nospec: Allow getting/setting on non-current task

Browse source

Adjust arch_prctl_get/set_spec_ctrl() to operate on tasks other than
current.

This is needed both for /proc/$pid/status queries and for seccomp (since
thread-syncing can trigger seccomp in non-current threads).

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

This commit is contained in:

Kees Cook 2018-05-01 15:19:04 -07:00 • committed by Thomas Gleixner

parent a73ec77ee1

commit 7bbf1373e2

3 changed files with 26 additions and 17 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

7

include/linux/nospec.h

View file