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| author | Alexander Bulekov | 2020-02-20 05:11:14 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi | 2020-02-22 09:26:48 +0100 |
| commit | adc28027ffd9c028e42e1048385334461f65bb40 (patch) | |
| tree | c6ba201d559997f485b1aa962695e76d66d031fc /configure | |
| parent | fuzz: add target/fuzz makefile rules (diff) | |
| download | qemu-adc28027ffd9c028e42e1048385334461f65bb40.tar.gz qemu-adc28027ffd9c028e42e1048385334461f65bb40.tar.xz qemu-adc28027ffd9c028e42e1048385334461f65bb40.zip | |
fuzz: add configure flag --enable-fuzzing
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>
Message-id: 20200220041118.23264-19-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -505,6 +505,7 @@ debug_mutex="no" libpmem="" default_devices="yes" plugins="no" +fuzzing="no" supported_cpu="no" supported_os="no" @@ -635,6 +636,15 @@ 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 @@ -1558,6 +1568,10 @@ for opt do ;; --disable-containers) use_containers="no" ;; + --enable-fuzzing) fuzzing=yes + ;; + --disable-fuzzing) fuzzing=no + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -6073,6 +6087,15 @@ EOF fi ########################################## +# checks for fuzzer +if test "$fuzzing" = "yes" ; then + write_c_fuzzer_skeleton + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then + have_fuzzer=yes + fi +fi + +########################################## # check for libpmem if test "$libpmem" != "no"; then @@ -6666,6 +6689,7 @@ 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 @@ -7504,6 +7528,16 @@ 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" >> $config_host_mak @@ -7605,6 +7639,11 @@ if test "$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 |