing" = "yes" ; then
>+ if test "$have_fuzzer" = "yes"; then
>+ FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
>+ FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
>+ CFLAGS=" -fsanitize=address,fuzzer-no-link"
>+ else
>+ error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
>+ exit 1
>+ fi
>+fi
>
> if test "$plugins" = "yes" ; then
> echo "CONFIG_PLUGIN=y" >> $config_host_mak
>@@ -7502,6 +7536,11 @@ if test "$libudev" != "no"; then
> echo "CONFIG_LIBUDEV=y" >> $config_host_mak
> echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
> fi
>+if test "$fuzzing" != "no"; then
>+ echo "CONFIG_FUZZ=y" >> $config_host_mak
>+ echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
>+ echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
>+fi
>
> if test "$edk2_blobs" = "yes" ; then
> echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
>--
>2.23.0
>