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Prevent systemd-binfmt from running in containers #473

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Prevent systemd-binfmt from running in containers #473

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11 changes: 11 additions & 0 deletions stemcell_builder/stages/bosh_systemd/apply.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,3 +12,14 @@ source $base_dir/lib/prelude_bosh.bash
run_in_chroot $chroot "
echo 'RemoveIPC=no' >> /etc/systemd/logind.conf
"

# Prevent systemd-binfmt from running in containers.
# When running in a privileged container (e.g., Docker CPI on Apple Silicon),
# this service clears the host's binfmt_misc registrations (including Rosetta),
# causing "exec format error" for all subsequent x86_64 processes.
mkdir -p $chroot/etc/systemd/system/systemd-binfmt.service.d

cat > $chroot/etc/systemd/system/systemd-binfmt.service.d/skip-in-container.conf <<EOF
[Unit]
ConditionVirtualization=!container
EOF
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