selftests/vm/pkeys: Add a regression test for setting PKRU through ptrace

Browse source

commit 6ea25770b0 upstream

This tests PTRACE_SETREGSET with NT_X86_XSTATE modifying PKRU directly and
removing the PKRU bit from XSTATE_BV.

Signed-off-by: Kyle Huey <me@kylehuey.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20221115230932.7126-7-khuey%40kylehuey.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Kyle Huey 2023-01-09 13:02:14 -08:00 • committed by Greg Kroah-Hartman

parent 3c1940c549

commit 46aa155758

2 changed files with 141 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

tools/testing/selftests/vm/pkey-x86.h

View file

131

tools/testing/selftests/vm/protection_keys.c

View file