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Add seccheck field to indicate if executed binary is on overlayfs upper layer.#13617

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Add seccheck field to indicate if executed binary is on overlayfs upper layer.#13617
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Add seccheck field to indicate if executed binary is on overlayfs upper layer.

This change introduces a new field binary_overlayfs_upper to the
ExecveBinaryInfo seccheck point. This field is set to true if the executable
being run is located on the upper layer of an overlay filesystem. A new helper
function overlay.IsCopiedUp is added to check this condition.

@copybara-service copybara-service Bot added the exported Issue was exported automatically label Jul 6, 2026
…er layer.

This change introduces a new field `binary_overlayfs_upper` to the
`ExecveBinaryInfo` seccheck point. This field is set to true if the executable
being run is located on the upper layer of an overlay filesystem. A new helper
function `overlay.IsCopiedUp` is added to check this condition.

PiperOrigin-RevId: 913758999
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