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-id = 1950
-title = "[AARCH64] GP bit (BTI) lost during two stages translation"
-state = "closed"
-created_at = "2023-10-18T15:41:11.662Z"
-closed_at = "2023-11-03T03:23:37.162Z"
-labels = ["target: arm", "workflow::Patch available"]
-url = "https://gitlab.com/qemu-project/qemu/-/issues/1950"
-host-os = "Ubuntu 20.04.6 LTS"
-host-arch = "* QEMU flavor: qemu-system-aarch64"
-qemu-version = "ec6f9f135d5e5596ab0258da2ddd048f1fd8c359"
-guest-os = "Kinibi (SEL1)"
-guest-arch = "AARCH64"
-description = """I noticed that the BTI faults were not reported.
-That's because the GP (guarded page) information is lost during the two stages translation in get_phys_addr_twostage().
-The "guarded" information is correctly retrieved by the first call to get_phys_addr_nogpc() but overwritten by the the second call to get_phys_addr_nogpc().
-The call to combine_cacheattrs() copies cacheattrs1.guarded but this field is never modified.
-
-The attached patch fixes the issue for me.
-[get_phys_addr_twostage_bti_gp_bit_lost_master.patch](/uploads/2fbe8090f92c43a63e39ee66ab2daf47/get_phys_addr_twostage_bti_gp_bit_lost_master.patch)"""
-reproduce = "n/a"
-additional = "n/a"