CVS commit: src/sys/kern

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

Module Name:    src
Committed By:   kamil
Date:           Tue May  1 14:09:53 UTC 2018

Modified Files:
        src/sys/kern: sys_ptrace_common.c

Log Message:
Add additional hardening in PT_TRACE_ME and PT_ATTACH

Prohibit:
 - calling PT_TRACE_ME by initproc (PID1),
 - calling PT_ATTACH by initproc (PID1).

PID1 and its parent cannot become a tracer.

Sponsored by <The NetBSD Foundation>


To generate a diff of this commit:
cvs rdiff -u -r1.38 -r1.39 src/sys/kern/sys_ptrace_common.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.