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8283190: Improve MIDI processing

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Reviewed-by: prr, rhalade, psadhukhan, mschoene
This commit is contained in:
Alexander Zuev 2022-03-29 19:42:16 +00:00 committed by Henry Jen
parent 78c514d085
commit 879ea78037
1 changed files with 7 additions and 2 deletions
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9
src/java.desktop/share/classes/com/sun/media/sound/StandardMidiFileReader.java
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@ -367,6 +367,11 @@ final class SMFParser {
case 0xF7:
// sys ex
int sysexLength = (int) readVarInt();
if (sysexLength < 0 || sysexLength > trackLength - pos) {
throw new InvalidMidiDataException("Message length is out of bounds: "
+ sysexLength);
}
byte[] sysexData = new byte[sysexLength];
read(sysexData);
@ -379,8 +384,8 @@ final class SMFParser {
// meta
int metaType = readUnsigned();
int metaLength = (int) readVarInt();
if (metaLength < 0) {
throw new InvalidMidiDataException("length out of bounds: "
if (metaLength < 0 || metaLength > trackLength - pos) {
throw new InvalidMidiDataException("Message length is out of bounds: "
+ metaLength);
}
final byte[] metaData;