diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:25:59 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:25:59 -0800 |
commit | 1b79dff672ca09a5461cc1d46ad81c62137841c5 (patch) | |
tree | 772a4224c78aa20862511ae5f7272f9311e4811c /kernel/seccomp.c | |
parent | 83050a4e21979fe1821916fce2fca36255569ed3 (diff) | |
parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) |
Merge 4.5-rc4 into char-misc-next
We want those fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/seccomp.c')
-rw-r--r-- | kernel/seccomp.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 580ac2d4024f..15a1795bbba1 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -316,24 +316,24 @@ static inline void seccomp_sync_threads(void) put_seccomp_filter(thread); smp_store_release(&thread->seccomp.filter, caller->seccomp.filter); + + /* + * Don't let an unprivileged task work around + * the no_new_privs restriction by creating + * a thread that sets it up, enters seccomp, + * then dies. + */ + if (task_no_new_privs(caller)) + task_set_no_new_privs(thread); + /* * Opt the other thread into seccomp if needed. * As threads are considered to be trust-realm * equivalent (see ptrace_may_access), it is safe to * allow one thread to transition the other. */ - if (thread->seccomp.mode == SECCOMP_MODE_DISABLED) { - /* - * Don't let an unprivileged task work around - * the no_new_privs restriction by creating - * a thread that sets it up, enters seccomp, - * then dies. - */ - if (task_no_new_privs(caller)) - task_set_no_new_privs(thread); - + if (thread->seccomp.mode == SECCOMP_MODE_DISABLED) seccomp_assign_mode(thread, SECCOMP_MODE_FILTER); - } } } |