Crash with static nix if HOME is owned by a different user

[iwanb]

Crash with static nix if HOME is owned by a different user

[Qyriad]

Linking nix against libutil with -Wl,--whole-archive when building statically seems to fix/workaround the issue

[fricklerhandwerk]

Triaged in Nix maintainers meeting:

• @roberth @RaitoBezarius may be something about the static initialiser

[nixos-discourse]

This issue has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/2024-05-29-nix-team-meeting-minutes-148/46195/1

[Qyriad]

Lix has the same bug — seems to be the nix::logger global that's nullptr:

Starting program: /home/qyriad/code/lix/build/src/nix/nix --version

Program received signal SIGSEGV, Segmentation fault.
0x0000000000a58aab in nix::warn<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > (fs=...) at src/libutil/logging.hh:231
231     inline void warn(const std::string & fs, const Args & ... args)
(gdb) p nix::logger
$1 = (nix::Logger *) 0x0