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Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_TCG/1370.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_TCG/1370.toml | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_TCG/1370.toml b/gitlab/issues/target_i386/host_missing/accel_TCG/1370.toml new file mode 100644 index 000000000..59a7d8902 --- /dev/null +++ b/gitlab/issues/target_i386/host_missing/accel_TCG/1370.toml @@ -0,0 +1,21 @@ +id = 1370 +title = "x86 BLSI and BLSR semantic bug" +state = "closed" +created_at = "2022-12-16T06:35:03.247Z" +closed_at = "2023-02-16T13:09:22.665Z" +labels = ["Closed::Fixed", "accel: TCG", "target: i386"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1370" +host-os = "Windows 10 20H2" +host-arch = "x86" +qemu-version = "7.1.90 (v7.2.0-rc0)" +guest-os = "None" +guest-arch = "x86" +description = """The result of instruction BLSI and BLSR is different from the CPU. The value of CF is different.""" +reproduce = """1. Compile this code +``` +void main() { + asm("blsi rax, rbx"); +} +``` +2. Execute and compare the result with the CPU. The value of `CF` is exactly the opposite. This problem happens with BLSR, too.""" +additional = """This bug is discovered by research conducted by KAIST SoftSec.""" |