maintainer-feedback requested: [Bug 254539] java/openjdk11: jhsdb jmap crashes with SIGSEGV

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-java (Nobody)
<java at FreeBSD.org> for maintainer-feedback:
Bug 254539: java/openjdk11: jhsdb jmap crashes with SIGSEGV
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254539



--- Description ---
While trying to produce a heap dump from JVM with:

jhsdb jmap --pid 18369 --binaryheap --dumpfile dump.hpro

After running for a while, it fails with SIGSEGV:

Attaching to process ID 18369, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 11.0.10+9-1
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00000008011543b9, pid=18729, tid=101203
#
# JRE version: OpenJDK Runtime Environment (11.0.10+9) (build 11.0.10+9-1)
# Java VM: OpenJDK 64-Bit Server VM (11.0.10+9-1, mixed mode, tiered,
compressed oops, serial gc, bsd-amd64)
# Problematic frame:
# C  [libc.so.7+0x913b9]  signed char+0x49

I'll attach the error report file.