Merge pull request #5403 from avagin:syzkaller3

PiperOrigin-RevId: 355047815

3 files changed, 49 insertions, 0 deletions

diff --git a/images/syzkaller/Dockerfile b/images/syzkaller/Dockerfile
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index 000000000..df6680f40
--- /dev/null
+++ b/images/syzkaller/Dockerfile
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+FROM gcr.io/syzkaller/env
+
+RUN apt update && apt install -y git vim strace gdb procps
+
+WORKDIR  /syzkaller/gopath/src/github.com/google/syzkaller
+
+RUN git init . && git remote add origin https://github.com/google/syzkaller && git fetch origin && git checkout origin/master && make
+
+ENTRYPOINT ./bin/syz-manager --config /tmp/syzkaller/syzkaller.cfg
diff --git a/images/syzkaller/README.md b/images/syzkaller/README.md
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index 000000000..1eac474f3
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+++ b/images/syzkaller/README.md
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+syzkaller is an unsupervised coverage-guided kernel fuzzer.
+
+*   [Github](https://github.com/google/syzkaller)
+*   [gVisor dashboard](https://syzkaller.appspot.com/gvisor)
+
+# How to run syzkaller.
+
+*   Build the syzkaller docker image `make load-syzkaller`
+*   Build runsc and place it in /tmp/syzkaller. `make RUNTIME_DIR=/tmp/syzkaller
+    refresh`
+*   Copy the syzkaller config in /tmp/syzkaller `cp
+    images/syzkaller/default-gvisor-config.cfg /tmp/syzkaller/syzkaller.cfg`
+*   Run syzkaller `docker run --privileged -it --rm -v
+    /tmp/syzkaller:/tmp/syzkaller gvisor.dev/images/syzkaller:latest`
+
+# How to run a syz repro.
+
+*   Repeate all steps except the last one from the previous section.
+
+*   Save a syzkaller repro in /tmp/syzkaller/repro
+
+*   Run syz-repro `docker run --privileged -it --rm -v
+    /tmp/syzkaller:/tmp/syzkaller --entrypoint=""
+    gvisor.dev/images/syzkaller:latest ./bin/syz-repro -config
+    /tmp/syzkaller/syzkaller.cfg /tmp/syzkaller/repro`
diff --git a/images/syzkaller/default-gvisor-config.cfg b/images/syzkaller/default-gvisor-config.cfg
new file mode 100644
index 000000000..c69641c21
--- /dev/null
+++ b/images/syzkaller/default-gvisor-config.cfg
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+{
+        "name": "gvisor",
+        "target": "linux/amd64",
+        "http": ":80",
+        "workdir": "/tmp/syzkaller/workdir/",
+        "image": "/tmp/syzkaller/runsc",
+        "syzkaller": "/syzkaller/gopath/src/github.com/google/syzkaller",
+        "cover": false,
+        "procs": 1,
+        "type": "gvisor",
+        "vm": {
+                "count": 1,
+                "runsc_args": "--debug --network none --platform ptrace --vfs2 --fuse -net-raw -watchdog-action=panic"
+        }
+}