To reproduse:

% rsh penzias
%uname -a
SunOS penzias 5.11 snv_78 i86pc i386 i86pc

% mkdir /tmp/j1.6
% cd /tmp/j1.6
% /set/mt/integration/nightly/mpmt.sqe/misc/runtestsuite -r jsynprog.FZ_DBG,FZ_STABS,CC_TRAIN,FZ_JS,JD64,B64,SAVE
Test FAILED. Pass:0/1 Fail:1

% cd cd jsynprog.FZ_DBG,FZ_STABS,CC_TRAIN,FZ_JS,J160,JD64,B64,SAVE/

 See hs_err_pid9750.log and dbx.core.out:
% cat hs_err_pid9750.log
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xfffffd7ffd812295, pid=9750, tid=2
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (11.0-b11 mixed mode solaris-amd64)
# Problematic frame:
# V [libjvm.so+0x612295]
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

--------------- T H R E A D ---------------

Current thread (0x0000000000428400): JavaThread "main" [_thread_in_vm, id=2, stack(0xfffffd7ffd006000,0xfffffd7ffd106000)]

siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x0000000000000008

Registers:
RAX=0x0000000000000000, RBX=0x0000000000000002, RCX=0x0000000000000001, RDX=0xfffffd7ffd1041b8
RSP=0xfffffd7ffd104020, RBP=0xfffffd7ffd104100, RSI=0xfffffd7ffd104180, RDI=0xfffffd7ffd104480
, R8=0x0000000000000010, R9=0xfffffd7ff9e026e0, R10=0xfffffd7ffd1058a8, R11=0xfffffd7ffd006000, R12=0xfffffd7ffd104480, R13=0x0000000000000000, R14=0xfffffd7ffd1045e0, R15=0x0000000000428400
RIP=0xfffffd7ffd812295, RFLAGS=0x0000000000010202

Top of Stack: (sp=0xfffffd7ffd104020)
0xfffffd7ffd104020: 0000000000428400 fffffd7ffd1045e0
0xfffffd7ffd104030: 000000000042a950 0000000000000054
0xfffffd7ffd104040: fffffd7ffd105888 fffffd7ffd1058a8
0xfffffd7ffd104050: 0000000000000000 0000000000000000
0xfffffd7ffd104060: 0000000000000000 fffffd7ffd105888
0xfffffd7ffd104070: fffffd7ff9e6dcd0 fffffd7f00000000
0xfffffd7ffd104080: 0000000000061a81 fffffd7ffd105800
0xfffffd7ffd104090: fffffd7ffd1057e8 fffffd7ff9e6e2e4
0xfffffd7ffd1040a0: fffffd7ff9e6dcd0 fffffd7f00000000
0xfffffd7ffd1040b0: 0000000000000000 fffffd7ffd1057e8
0xfffffd7ffd1040c0: 000000000042a950 0000000000000054
0xfffffd7ffd1040d0: fffffd7ffd104100 fffffd7ffd7d62b4
0xfffffd7ffd1040e0: 000000000042a950 0000000000000054
0xfffffd7ffd1040f0: fffffd7ffd104100 fffffd7ffda71d27
0xfffffd7ffd104100: fffffd7ffd1044f0 fffffd7ffd8080f2
0xfffffd7ffd104110: 0000000000000000 0000000000428400
0xfffffd7ffd104120: fffffd7ffd105090 fffffd7ffd1045e0
0xfffffd7ffd104130: 0000000000000054 fffffd7ff9e19dc5
0xfffffd7ffd104140: fffffd7ffd105728 fffffd7f74891e60
0xfffffd7ffd104150: fffffd7ffd1057e8 fffffd7ff9e6e2f1
0xfffffd7ffd104160: fffffd7ff9e6dcd0 fffffd7f00000002
0xfffffd7ffd104170: 0000000000000000 fffffd7ffd1057e8
0xfffffd7ffd104180: fffffd7ffd105888 fffffd7ffd1058a8
0xfffffd7ffd104190: 0000000000000000 0000000000000000
0xfffffd7ffd1041a0: 0000000000000000 fffffd7ffd105888
0xfffffd7ffd1041b0: 0000000000428400 0000000000000000
0xfffffd7ffd1041c0: 0000000000000000 0000000000000000
0xfffffd7ffd1041d0: 0000000000000000 0000000000000000
0xfffffd7ffd1041e0: 0000000000000002 fffffd7ffd510b56
0xfffffd7ffd1041f0: fffffd7ffd1056d8 fffffd7ffd105658
0xfffffd7ffd104200: fffffd7ffd105710 0000000000000000
0xfffffd7ffd104210: 0000000000000000 0000000000000000

