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9150b3e544
We now have a bunch of targets compiled into each binary. All targets are initialized eagerly on startup time. As the result a do nothing binary starts for ~0.58s and consumes ~21MB. Initialize targets lazily. Usually only 1 target is used. This reduces startup time to ~0.00s and memory consumption to ~5.4MB.
syzkaller - kernel fuzzer
syzkaller is an unsupervised coverage-guided kernel fuzzer. Linux kernel fuzzing has the most support, akaros, freebsd, fuchsia, netbsd and windows are supported to varying degrees.
The project mailing list is syzkaller@googlegroups.com. You can subscribe to it with a google account or by sending an email to syzkaller+subscribe@googlegroups.com.
Documentation
Initially, syzkaller was developed with Linux kernel fuzzing in mind, but now it's being extended to support other OS kernels as well. Most of the documentation at this moment is related to the Linux kernel. For other OS kernels check: Akaros, FreeBSD, Fuchsia, NetBSD, Windows.
- How to install syzkaller
- How to use syzkaller
- How syzkaller works
- How to contribute to syzkaller
- How to report Linux kernel bugs
External Articles
- Kernel QA with syzkaller and qemu (tutorial on how to setup syzkaller with qemu)
- Syzkaller crash DEMO (tutorial on how to extend syzkaller with new syscalls)
- Coverage-guided kernel fuzzing with syzkaller (by David Drysdale)
- ubsan, kasan, syzkaller und co (video) (by Florian Westphal)
- Debugging a kernel crash found by syzkaller (by Quentin Casasnovas)
- Linux Plumbers 2016 talk slides
- syzkaller: the next gen kernel fuzzer (basics of operations, tutorial on how to run syzkaller and how to extend it to fuzz new drivers)
Disclaimer
This is not an official Google product.