Editor crashes when entering and leaving Play Mode while the Profiler tab is open

How to reproduce:

1. Create and open a new project
2. Open a Profiler tab
3. Enter and leave Play Mode
4. Observe the crash

Reproducible with: 2021.3.7f1

Could not test with: 2021.3.9f1 (The Editor fails to initialize graphics when running on a Ubuntu 18.04 virtual machine)

Reproducible on: Ubuntu 18.04 (Running on a virtual machine)

Not reproducible on: Windows 10, Ubuntu 20.04, Ubuntu 18.04 (Running on physical hardware)

Last five lines of the crash stacktrace:
#0 0x007fdb7bcde8a0 in funlockfile
#1 0x00558b6c55cf37 in std::basic_streambuf<char, std::char_traits<char> >::xsgetn(char*, long)
#2 0x00558b6c54ee05 in std::basic_filebuf<char, std::char_traits<char> >::xsgetn(char*, long)
#3 0x00558b6ae33d9c in unix::PersistentlyOpenProcFsFile::UpdateContents()
#4 0x00558b6ae34109 in unix::ProcFSCachedReaderunix::SystemMemoryInfo::Update()