Fix segfault in readNullableNativeHandleNoDup.

Fixes: 141857065
Test: no longer segfaults w/ fuzzer repro
Change-Id: Ib7016cc3def89e7a13c00580949f52c5d9cc4f72

1 files changed, 6 insertions, 0 deletions

diff --git a/Parcel.cpp b/Parcel.cpp
index cfebeec..5aa8c77 100644
--- a/Parcel.cpp
+++ b/Parcel.cpp
@@ -1457,6 +1457,12 @@ status_t Parcel::readNullableNativeHandleNoDup(const native_handle_t **handle,
         return status;
     }
 
+    if (*handle == nullptr) {
+        // null handle already read above
+        ALOGE("Expecting non-null handle buffer");
+        return BAD_VALUE;
+    }
+
     int numFds = (*handle)->numFds;
     int numInts = (*handle)->numInts;