diff options
Diffstat (limited to 'gitlab/issues/target_arm/host_missing/accel_missing/1950.toml')
| -rw-r--r-- | gitlab/issues/target_arm/host_missing/accel_missing/1950.toml | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gitlab/issues/target_arm/host_missing/accel_missing/1950.toml b/gitlab/issues/target_arm/host_missing/accel_missing/1950.toml new file mode 100644 index 00000000..2c840d3b --- /dev/null +++ b/gitlab/issues/target_arm/host_missing/accel_missing/1950.toml @@ -0,0 +1,21 @@ +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" |