Reproduction steps:
1. Create a new Project and open it
2. Open the Edit > Project Settings > Player Window
3. Under “Other Settings” set “Active Input Handling” to “Input System Package (New)”
4. Connect a Gamepad to your computer

Expected result: New Input System reads Gamepad’s controls
Actual result: Unity Editor crashes

Reproducible with: 2020.3.45f1, 2021.2.16f1
Not reproducible with: 2021.3.20f1, 2022.2.8f1, 2023.1.0b6, 2023.2.0a4
Fixed in: 2021.2.17f1

Reproducible on: Ubuntu 22.04.2
Not reproducible on: Windows 10

FIrst lines of stack trace:
0x007effc5842520 in __sigaction
0x007effc59b223c in __nss_database_lookup
0x0055d1de766860 in GetGameControllerMapping(void)
0x0055d1de760062 in SDLGamepadDeviceDescriptor::SDLGamepadDeviceDescriptor(int)
0x0055d1de75e0a4 in ReportNewSDLController(void)

Note:
- From tested gamepads, only Xbox 360 controllers cause Unity Editor to crash