diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_TCG/1065.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_TCG/1065.toml | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_TCG/1065.toml b/gitlab/issues/target_missing/host_missing/accel_TCG/1065.toml new file mode 100644 index 00000000..8b996374 --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_TCG/1065.toml @@ -0,0 +1,17 @@ +id = 1065 +title = "cputlb: uninitialized local variable in tlb_set_page_with_attrs cause SIGSEGV when a CPU access an unmapped IOMMU page" +state = "closed" +created_at = "2022-06-06T10:59:39.807Z" +closed_at = "2022-06-21T23:33:14.892Z" +labels = ["Closed::Fixed", "accel: TCG"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1065" +host-os = "Any" +host-arch = "Any" +qemu-version = "n/a" +guest-os = "n/a" +guest-arch = "TCG-based" +description = """When a TCG cpu accesses an unmapped page within an IOMMU region that causes a translation fault, QEMU SIGSEGVs in `io_readx`. +The reason was that in `address_space_translate_for_iotlb`, `xlat` is not set on a permission fault. +As a result, `xlat` in `tlb_set_page_with_attr` is uninitialized. This in turn causes various mis-calculation and eventually crashes in `io_readx`.""" +reproduce = "n/a" +additional = "n/a" |