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Diffstat (limited to 'docs/trusty')
| -rw-r--r-- | docs/trusty/README.md | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/docs/trusty/README.md b/docs/trusty/README.md index ff02b332c..cad54ae76 100644 --- a/docs/trusty/README.md +++ b/docs/trusty/README.md @@ -3,7 +3,7 @@ [Trusty](https://source.android.com/security/trusty) is a set of software components supporting a Trusted Execution Environment (TEE) on mobile devices. -This is work-in-progress, see #933. +This is work-in-progress, see #933. For now we only support testing `Trusty` via actual application ports. # Building kernel with Trusty IPC support @@ -109,3 +109,50 @@ SSH into the VM: ``` ssh -i $BUILDROOT/key -p 10022 -o IdentitiesOnly=yes root@localhost ``` + +# Running syzkaller + +Build and run `syzkaller` as: +``` +cd $SYZKALLER +make TARGETARCH=arm64 +cd $TRUSTY/build-root/build-qemu-generic-arm64-test-debug/atf/qemu/debug +$SYZKALLER/bin/syz-manager -config trusty.cfg +``` + +using config along the lines of (substitute actual values for `$KERNEL`, `$SYZKALLER`, `$BUILDROOT` and `$TRUSTY`): +``` +{ + "name": "trusty", + "target": "linux/arm64", + "http": ":10000", + "workdir": "/workdir", + "kernel_obj": "$KERNEL", + "syzkaller": "$SYZKALLER", + "image": "$BUILDROOT/output/images/rootfs.ext4", + "sshkey": "$BUILDROOT/key", + "cover": false, + "procs": 4, + "type": "qemu", + "vm": { + "count": 4, + "cpu": 1, + "mem": 1024, + "qemu": "$TRUSTY/build-root/build-qemu-generic-arm64-test-debug/qemu-build/aarch64-softmmu/qemu-system-aarch64", + "qemu_args": "-machine virt,secure=on,virtualization=on -cpu cortex-a57 -bios $TRUSTY/build-root/build-qemu-generic-arm64-test-debug/atf/qemu/debug/bl1.bin -d unimp -semihosting-config enable,target=native -no-acpi -dtb $TRUSTY/build-root/build-qemu-generic-arm64-test-debug/atf/qemu/debug/qemu-comb.dtb", + "cmdline": "androidboot.hardware=qemu_trusty console=ttyAMA0,38400 root=/dev/vda", + "kernel": "$KERNEL/arch/arm64/boot/Image" + }, + "enable_syscalls": [ + "openat$trusty*", + "write$trusty*", + "read", + "ioctl$TIPC_IOC_CONNECT*", + "ppoll", + "dup3", + "tkill", + "gettid", + "close" + ] +} +``` |