Description of problem:
createdump utility reports the segmentation fault.
https://github.com/dotnet/coreclr/blob/master/Documentation/botr/xplat-minidump-generation.md#linux

Version-Release number of selected component (if applicable):
~~~
# dotnet --info
.NET Core SDK (reflecting any global.json):
 Version:   2.2.100
 Commit:    b9f2fa0ca8

Runtime Environment:
 OS Name:     rhel
 OS Version:  7
 OS Platform: Linux
 RID:         rhel.7-x64
 Base Path:   /opt/rh/rh-dotnet22/root/usr/lib64/dotnet/sdk/2.2.100/

Host (useful for support):
  Version: 2.2.0
  Commit:  1249f08fed

.NET Core SDKs installed:
  2.2.100 [/opt/rh/rh-dotnet22/root/usr/lib64/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.NETCore.App 2.2.0 [/opt/rh/rh-dotnet22/root/usr/lib64/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download
~~~

How reproducible:
Always

Steps to Reproduce:
1. Create an example ASP.NET Core project and runt.
$ dotnet new webapp
$ dotnet run

2. Find the PID.
$ ps aux | grep dotne[t]

3. Execute createdump.
$ # /opt/rh/rh-dotnet22/root/usr/lib64/dotnet/shared/Microsoft.NETCore.App/2.2.0/createdump 127347


Actual results:
~~~
Writing minidump with heap to file /tmp/coredump.127347
Segmentation fault
~~~

Expected results:
Create dump successfully.

Additional info:
I confirmed createdump works well with rh-dotnet21.