| // AUTOGENERATED FILE |
| |
| package build |
| |
| const createImageScript = `#!/bin/bash |
| |
| |
| set -eux |
| |
| CLEANUP="" |
| trap 'eval " $CLEANUP"' EXIT |
| |
| IMG_ARCH="${3:-amd64}" |
| |
| if [ ! -e $1/sbin/init ]; then |
| echo "usage: create-gce-image.sh /dir/with/user/space/system /path/to/bzImage [arch]" |
| exit 1 |
| fi |
| |
| case "$IMG_ARCH" in |
| 386|amd64) |
| KERNEL_IMAGE_BASENAME=bzImage |
| ;; |
| ppc64le) |
| KERNEL_IMAGE_BASENAME=zImage.pseries |
| ;; |
| esac |
| |
| if [ "$(basename $2)" != "$KERNEL_IMAGE_BASENAME" ]; then |
| echo "usage: create-gce-image.sh /dir/with/user/space/system /path/to/bzImage [arch]" |
| exit 1 |
| fi |
| |
| SYZ_VM_TYPE="${SYZ_VM_TYPE:-qemu}" |
| if [ "$SYZ_VM_TYPE" == "qemu" ]; then |
| : |
| elif [ "$SYZ_VM_TYPE" == "gce" ]; then |
| : |
| else |
| echo "SYZ_VM_TYPE has unsupported value $SYZ_VM_TYPE" |
| exit 1 |
| fi |
| |
| BLOCK_DEVICE="loop" |
| if [ "$(uname -a | grep Ubuntu)" != "" ]; then |
| BLOCK_DEVICE="nbd" |
| fi |
| |
| sudo umount disk.mnt || true |
| if [ "$BLOCK_DEVICE" == "loop" ]; then |
| : |
| elif [ "$BLOCK_DEVICE" == "nbd" ]; then |
| sudo modprobe nbd |
| sudo qemu-nbd -d /dev/nbd0 || true |
| fi |
| rm -rf disk.mnt disk.raw || true |
| |
| fallocate -l 2G disk.raw |
| if [ "$BLOCK_DEVICE" == "loop" ]; then |
| DISKDEV="$(sudo losetup -f --show -P disk.raw)" |
| CLEANUP="sudo losetup -d $DISKDEV; $CLEANUP" |
| elif [ "$BLOCK_DEVICE" == "nbd" ]; then |
| DISKDEV="/dev/nbd0" |
| sudo qemu-nbd -c $DISKDEV --format=raw disk.raw |
| CLEANUP="sudo qemu-nbd -d $DISKDEV; $CLEANUP" |
| fi |
| |
| case "$IMG_ARCH" in |
| 386|amd64) |
| echo -en "o\nn\np\n1\n\n\na\nw\n" | sudo fdisk $DISKDEV |
| PARTDEV=$DISKDEV"p1" |
| ;; |
| ppc64le) |
| echo -en "g\nn\n1\n2048\n16383\nt\n7\nn\n2\n\n\nw\n" | sudo fdisk $DISKDEV |
| PARTDEV=$DISKDEV"p2" |
| ;; |
| esac |
| |
| until [ -e $PARTDEV ]; do sleep 1; done |
| sudo -E mkfs.ext4 -O ^resize_inode,^has_journal,ext_attr,extents,huge_file,flex_bg,dir_nlink,sparse_super $PARTDEV |
| mkdir -p disk.mnt |
| CLEANUP="rm -rf disk.mnt; $CLEANUP" |
| sudo mount $PARTDEV disk.mnt |
| CLEANUP="sudo umount disk.mnt; $CLEANUP" |
| sudo cp -a $1/. disk.mnt/. |
| sudo cp $2 disk.mnt/vmlinuz |
| sudo sed -i "/^root/ { s/:x:/::/ }" disk.mnt/etc/passwd |
| echo "T0:23:respawn:/sbin/getty -L ttyS0 115200 vt100" | sudo tee -a disk.mnt/etc/inittab |
| echo -en "auto lo\niface lo inet loopback\nauto eth0\niface eth0 inet dhcp\n" | sudo tee disk.mnt/etc/network/interfaces |
| echo "debugfs /sys/kernel/debug debugfs defaults 0 0" | sudo tee -a disk.mnt/etc/fstab |
