Author: rathann
Date: Fri Oct 4 00:21:29 2013
New Revision: 1261
Log:
This is a heuristic to prevent segfaults when
ifo->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc is invalid
but non-NULL.
Patch by Fabian Keil #fk$fabiankeil%de^
Modified:
trunk/libdvdnav/src/searching.c
Modified: trunk/libdvdnav/src/searching.c
==============================================================================
--- trunk/libdvdnav/src/searching.c Fri Oct 4 00:19:25 2013 (r1260)
+++ trunk/libdvdnav/src/searching.c Fri Oct 4 00:21:29 2013 (r1261)
@@ -616,6 +616,10 @@ uint32_t dvdnav_describe_title_chapters(
length = 0;
for(i=0; i<parts; i++) {
uint32_t cellnr, endcellnr;
+ if (ifo->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc_start_byte >=
ifo->vts_pgcit->last_byte) {
+ printerr("PGC start out of bounds");
+ continue;
+ }
pgc = ifo->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc;
if (pgc == NULL) {
printerr("PGC missing.");
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