Instructions: (pc=0xfffffd7ffd812295)
0xfffffd7ffd812285: e9 aa 02 00 00 4c 8b 6e 20 4d 8b c5 49 83 c0 10
0xfffffd7ffd812295: 4d 8b 7d 08 4c 89 44 24 20 4c 89 44 24 48 4d 8b

Stack: [0xfffffd7ffd006000,0xfffffd7ffd106000], sp=0xfffffd7ffd104020, free space=1016k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x612295]
V [libjvm.so+0x6080f2]
V [libjvm.so+0x608520]
C [libcollector.so+0x18583] __collector_ext_jstack_unwind+0xa3
C [libcollector.so+0x18921] __collector_get_frame_info+0x1f1
C [libcollector.so+0xf459] __collector_ext_profile_handler+0x3e5
C [libcollector.so+0xc393] dlclose+0x10b
C [libc.so.1+0x15dc46] __sighndlr+0x6
C [libc.so.1+0x1523e8] call_user_handler+0x2f8
C [libc.so.1+0x1525f4] sigacthandler+0xc4
C 0xffffffffffffffff
V [libjvm.so+0x2de0e9]
J java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
j java.util.Arrays.copyOf([Ljava/lang/Object;ILjava/lang/Class;)[Ljava/lang/Object;+42
j java.util.Arrays.copyOf([Ljava/lang/Object;I)[Ljava/lang/Object;+6

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
j java.util.Arrays.copyOf([Ljava/lang/Object;ILjava/lang/Class;)[Ljava/lang/Object;+42
j java.util.Arrays.copyOf([Ljava/lang/Object;I)[Ljava/lang/Object;+6
J Routine.allocate_vector()Ljava/util/Vector;
j Routine.vector_op(I)V+1
j jsynprog.main([Ljava/lang/String;)V+296
v ~StubRoutines::call_stub

--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
  0x000000000061dc00 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=13, stack(0xfffffd7f7325e000,0xfffffd7f7335e000)]
  0x000000000061a400 JavaThread "CompilerThread1" daemon [_thread_blocked, id=12, stack(0xfffffd7f73360000,0xfffffd7f73460000)]
  0x00000000005b3800 JavaThread "CompilerThread0" daemon [_thread_blocked, id=11, stack(0xfffffd7f73462000,0xfffffd7f73562000)]
  0x00000000005b1400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=10, stack(0xfffffd7f73564000,0xfffffd7f73664000)]
  0x000000000058a000 JavaThread "Finalizer" daemon [_thread_blocked, id=9, stack(0xfffffd7f744fe000,0xfffffd7f745fe000)]
  0x0000000000588800 JavaThread "Reference Handler" daemon [_thread_blocked, id=8, stack(0xfffffd7ff9c3c000,0xfffffd7ff9d3c000)]
=>0x0000000000428400 JavaThread "main" [_thread_in_vm, id=2, stack(0xfffffd7ffd006000,0xfffffd7ffd106000)]

Other Threads:
  0x0000000000583800 VMThread [stack: 0xfffffd7f73666000,0xfffffd7f73766000] [id=7]
  0x0000000000620000 WatcherThread [stack: 0xfffffd7f7315c000,0xfffffd7f7325c000] [id=14]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 PSYoungGen total 141824K, used 20881K [0xfffffd7fcf000000, 0xfffffd7fe0200000, 0xfffffd7ff9c00000)
  eden space 136192K, 11% used [0xfffffd7fcf000000,0xfffffd7fcff55a88,0xfffffd7fd7500000)
  from space 5632K, 91% used [0xfffffd7fd7500000,0xfffffd7fd7a0ea48,0xfffffd7fd7a80000)
  to space 3648K, 0% used [0xfffffd7fdfe70000,0xfffffd7fdfe70000,0xfffffd7fe0200000)
 PSOldGen total 88064K, used 0K [0xfffffd7f79a00000, 0xfffffd7f7f000000, 0xfffffd7fcf000000)
  object space 88064K, 0% used [0xfffffd7f79a00000,0xfffffd7f79a00000,0xfffffd7f7f000000)
 PSPermGen total 22528K, used 3187K [0xfffffd7f74600000, 0xfffffd7f75c00000, 0xfffffd7f79a00000)
  object space 22528K, 14% used [0xfffffd7f74600000,0xfffffd7f7491cc80,0xfffffd7f75c00000)

