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--- a/tag.c
+++ b/tag.c
@@ -714,9 +714,12 @@
frame = id3_tag_findframe(tag, ID3_FRAME_TRACK, 0);
if (frame) {
- unsigned int track;
+ id3_ucs4_t const *string;
+ unsigned int track = 0;
- track = id3_ucs4_getnumber(id3_field_getstrings(&frame->fields[1], 0));
+ string = id3_field_getstrings(&frame->fields[1], 0);
+ if (string)
+ track = id3_ucs4_getnumber(string);
if (track > 0 && track <= 0xff) {
ptr[-2] = 0;
ptr[-1] = track;
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