libkrun

Issues somebody may already be working on are listed last. List everything by date

• Apply OCI security settings to the guest workload

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  Difficulty 5/5 Over a week Newbie friendliness 12/100

  libkrun/libkrun#913 · Opened Oct 8, 2026

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• main (post-#886) GPU+FFI build fails on macOS: virglrenderer-krun missing virgl_renderer_resource_map_fixed (needs virglrenderer >= 1.3.0)

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  libkrun/libkrun#911 · Opened Oct 7, 2026

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• All virtiofs shares return ECONNREFUSED in the guest (macOS host, libkrun 1.19.6 + krunkit 1.3.2)

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  libkrun/libkrun#910 · Opened Oct 7, 2026

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• Incomplete description of building examples

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  Difficulty 2/5 1-3 hours Newbie friendliness 70/100

  libkrun/libkrun#895 · 1 comment · Opened Oct 3, 2026

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• Guest reboot and power-off both exit 0, so callers can't tell them apart

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  libkrun/libkrun#892 · 2 comments · Opened Sep 30, 2026

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• Guest UID/GID handling since 1.19.5 prevents privileged guest bootstrap

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  libkrun/libkrun#890 · 8 comments · Opened Sep 30, 2026

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• virtio-fs (macOS): a file the host replaces via `rename()` reads as ENOENT in the guest for up to `entry_timeout` (5s)

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  libkrun/libkrun#888 · Opened Sep 30, 2026

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• Some keys are not mapped correctly

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  libkrun/libkrun#882 · Opened Sep 28, 2026

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• TSI: impersonated INET sockets always get SO_REUSEPORT, so a second VM's `listen()` silently shares the host port

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  libkrun/libkrun#860 · 1 comment · Opened Sep 15, 2026

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• Rootless Container Image Unpacking Fails With EACCESS

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  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  libkrun/libkrun#849 · 1 reaction · Opened Sep 10, 2026

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• unexpected dgram pkt: 3 errors with qemu-guest-agent on vsock

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  libkrun/libkrun#841 · Opened Sep 5, 2026

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• [aarch64][virtio-gpu] KVM_RUN returns EFAULT when running games with Venus

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  libkrun/libkrun#832 · 2 comments · Opened Sep 1, 2026

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• TSI: accept() holds the socket lock across the blocking vsock round-trip — concurrent getsockname() on the listening socket never returns

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  libkrun/libkrun#819 · 1 comment · Opened Aug 24, 2026

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• TSI: bind(port 0) + listen() lands the VMM proxy on a different ephemeral port than the guest — ephemeral listeners unreachable

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  libkrun/libkrun#818 · 2 comments · Opened Aug 24, 2026

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• Guest networking randomly breaks after a few hours

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  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  libkrun/libkrun#809 · Opened Aug 8, 2026

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• claude code hangs

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  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  libkrun/libkrun#804 · 1 comment · Opened Jul 29, 2026

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• Status and documentation for Windows (WHP) support

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#798 · 1 comment · Opened Jul 27, 2026

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• Saturated host=>guest vsock with small packets results in `ENOBUFS` and reset

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  libkrun/libkrun#795 · 7 comments · Opened Jul 23, 2026

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• Clock skew reported by Meson

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  libkrun/libkrun#775 · 4 comments · Opened Jul 9, 2026

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• Long-running microVMs have time drifting issues with cryto-related workloads

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  libkrun/libkrun#756 · 2 comments · 1 reaction · Opened Jun 25, 2026

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• Feature propsal/RFC: Snapshot / restore for libkrun

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#748 · 12 comments · 1 reaction · Opened Jun 24, 2026

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• Support virtio-balloon deflate-on-oom flag

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  Difficulty 4/5 3-5 days Newbie friendliness 47/100

  libkrun/libkrun#707 · 3 comments · Opened Jun 5, 2026

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• Better C API + native Rust API

  May be free again @mtjhrc claimed this 179 days ago, and no pull request is open. Open

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  2.0

  libkrun/libkrun#634 · 4 comments · 1 reaction · 1 assignee · Opened Apr 13, 2026

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• VIRTIO_IOC_EXPORT_FD_REQ behavior when exporting the same FD multiple times

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  libkrun/libkrun#624 · 1 comment · Opened Apr 9, 2026

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• RFC: Does libkrun support LoongArch64 Linux/KVM?

