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syzkaller is an unsupervised coverage-guided kernel fuzzer
55e0c07757
* sys/linux: extract USB HID ids As it turns out the HID kernel subsystem registers only one USB driver that checks that the interface of the connected device has HID class and then looks up its own list of vendor/device ids to find a matching driver. This means that we currently don't generate proper vendor/device ids for USB HID devices. This patch updates the syz-usbgen tool to also extract USB HID vendor/device ids from a running kernel and makes the generated descriptions for HID devices to be patched using the extracted ids. This patch also contains some minor improvements to USB descriptions (better HID descriptions and more replies for some USB classes/drivers). * sys/linux: run make generate |
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| syz-ci | ||
| syz-fuzzer | ||
| syz-hub | ||
| syz-manager | ||
| tools | ||
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| vm | ||
| .clang-format | ||
| .gitignore | ||
| .golangci.yml | ||
| .gometalinter.json | ||
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| AUTHORS | ||
| CODE_OF_CONDUCT.md | ||
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| fuzzbuzz.yaml | ||
| LICENSE | ||
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| README.md | ||
syzkaller - kernel fuzzer
syzkaller is an unsupervised coverage-guided kernel fuzzer.
Supported OSes: Akaros, FreeBSD, Fuchsia, gVisor, Linux, NetBSD, OpenBSD, Windows.
Mailing list: syzkaller@googlegroups.com (join on web or by email).
Found bugs: Akaros, Darwin/XNU, FreeBSD, Linux, NetBSD, OpenBSD, Windows.
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, Darwin/XNU, FreeBSD, Fuchsia, NetBSD, OpenBSD, Windows, gVisor.
- How to install syzkaller
- How to use syzkaller
- How syzkaller works
- How to contribute to syzkaller
- How to report Linux kernel bugs
External Articles
- Research work based on syzkaller
- From HardenedLinux project:
- 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)
- Kernel debug tool with syzkaller (debugging qemu VM created by syz-manager with gdb)
- Explanation of some syzkaller internals
- A example of fuzzing the ceph filesystem
- 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)
- syzbot and the tale of thousand kernel bugs [video]
Disclaimer
This is not an official Google product.