Commit e0952d6b authored by John Stebbins's avatar John Stebbins
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Fix crash when PTT is too short

The PTT that is allocated and read is smaller than what gets referenced.
The data is byte-swapped in place which results in writes to memory
locations outside the allocated region. Region 1 True Grit is an
example of this.
parent fbf6c750
......@@ -1184,6 +1184,10 @@ int ifoRead_VTS_PTT_SRPT(ifo_handle_t *ifofile) {
goto fail;
if(vts_ptt_srpt->nr_of_srpts > info_length / sizeof(*data)) {
fprintf(stderr, "libdvdread: PTT search table too small.\n");
goto fail;
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
/* assert(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1);
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