Unintentional abort with SIGUSR2

Takao, Shinji takao.shinji at lab.ntt.co.jp
Tue Mar 14 07:03:51 UTC 2017

Hi all,

I encountered an unintentional process abort with SIGSEGV
when a Java process received a SIGUSR2.

I was little surprised because I believed that the SIGUSR2
was to be ignored when it had no user definition.

Is there any documentation for the behavior?

# A fatal error has been detected by the Java Runtime Environment:
#  SIGSEGV (0xb) at pc=0x00007fca804a40a2, pid=2137, tid=0x00007fca81949740
# JRE version: OpenJDK Runtime Environment (8.0_121-b13) (build 1.8.0_121-b13)
# Java VM: OpenJDK 64-Bit Server VM (25.121-b13 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x8700a2]
# Core dump written. Default location: /xxx/xxx/core or core.2137
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp

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

Current thread is native thread

siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000110

Best regards,

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