Dynamic libraries:
0x0000000000400000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/bin/amd64/java
0xfffffd7fff300000 /set/mt/integration/build.Tue/intel-S2/bin/../prod/bin/../lib/amd64/dbxruntime/libcollector.so
0xfffffd7fff380000 /lib/64/libthread.so.1
0xfffffd7fff2c0000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/bin/amd64/../../jre/lib/amd64/jli/libjli.so
0xfffffd7fff2e0000 /lib/64/libdl.so.1
0xfffffd7fff000000 /lib/64/libc.so.1
0xfffffd7ffd200000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/server/libjvm.so
0xfffffd7ffefe0000 /lib/64/libsocket.so.1
0xfffffd7fff230000 /usr/lib/64/libsched.so.1
0xfffffd7ffefa0000 /lib/64/libm.so.1
0xfffffd7ffef70000 /usr/lib/64/libCrun.so.1
0xfffffd7ffefd0000 /lib/64/libdoor.so.1
0xfffffd7ffee70000 /lib/64/libnsl.so.1
0xfffffd7ffdd80000 /lib/64/libm.so.2
0xfffffd7ffee30000 /lib/64/libscf.so.1
0xfffffd7ffee10000 /lib/64/libuutil.so.1
0xfffffd7ffdd50000 /lib/64/libgen.so.1
0xfffffd7ffd1e0000 /lib/64/libmd.so.1
0xfffffd7ffd1c0000 /lib/64/libmp.so.2
0xfffffd7ffcfc0000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/native_threads/libhpi.so
0xfffffd7ffcf40000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/libverify.so
0xfffffd7ffcee0000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/libjava.so
0xfffffd7ffcea0000 /net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/libzip.so
0xfffffd7ffce70000 /tmp/j1.6/jsynprog.FZ_DBG,FZ_STABS,CC_TRAIN,FZ_JS,J160,JD64,B64,SAVE/libcloop64.so

VM Arguments:
jvm_args: -Xruncollector
java_command: jsynprog
Launcher Type: SUN_STANDARD

Environment Variables:
PATH=/set/mt/integration/nightly/mpmt.sqe/bin:/set/mt/integration/build.Tue/intel-S2/bin:/set/mt/integration/nightly/hydra/bin:/usr/ccs/bin:/bin:.:/shared/dp/sstrunk/cbe/inst/intel-S2/bin:/bin:/usr/bin:/usr/sbin:/set/tw/dist/intel-S2/bin:/usr/dt/bin:/usr/openwin/bin:/usr/ccs/bin:/usr/ucb:/usr/dist/exe:/usr/dist/local/exe::/set/mt/integration/Tools/JDK/intel-S2/j2sdk1.5.0/bin:/etc:/home/vm46008/bin:/home/vm46008/bin/intel-S2:/usr/local/bin:.
LD_LIBRARY_PATH=/net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64/server:/net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/lib/amd64:/net/penzias.sfbay/export/home/mpmt/set/mt/integration/Tools/JDK/intel-S2/jdk1.6.0_10-ea-b11/jre/../lib/amd64
SHELL=/bin/bash
DISPLAY=kaissa:0.0

Signal Handlers:
SIGSEGV: [libjvm.so+0x95ed00], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGBUS: [libjvm.so+0x95ed00], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGFPE: [libjvm.so+0x34ec20], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGPIPE: [libjvm.so+0x34ec20], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGXFSZ: [libjvm.so+0x34ec20], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGILL: [libjvm.so+0x34ec20], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGQUIT: [libjvm.so+0x85e140], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGHUP: [libjvm.so+0x85e140], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGINT: [libjvm.so+0x85e140], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGTERM: [libjvm.so+0x85e140], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIG39: [libjvm.so+0x860cb0], sa_mask[0]=0x00000000, sa_flags=0x00000008
SIG40: [libjvm.so+0x34ec20], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c


--------------- S Y S T E M ---------------

OS: Solaris Express Community Edition snv_78 X86
           Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
...

