disable msr tests (#3338)

tests/library/qemu_system/tests/test_commands_kernel.py

@@ -156,28 +156,29 @@ def get_slab_object_address():
     raise ValueError("Could not find any slab objects")
 
 
-@pytest.mark.skipif(
+## NOTE: `msr` command is broken sometimes. It break CI alot of times. There is deadlock in our `exec_shellcode` func.
-    pwndbg.aglib.arch.name not in ["i386", "x86-64"],
+# @pytest.mark.skipif(
-    reason="Unsupported architecture: msr tests only work on x86 and x86-64",
+#     pwndbg.aglib.arch.name not in ["i386", "x86-64"],
-)
+#     reason="Unsupported architecture: msr tests only work on x86 and x86-64",
-def test_command_msr_read():
+# )
-    msr_lstar_literal = int(gdb.execute("msr MSR_LSTAR", to_string=True).split(":\t")[1], 16)
+# def test_command_msr_read():
-    msr_lstar = int(gdb.execute("msr 0xc0000082", to_string=True).split(":\t")[1], 16)
+#     msr_lstar_literal = int(gdb.execute("msr MSR_LSTAR", to_string=True).split(":\t")[1], 16)
-    assert msr_lstar == msr_lstar_literal
+#     msr_lstar = int(gdb.execute("msr 0xc0000082", to_string=True).split(":\t")[1], 16)
-
+#     assert msr_lstar == msr_lstar_literal
-
+#
-@pytest.mark.skipif(
+#
-    pwndbg.aglib.arch.name not in ["i386", "x86-64"],
+# @pytest.mark.skipif(
-    reason="Unsupported architecture: msr tests only work on x86 and x86-64",
+#     pwndbg.aglib.arch.name not in ["i386", "x86-64"],
-)
+#     reason="Unsupported architecture: msr tests only work on x86 and x86-64",
-def test_command_msr_write():
+# )
-    prev_msr_lstar = int(gdb.execute("msr MSR_LSTAR", to_string=True).split(":\t")[1], 16)
+# def test_command_msr_write():
-
+#     prev_msr_lstar = int(gdb.execute("msr MSR_LSTAR", to_string=True).split(":\t")[1], 16)
-    new_val = 0x4141414142424242
+#
-    gdb.execute(f"msr MSR_LSTAR -w {new_val}")
+#     new_val = 0x4141414142424242
-    new_msr_lstar = int(gdb.execute("msr 0xc0000082", to_string=True).split(":\t")[1], 16)
+#     gdb.execute(f"msr MSR_LSTAR -w {new_val}")
-    assert new_msr_lstar == new_val
+#     new_msr_lstar = int(gdb.execute("msr 0xc0000082", to_string=True).split(":\t")[1], 16)
-    gdb.execute(f"msr MSR_LSTAR -w {prev_msr_lstar}")
+#     assert new_msr_lstar == new_val
+#     gdb.execute(f"msr MSR_LSTAR -w {prev_msr_lstar}")
 
 
 @pytest.mark.skipif(