CVS commit: src/tests/lib/libc/sys

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

Module Name:    src
Committed By:   kamil
Date:           Sun May 13 23:14:48 UTC 2018

Modified Files:
        src/tests/lib/libc/sys: t_ptrace.c t_ptrace_amd64_wait.h
            t_ptrace_wait.c

Log Message:
Add a new ptrace(2) ATF exploit for: CVE-2018-8897 (POP SS debug exception)

The original expolit and mitigation have been developed by Maxime Villard.

I've reworked the shared code and adapted for the ATF context.
I've included PIE-aware version (RIP/EIP relative) and introduced
additional comments to the explanation how to trigger the flaw.

This test passes on NetBSD/8.99.17.

Sponsored by <The NetBSD Foundation>


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/tests/lib/libc/sys/t_ptrace.c \
    src/tests/lib/libc/sys/t_ptrace_amd64_wait.h
cvs rdiff -u -r1.38 -r1.39 src/tests/lib/libc/sys/t_ptrace_wait.c

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