BUG: soft lockup detected on CPU#0!
 [<c012b6f3>] softlockup_tick+0x7f/0x84
 [<c011a75c>] update_process_times+0x33/0x55
 [<c0104f66>] timer_interrupt+0x48/0x70
 [<c012bb29>] handle_IRQ_event+0x1a/0x3f
 [<c012c83e>] handle_edge_irq+0xa5/0xd7
 [<c0104130>] do_IRQ+0x84/0x9c
 [<c011403c>] profile_tick+0x39/0x53
 [<c0102fe3>] common_interrupt+0x23/0x28
 [<c020a027>] aes_encrypt+0x5dd/0x10fa
 [<c0204a90>] crypto_cbc_encrypt_segment+0x4c/0x93
 [<c0209a4a>] aes_encrypt+0x0/0x10fa
 [<c0204e26>] xor_128+0x0/0x17
 [<c0204bb3>] crypto_cbc_encrypt+0x5d/0x74
 [<c0204e26>] xor_128+0x0/0x17
 [<c0130a18>] buffered_rmqueue+0xbb/0xd7
 [<c02c6be4>] crypt_convert_scatterlist+0xb3/0xbe
 [<c02c6d7b>] crypt_convert+0x133/0x161
 [<c02c71cf>] process_write+0x9b/0x12c
 [<c02c72b6>] kcryptd_do_work+0x0/0x24
 [<c011f635>] run_workqueue+0x79/0x106
 [<c011f7de>] worker_thread+0x11c/0x145
 [<c0110452>] default_wake_function+0x0/0xc
 [<c0110452>] default_wake_function+0x0/0xc
 [<c011f6c2>] worker_thread+0x0/0x145
 [<c0121f1c>] kthread+0x72/0x97
 [<c0121eaa>] kthread+0x0/0x97
 [<c0103163>] kernel_thread_helper+0x7/0x10