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syzkaller is an unsupervised coverage-guided kernel fuzzer

20 mentions on Hacker News by 18 people: 4 stories, 16 comments · first 2017-01-25 · latest 2025-08-24

Mentions per year 20 mentions · busiest year 2017 (7)
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  1. google/syzkaller @main: https://github.com/google/syzkaller But there is also fuzztest? google/fuzztest: https://github.com/google/fuzztest
    comment by westurner · 2025-08-24 · in Google Develops KFuzzTest for Fuzzing Internal Linux Kernel Functions
  2. …: - e.g. Google/syzkaller is a coverage-guided syscall fuzzer: https://github.com/google/syzkaller - Gitlab CI supports coverage-guided fuzzing: https://docs.gitlab.com/ee/user/application_security/coverag... - oss-fuzz,
    comment by westurner · 2024-02-18 · in Automated Unit Test Improvement Using Large Language Models at Meta
  3. …a lot quicker. Google have a project to do fuzzing on Linux system calls using coverage feedback: https://github.com/google/syzkaller
    comment by rwmj · 2023-08-18 · in Fuzz testing: the best thing to happen to our application tests
  4. …calls are made by a process: https://en.wikipedia.org/wiki/Strace#Similar_tools Google/syzkaller https://github.com/google/syzkaller : > syzkaller ([siːzˈkɔːlə]) is an unsupervised coverage-guided kernel fuzzer. Supported OSes: Akaros,…
    comment by westurner · 2022-10-30 · in Linux System Call Table – Chromiumos
  5. Also see https://github.com/google/syzkaller - lots of kernel bugs found by this one
    comment by dilyevsky · 2020-12-06 · in Gustave – Embedded OS kernel fuzzer
  6. …docs[0] and then read the syzkaller papers[1] [0] https://llvm.org/docs/LibFuzzer.html [1] https://github.com/google/syzkaller https://github.com/google/syzkaller
    comment by big_youth · 2020-07-25 · in Kernel state based fuzzer: a LLVM approach
  7. ▲ 1
    Found Linux kernel USB bugs
    story by doener · 2020-05-28 · 0 comments
  8. Syzkaller fuzzes that stuff. https://github.com/google/syzkaller
    comment by pcwalton · 2019-12-18 · in Linux 3.8 introduced unprivileged user namespaces [pdf]
  9. …But otherwise it will be running 24/7 (across multiple VMs!) looking for issues. More details here: https://github.com/google/syzkaller
    comment by outworlder · 2019-11-22 · in Bad Binder: Android In-the-Wild Exploit
  10. …by an external agent). [1] https://github.com/google/gvisor/tree/master/test/syscalls/l... [2] https://github.com/google/syzkaller [3] https://gvisor.dev/docs/architecture_guide/overview/
    comment by prattmic · 2019-05-16 · in GKE Sandbox: Independent operating system kernel to each container
  11. …people, you can find kernel bugs at will with kernel fuzzers like syzkaller from Google. Look at https://github.com/google/syzkaller/blob/master/docs/found_b... and weep.
    comment by sanxiyn · 2019-01-22 · in CompCert – A formally verified C compiler
  12. ▲ 1
    Syzkaller: unsupervised coverage-guided kernel fuzzer
    story by ingve · 2018-10-21 · 0 comments
  13. …issues found in the OpenBSD kernel, including two[2][3] issues with kqueue. Pretty cool stuff! [1] https://github.com/google/syzkaller [2] https://marc.info/?l=openbsd-cvs&m=153364550327224&w=2 [3] https://marc.info/?l=openbsd-cvs&m=1529300…
    comment by merlincorey · 2018-09-06 · in Fuzzing the OpenBSD Kernel [pdf]
  14. …fuzzy lop" and "syzkaller" have gone through the kernel and found dozens of use-after-free's (see https://github.com/google/syzkaller/blob/4bd70f/docs/linux/f... ), shows that even incredibly carefully programmed C messes up in totally…
    comment by TheDong · 2017-11-26 · in Rust: Enable WebAssembly backend by default
  15. ▲ 1
    Found Linux kernel USB bugs
    story by Sami_Lehtinen · 2017-11-08 · 0 comments
  16. Wow, they found 458 bugs in the linux kernel: https://github.com/google/syzkaller/blob/master/docs/found_b...
    comment by mastax · 2017-06-15 · in How I Found a 20-Year-Old Linux Kernel Bug
  17. Something like https://github.com/google/syzkaller ?
    comment by aleksi · 2017-06-14 · in How I Found a 20-Year-Old Linux Kernel Bug
  18. …and exploitable bugs for Linux [1] [2]. [1] https://github.com/kernelslacker/trinity [2] https://github.com/google/syzkaller/
    comment by avisaven · 2017-05-26 · in How Dirty COW works from the Linux kernel’s perspective
  19. ▲ 2
    Syzkaller as BOINC project
    story by laslfasjflsal · 2017-03-13 · 1 comment
  20. Some of the tools have been: https://github.com/google/syzkaller
    comment by strstr · 2017-01-25 · in Ways we harden our KVM hypervisor at Google Cloud: Security in plaintext