Issues

• forward_sendfile bypasses shadow_sp for writable shadow destination FDs

  sysprog21/kbox#64 · Filter by author ChuWeiChang opened on Apr 24, 2026

• bind mount resolves source path inside guest instead of host

  sysprog21/kbox#56 · Filter by author c8763yee opened on Apr 11, 2026
  2

• Allowing trampoline IPs cause arbitrary host syscall execution in trap mode

  sysprog21/kbox#55 · Filter by author rota1001 opened on Apr 9, 2026

• Add host-FD reverse map to eliminate O(n) scans in close and sendfile paths

  sysprog21/kbox#38 · Filter by author jserv opened on Mar 30, 2026
  6

  

• Cache shadow memfds across repeated opens to reduce open+close latency

  sysprog21/kbox#37 · Filter by author jserv opened on Mar 30, 2026
  1

• Kernel House: deeper interactions and LKL-native telemetry

  enhancement
  sysprog21/kbox#26 · Filter by author jserv opened on Mar 27, 2026
  1

• Support RISC-V (rv64)

  sysprog21/kbox#18 · Filter by author jserv opened on Mar 22, 2026
  3

  

• bypass4netns-style socket switching (opt-in host network mode)

  sysprog21/kbox#16 · Filter by author jserv opened on Mar 22, 2026

• Add passt networking backend as alternative to minislirp

  sysprog21/kbox#15 · Filter by author jserv opened on Mar 22, 2026
  4

• Supervisor-side Landlock enforcement for filesystem confinement

  sysprog21/kbox#14 · Filter by author jserv opened on Mar 22, 2026

• SLIRP: server sockets and pidfd_getfd

  sysprog21/kbox#12 · Filter by author jserv opened on Mar 21, 2026
  10

  

• Shadow FDs: point-in-time snapshots, 256MB cap, no write-back

  sysprog21/kbox#11 · Filter by author jserv opened on Mar 21, 2026
  4

• Stress test failures are non-blocking and lack triage

  sysprog21/kbox#10 · Filter by author jserv opened on Mar 21, 2026

• glibc-static binaries fail on readlink("/proc/self/exe")

  sysprog21/kbox#9 · Filter by author jserv opened on Mar 21, 2026

• FD gap: virtual FDs in [1024, 32768) are untracked

  sysprog21/kbox#8 · Filter by author jserv opened on Mar 21, 2026