diff --git a/facto/inputgen/argtuple/gen.py b/facto/inputgen/argtuple/gen.py
index 811bb03..ac180cf 100644
--- a/facto/inputgen/argtuple/gen.py
+++ b/facto/inputgen/argtuple/gen.py
@@ -83,3 +83,51 @@ def gen(
         engine = MetaArgTupleEngine(self._modified_spec, out=out)
         for meta_tuple in engine.gen(valid=valid):
             yield self.gen_tuple(meta_tuple, out=out)
+
+    def gen_errors(
+        self, op, *, valid: bool = True, out: bool = False
+    ) -> Generator[
+        Tuple[List[Any], OrderedDict[str, Any], OrderedDict[str, Any]], Any, Any
+    ]:
+        """
+        Generate input tuples and yield only those that don't behave as expected.
+
+        This function takes the same signature as gen() but with an additional
+        op parameter. It filters inputs based on whether they behave as expected:
+        - When valid=True: yields inputs that should be valid but DO error
+        - When valid=False: yields inputs that should be invalid but DON'T error
+
+        Args:
+            op: The operation/function to test the inputs against
+            valid: Whether to generate valid or invalid inputs (same as gen())
+            out: Whether to include output arguments (same as gen())
+
+        Yields:
+            Tuples of (posargs, inkwargs, outargs) that don't behave as expected
+        """
+        for posargs, inkwargs, outargs in self.gen(valid=valid, out=out):
+            try:
+                # Try to execute the operation with the generated inputs
+                if out:
+                    # If there are output arguments, include them in the call
+                    op(*posargs, **inkwargs, **outargs)
+                else:
+                    # Otherwise, just call with positional and keyword arguments
+                    op(*posargs, **inkwargs)
+
+                # If execution succeeds:
+                if valid:
+                    # When valid=True, we expect success, so this is NOT a bug
+                    continue
+                else:
+                    # When valid=False, we expect failure, so success IS a bug
+                    yield posargs, inkwargs, outargs
+
+            except Exception:
+                # If execution fails:
+                if valid:
+                    # When valid=True, we expect success, so failure IS a bug
+                    yield posargs, inkwargs, outargs
+                else:
+                    # When valid=False, we expect failure, so this is NOT a bug
+                    continue
diff --git a/facto/utils.py b/facto/utils.py
new file mode 100644
index 0000000..e3bf146
--- /dev/null
+++ b/facto/utils.py
@@ -0,0 +1,48 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the license found in the
+# LICENSE file in the root directory of this source tree.
+
+import torch
+
+
+def get_op_overload(op_name: str):
+    """
+    Get the torch operation overload from an operation name.
+
+    Args:
+        op_name: Operation name in the format "op_base.overload" (e.g., "add.Tensor")
+
+    Returns:
+        The torch operation overload (e.g., torch.ops.aten.add.Tensor)
+
+    Raises:
+        AttributeError: If the operation is not found
+        ValueError: If the operation name format is invalid
+    """
+    if "." not in op_name:
+        raise ValueError(
+            f"Operation name '{op_name}' must contain a '.' to separate base and overload"
+        )
+
+    parts = op_name.split(".")
+    if len(parts) != 2:
+        raise ValueError(
+            f"Operation name '{op_name}' must be in format 'op_base.overload'"
+        )
+
+    op_base, overload = parts
+
+    # Get the operation from torch.ops.aten
+    if not hasattr(torch.ops.aten, op_base):
+        raise AttributeError(f"Operation base '{op_base}' not found in torch.ops.aten")
+
+    op_obj = getattr(torch.ops.aten, op_base)
+
+    if not hasattr(op_obj, overload):
+        raise AttributeError(
+            f"Overload '{overload}' not found for operation '{op_base}'"
+        )
+
+    return getattr(op_obj, overload)
diff --git a/test/specdb/test_specdb.py b/test/specdb/test_specdb.py
new file mode 100644
index 0000000..e697f5e
--- /dev/null
+++ b/test/specdb/test_specdb.py
@@ -0,0 +1,70 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the license found in the
+# LICENSE file in the root directory of this source tree.
+
+import unittest
+
+import torch
+from facto.inputgen.argtuple.gen import ArgumentTupleGenerator
+from facto.specdb.db import SpecDictDB
+from facto.utils import get_op_overload
+
+
+class TestSpecDBOperations(unittest.TestCase):
+    """Test class for validating all specs in SpecDB using gen_errors."""
+
+    def test_all_ops(self):
+        """
+        Test all ops in SpecDB.
+
+        This test iterates through all operations in SpecDB and calls
+        ArgumentTupleGenerator.gen_errors with valid=True, out=False
+        for each operation. Each operation is tested as a subtest.
+        """
+        # Get all operation names from SpecDB
+        op_names = list(SpecDictDB.keys())
+
+        skip_ops = [
+            "_native_batch_norm_legit_no_training.default",
+            "addmm.default",
+            "arange.default",
+            "arange.start_step",
+            "constant_pad_nd.default",
+            "reflection_pad1d.default",
+            "reflection_pad2d.default",
+            "reflection_pad3d.default",
+            "replication_pad1d.default",
+            "replication_pad2d.default",
+            "replication_pad3d.default",
+            "split_with_sizes_copy.default",
+        ]
+
+        for op_name in op_names:
+            if op_name in skip_ops:
+                continue
+            with self.subTest(op=op_name):
+                try:
+                    # Get the spec and operation
+                    spec = SpecDictDB[op_name]
+                    op = get_op_overload(op_name)
+                    generator = ArgumentTupleGenerator(spec)
+                except Exception as e:
+                    # If we can't resolve the operation or there's another issue,
+                    # fail this subtest with a descriptive message
+                    self.fail(f"Failed to test operation {op_name}: {e}")
+
+                try:
+                    errors = list(generator.gen_errors(op, valid=True, out=False))
+                except Exception as e:
+                    self.fail(f"Failed while testing operation {op_name}: {e}")
+
+                if len(errors) > 0:
+                    self.fail(
+                        f"Found {len(errors)} errors for {op_name} with valid=True, out=False"
+                    )
+
+
+if __name__ == "__main__":
+    unittest.main()