Author izbyshev
Recipients benjamin.peterson, gregory.p.smith, izbyshev, pitrou, siddhesh, skrah, steve.dower, vstinner
Date 2018-10-23.16:34:29
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Such casts will also trigger a CFI violation if somebody tries to build Python (and the libc, in this case) with a signature-based CFI [1, 2]. It checks that the compile-time callee signature matches the signature of the actually called function in runtime. 

[1] https://clang.llvm.org/docs/ControlFlowIntegrity.html
[2] https://android-developers.googleblog.com/2018/10/control-flow-integrity-in-android-kernel.html
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2018-10-23 16:34:30izbyshevsetrecipients: + izbyshev, gregory.p.smith, pitrou, vstinner, benjamin.peterson, skrah, steve.dower, siddhesh
2018-10-23 16:34:30izbyshevsetmessageid: <1540312470.0.0.788709270274.issue33015@psf.upfronthosting.co.za>
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