Segmentation fault when opening through git

[sclu1034]

Non-reproducible crash that occurred when running git commit, with Kakoune set as default editor.

# kak -version
Kakoune v2020.09.01-276-gdf7b33bc

Outcome/Stacktrace

Received SIGSEGV, exiting.
Pid: 2940553
Callstack:
/usr/bin/kak(Kakoune::Backtrace::Backtrace()+0x18) [0x560cf3132e58]
/usr/bin/kak(Kakoune::signal_handler(int)+0x6f) [0x560cf32209cf]
/usr/lib/libc.so.6(+0x3cf80) [0x7f44d2bdaf80]
/usr/bin/kak(Kakoune::String::resize(Kakoune::ByteCount, char)+0xa3) [0x560cf32e70a3]
/usr/bin/kak(Kakoune::CommandManager::execute(Kakoune::StringView, Kakoune::Context&, Kakoune::ShellContext const&)+0x103d) [0x560cf315578d]
/usr/bin/kak(+0xd7ceb) [0x560cf3166ceb]
/usr/bin/kak(Kakoune::CommandManager::execute_single_command(Kakoune::ArrayView<Kakoune::String const>, Kakoune::Context&, Kakoune::ShellContext const&, Kakoune::BufferCoord)+0x336) [0x560cf31545c6]
/usr/bin/kak(Kakoune::CommandManager::execute(Kakoune::StringView, Kakoune::Context&, Kakoune::ShellContext const&)+0xbbc) [0x560cf315530c]
/usr/bin/kak(Kakoune::HookManager::run_hook(Kakoune::Hook, Kakoune::StringView, Kakoune::Context&)+0x1519) [0x560cf31e3529]
/usr/bin/kak(Kakoune::HookManager::run_hook(Kakoune::Hook, Kakoune::StringView, Kakoune::Context&)+0x2c2) [0x560cf31e22d2]
/usr/bin/kak(Kakoune::Buffer::run_hook_in_own_context(Kakoune::Hook, Kakoune::StringView, Kakoune::String)+0x1da) [0x560cf3134baa]
/usr/bin/kak(Kakoune::Buffer::on_registered()+0x98) [0x560cf313a668]
/usr/bin/kak(Kakoune::BufferManager::create_buffer(Kakoune::String, Kakoune::Buffer::Flags, Kakoune::StringView, timespec)+0x265) [0x560cf3140895]
/usr/bin/kak(Kakoune::open_or_create_file_buffer(Kakoune::StringView, Kakoune::Buffer::Flags)+0x109) [0x560cf3142ed9]
/usr/bin/kak(Kakoune::run_server(Kakoune::StringView, Kakoune::StringView, Kakoune::StringView, Kakoune::Optional<Kakoune::BufferCoord>, Kakoune::ServerFlags, Kakoune::UIType, Kakoune::DebugFlags, Kakoune::ArrayView<Kakoune::StringView const>)+0x55b) [0x560cf32332db]
/usr/bin/kak(main+0x1d37) [0x560cf31306c7]
Warning: Missing charsets in String to FontSet conversion