Issues

• Time jumps and time going backward

  wolfcw/libfaketime#564 · Filter by author xiaoqinsun opened on Oct 18, 2026

• Question regarding dynamic speed switching

  wolfcw/libfaketime#562 · Filter by author xiaoqinsun opened on Oct 18, 2026

• 0.9.13 regression: a process that closes all its descriptors above 2 exits 1 on its next stat() ("ft_sem_lock failed: Bad file descriptor")

  wolfcw/libfaketime#561 · Filter by author CyberNativeAI opened on Oct 15, 2026

• Avoid using LD_PRELOAD

  stale
  wolfcw/libfaketime#560 · Filter by author HackingRepo opened on Sep 30, 2026
  2

• faketime wrapper ignores pipe/fork failure and can exit 0 without running the command

  wolfcw/libfaketime#551 · Filter by author anonymous756fsd opened on Aug 28, 2026

• save_time: non-EINTR write failure wraps size_t and hangs the process (FAKETIME_SAVE_FILE)

  wolfcw/libfaketime#550 · Filter by author anonymous756fsd opened on Aug 28, 2026

• prepare_config_contents mishandles comments and CR: .faketimerc with a # line exits or silently ignores the timestamp

  wolfcw/libfaketime#549 · Filter by author anonymous756fsd opened on Aug 28, 2026

• faketime + tokio time sleep = hang

  wolfcw/libfaketime#545 · Filter by author loynoir opened on Aug 12, 2026

• All Steam Proton games hang with faketime

  wolfcw/libfaketime#544 · Filter by author Arcitec opened on Jul 29, 2026
  6

• 0.9.13 (3aa2028) Compiled/transpiled files recomputed because of faked stat64

  stale
  wolfcw/libfaketime#534 · Filter by author Xavier-Do opened on Feb 19, 2026
  2

• Test snippets are not tested in CI

  stale
  wolfcw/libfaketime#523 · Filter by author rbalint opened on Nov 17, 2025
  1

• Hang during ld_preload

  stale
  wolfcw/libfaketime#521 · Filter by author BenWiederhake opened on Nov 8, 2025
  6

• Version 0.9.11 does not work on CentOS 7.9; the test fails.

  stale
  wolfcw/libfaketime#520 · Filter by author x1ntt opened on Nov 6, 2025
  3

• Some 3D applications isn't working

  stale
  wolfcw/libfaketime#518 · Filter by author telychko opened on Sep 27, 2025
  4

• Timestamp not recognized when libasan.so is preloaded

  stale
  wolfcw/libfaketime#513 · Filter by author cartier opened on Aug 19, 2025
  1

• libfaketime is returning correct time instead of returning time(incorrect one) configured. This behaviour was observed on raspberry pi(ARM architecture)

  stale
  wolfcw/libfaketime#505 · Filter by author shivaji506 opened on Jun 24, 2025
  1

• v0.9.11 breaks texlive on darwin

  stale
  wolfcw/libfaketime#499 · Filter by author nim65s opened on Jun 5, 2025
  3

• Filesystem time on stat from nftw not faked

  feature requesthelp wanted
  wolfcw/libfaketime#476 · Filter by author nakato opened on Sep 17, 2024
  4

• Faketime breaks UTC offsets?

  stale
  wolfcw/libfaketime#444 · Filter by author endlisnis opened on Dec 3, 2023
  8

• symbol lookup error on debian 12.1 (@armv7l)

  stale
  wolfcw/libfaketime#437 · Filter by author florianHarmuth opened on Oct 12, 2023
  7