LibAudio: Handle bitstream errors in MP3 Huffman decode

Author: https://github.com/kleinesfilmroellchen
Commit: 53785a9206
Pull-request: https://github.com/SerenityOS/serenity/pull/19688
Reviewed-by: https://github.com/gmta ✅

Userland/Libraries/LibAudio/MP3HuffmanTables.h

@@ -112,9 +112,12 @@ HuffmanDecodeResult<T> huffman_decode(BigEndianInputBitStream& bitstream, Readon
     size_t bits_read = 0;
 
     while (!node->is_leaf() && max_bits_to_read-- > 0) {
-        bool const direction = bitstream.read_bit().release_value_but_fixme_should_propagate_errors();
+        auto const maybe_direction = bitstream.read_bit();
+        if (maybe_direction.is_error())
+            return { bits_read, {} };
+
         ++bits_read;
-        if (direction) {
+        if (maybe_direction.value()) {
             if (node->left == -1)
                 return {};
             node = &tree[node->left];