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id = 1106
title = "undefined address access cause failure"
state = "closed"
created_at = "2022-07-14T03:27:43.858Z"
closed_at = "2022-07-14T09:10:17.361Z"
labels = ["workflow::Needs Info"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1106"
host-os = "n/a"
host-arch = "(ARM)"
qemu-version = "n/a"
guest-os = "n/a"
guest-arch = "(ARM)"
description = """Hi,
I used serial device as below:
qemu/hw/char/serial.c
It defines only support 8 registers address space(offset 0x00-0x32). And in guest os, the hardware is synopsys dw_apb_uart which is compatible with 16550.
when it access low 8 registers, it works ok. but it may access high address(0x8c) which serial.c not defined, then fail occur.
Is there anyway to handle this, access address which device not defined, expect it no handle, but not cause system crash. like read is zero and write ignore."""
reproduce = "n/a"
additional = "n/a"
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