qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Alexander Bulekov <alxndr@bu.edu>
To: qemu-devel@nongnu.org
Cc: darren.kenny@oracle.com, "Alexander Bulekov" <alxndr@bu.edu>,
	bsd@redhat.com, stefanha@redhat.com, pbonzini@redhat.com,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [PATCH v10 18/22] fuzz: add configure flag --enable-fuzzing
Date: Wed, 19 Feb 2020 23:11:14 -0500	[thread overview]
Message-ID: <20200220041118.23264-19-alxndr@bu.edu> (raw)
In-Reply-To: <20200220041118.23264-1-alxndr@bu.edu>

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 115dc38085..bd873177ad 100755
--- a/configure
+++ b/configure
@@ -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
@@ -1545,6 +1555,10 @@ 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"
@@ -6035,6 +6049,15 @@ 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
 
@@ -6621,6 +6644,7 @@ echo "libpmem support   $libpmem"
 echo "libudev           $libudev"
 echo "default devices   $default_devices"
 echo "plugin support    $plugins"
+echo "fuzzing support   $fuzzing"
 
 if test "$supported_cpu" = "no"; then
     echo
@@ -7456,6 +7480,16 @@ fi
 if test "$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" >> $config_host_mak
@@ -7556,6 +7590,11 @@ if test "$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
-- 
2.25.0



  parent reply	other threads:[~2020-02-20  4:19 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-20  4:10 [PATCH v10 00/22] Add virtual device fuzzing support Alexander Bulekov
2020-02-20  4:10 ` [PATCH v10 01/22] softmmu: move vl.c to softmmu/ Alexander Bulekov
2020-02-20 10:33   ` Darren Kenny
2020-02-21 13:56   ` Stefan Hajnoczi
2020-02-20  4:10 ` [PATCH v10 02/22] softmmu: split off vl.c:main() into main.c Alexander Bulekov
2020-02-20  4:10 ` [PATCH v10 03/22] module: check module wasn't already initialized Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 04/22] fuzz: add FUZZ_TARGET module type Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 05/22] qtest: add qtest_server_send abstraction Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 06/22] libqtest: add a layer of abstraction to send/recv Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 07/22] libqtest: make bufwrite rely on the TransportOps Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 08/22] qtest: add in-process incoming command handler Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 09/22] libqos: rename i2c_send and i2c_recv Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 10/22] libqos: split qos-test and libqos makefile vars Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 11/22] libqos: move useful qos-test funcs to qos_external Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 12/22] fuzz: add fuzzer skeleton Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 13/22] exec: keep ram block across fork when using qtest Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 14/22] main: keep rcu_atfork callback enabled for qtest Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 15/22] fuzz: support for fork-based fuzzing Alexander Bulekov
2020-02-20 10:34   ` Darren Kenny
2020-02-20  4:11 ` [PATCH v10 16/22] fuzz: add support for qos-assisted fuzz targets Alexander Bulekov
2020-02-20 10:35   ` Darren Kenny
2020-02-20  4:11 ` [PATCH v10 17/22] fuzz: add target/fuzz makefile rules Alexander Bulekov
2020-02-20  4:11 ` Alexander Bulekov [this message]
2020-02-20  4:11 ` [PATCH v10 19/22] fuzz: add i440fx fuzz targets Alexander Bulekov
2020-02-20  4:11 ` [PATCH v10 20/22] fuzz: add virtio-net fuzz target Alexander Bulekov
2020-02-20 10:35   ` Darren Kenny
2020-02-20  4:11 ` [PATCH v10 21/22] fuzz: add virtio-scsi " Alexander Bulekov
2020-02-20 10:38   ` Darren Kenny
2020-02-21 13:57   ` Stefan Hajnoczi
2020-02-20  4:11 ` [PATCH v10 22/22] fuzz: add documentation to docs/devel/ Alexander Bulekov
2020-02-21 15:17 ` [PATCH v10 00/22] Add virtual device fuzzing support Stefan Hajnoczi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200220041118.23264-19-alxndr@bu.edu \
    --to=alxndr@bu.edu \
    --cc=bsd@redhat.com \
    --cc=darren.kenny@oracle.com \
    --cc=pbonzini@redhat.com \
    --cc=philmd@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=stefanha@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).