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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"