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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; received-spf: None (protection.outlook.com: bu.edu does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: iqvuJ03dwg/6pbqNG6QUueOOZmYISa8nAUS9KXQlECexZ3NQhecJoQmyhDmc7pSGM6W5iBC+e4nShYhXsvT/C9ly7sJkgOcdERab6jGKP3f0SyMGsJY54ETcbhdtNPuX9kR2nBxEL7vCQkNkBoL42MPmhw6YZmq4usf+XNs8E3GH8Qcyw1qcXnNktNRAwu8w5cH9FH7UEeIsIb7FgkCFym0tw2AZu3E87tTJJYO4QAK7oR/wE1CU5DT9JM7+3nBO1f4uYrTr7eGMj04kuUTHN2xO968M5NZqre851WvVKuTeH4yS97wmTmtallvTPMz2FWsdG8mJUe3kGFD9zeC5ydvenLfWAJah84t65sWvFY/rYIjfoM5ycxBtGXSSMsYryZRZteE0f4Liertcsxje+noC/tNCv+u+ttsYrpWUFnDaqGJuJG8fdTs9cdR1uSE7 Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-Network-Message-Id: 5a1273b8-fc3d-45c2-e5a4-08d79d6d4af9 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jan 2020 05:55:03.5329 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ZoiBYnTKXzXBE28/khl9wdN9oW+lnJAO2wIyMBiSkkKumgY3jNE/xPWMJER5SmGK X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR03MB4399 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.92.106 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "pbonzini@redhat.com" , "bsd@redhat.com" , =?utf-8?B?UGhpbGlwcGUgTWF0aGlldS1EYXVkw6k=?= , "stefanha@redhat.com" , "Bulekov, Alexander" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bushare.onmicrosoft.com) Signed-off-by: Alexander Bulekov Reviewed-by: Stefan Hajnoczi Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- configure | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/configure b/configure index 08c3a1c1f0..17aa5d02ee 100755 --- a/configure +++ b/configure @@ -504,6 +504,7 @@ debug_mutex=3D"no" libpmem=3D"" default_devices=3D"yes" plugins=3D"no" +fuzzing=3D"no" =20 supported_cpu=3D"no" supported_os=3D"no" @@ -634,6 +635,15 @@ int main(void) { return 0; } EOF } =20 +write_c_fuzzer_skeleton() { + cat > $TMPC < +#include +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=3D"Linux" elif check_define _WIN32 ; then @@ -1540,6 +1550,10 @@ for opt do ;; --disable-containers) use_containers=3D"no" ;; + --enable-fuzzing) fuzzing=3Dyes + ;; + --disable-fuzzing) fuzzing=3Dno + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -5992,6 +6006,15 @@ EOF fi fi =20 +########################################## +# checks for fuzzer +if test "$fuzzing" =3D "yes" ; then + write_c_fuzzer_skeleton + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=3Daddress,fuzzer" ""; th= en + have_fuzzer=3Dyes + fi +fi + ########################################## # check for libpmem =20 @@ -6576,6 +6599,7 @@ echo "libpmem support $libpmem" echo "libudev $libudev" echo "default devices $default_devices" echo "plugin support $plugins" +echo "fuzzing support $fuzzing" =20 if test "$supported_cpu" =3D "no"; then echo @@ -7400,6 +7424,16 @@ fi if test "$sheepdog" =3D "yes" ; then echo "CONFIG_SHEEPDOG=3Dy" >> $config_host_mak fi +if test "$fuzzing" =3D "yes" ; then + if test "$have_fuzzer" =3D "yes"; then + FUZZ_LDFLAGS=3D" -fsanitize=3Daddress,fuzzer" + FUZZ_CFLAGS=3D" -fsanitize=3Daddress,fuzzer" + CFLAGS=3D" -fsanitize=3Daddress,fuzzer" + else + error_exit "Your compiler doesn't support -fsanitize=3Daddress,fuzzer" + exit 1 + fi +fi =20 if test "$plugins" =3D "yes" ; then echo "CONFIG_PLUGIN=3Dy" >> $config_host_mak @@ -7502,6 +7536,11 @@ if test "$libudev" !=3D "no"; then echo "CONFIG_LIBUDEV=3Dy" >> $config_host_mak echo "LIBUDEV_LIBS=3D$libudev_libs" >> $config_host_mak fi +if test "$fuzzing" !=3D "no"; then + echo "CONFIG_FUZZ=3Dy" >> $config_host_mak + echo "FUZZ_CFLAGS=3D$FUZZ_CFLAGS" >> $config_host_mak + echo "FUZZ_LDFLAGS=3D$FUZZ_LDFLAGS" >> $config_host_mak +fi =20 if test "$edk2_blobs" =3D "yes" ; then echo "DECOMPRESS_EDK2_BLOBS=3Dy" >> $config_host_mak --=20 2.23.0