QEMU in user-mode emulation mode crashes when the user program jumps to an invalid address Running this code: void (*func)() = 0x12345678; int main() { func(); return 0; } Produces the following output: qemu-arm-static: /build/qemu-DqynNa/qemu-2.8+dfsg/translate-all.c:175: tb_lock: Assertion `!have_tb_lock' failed. qemu-arm-static: /build/qemu-DqynNa/qemu-2.8+dfsg/translate-all.c:175: tb_lock: Assertion `!have_tb_lock' failed. Segmentation fault The expected result is as follows: qemu: uncaught target signal 11 (Segmentation fault) - core dumped Segmentation fault