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-rw-r--r--netwerk/base/nsStandardURL.cpp4
-rw-r--r--netwerk/test/gtest/TestStandardURL.cpp16
2 files changed, 19 insertions, 1 deletions
diff --git a/netwerk/base/nsStandardURL.cpp b/netwerk/base/nsStandardURL.cpp
index e2a290e4d..dff4ecbc0 100644
--- a/netwerk/base/nsStandardURL.cpp
+++ b/netwerk/base/nsStandardURL.cpp
@@ -3455,8 +3455,10 @@ FromIPCSegment(const nsACString& aSpec, const ipc::StandardURLSegment& aSegment,
return false;
}
+ CheckedInt<uint32_t> segmentLen = aSegment.position();
+ segmentLen += aSegment.length();
// Make sure the segment does not extend beyond the spec.
- if (NS_WARN_IF(aSegment.position() + aSegment.length() > aSpec.Length())) {
+ if (NS_WARN_IF(!segmentLen.isValid() || segmentLen.value() > aSpec.Length())) {
return false;
}
diff --git a/netwerk/test/gtest/TestStandardURL.cpp b/netwerk/test/gtest/TestStandardURL.cpp
index ccab556a9..a013f351c 100644
--- a/netwerk/test/gtest/TestStandardURL.cpp
+++ b/netwerk/test/gtest/TestStandardURL.cpp
@@ -4,8 +4,11 @@
#include "nsCOMPtr.h"
#include "nsNetCID.h"
#include "nsIURL.h"
+#include "nsIStandardURL.h"
#include "nsString.h"
#include "nsComponentManagerUtils.h"
+#include "nsIIPCSerializableURI.h"
+#include "mozilla/ipc/URIUtils.h"
TEST(TestStandardURL, Simple) {
nsCOMPtr<nsIURL> url( do_CreateInstance(NS_STANDARDURL_CONTRACTID) );
@@ -67,3 +70,16 @@ MOZ_GTEST_BENCH(TestStandardURL, Perf, [] {
url->GetRef(out);
}
});
+
+TEST(TestStandardURL, Deserialize_Bug1392739)
+{
+ mozilla::ipc::StandardURLParams standard_params;
+ standard_params.urlType() = nsIStandardURL::URLTYPE_STANDARD;
+ standard_params.spec() = NS_LITERAL_CSTRING("");
+ standard_params.host() = mozilla::ipc::StandardURLSegment(4294967295, 1);
+
+ mozilla::ipc::URIParams params(standard_params);
+
+ nsCOMPtr<nsIIPCSerializableURI> url = do_CreateInstance(NS_STANDARDURL_CID);
+ ASSERT_EQ(url->Deserialize(params), false);
+}