Linux kernel bug fix: x86/ftrace: Have ftrace trampolines turn read-only at the end of system boot up
Subsystem: arch/x86 (kernel/trace/ftrace_internal.h)
Bug type: crash, severity: high
Files changed: arch/x86/include/asm/ftrace.h;arch/x86/kernel/ftrace.c;arch/x86/mm/init_64.c;include/linux/ftrace.h;kernel/trace/ftrace_internal.h
Introduced by Peter Zijlstra on 2019-11-27 07:44:24 +0100; fixed by Steven Rostedt (VMware) on 2020-05-12 18:24:34 -0400 (lifetime: 167 days)