fix(0.78, UBSAN): ensure [RCTUITextField validAttributesForMarkedText] is nonnull (#2522)

Saadnajmi · web-flow · commit 03b0a034ea64 · 2025-07-01T10:40:34.000-07:00
Backport of #2515 to 0.78-stable
diff --git a/packages/react-native/Libraries/Text/TextInput/Singleline/RCTUITextField.mm b/packages/react-native/Libraries/Text/TextInput/Singleline/RCTUITextField.mm
@@ -161,7 +161,7 @@ - (BOOL)hasMarkedText
 
 - (NSArray<NSAttributedStringKey> *)validAttributesForMarkedText
 {
-	return ((NSTextView *)self.currentEditor).validAttributesForMarkedText;
+	return ((NSTextView *)self.currentEditor).validAttributesForMarkedText ?: @[];
 }
 
 #endif // macOS]

Original file line number	Diff line number	Diff line change
`@@ -161,7 +161,7 @@ - (BOOL)hasMarkedText`
`161`	`161`
`162`	`162`	`- (NSArray<NSAttributedStringKey> *)validAttributesForMarkedText`
`163`	`163`	`{`
`164`		`- return ((NSTextView *)self.currentEditor).validAttributesForMarkedText;`
	`164`	`+ return ((NSTextView *)self.currentEditor).validAttributesForMarkedText ?: @[];`
`165`	`165`	`}`
`166`	`166`
`167`	`167`	`#endif // macOS]`