google/syzkaller

google/syzkaller has 6,391 GitHub stars and 1,471 forks. GitHot measured +6 in 7 days. Last checked 2026-11-06 14:02 UTC. Last push 2026-11-05.

How these counts are measured

syzkaller is an unsupervised coverage-guided kernel fuzzer

6,391 stars 1,471 forks

Measured star growth

in 24h: Update delayed
in 7 days: +6
in 15 days: Collecting history
in 1 month: Collecting history

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

syzkaller - kernel fuzzer

syzkaller ([siːzˈkɔːlə]) is an unsupervised coverage-guided kernel fuzzer.
Supported OSes: FreeBSD, Fuchsia, gVisor, Linux, NetBSD, OpenBSD, Windows.

Mailing list: [email protected] (join on web or by email).

Found bugs: 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: Darwin/XNU, FreeBSD, Fuchsia, NetBSD, OpenBSD, Starnix, Windows, gVisor, Akaros.

Disclaimer

This is not an official Google product.

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