chromium - FATAL:setuid_sandbox_client.cc(126)] Check failed: IsFileSystemAccessDenied()

Testing running chromium in Docker I had the following stack trace :

[0329/035746:FATAL:setuid_sandbox_client.cc(126)] Check failed:

 IsFileSystemAccessDenied().
#0 0x55e51a82299e <unknown>
#1 0x55e51a8007ee <unknown>
#2 0x55e51a8934fe <unknown>
#3 0x55e51a7f3f3b <unknown>
#4 0x55e51a7f21a6 <unknown>
#5 0x7fe5e8984710 <unknown>
#6 0x55e51a7f34f9 <unknown>

[1:1:0329/035746:ERROR:nacl_fork_delegate_linux.cc(315)] Bad NaCl helper

 startup ack (0 bytes)

[1:1:0329/035746:FATAL:setuid_sandbox_client.cc(126)] Check failed: 

IsFileSystemAccessDenied().

This is because chromium should not be run as root. From the development list this is by design.