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syzkaller is an unsupervised coverage-guided kernel fuzzer
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Anton Lindqvist 872ebc286c sys/openbsd: neutralize sysctl kern.maxthread 
Yet another root only knob that can cause the syz-execprog process to
panic[1]. Greg is currently working on sanitizing sysctl integer knobs
in the OpenBSD kernel. This will improve the situation but preventing
fiddling with this knob is a good call anyway.

While here, restructure the code a bit making it easier to add sysctl
neutralizers.

[1] https://syzkaller.appspot.com/bug?id=40bcbbeb244998dfc4eeec90b8f8bce372882211
2020-08-14 13:46:14 +02:00
.github tools/check-commits.sh: fix commit range detection 2020-08-05 09:18:56 +02:00
dashboard dashboard/config: enable BPF LSM 2020-08-07 09:28:35 +02:00
docs sys/linux: switch to the new .const format 2020-08-13 17:22:16 +02:00
executor executor: warn about C89-style var declarations 2020-08-14 09:40:08 +02:00
pkg executor: warn about C89-style var declarations 2020-08-14 09:40:08 +02:00
prog prog: fix UnionType mutation for when per-field dir is specified 2020-08-14 11:02:10 +02:00
sys sys/openbsd: neutralize sysctl kern.maxthread 2020-08-14 13:46:14 +02:00
syz-ci pkg: get and store Maintainers data 2020-07-31 17:18:29 +02:00
syz-fuzzer all: initialize vhci in linux 2020-07-30 11:33:48 +02:00
syz-hub prog: control program length 2020-03-13 13:16:53 +01:00
syz-manager syz-manager/cover: support compiler triple for readelf 2020-08-09 14:58:49 +02:00
tools pkg/compiler: merge const files into a single file 2020-08-13 17:22:16 +02:00
vendor vendor: add google.golang.org/appengine/memcache 2020-07-09 19:40:12 +02:00
vm all: fix comments format 2020-07-12 08:22:44 +02:00
.clang-format buildbot: add .travis.yml 2017-07-28 13:25:48 +02:00
.gitattributes all: mark auto-generated files 2020-07-29 12:55:55 +02:00
.gitignore .gitignore: add *.tmp 2020-07-29 12:55:05 +02:00
.golangci.yml tools/syz-linter: add custom linter 2020-07-04 15:05:30 +02:00
AUTHORS tools/syz-crush: Add feature to run C-program 2020-06-15 18:41:13 +02:00
CODE_OF_CONDUCT.md Create CODE_OF_CONDUCT.md 2019-02-04 12:05:04 +01:00
codecov.yml codecov.yml: suppress coverage errors even more 2020-07-01 22:57:25 +02:00
CONTRIBUTORS CONTRIBUTORS: add Matthew Halchyshak 2020-08-10 12:06:25 +02:00
fuzzbuzz.yaml all: add missing copyright statements 2020-05-18 11:34:42 +02:00
go.mod tools/syz-linter: add custom linter 2020-07-04 15:05:30 +02:00
go.sum go.mod: add go-fuzz-build 2020-07-04 15:05:30 +02:00
LICENSE initial commit 2015-10-12 10:16:57 +02:00
Makefile Makefile: try to install clang-tidy package explicitly 2020-08-13 13:26:55 +02:00
README.md README.md: fix oss-fuzz badge link 2020-05-21 17:36:56 +02:00

README.md

syzkaller - kernel fuzzer

CI Status fuzzit OSS-Fuzz Go Report Card Coverage Status GoDoc License

syzkaller ([siːzˈkɔːlə]) 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.

Disclaimer

This is not an official Google product.