Clone this repo:
  1. 1d606f1 Remove old zx_log_* syscall references by George Kulakowski · 10 months ago master
  2. 660ccde [syscalls] Change vmar..._old() calls back and use new params by David Moore · 11 months ago
  3. a11f6eb Merge "Remove refencenes to defunct zx_log_create" by George Kulakowski · 12 months ago
  4. 35af381 Remove refencenes to defunct zx_log_create by George Kulakowski · 12 months ago
  5. b3e987b Remove defunct zx_log_create by George Kulakowski · 1 year ago

syzkaller - kernel fuzzer

Build Status

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 You can subscribe to it with a google account or by sending an email to

List of found bugs.


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.

External Articles


This is not an official Google product.