NUL-padded scripts bypassing lifecycle guard scan
Cluster 77927 · cron. Data as of
Nothing open on GitHub. Fix merged in #93411. Check it covers your case.
The short answer
- Known?
- Yes. 5 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #93411. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
unresolved. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A regression introduced a bypass where NUL-padded text scripts were incorrectly treated as binary and skipped by the lifecycle guard scan. Multiple fixes explore correcting the binary detection logic, such as checking magic bytes instead of bare NUL characters.
Open issues0
Open PRs0
Fixes on record
-
#93411 fix: dot-sourced and NUL-padded scripts no longer bypass the gateway lifecycle guard (#77925 #77927, salvage #77926 #77928)
files:
cron/lifecycle_guard.py,tests/hermes_cli/test_gateway_restart_loop.py
3 PRs closed without merging
From the close comments: duplicate 1 · merged via another change 1 · other 1
-
#77928 fix(cron): close NUL-padded script bypass in lifecycle guard (#77927) · merged via another change →
a9e4622,#93411 -
#78083 fix(cron): check binary magic bytes instead of bare NUL for lifecycle guard (#77927) · duplicate →
#77928 -
#82637 fix(lifecycle_guard): scan NUL-padded text scripts instead of treating NUL as binary signal (#77927) · other →
#93411,#77928,#77927
Closed issues · 1
- Closed#77927lifecycle_guard: NUL-padded text script bypasses the scan (regression from #76762 binary check)
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.40: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- cron
- Merged PRs
- #93411
- Closed issues
- 1
- Attempts
- 3 PRs closed without merging
- Fix link checked
- 24 Aug 2026