| echo "securityfs /sys/kernel/security securityfs defaults 0 0" | sudo tee -a disk.mnt/etc/fstab |
| echo "configfs /sys/kernel/config/ configfs defaults 0 0" | sudo tee -a disk.mnt/etc/fstab |
| echo 'binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc defaults 0 0' | sudo tee -a disk.mnt/etc/fstab |
| for i in {0..31}; do |
| echo "KERNEL==\"binder$i\", NAME=\"binder$i\", MODE=\"0666\"" | \ |
| sudo tee -a disk.mnt/etc/udev/50-binder.rules |
| done |
| |
| echo "kernel.printk = 7 4 1 3" | sudo tee -a disk.mnt/etc/sysctl.conf |
| echo "debug.exception-trace = 0" | sudo tee -a disk.mnt/etc/sysctl.conf |
| SYZ_SYSCTL_FILE="${SYZ_SYSCTL_FILE:-}" |
| if [ "$SYZ_SYSCTL_FILE" != "" ]; then |
| cat $SYZ_SYSCTL_FILE | sudo tee -a disk.mnt/etc/sysctl.conf |
| fi |
| |
| echo -en "127.0.0.1\tlocalhost\n" | sudo tee disk.mnt/etc/hosts |
| echo "nameserver 8.8.8.8" | sudo tee -a disk.mnt/etc/resolve.conf |
| echo "ClientAliveInterval 420" | sudo tee -a disk.mnt/etc/ssh/sshd_config |
| echo "syzkaller" | sudo tee disk.mnt/etc/hostname |
| rm -f key key.pub |
| ssh-keygen -f key -t rsa -N "" |
| sudo mkdir -p disk.mnt/root/.ssh |
| sudo cp key.pub disk.mnt/root/.ssh/authorized_keys |
| sudo chown root disk.mnt/root/.ssh/authorized_keys |
| sudo mkdir -p disk.mnt/boot/grub |
| |
| CMDLINE="" |
| SYZ_CMDLINE_FILE="${SYZ_CMDLINE_FILE:-}" |
| if [ "$SYZ_CMDLINE_FILE" != "" ]; then |
| CMDLINE=$(awk '{printf("%s ", $0)}' $SYZ_CMDLINE_FILE) |
| fi |
| |
| case "$IMG_ARCH" in |
| 386|amd64) |
| cat << EOF | sudo tee disk.mnt/boot/grub/grub.cfg |
| terminal_input console |
| terminal_output console |
| set timeout=0 |
| menuentry 'linux' --class gnu-linux --class gnu --class os { |
| insmod vbe |
| insmod vga |
| insmod video_bochs |
| insmod video_cirrus |
| insmod gzio |
| insmod part_msdos |
| insmod ext2 |
| set root='(hd0,1)' |
| linux /vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 $CMDLINE |
| } |
| EOF |
| sudo grub-install --target=i386-pc --boot-directory=disk.mnt/boot --no-floppy $DISKDEV |
| ;; |
| ppc64le) |
| cat << EOF | sudo tee disk.mnt/boot/grub/grub.cfg |
| terminal_input console |
| terminal_output console |
| set timeout=0 |
| menuentry 'linux' --class gnu-linux --class gnu --class os { |
| insmod gzio |
| insmod part_gpt |
| insmod ext2 |
| set root='(ieee1275/disk,gpt2)' |
| linux /vmlinuz root=/dev/sda2 console=ttyS0 earlyprintk=serial rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 $CMDLINE |
| } |
| EOF |
| sudo grub-install --target=powerpc-ieee1275 --boot-directory=disk.mnt/boot $DISKDEV"p1" |
| ;; |
| esac |
| ` |