JDK-6584008 (jvmtiStringPrimitiveCallback should not be invoked when string value is null) in 1.7.0_45 (original) (raw)

serguei.spitsyn at oracle.com serguei.spitsyn at oracle.com
Mon Jan 6 14:30:43 PST 2014

Hi Harry,

Thank you a lot for reporting this crash as it is quite helpful!

I've updated the bug report description with your information: https://bugs.openjdk.java.net/browse/JDK-6584008

Thanks, Serguei

On 1/3/14 1:40 PM, Leitzell, Harry wrote:

I believe I've run into this bug's race condition while using Dynatrace's JVMTI profiling: https://bugs.openjdk.java.net/browse/JDK-6584008

I don't have time to write a patch right now that I think would be accepted but I can if desired.

SNIP # SIGSEGV (0xb) at pc=0x00002ad23bcf3d2b, pid=2934, tid=1090189632 # # JRE version: Java(TM) SE Runtime Environment (7.045-b18) (build 1.7.045-b18) # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode linux-amd64 compressed oops) # Problematic frame: # V [libjvm.so+0x708d2b] invokestringvaluecallback(int (*)(long, long, long*, unsigned short const*, int, void*), CallbackWrapper*, oopDesc*, void*)+0x11b SNIP --------------- T H R E A D --------------- Current thread (0x00002aaab02d5000): VMThread [stack: 0x0000000040eaf000,0x0000000040fb0000] [id=2966] siginfo:sisigno=SIGSEGV: sierrno=0, sicode=1 (SEGVMAPERR), siaddr=0x000000000000000c SNIP Register to memory mapping: RAX=0x000000000000000c is an unknown value RBX=0x000000062789c4a0 is an oop java.lang.String - klass: 'java/lang/String' RCX=0x0000000000000000 is an unknown value RDX=0x000000062789c4a0 is an oop java.lang.String - klass: 'java/lang/String' RSP=0x0000000040faecc0 is an unknown value RBP=0x0000000040faecc0 is an unknown value RSI=0x00002ad23c418e58: <offset 0xe2de58> in /local/jdk1.7.045/jre/lib/amd64/server/libjvm.so at 0x00002ad23b5eb000 RDI=0x00002ad23c41a550: <offset 0xe2f550> in /local/jdk1.7.045/jre/lib/amd64/server/libjvm.so at 0x00002ad23b5eb000 R8 =0x0000000000000000 is an unknown value R9 =0x0000000040faecd0 is an unknown value R10=0x0000000045c63650 is pointing into the stack for thread: 0x00002aae38027000 R11=0x00002aaaab71c9ea: <offset 0x599ea> in /local/dynatrace/agent/downloads/5.5.0.5562/native/linux-x86-64/libdtagentc ore.so at 0x00002aaaab6c3000 R12=0x0000000045c63130 is pointing into the stack for thread: 0x00002aae38027000 R13=0x00002ad23c418e58: <offset 0xe2de58> in /local/jdk1.7.045/jre/lib/amd64/server/libjvm.so at 0x00002ad23b5eb000 R14=0x0000000040faecd0 is an unknown value R15=0x0000000000000000 is an unknown value Stack: [0x0000000040eaf000,0x0000000040fb0000], sp=0x0000000040faecc0, free space=1023k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x708d2b] invokestringvaluecallback(int (*)(long, long, long*, unsigned short const*, int, void*), CallbackWrapper*, oopDesc*, void*)+0x11b V [libjvm.so+0x70a9d6] IterateThroughHeapObjectClosure::doobject(oopDesc*)+0x476 V [libjvm.so+0x8c8dca] ContiguousSpace::objectiteratefrom(WaterMark, ObjectClosure*)+0x7a V [libjvm.so+0x5628bb] GenCollectedHeap::objectiterate(ObjectClosure*)+0x3b V [libjvm.so+0x70b8e3] VMHeapIterateOperation::doit()+0x43 V [libjvm.so+0x99b955] VMOperation::evaluate()+0x55 V [libjvm.so+0x999d8a] VMThread::evaluateoperation(VMOperation*)+0xba V [libjvm.so+0x99a10e] VMThread::loop()+0x1ce V [libjvm.so+0x99a580] VMThread::run()+0x70 V [libjvm.so+0x815288] javastart(Thread*)+0x108 VMOperation (0x0000000045c63170): HeapIterateOperation, mode: safepoint, requested by thread 0x00002aae38027000

Cheers, Harry Harry Leitzell | Principal Performance Engineer, eCommerce | W.W. Grainger, Inc. 500 W Madison St, Suite 3300 | Chicago, IL 60661-4512 | +1 (312) 802-7400

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