I just upgraded to Ubuntu 19.10 and noticed that they enable -fcf-protection by default in gcc which adds an endbr64 instruction in every function prologue. This seems strange for two reasons:
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Replying to @_tsuro
Yup, I saw it in the release notes: https://wiki.ubuntu.com/EoanErmine/ReleaseNotes#Security_Improvements_.2B2D3dEg- …
6:40 AM - 27 Oct 2019
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