Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. executing program [ 199.221471][ T27] audit: type=1400 audit(1589792263.762:8): avc: denied { execmem } for pid=7201 comm="syz-executor840" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 456.434846][ T7325] BUG: MAX_LOCKDEP_CHAINS too low! [ 456.440005][ T7325] turning off the locking correctness validator. [ 456.446333][ T7325] CPU: 0 PID: 7325 Comm: kworker/u5:15 Not tainted 5.7.0-rc6-syzkaller #0 [ 456.454900][ T7325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.465101][ T7325] Workqueue: hci1681 hci_power_on [ 456.470109][ T7325] Call Trace: [ 456.473410][ T7325] dump_stack+0x188/0x20d [ 456.477763][ T7325] __lock_acquire.cold+0x11/0x3f8 [ 456.482774][ T7325] ? trace_hardirqs_off+0x50/0x220 [ 456.488207][ T7325] ? mark_held_locks+0xe0/0xe0 [ 456.492989][ T7325] ? __queue_work+0x566/0x1280 [ 456.497730][ T7325] ? find_held_lock+0x2d/0x110 [ 456.502469][ T7325] lock_acquire+0x1f2/0x8f0 [ 456.507039][ T7325] ? prepare_to_wait_event+0x5b/0x650 [ 456.512385][ T7325] ? lock_release+0x800/0x800 [ 456.517033][ T7325] ? print_usage_bug+0x240/0x240 [ 456.522025][ T7325] _raw_spin_lock_irqsave+0x8c/0xbf [ 456.527198][ T7325] ? prepare_to_wait_event+0x5b/0x650 [ 456.532563][ T7325] prepare_to_wait_event+0x5b/0x650 [ 456.537735][ T7325] ? do_wait_intr_irq+0x280/0x280 [ 456.542802][ T7325] __hci_req_sync+0x67a/0x830 [ 456.547457][ T7325] ? hci_req_sync_cancel+0xd0/0xd0 [ 456.552563][ T7325] ? finish_wait+0x260/0x260 [ 456.557286][ T7325] ? find_first_zero_bit+0x94/0xb0 [ 456.562393][ T7325] hci_dev_do_open+0xfa5/0x18b0 [ 456.567229][ T7325] ? lock_downgrade+0x800/0x840 [ 456.572073][ T7325] ? hci_rx_work+0xb30/0xb30 [ 456.577173][ T7325] ? lock_acquire+0x1f2/0x8f0 [ 456.582000][ T7325] ? process_one_work+0x878/0x16a0 [ 456.587132][ T7325] hci_power_on+0x11d/0x610 [ 456.591610][ T7325] ? hci_error_reset+0xf0/0xf0 [ 456.596621][ T7325] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 456.603821][ T7325] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 456.609778][ T7325] ? _raw_spin_unlock_irq+0x1f/0x80 [ 456.615762][ T7325] process_one_work+0x965/0x16a0 [ 456.620908][ T7325] ? lock_release+0x800/0x800 [ 456.625565][ T7325] ? pwq_dec_nr_in_flight+0x310/0x310 [ 456.630933][ T7325] ? rwlock_bug.part.0+0x90/0x90 executing program [ 456.635866][ T7325] worker_thread+0x96/0xe20 [ 456.640349][ T7325] ? process_one_work+0x16a0/0x16a0 [ 456.645615][ T7325] kthread+0x388/0x470 [ 456.649684][ T7325] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 456.655392][ T7325] ret_from_fork+0x24/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program