The issue arises when running `ldd` within a Docker container that's using QEMU user emulation to run an ARM64 binary on an AMD64 host. The error message indicates that `ldd` exits with code 139, which typically signifies a segmentation fault. This suggests that there's an issue with how the binary is being executed or how the dynamic linker is handling it, pointing towards a problem in the QEMU runtime environment rather than a specific instruction or syscall.

Answer: runtime