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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 14:25:59 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 14:25:59 -0800
commit1b79dff672ca09a5461cc1d46ad81c62137841c5 (patch)
tree772a4224c78aa20862511ae5f7272f9311e4811c /kernel/seccomp.c
parent83050a4e21979fe1821916fce2fca36255569ed3 (diff)
parent18558cae0272f8fd9647e69d3fec1565a7949865 (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.c22
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);
- }
}
}