Backport IonParser.getDecimalValue() fix from master

cowtowncoder · cowtowncoder · commit 3ea7cdab583c · 2024-01-01T15:28:29.000-08:00
diff --git a/ion/src/main/java/com/fasterxml/jackson/dataformat/ion/IonParser.java b/ion/src/main/java/com/fasterxml/jackson/dataformat/ion/IonParser.java
@@ -331,7 +331,8 @@ public BigInteger getBigIntegerValue() throws IOException {
         _verifyIsNumberToken();
         try {
             return _reader.bigIntegerValue();
-        } catch (IonException e) {
+        } catch (IonException | ArrayIndexOutOfBoundsException e) {
+            // 01-Jan-2024, tatu: OSS-Fuzz#65062 points to AIOOBE ^^^
             return _reportCorruptNumber(e);
         }
     }
@@ -342,7 +343,8 @@ public BigDecimal getDecimalValue() throws IOException {
         _verifyIsNumberToken();
         try {
             return _reader.bigDecimalValue();
-        } catch (IonException e) {
+        } catch (IonException | ArrayIndexOutOfBoundsException e) {
+            // 01-Jan-2024, tatu: OSS-Fuzz#65062 points to AIOOBE ^^^
             return _reportCorruptNumber(e);
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -331,7 +331,8 @@ public BigInteger getBigIntegerValue() throws IOException {`
`331`	`331`	`_verifyIsNumberToken();`
`332`	`332`	`try {`
`333`	`333`	`return _reader.bigIntegerValue();`
`334`		`- } catch (IonException e) {`
	`334`	`+ } catch (IonException \| ArrayIndexOutOfBoundsException e) {`
	`335`	`+ // 01-Jan-2024, tatu: OSS-Fuzz#65062 points to AIOOBE ^^^`
`335`	`336`	`return _reportCorruptNumber(e);`
`336`	`337`	`}`
`337`	`338`	`}`
`@@ -342,7 +343,8 @@ public BigDecimal getDecimalValue() throws IOException {`
`342`	`343`	`_verifyIsNumberToken();`
`343`	`344`	`try {`
`344`	`345`	`return _reader.bigDecimalValue();`
`345`		`- } catch (IonException e) {`
	`346`	`+ } catch (IonException \| ArrayIndexOutOfBoundsException e) {`
	`347`	`+ // 01-Jan-2024, tatu: OSS-Fuzz#65062 points to AIOOBE ^^^`
`346`	`348`	`return _reportCorruptNumber(e);`
`347`	`349`	`}`
`348`	`350`	`}`