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[release-1.39] chroot createPlatformContainer: use MS_REMOUNT #6003

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nalind
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@nalind nalind commented Feb 24, 2025

What type of PR is this?

/kind bug

What this PR does / why we need it:

When setting mount propagation on the root mount before unmounting it, use MS_REBIND, since we know it's already a bind mount, and we actually want to affect the extant bind mount instead of creating another right over it. Otherwise, we might as well have not bothered.

Cherry-picked from #5992.

How to verify it

New integration test!

Which issue(s) this PR fixes:

#6001/RHEL-80446 and #5874 (comment).

Special notes for your reviewer:

Does this PR introduce a user-facing change?

None

@openshift-ci openshift-ci bot added kind/bug Categorizes issue or PR as related to a bug. approved labels Feb 24, 2025
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LGTM
/lgtm
/approve
/hold wait for CI

When setting mount propagation on the root mount before unmounting it,
use MS_REBIND, since we know it's already a bind mount, and we actually
want to affect the extant bind mount instead of creating another right
over it. Otherwise, we might as well have not bothered.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
@nalind nalind force-pushed the remount-pivot-1.39 branch from 9c5bc2d to 4c0c3f0 Compare February 24, 2025 18:12
@openshift-ci openshift-ci bot removed the lgtm label Feb 24, 2025
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/lgtm
/approve
/hold cancel

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openshift-ci bot commented Feb 25, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: flouthoc, nalind

The full list of commands accepted by this bot can be found here.

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@openshift-merge-bot openshift-merge-bot bot merged commit ba57a9f into containers:release-1.39 Feb 25, 2025
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@nalind nalind deleted the remount-pivot-1.39 branch February 25, 2025 14:58
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3 participants