% cat dbx.core.out
...
t@2 (l@2) terminated by signal ABRT (Abort)
0xfffffd7fff1657ba: __lwp_kill+0x000a: jae __lwp_kill+0x18 [ 0xfffffd7fff1657c8, .+0xe ]
dbx: core file read error: address 0x61a89 not in data space
dbx: attempt to read frame failed -- cannot get return address
dbx: warning: No frame with source found
current thread: t@2
dbx: core file read error: address 0x61a89 not in data space
dbx: attempt to read frame failed -- cannot get return address
=>[1] __lwp_kill(0x2, 0x6, 0xffffff02fad8c100, 0xfffffd7ffd103720, 0xfffffd7fff250a00, 0xfffffd7fff30cb68), at 0xfffffd7fff1657ba
  [2] _thr_kill(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15bab5
  [3] raise(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff114cb9
  [4] abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff0f1431
  [5] os::abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffda5ce64
  [6] VMError::report_and_die(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffdb5e7c2
  [7] JVM_handle_solaris_signal(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd54eab1
  [8] signalHandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd54ec2e
  [9] __sighndlr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15dc46
  [10] call_user_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1523e8
  [11] sigacthandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1525f4
  ---- called from signal handler with signal 11 (SIGSEGV) ------
  [12] frame::sender(0xfffffd7ffd104480, 0xfffffd7ffd104180, 0xfffffd7ffd1041b8, 0x1, 0x10, 0xfffffd7ff9e026e0), at 0xfffffd7ffd812295
  [13] forte_fill_call_trace_given_top(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd8080f2
  [14] AsyncGetCallTrace(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd808520
  [15] __collector_ext_jstack_unwind(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff318583
  [16] __collector_get_frame_info(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff318921
  [17] __collector_ext_profile_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff30f459
  [18] collector_sigprof_dispatcher(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff30c393
  [19] __sighndlr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15dc46
  [20] call_user_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1523e8
  [21] sigacthandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1525f4
  ---- called from signal handler with signal 29 (SIGPROF) ------
  [22] 0xfffffd7ffdb670e9(0xfffffd7fcf178a70, 0xfffffd7fcf506f60, 0xfffffffffffd59f4, 0xfffffd7fcfc48680, 0xfffffd7f74607fd0, 0x0), at 0xfffffd7ffdb670e9
  [23] objArrayKlass::copy_array(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd560ff5
  [24] JVM_ArrayCopy(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd4de0e9
  [25] 0xfffffd7ff9e62c42(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ff9e62c42
  [26] 0xfffffd7ff9e62c42(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ff9e62c42
  [27] 0xfffffd7ff9e03322(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ff9e03322
  [28] 0xfffffd7ff9e031c9(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ff9e031c9
  [29] 0xfffffd7ff9e6e2e4(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ff9e6e2e4
current thread: t@1
=>[1] __lwp_wait(0x2), at 0xfffffd7fff1657ea
  [2] lwp_wait(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff14f5a1
  [3] _thrp_join(0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15a17d
  [4] _thr_join(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15a2de
  [5] ContinueInNewThread(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x40a145
  [6] main(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x402d61
current thread: t@2
dbx: core file read error: address 0x61a89 not in data space
dbx: attempt to read frame failed -- cannot get return address
=>[1] __lwp_kill(0x2, 0x6, 0xffffff02fad8c100, 0xfffffd7ffd103720, 0xfffffd7fff250a00, 0xfffffd7fff30cb68), at 0xfffffd7fff1657ba
  [2] _thr_kill(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15bab5
  [3] raise(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff114cb9
  [4] abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff0f1431
  [5] os::abort(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffda5ce64
  [6] VMError::report_and_die(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffdb5e7c2
  [7] JVM_handle_solaris_signal(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd54eab1
  [8] signalHandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd54ec2e
  [9] __sighndlr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15dc46
  [10] call_user_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1523e8
  [11] sigacthandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1525f4
  ---- called from signal handler with signal 11 (SIGSEGV) ------
  [12] frame::sender(0xfffffd7ffd104480, 0xfffffd7ffd104180, 0xfffffd7ffd1041b8, 0x1, 0x10, 0xfffffd7ff9e026e0), at 0xfffffd7ffd812295
  [13] forte_fill_call_trace_given_top(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd8080f2
  [14] AsyncGetCallTrace(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7ffd808520
  [15] __collector_ext_jstack_unwind(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff318583
  [16] __collector_get_frame_info(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff318921
  [17] __collector_ext_profile_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff30f459
  [18] collector_sigprof_dispatcher(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff30c393
  [19] __sighndlr(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff15dc46
  [20] call_user_handler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1523e8
  [21] sigacthandler(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfffffd7fff1525f4
...