nixos-option coredump with std::bad_alloc

[nixinator]

nixos-option coredumps with std:bad_alloc when accessing attribute sets.

To Reproduce
Steps to reproduce the behavior:

1. nixos-option system.defaultChannel.value

This attribute set contains:
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Aborted (core dumped)

Expected behavior
A clear and concise description of what you expected to happen.

not to core dump :-)

Metadata
Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

• system: "x86_64-linux"
• host os: Linux 5.4.66, NixOS, 20.03.3011.13a15f262a2 (Markhor)
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.3.6
• channels(root): "nixos-20.03.3011.13a15f262a2"
• nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos

tried with upping memory to 32G. No change.

[doronbehar]

It's more sever then that - it segfaults even when you run nixos-option --help if you are only curios - very not user friendly :)

cc @chkno

[stale]

I marked this as stale due to inactivity. → More info

[doronbehar]

Still an issue, segfaults for me with: nixos-option with no arguments.

[Aleksanaa]

Still coredump but may not be the same cause:

=> nixos-option 
terminate called after throwing an instance of 'nix::ThrownError'
  what():  error:
       … while evaluating the attribute 'options'

         at /nix/store/i6hq63805y784dml4j8pgkrz3lryxzld-source/nixos/default.nix:15:17:

           14| {
           15|   inherit (eval) pkgs config options;
             |                 ^
           16|

       … while evaluating the attribute 'options'

         at /nix/store/i6hq63805y784dml4j8pgkrz3lryxzld-source/lib/modules.nix:319:9:

          318|         _type = "configuration";
          319|         options = checked options;
             |         ^
          320|         config = checked (removeAttrs config [ "_module" ]);

       (stack trace truncated; use '--show-trace' to show the full trace)

       error: file 'nixos-config' was not found in the Nix search path (add it using $NIX_PATH or -I)

       at «none»:0: (source not available)
Aborted (core dumped)