diff options
| -rw-r--r-- | syzkaller-start | 117 |
1 files changed, 83 insertions, 34 deletions
diff --git a/syzkaller-start b/syzkaller-start index 49a00d0..6e784f6 100644 --- a/syzkaller-start +++ b/syzkaller-start @@ -24,6 +24,54 @@ print_red() echo -e "\e[01;31m$@ \e[0m" } +build_local() +{ + COMPILERDIR=${SYZKALLERDIR}/compilers/${COMPILER_VERSION} + mkdir -p ${COMPILERDIR} + + pushd ${COMPILERDIR} > /dev/null + if echo ${COMPILER_VERSION} | grep -q clang; then + # Parent directory in the Clang packages is already named correctly + cd .. + rmdir --ignore-fail-on-non-empty ${COMPILER_VERSION} + + COMPILER=${COMPILERDIR}/bin/clang + else + if [ -z ${COMPILER_BIN_PATH} ]; then + COMPILER=${COMPILERDIR}/gcc/bin/gcc + else + COMPILER=${COMPILERDIR}/${COMPILER_BIN_PATH} + fi + fi + + if [ ! -f $(basename ${COMPILER_URL}) ]; then + print_blue "\nDownloading ${COMPILER_VERSION}:\n\n\t${COMPILER_URL}" + curl -C - -sLO --show-error ${COMPILER_URL} + + if echo ${COMPILER_URL} | grep -q "gz$"; then + tar -xzf ${COMPILER_VERSION}.tar.gz + else + tar -xJf ${COMPILER_VERSION}.tar.xz + fi + else + print_blue "\nUsing ${COMPILER_VERSION}" + fi + + popd > /dev/null # ${COMPILERDIR} + + compile="ccache make -j$(nproc) KBUILD_OUTPUT=${BUILDDIR} CC=${COMPILER}" +} + +build_in_docker() +{ + docker images | grep -q "gcr.io/syzkaller" + if [ 0 -ne $? ] ; then + docker pull ${COMPILER_URL} + fi + LINUX_SRC_DIR=`basename $PWD` + compile="docker run --user $(id -u ${USER}):$(id -g ${USER}) --volume "$PWD/../:/syzkaller/pwd" --workdir /syzkaller/pwd gcr.io/syzkaller/env make -j$(nproc) -C ${LINUX_SRC_DIR} O=${BUILDDIR_RELATIVE} CC=${COMPILER_VERSION}" +} + if [ ! -d .git ] || [ ! -f MAINTAINERS ]; then print_red "Not in a kernel directory" exit 1 @@ -64,7 +112,8 @@ print_blue "Starting SyzKaller Repro" baseurl="https://syzkaller.appspot.com" bugid=$(echo ${url} | sed "s!.*=!!") -BUILDDIR=${PWD}/../builds/build-syzkaller +BUILDDIR_RELATIVE=../builds/build-syzkaller +BUILDDIR=${PWD}/${BUILDDIR_RELATIVE} mkdir -p ${BUILDDIR} SYZKALLERDIR=${PWD}/../builds/syzkaller mkdir -p ${SYZKALLERDIR} @@ -132,7 +181,7 @@ COMPILER_CHOICE_FILE=${sandbox}/compiler_choice touch ${COMPILER_CHOICE_FILE} COMPILER_CHOICE=$(cat ${COMPILER_CHOICE_FILE}) -while [[ ${COMPILER_CHOICE} -lt 1 || ${COMPILER_CHOICE} -gt 11 ]]; do +while [[ ${COMPILER_CHOICE} -lt 1 || ${COMPILER_CHOICE} -gt 13 ]]; do print_blue "\nWhich compiler version would you like (default: Clang 11.0.1)?\n" print_blue "> HINT: You can probably find this at: ${statusurl}\n" echo -e "\t1. [gcc 7.1.1 20170620]" @@ -145,6 +194,9 @@ while [[ ${COMPILER_CHOICE} -lt 1 || ${COMPILER_CHOICE} -gt 11 ]]; do echo -e "\t8. [clang 8.0.0 (trunk 343298)]" echo -e "\t9. [clang 10.0.0 (c2443155)]" echo -e "\t10. [clang 11.0.1 (llvm-11.0.1)]" + echo -e "\t11. [gcc-10.2.1 (docker: gcr.io/syzkaller/env)]" + echo -e "\t12. [gcc-10.2.0]" + echo -e "\t13. [clang 13.0.1 (docker: gcr.io/syzkaller/env)]" echo -n "> " read COMPILER_CHOICE @@ -176,6 +228,7 @@ while [ "${COMPILER_VERSION}" == "" ]; do 5) COMPILER_URL="https://storage.googleapis.com/syzkaller/gcc-10.1.0-syz.tar.xz" COMPILER_VERSION="gcc-10.1.0-syz" + COMPILER_BIN_PATH="gcc-10/bin/gcc" ;; 6) COMPILER_URL="https://storage.googleapis.com/syzkaller/clang-kmsan-329060.tar.gz" @@ -205,6 +258,21 @@ while [ "${COMPILER_VERSION}" == "" ]; do COMPILER_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-11.0.1/clang+llvm-11.0.1-x86_64-linux-gnu-ubuntu-20.10.tar.xz" COMPILER_VERSION="clang+llvm-11.0.1-x86_64-linux-gnu-ubuntu-20.10" ;; + 11) + COMPILER_DOCKER="y" + COMPILER_URL="gcr.io/syzkaller/env" + COMPILER_VERSION="gcc-10" + ;; + 12) + COMPILER_URL="https://storage.googleapis.com/syzkaller/gcc-10.2.0.tar.gz" + COMPILER_VERSION="gcc-10.2.0" + COMPILER_BIN_PATH="bin/gcc" + ;; + 13) + COMPILER_DOCKER="y" + COMPILER_URL="gcr.io/syzkaller/env" + COMPILER_VERSION="clang-13" + ;; *) print_red "ERROR: Something went wrong" exit 1 @@ -212,34 +280,6 @@ while [ "${COMPILER_VERSION}" == "" ]; do esac done -COMPILERDIR=${SYZKALLERDIR}/compilers/${COMPILER_VERSION} -mkdir -p ${COMPILERDIR} - -pushd ${COMPILERDIR} > /dev/null -if echo ${COMPILER_VERSION} | grep -q clang; then - # Parent directory in the Clang packages is already named correctly - cd .. - rmdir --ignore-fail-on-non-empty ${COMPILER_VERSION} - - COMPILER=${COMPILERDIR}/bin/clang -else - COMPILER=${COMPILERDIR}/gcc/bin/gcc -fi - -if [ ! -f $(basename ${COMPILER_URL}) ]; then - print_blue "\nDownloading ${COMPILER_VERSION}:\n\n\t${COMPILER_URL}" - curl -C - -sLO --show-error ${COMPILER_URL} - - if echo ${COMPILER_URL} | grep -q "gz$"; then - tar -xzf ${COMPILER_VERSION}.tar.gz - else - tar -xJf ${COMPILER_VERSION}.tar.xz - fi -else - print_blue "\nUsing ${COMPILER_VERSION}" -fi - -popd > /dev/null # ${COMPILERDIR} IMAGEDIR=${SYZKALLERDIR}/images mkdir -p ${IMAGEDIR} @@ -296,19 +336,28 @@ if grep -q KASAN_STACK_ENABLE lib/Kconfig.kasan; then scripts/config --file ${BUILDDIR}/.config --enable INIT_STACK_ALL_ZERO fi -compile="ccache make -j$(nproc) KBUILD_OUTPUT=${BUILDDIR} CC=${COMPILER}" +if [ "${COMPILER_DOCKER}" = 'y' ]; then + build_in_docker +else + build_local +fi + +echo "${sandbox}/compiler_choice :" echo "${compile}" yes "" | ${compile} +COMMIT=`git log --oneline | head -n 1 | awk '{print $1;}'` SSHARGS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentitiesOnly=yes" if [[ -z "${AGAIN}" && -z "${NOREPRO}" ]]; then + tput bel;sleep 1;tput bel; print_blue "Copy these command(s), then hit return:\n" echo -n "scp -P 10022 ${SSHARGS} ${reproexe} root@localhost:/root/ && " - echo "ssh -p 10022 ${SSHARGS} root@localhost \"while true; do ./repro; done\"" + echo "ssh -p 10022 ${SSHARGS} root@localhost \"echo \"\n\nTesting bug: ${bugid}\n\n\" > /dev/ttyS0;chmod uo+x ./repro; while true; do ./repro; done\"" read fi +TIME_TAG=`date +%Y%m%d_%H-%M-%S%z` qemu-system-x86_64 -smp 8 -m 16G -enable-kvm -cpu host -no-reboot \ -kernel ${BUILDDIR}/arch/x86/boot/bzImage -nographic \ -net user,host=10.0.2.10,hostfwd=tcp::10022-:22 \ @@ -316,6 +365,6 @@ qemu-system-x86_64 -smp 8 -m 16G -enable-kvm -cpu host -no-reboot -device virtio-scsi-pci,id=scsi \ -device scsi-hd,bus=scsi.0,drive=d0 \ -drive file=${IMAGEDIR}/${IMAGE},format=raw,if=none,id=d0 \ - -chardev stdio,id=char0,mux=on,logfile=serial.out,signal=off \ + -chardev stdio,id=char0,mux=on,logfile=serial.out.$bugid-$TIME_TAG-$COMMIT,signal=off \ -serial chardev:char0 -mon chardev=char0 \ - -append "root=/dev/sda1 rw console=ttyAMA0 panic_on_warn=0" + -append "root=/dev/sda1 rw console=ttyAMA0 panic_on_warn=0 kasan.fault=panic" |