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system: enhance check for re-exec into rootless userns #20769

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merged 1 commit into from
Nov 27, 2023

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Previously, the setup only checked for the CAP_SYS_ADMIN capability, which could be not enough with containerized Podman where CAP_SYS_ADMIN might be set for an unprivileged user.

Closes: #20766

[NO NEW TESTS NEEDED] needs containerized Podman

Does this PR introduce a user-facing change?

Fix crash when running in a containerized environment with euid != 0 and capabilities set

Previously, the setup only checked for the CAP_SYS_ADMIN capability,
which could be not enough with containerized Podman where
CAP_SYS_ADMIN might be set for an unprivileged user.

Closes: containers#20766

[NO NEW TESTS NEEDED] needs containerized Podman

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
@openshift-ci openshift-ci bot added release-note approved Indicates a PR has been approved by an approver from all required OWNERS files. labels Nov 24, 2023
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rhatdan commented Nov 25, 2023

LGTM

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/lgtm

@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label Nov 27, 2023
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openshift-ci bot commented Nov 27, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: giuseppe, Luap99

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@openshift-merge-bot openshift-merge-bot bot merged commit 208ad3b into containers:main Nov 27, 2023
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@giuseppe
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/cherry-pick v4.9

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@giuseppe: new pull request created: #21433

In response to this:

/cherry-pick v4.9

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Successfully merging this pull request may close these issues.

Second invocation of privileged rootless podman under OpenShift SIGSEGVs
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