[3.14] gh-128605: Add branch protections for x86_64 in asm_trampoline.S (#128606)#135077
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…poline.S (python#128606) Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S. Required for mitigation against return-oriented programming (ROP) and Call or Jump Oriented Programming (COP/JOP) attacks. Manual application is required for the assembly files. See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html
This was referenced Jun 3, 2025
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Thanks @stratakis for the PR, and @vstinner for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13. |
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…poline.S (pythonGH-128606) (pythonGH-135077) Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S. Required for mitigation against return-oriented programming (ROP) and Call or Jump Oriented Programming (COP/JOP) attacks. Manual application is required for the assembly files. See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html (cherry picked from commit 899cca6) Co-authored-by: stratakis <cstratak@redhat.com>
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GH-135083 is a backport of this pull request to the 3.13 branch. |
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Thanks @stratakis for the PR, and @vstinner for merging it 🌮🎉.. I'm working now to backport this PR to: 3.12. |
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Sorry, @stratakis and @vstinner, I could not cleanly backport this to |
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@stratakis: It seems like Python 3.12 branch also requires special care. Can you try to backport the change manually? |
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….S (GH-128606) (GH-135077) (#135083) [3.14] gh-128605: Add branch protections for x86_64 in asm_trampoline.S (GH-128606) (GH-135077) Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S. Required for mitigation against return-oriented programming (ROP) and Call or Jump Oriented Programming (COP/JOP) attacks. Manual application is required for the assembly files. See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html (cherry picked from commit 899cca6) Co-authored-by: stratakis <cstratak@redhat.com>
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…asm_trampoline.S (python#128606) (python#135077)" This reverts commit 899cca6, which broke buildbots.
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GH-135175 is a backport of this pull request to the 3.14 branch. |
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…asm_tr…ampoline.S (pythonGH-128606) (pythonGH-135077)" (pythonGH-135175) This reverts commit 899cca6, which broke buildbots. (cherry picked from commit b477e21) Co-authored-by: Petr Viktorin <encukou@gmail.com>
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……ampoline.S (GH-128606) (GH-135077)" (GH-135175) (GH-135203) [3.14] gh-128605: Revert "Add branch protections for x86_64 in asm_tr…ampoline.S (GH-128606) (GH-135077)" (GH-135175) This reverts commit 899cca6, which broke buildbots. (cherry picked from commit b477e21) Co-authored-by: Petr Viktorin <encukou@gmail.com>
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This was backported to 3.12 in #135094. |
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Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S.
Required for mitigation against return-oriented programming (ROP) and Call or Jump Oriented Programming (COP/JOP) attacks.
Manual application is required for the assembly files.
See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html