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-rw-r--r--application/basilisk/components/sessionstore/SessionStorage.jsm9
1 files changed, 8 insertions, 1 deletions
diff --git a/application/basilisk/components/sessionstore/SessionStorage.jsm b/application/basilisk/components/sessionstore/SessionStorage.jsm
index 705139ebf..7499f95e9 100644
--- a/application/basilisk/components/sessionstore/SessionStorage.jsm
+++ b/application/basilisk/components/sessionstore/SessionStorage.jsm
@@ -74,7 +74,14 @@ var SessionStorageInternal = {
// Get the origin of the current history entry
// and use that as a key for the per-principal storage data.
- let origin = principal.origin;
+ let origin;
+ try {
+ // The origin getter may throw for about:blank iframes as of bug 1340710,
+ // but we should ignore them anyway. The same goes for custom protocols.
+ origin = principal.origin;
+ } catch (e) {
+ return;
+ }
if (visitedOrigins.has(origin)) {
// Don't read a host twice.
return;