[Backport 2.33-maintenance] libutil: Add overflow check to alignUp#15152

internal-nix-ci[bot] merged 1 commit into2.33-maintenanceNixOS/nix:2.33-maintenancefrom

backport-15149-to-2.33-maintenanceNixOS/nix:backport-15149-to-2.33-maintenanceCopy head branch name to clipboard