Alexander Popov's STACKLEAK work in the Linux kernel will be interesting to anyone who has been following the Stack Erase in GCC work at @Embecosmhttps://twitter.com/a13xp0p0v/status/1040232059506188288 …
Cool! Do you have links to more details on the GCC work? I'd love to check it out!
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Thanks for your interest! I'm hoping to post a writeup of the current state of things and a patch asap (ETA in a few days) In the meantime - GNU cauldron slides: https://gmarkall.files.wordpress.com/2018/09/secure_and_gcc.pdf … Relevant blog posts: https://www.embecosm.com/2018/08/10/protecting-secret-data-with-stack-erase/ … andhttps://www.embecosm.com/2017/02/20/security-enhanced-compilers/ …
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There's an (outdated version) RISC-V toolchain build with stack erase that can be built from https://github.com/embecosm/riscv-toolchain/tree/stack-erase … - it's missing x86 support, some error messages and sometimes ICEs, but can be used for a quick experimentation. The talk video should be up in a couple of weeks.
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