diff options
| -rw-r--r-- | docs/setup_ubuntu-host_qemu-vm_x86-64-kernel.md | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/docs/setup_ubuntu-host_qemu-vm_x86-64-kernel.md b/docs/setup_ubuntu-host_qemu-vm_x86-64-kernel.md index 17125d1e2..1e6d51220 100644 --- a/docs/setup_ubuntu-host_qemu-vm_x86-64-kernel.md +++ b/docs/setup_ubuntu-host_qemu-vm_x86-64-kernel.md @@ -87,7 +87,7 @@ make oldconfig Build the kernel with previously built GCC: ``` -make CC='$GCC/install/bin/gcc' -j64 +make CC="$GCC/install/bin/gcc" -j64 ``` Now you should have `vmlinux` (kernel binary) and `bzImage` (packed kernel image): @@ -178,6 +178,9 @@ After that you should be able to ssh to QEMU instance in another terminal: ssh -i $IMAGE/ssh/id_rsa -p 10021 -o "StrictHostKeyChecking no" root@localhost ``` +If this fails with "too many tries", ssh may be passing default keys before +the one explicitly passed with `-i`. Append option `-o "IdentitiesOnly yes"`. + To kill the running QEMU instance: ``` bash kill $(cat vm.pid) @@ -191,7 +194,7 @@ wget https://storage.googleapis.com/golang/go1.8.1.linux-amd64.tar.gz tar -xf go1.8.1.linux-amd64.tar.gz mv go goroot export GOROOT=`pwd`/goroot -export PATH=$PATH:$GOROOT/bin +export PATH=$GOROOT/bin:$PATH mkdir gopath export GOPATH=`pwd`/gopath ``` @@ -206,21 +209,22 @@ mkdir workdir make ``` -Create manager config like this: +Create a manager config like the following, replacing the environment +variables `$GOPATH`, `$KERNEL` and `$IMAGE` with their actual values. ``` { "target": "linux/amd64", "http": "127.0.0.1:56741", - "workdir": "/gopath/src/github.com/google/syzkaller/workdir", - "vmlinux": "/linux/upstream/vmlinux", - "image": "/image/wheezy.img", - "sshkey": "/image/ssh/id_rsa", - "syzkaller": "/gopath/src/github.com/google/syzkaller", + "workdir": "$GOPATH/src/github.com/google/syzkaller/workdir", + "vmlinux": "$KERNEL/vmlinux", + "image": "$IMAGE/wheezy.img", + "sshkey": "$IMAGE/ssh/id_rsa", + "syzkaller": "$GOPATH/src/github.com/google/syzkaller", "procs": 8, "type": "qemu", "vm": { "count": 4, - "kernel": "/linux/arch/x86/boot/bzImage", + "kernel": "$KERNEL/arch/x86/boot/bzImage", "cpu": 2, "mem": 2048 } |