diff options
Diffstat (limited to 'security/keys/gc.c')
| -rw-r--r-- | security/keys/gc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/security/keys/gc.c b/security/keys/gc.c index 7d687b0962b1..748e83818a76 100644 --- a/security/keys/gc.c +++ b/security/keys/gc.c @@ -218,8 +218,10 @@ continue_scanning: key = rb_entry(cursor, struct key, serial_node); cursor = rb_next(cursor); - if (refcount_read(&key->usage) == 0) + if (!test_bit_acquire(KEY_FLAG_USER_ALIVE, &key->flags)) { + /* Clobber key->user after final put seen. */ goto found_unreferenced_key; + } if (unlikely(gc_state & KEY_GC_REAPING_DEAD_1)) { if (key->type == key_gc_dead_keytype) { |