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  1. JDK
  2. JDK-8332473

ubsan: growableArray.hpp:290:10: runtime error: null pointer passed as argument 1, which is declared to never be null

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    • b24
    • x86
    • linux

        On Linux x86_64 fastdebug with ubsan enabled we run into this error

        /jdk/src/hotspot/share/utilities/growableArray.hpp:290:10: runtime error: null pointer passed as argument 1, which is declared to never be null
            #0 0x150d701bb4b1 in GrowableArrayView<nmethod*>::sort(int (*)(nmethod**, nmethod**)) /jdk/src/hotspot/share/utilities/growableArray.hpp:290
            #1 0x150d701bb4b1 in ClassUnloadingContext::free_nmethods() /jdk/src/hotspot/share/gc/shared/classUnloadingContext.cpp:159
            #2 0x150d71f5cca3 in G1CollectedHeap::unload_classes_and_code(char const*, BoolObjectClosure*, GCTimer*) /jdk/src/hotspot/share/gc/g1/g1CollectedHeap.cpp:2538
            #3 0x150d71ffb009 in G1FullCollector::phase1_mark_live_objects() /jdk/src/hotspot/share/gc/g1/g1FullCollector.cpp:330
            #4 0x150d71ffc675 in G1FullCollector::collect() /jdk/src/hotspot/share/gc/g1/g1FullCollector.cpp:209
            #5 0x150d71f3e593 in G1CollectedHeap::do_full_collection(bool, bool) /jdk/src/hotspot/share/gc/g1/g1CollectedHeap.cpp:842
            #6 0x150d71f5b12d in G1CollectedHeap::satisfy_failed_allocation_helper(unsigned long, bool, bool, bool, bool*) /jdk/src/hotspot/share/gc/g1/g1CollectedHeap.cpp:917
            #7 0x150d71f5b3dc in G1CollectedHeap::satisfy_failed_allocation(unsigned long, bool*) /jdk/src/hotspot/share/gc/g1/g1CollectedHeap.cpp:930
            #8 0x150d721835f7 in VM_G1CollectForAllocation::doit() /jdk/src/hotspot/share/gc/g1/g1VMOperations.cpp:127
            #9 0x150d74291ec8 in VM_Operation::evaluate() /jdk/src/hotspot/share/runtime/vmOperations.cpp:75
            #10 0x150d742ca1be in VMThread::evaluate_operation(VM_Operation*) /jdk/src/hotspot/share/runtime/vmThread.cpp:283
            #11 0x150d742cb9e7 in VMThread::inner_execute(VM_Operation*) /jdk/src/hotspot/share/runtime/vmThread.cpp:427
            #12 0x150d742cc601 in VMThread::loop() /jdk/src/hotspot/share/runtime/vmThread.cpp:493
            #13 0x150d742cc601 in VMThread::loop() /jdk/src/hotspot/share/runtime/vmThread.cpp:478

        seems we sometimes call qsort with nullptr as first parameter, this is not recommended.
        When adding a guarantee the same can be seen (_data is null).

              mbaesken Matthias Baesken
              mbaesken Matthias Baesken
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