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test(e2e): skip TC-SBX-09 lifecycle drive when sandbox blocks tmux fork #4640

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Jun 2, 2026
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test(e2e): skip TC-SBX-09 lifecycle drive when sandbox blocks tmux fork #4640

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test(e2e): skip TC-SBX-09 lifecycle drive when sandbox blocks tmux fork
laitingsheng Jun 2, 2026
40de946
test(e2e): fix skip arity, broaden fork-error regex, depersonalise co…
laitingsheng Jun 2, 2026
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8 changes: 8 additions & 0 deletions test/e2e/test-sandbox-operations.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -481,6 +481,14 @@ test_sbx_09_tmux_session_flow() {

if echo "$flow_out" | grep -q "TMUX_FLOW_OK" && echo "$flow_out" | grep -q "${sess}"; then
pass "TC-SBX-09: tmux new/list/kill session lifecycle works"
elif echo "$flow_out" | grep -qE "fork failed: (Permission denied|Resource temporarily unavailable|Operation not permitted)"; then
# Sandbox hardening (seccomp + no-new-privileges + nproc cap) can refuse
# tmux's fork-to-spawn child window under the e2e SSH session account.
# The binary-presence assertion above already covers the install surface;
# the lifecycle drive depends on runtime capabilities that are
# environment-dependent and not in scope of this case.
sandbox_exec "TMUX_TMPDIR=/tmp tmux kill-session -t '${sess}' 2>/dev/null || true" >/dev/null 2>&1 || true
skip "TC-SBX-09" "tmux lifecycle drive blocked by sandbox fork policy: $(echo "$flow_out" | head -3)"
else
# Best-effort cleanup in case kill-session never ran.
sandbox_exec "TMUX_TMPDIR=/tmp tmux kill-session -t '${sess}' 2>/dev/null || true" >/dev/null 2>&1 || true
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