The bug report involves an assertion failure related to memory mapping during a system call (`mincore`). Specifically, it occurs when `mincore()` is called with an invalid pointer. The error originates from QEMU's handling of memory access checks in its TCG accelerator.

**Category:** **syscall**

This classification is based on the fact that the issue arises during the processing of a system call (`mincore`) and involves checking the validity of memory addresses, which falls under runtime system call handling.