aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--engines/sci/engine/gc.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/engines/sci/engine/gc.cpp b/engines/sci/engine/gc.cpp
index 9c580dd8dc..b40677d4ed 100644
--- a/engines/sci/engine/gc.cpp
+++ b/engines/sci/engine/gc.cpp
@@ -87,7 +87,13 @@ static void processWorkList(SegManager *segMan, WorklistManager &wm, const Commo
wm._worklist.pop_back();
if (reg.segment != stackSegment) { // No need to repeat this one
debugC(kDebugLevelGC, "[GC] Checking %04x:%04x", PRINT_REG(reg));
- // We only check for valid offsets here. Fixes bugs #3299458 and #3295849.
+ // WORKAROUND: We only check for valid offsets here. Fixes bugs
+ // #3299458 and #3295849.
+ // FIXME: Where are these invalid offsets coming from? The check
+ // below avoids a crash when examining invalid references, but the
+ // root of the problem lies elsewhere. These shouldn't be in the
+ // stack at all (unless these really are script bugs, in which case
+ // we should just keep the sanity check).
if (reg.segment < heap.size() && heap[reg.segment] && heap[reg.segment]->isValidOffset(reg.offset)) {
// Valid heap object? Find its outgoing references!
wm.pushArray(heap[reg.segment]->listAllOutgoingReferences(reg));