Merge pull request #18787 from paldepind/rust-core-std-models

Rust: Add generated models for standard libraries including core

rust/ql/integration-tests/hello-project/summary.expected

@@ -14,7 +14,7 @@
 | Macro calls - resolved | 2 |
 | Macro calls - total | 2 |
 | Macro calls - unresolved | 0 |
-| Taint edges - number of edges | 10 |
+| Taint edges - number of edges | 1471 |
 | Taint reach - nodes tainted | 0 |
 | Taint reach - per million nodes | 0 |
 | Taint sinks - cryptographic operations | 0 |

rust/ql/integration-tests/hello-workspace/summary.cargo.expected

@@ -14,7 +14,7 @@
 | Macro calls - resolved | 2 |
 | Macro calls - total | 2 |
 | Macro calls - unresolved | 0 |
-| Taint edges - number of edges | 10 |
+| Taint edges - number of edges | 1471 |
 | Taint reach - nodes tainted | 0 |
 | Taint reach - per million nodes | 0 |
 | Taint sinks - cryptographic operations | 0 |

rust/ql/integration-tests/hello-workspace/summary.rust-project.expected

@@ -14,7 +14,7 @@
 | Macro calls - resolved | 2 |
 | Macro calls - total | 2 |
 | Macro calls - unresolved | 0 |
-| Taint edges - number of edges | 10 |
+| Taint edges - number of edges | 1471 |
 | Taint reach - nodes tainted | 0 |
 | Taint reach - per million nodes | 0 |
 | Taint sinks - cryptographic operations | 0 |

rust/ql/lib/codeql/rust/dataflow/internal/DataFlowConsistency.qll

@@ -11,6 +11,8 @@ private module Input implements InputSig<Location, RustDataFlow> {
     not exists(n.asExpr().getLocation())
   }
 
+  predicate postWithInFlowExclude(RustDataFlow::Node n) { n instanceof Node::FlowSummaryNode }
+
   predicate missingLocationExclude(RustDataFlow::Node n) { not exists(n.asExpr().getLocation()) }
 }
 

rust/ql/lib/codeql/rust/frameworks/stdlib/Clone.qll

@@ -15,7 +15,12 @@ final class CloneCallable extends SummarizedCallable::Range {
     )
   }
 
-  final override predicate propagatesFlow(string input, string output, boolean preservesValue) {
-    input = "Argument[self]" and output = "ReturnValue" and preservesValue = true
+  final override predicate propagatesFlow(
+    string input, string output, boolean preservesValue, string model
+  ) {
+    input = "Argument[self]" and
+    output = "ReturnValue" and
+    preservesValue = true and
+    model = "generated"
   }
 }

rust/ql/lib/codeql/rust/frameworks/stdlib/lang-core.model.yml

@@ -5,8 +5,6 @@ extensions:
     data:
       # Fmt
       - ["lang:alloc", "crate::fmt::format", "Argument[0]", "ReturnValue", "taint", "manual"]
-      # Hint
-      - ["lang:core", "crate::hint::must_use", "Argument[0]", "ReturnValue", "value", "manual"]
       # Iterator
       - ["lang:core", "<[_]>::iter", "Argument[Self].Element", "ReturnValue.Element", "value", "manual"]
       - ["lang:core", "<[_]>::iter_mut", "Argument[Self].Element", "ReturnValue.Element", "value", "manual"]
@@ -21,20 +19,6 @@ extensions:
       - ["lang:core", "<crate::slice::iter::Iter as crate::iter::traits::iterator::Iterator>::collect", "Argument[self].Element", "ReturnValue.Element", "value", "manual"]
       - ["lang:core", "<crate::slice::iter::Iter as crate::iter::traits::iterator::Iterator>::map", "Argument[self].Element", "Argument[0].Parameter[0]", "value", "manual"]
       - ["lang:core", "<crate::slice::iter::Iter as crate::iter::traits::iterator::Iterator>::for_each", "Argument[self].Element", "Argument[0].Parameter[0]", "value", "manual"]
-      # Option
-      - ["lang:core", "<crate::option::Option>::expect", "Argument[self].Field[crate::option::Option::Some(0)]", "ReturnValue", "value", "manual"]
-      # Result
-      - ["lang:core", "<crate::result::Result>::unwrap", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_or", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_or", "Argument[0]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_or_default", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_or_else", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_or_else", "Argument[0].ReturnValue", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_unchecked", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_err", "Argument[self].Field[crate::result::Result::Err(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::unwrap_err_unchecked", "Argument[self].Field[crate::result::Result::Err(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::expect", "Argument[self].Field[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
-      - ["lang:core", "<crate::result::Result>::expect_err", "Argument[self].Field[crate::result::Result::Err(0)]", "ReturnValue", "value", "manual"]
       # Str
       - ["lang:core", "<str>::parse", "Argument[self]", "ReturnValue.Field[crate::result::Result::Ok(0)]", "taint", "manual"]
       # String