No stack canaries are available in ESR 31 nightlies if using custom GCC 4.9.1. (#13329) · Issues · The Tor Project / Applications / Tor Browser · GitLab

No stack canaries are available in ESR 31 nightlies if using custom GCC 4.9.1.

`checksec.sh` shows "No canary found" when e.g. `firefox` is checked.

issue