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For the interested, you can read a preprint of our latest #research on the #OpenBSD -fret-clean flag here:
https://briancallahan.net/preprints/Callahan_Shaikh_IEEE_CARS_2026.pdf
#freebsd #netbsd #dragonflybsd #bsd #linux #unix #solaris #illumos #compiler #compilers #llvm #gcc #rop #cybersecurity #cybersec #cyber #security #infosec #informationsecurity
A wild #blog post appears!
I discuss a new #research publication: an empirical evaluation of the #OpenBSD -fret-clean flag. We examine the history of the mitigation, measure its costs, and deliberate whether or not it is worth keeping.
Worth the read if you like security and/or compilers.
https://briancallahan.net/blog/20260811.html
#freebsd #netbsd #dragonflybsd #bsd #linux #unix #solaris #illumos #compiler #compilers #llvm #gcc #rop #cybersecurity #cybersec #cyber #security #infosec #informationsecurity
Some of our #OpenBSD anti-ROP #research ended up on lobsters: https://lobste.rs/s/xclcel/final_return_for_openbsd_anti_return
#BSD #FreeBSD #NetBSD #DragonFlyBSD #Linux #Unix #Illumos #compiler #compilers #GCC #LLVM #Clang
A new #blog post appears!
I built a native GCC 14.2.0 for Mac OS X 10.4 Tiger PowerPC.
https://briancallahan.net/blog/20250329.html
#macos #macosx #tiger #powerpc #power #unix #bsd #freebsd #openbsd #netbsd #dragonflybsd #linux #solaris #illumos #gcc #llvm #clang #compiler #compilers #assembler #linker #toolchain #freesoftware #opensource #gnu