robertdfrench/ifuncd-up

Issues

• Select candidate implementations from shared libraries

  #20 opened 2 months ago by robertdfrench
  0

• Performance comparison: Function pointers in memory-protected global struct

  #19 opened 2 months ago by robertdfrench
  1

• Can ifunc_late be removed?

  #17 opened 4 months ago by robertdfrench
  0

• Does __builtin_cpu_init do all the heavy lifting?

  #18 opened 4 months ago by robertdfrench
  0

• What was the cover reason for introducing ifunc to xz-utils?

  #11 opened 4 months ago by robertdfrench
  0

• Explain what role avx2 and friends would even play in glibc

  #13 opened 4 months ago by robertdfrench
  0

• Can runtime CPU feature detection actually help with some attacks?

  #14 opened 4 months ago by robertdfrench
  0

• Discuss other approaches

  #15 opened 4 months ago by robertdfrench
  1

• Show how this affects an executable that links indirectly to another library

  #8 opened 4 months ago by robertdfrench
  1

• Talk about the function that was replaced in OpenSSH

  #9 opened 4 months ago by robertdfrench
  0

• Test on real hardware

  #10 opened 4 months ago by robertdfrench
  0

• Show limits of "combinatorial explosion"

  #6 opened 4 months ago by robertdfrench
  0

• Full RELRO is the default on Ubuntu 24

  #16 opened 4 months ago by robertdfrench
  1

• Flesh out section on dynamic loading

  #12 opened 4 months ago by robertdfrench
  2

• What problem was solved when OpenSSH linked against libsystemd?

  #2 opened 4 months ago by robertdfrench
  0

• What degree of RELRO was applied to sshd?

  #5 opened 4 months ago by robertdfrench
  1

• Performance cost of CPU feature check?

  #4 opened 4 months ago by robertdfrench
  1

• Check for cpu features up front

  #7 opened 4 months ago by robertdfrench
  1

• What stops a program from modifying its own GOT?

  #3 opened 4 months ago by robertdfrench
  1

• Make the point that OpenBSD as W^X by default, which would stymy IFUNC

  #1 opened 4 months ago by robertdfrench
  1