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authorIngo Molnar <mingo@kernel.org>2016-02-09 10:26:02 +0100
committerIngo Molnar <mingo@kernel.org>2016-02-09 10:26:02 +0100
commit2a96fd7417a0eb501edfde9713555bd7c2eda302 (patch)
treeef00ebfbde662b94a0423a8816a0bbab37440c1e /kernel/seccomp.c
parentca59809ff6d572ae58fc6bedf7500f5a60fdbd64 (diff)
parent388f7b1d6e8ca06762e2454d28d6c3c55ad0fe95 (diff)
downloadcachepc-linux-2a96fd7417a0eb501edfde9713555bd7c2eda302.tar.gz
cachepc-linux-2a96fd7417a0eb501edfde9713555bd7c2eda302.zip
Merge tag 'v4.5-rc3' into locking/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.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);
- }
}
}