diff options
| author |   Kees Cook <keescook@chromium.org> | 2016-12-12 16:45:05 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-12 18:55:09 -0800 |
| commit | af884cd4a5ae62fcf5e321fecf0ec1014730353d (patch) | |
| tree | 6bef6c6cbc414940e42a97b658c53f93a3ff1078 /fs/proc/array.c | |
| parent | mm/percpu.c: fix panic triggered by BUG_ON() falsely (diff) | |
| download | linux-dev-af884cd4a5ae62fcf5e321fecf0ec1014730353d.tar.xz linux-dev-af884cd4a5ae62fcf5e321fecf0ec1014730353d.zip | |
proc: report no_new_privs state
Similar to being able to examine if a process has been correctly
confined with seccomp, the state of no_new_privs is equally interesting,
so this adds it to /proc/$pid/status.
Link: http://lkml.kernel.org/r/20161103214041.GA58566@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jann Horn <jann@thejh.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Rodrigo Freire <rfreire@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Robert Ho <robert.hu@intel.com>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Richard W.M. Jones" <rjones@redhat.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 81818adb8e9e..082676ab4878 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -342,10 +342,11 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p) static inline void task_seccomp(struct seq_file *m, struct task_struct *p) { + seq_put_decimal_ull(m, "NoNewPrivs:\t", task_no_new_privs(p)); #ifdef CONFIG_SECCOMP - seq_put_decimal_ull(m, "Seccomp:\t", p->seccomp.mode); - seq_putc(m, '\n'); + seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode); #endif + seq_putc(m, '\n'); } static inline void task_context_switch_counts(struct seq_file *m, |