kernelbugs

Documentation

Overview

Package kernelbugs provides runtime detection for kernel bugs effecting system-probe

Index

• func HasTasksRCUExitLockSymbol() (bool, error)
• func HasUretprobeSyscallSeccompBug() (bool, error)

Functions

func HasTasksRCUExitLockSymbol

func HasTasksRCUExitLockSymbol() (bool, error)

HasTasksRCUExitLockSymbol returns true if the tasks_rcu_exit_srcu symbol is found in the kernel symbols. The tasks_rcu_exit_srcu lock might cause a deadlock when removing fentry trampolines. This was fixed by https://github.com/torvalds/linux/commit/1612160b91272f5b1596f499584d6064bf5be794

func HasUretprobeSyscallSeccompBug

func HasUretprobeSyscallSeccompBug() (bool, error)

HasUretprobeSyscallSeccompBug returns false if no bpf is available