Add seccheck field to indicate if a file is on an overlayfs lower layer.#13724
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This change introduces a new field `binary_overlayfs_lower` in the `ExecveBinaryInfo` seccheck point. This field is set to true if the executed binary is found on one of the lower layers of an overlay filesystem. A helper function `overlay.IsOnLower` is added to determine this. The existing `binary_overlayfs_upper` field is also clarified to represent any file on the upper layer. PiperOrigin-RevId: 949711533
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Add seccheck field to indicate if a file is on an overlayfs lower layer.
This change introduces a new field
binary_overlayfs_lowerin theExecveBinaryInfoseccheck point. This field is set to true if the executedbinary is found on one of the lower layers of an overlay filesystem. A helper
function
overlay.IsOnLoweris added to determine this. The existingbinary_overlayfs_upperfield is also clarified to represent any file onthe upper layer.