• 125+ data races in Chromium

• 160+ races in Firefox

• 73 data races in Go standard library

• 52 data races in WebRTC

• A data race in OpenSSL

• 2 data races in libgomp (1 2)

• 1 data race in LLVM

• 1 bug in LLVM code generation, leads to data races in user code

• 1 bug in GCC code generation, leads to data races in user code

• 10+ data races and mutex errors in an unreleased Cloudera C++ software project

• 20+ data races in libcds - a concurrent data structure library

• 1000+ C++ data races in Google internal codebase

• 200+ Go data races in Google internal codebase

plus some others that we don't know about.

• 1 (so far) real deadlock in Chromium: http://crbug.com/377420