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  libkrun/libkrun#601 · 2 comments · 2 reactions · Opened Mar 24, 2026

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• Bug: TSI sliently drops large HTTP POST requests with BufDescTooSmall

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#579 · 1 comment · Opened Mar 10, 2026

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• `USER` directive in a `Containerfile` doesn't change the user for `RUN` directives during `podman build`

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#571 · 1 reaction · Opened Mar 9, 2026

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• virtiofs: FUSE conn_error on Linux 6.12+ due to ALLOW_IDMAP without POSIX_ACL

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  libkrun/libkrun#568 · 1 comment · Opened Mar 4, 2026

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• libkrun terminates entire process on VM exit, the caller has no chances to clean up resources

  May be free again @gdozortsev claimed this 128 days ago, and no pull request is open. Open

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  libkrun/libkrun#561 · 4 comments · 1 reaction · Opened Feb 23, 2026

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• [Feature request]: support terminal SIGWINCH on MacOS

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  libkrun/libkrun#536 · 1 comment · Opened Feb 9, 2026

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• Guest internal socket communication gets intercepted by TSI

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  libkrun/libkrun#510 · 1 comment · Opened Jan 10, 2026

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• virtiofs/PassthroughFs can open too many file descriptors

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  libkrun/libkrun#505 · 2 comments · Opened Jan 9, 2026

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• tsi_hijack_unix should be added to the guest kernel cmdline if on Linux

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  Difficulty 3/5 1-2 days Newbie friendliness 44/100

  libkrun/libkrun#500 · 2 comments · Opened Jan 6, 2026

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• libkrun-efi: macos doesn't work with external kernel: `FirmwareInvalidAddress(InvalidGuestAddress(GuestAddress(0)))`

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  Difficulty 4/5 1-2 days Newbie friendliness 47/100

  libkrun/libkrun#466 · 3 comments · Opened Nov 13, 2025

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• Build fails on llvm/musl/libcxx/aarch64

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#429 · Opened Oct 18, 2025

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• Investigate podman build performance versus vfkit

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#414 · 5 comments · Opened Sep 23, 2025

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• virtio-net: read/write multiple messages per syscall on macOS

  May be free again @mtjhrc claimed this 262 days ago, and no pull request is open. Open

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  libkrun/libkrun#405 · 3 reactions · 1 assignee · Opened Sep 1, 2025

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• libkrun-efi: Support upstream virglrenderer

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  libkrun/libkrun#399 · 2 comments · 1 reaction · Opened Aug 29, 2025

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• Should we use GuestRegionCollection?

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#389 · 2 comments · Opened Aug 13, 2025

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• Investigate KosmicKrisp

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  graphics

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  libkrun/libkrun#387 · 2 comments · Opened Aug 11, 2025

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• virtio-net: read directly from the backend to the descriptor chain

  May be free again @mtjhrc claimed this 423 days ago, and no pull request is open. Open

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  networking

  libkrun/libkrun#385 · 3 comments · 1 assignee · Opened Aug 6, 2025

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• Using a custom virtio-net driver

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  networking

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#374 · 8 comments · 3 reactions · Opened Jul 8, 2025

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• Question about VMM process lifecycle

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  question

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#373 · 6 comments · Opened Jul 7, 2025

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• [Feature Request]: Add support for a GDBStub

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  enhancement question

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  libkrun/libkrun#372 · 2 comments · Opened Jul 7, 2025

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• The pkg-config for libkrun-sev and libkrun-efi seems to not be installed

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  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  libkrun/libkrun#351 · 1 comment · Opened Jun 7, 2025

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• CPU usage spike and unresponsiveness when guest attempts to connect to any port 127.0.0.1 on a MacOS host with TSI

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  networking

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  libkrun/libkrun#344 · 1 comment · Opened Jun 5, 2025

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• Virtio-fs escape outside of specified vm directory

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#329 · 1 comment · Opened May 12, 2025

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• Major opcode of failed request: 130 (MIT-SHM)

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  Difficulty 4/5 3-5 days Newbie friendliness 28/100

  libkrun/libkrun#322 · 1 reaction · Opened Apr 29, 2025

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• Support RISC-V 64-bit architecture

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  libkrun/libkrun#318 · 10 comments · Opened Apr 18, 2025

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• numa support: in 128 cores machine, could only see 16 cores in libkrun vm.

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  libkrun/libkrun#316 · 2 comments · Opened Apr 17, 2025

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