Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. executing program [ 27.715735][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.245422][ T5] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 28.254578][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.262790][ T5] usb 1-1: Product: syz [ 28.267034][ T5] usb 1-1: Manufacturer: syz [ 28.271612][ T5] usb 1-1: SerialNumber: syz [ 28.316321][ T5] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 28.954992][ T5] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 executing program [ 29.357117][ T83] usb 1-1: USB disconnect, device number 2 [ 30.014509][ T5] ------------[ cut here ]------------ [ 30.020016][ T5] DEBUG_LOCKS_WARN_ON(1) [ 30.020063][ T5] WARNING: CPU: 0 PID: 5 at kernel/locking/lockdep.c:183 __lock_acquire+0x2194/0x6650 [ 30.033917][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 30.042997][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.7.0-rc6-syzkaller #0 [ 30.051031][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.061075][ T5] Workqueue: events request_firmware_work_func [ 30.067287][ T5] Call Trace: [ 30.070613][ T5] dump_stack+0xef/0x16e [ 30.074831][ T5] ? __lock_acquire+0x2100/0x6650 [ 30.079830][ T5] panic+0x2aa/0x6e1 [ 30.083709][ T5] ? add_taint.cold+0x16/0x16 [ 30.088795][ T5] ? __probe_kernel_read+0x188/0x1d0 [ 30.094055][ T5] ? __warn.cold+0x14/0x30 [ 30.098472][ T5] ? __warn+0xd5/0x1c8 [ 30.102528][ T5] ? __lock_acquire+0x2194/0x6650 [ 30.107625][ T5] __warn.cold+0x2f/0x30 [ 30.111861][ T5] ? __lock_acquire+0x2194/0x6650 [ 30.116894][ T5] report_bug+0x27b/0x2f0 [ 30.121212][ T5] do_error_trap+0x12b/0x1e0 [ 30.125781][ T5] ? __lock_acquire+0x2194/0x6650 [ 30.130787][ T5] do_invalid_op+0x32/0x40 [ 30.135187][ T5] ? __lock_acquire+0x2194/0x6650 [ 30.140273][ T5] invalid_op+0x23/0x30 [ 30.144415][ T5] RIP: 0010:__lock_acquire+0x2194/0x6650 [ 30.150033][ T5] Code: d2 0f 85 91 33 00 00 44 8b 35 38 f2 c1 06 45 85 f6 0f 85 b8 fb ff ff 48 c7 c6 c0 fa e6 85 48 c7 c7 00 fb e6 85 e8 84 6b ed ff <0f> 0b e9 9e fb ff ff e8 f0 89 c0 00 85 c0 0f 84 db fb ff ff 48 c7 [ 30.170565][ T5] RSP: 0018:ffff8881da1d7748 EFLAGS: 00010086 [ 30.176615][ T5] RAX: 0000000000000000 RBX: bd37a6f4de9bd740 RCX: 0000000000000000 [ 30.184559][ T5] RDX: 0000000000000000 RSI: ffffffff812a339d RDI: ffffed103b43aedb [ 30.192514][ T5] RBP: ffff8881da19ebd0 R08: ffff8881da19e300 R09: fffffbfff0e20bd1 [ 30.200468][ T5] R10: ffffffff87105e83 R11: fffffbfff0e20bd0 R12: ffff8881da19e300 [ 30.208416][ T5] R13: ffff8881c679e460 R14: 0000000000000000 R15: 0000000000000000 [ 30.216367][ T5] ? vprintk_func+0x7d/0x113 [ 30.220931][ T5] ? __lock_acquire+0x2194/0x6650 [ 30.225930][ T5] ? lock_downgrade+0x720/0x720 [ 30.230776][ T5] ? mark_held_locks+0xe0/0xe0 [ 30.235528][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.241307][ T5] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 30.246574][ T5] lock_acquire+0x18b/0x7c0 [ 30.251184][ T5] ? wait_for_completion_timeout+0x172/0x280 [ 30.257258][ T5] ? lock_release+0x720/0x720 [ 30.261935][ T5] ? __next_timer_interrupt+0x190/0x190 [ 30.267462][ T5] ? mark_held_locks+0x9f/0xe0 [ 30.272209][ T5] _raw_spin_lock_irq+0x2d/0x40 [ 30.277056][ T5] ? wait_for_completion_timeout+0x172/0x280 [ 30.283130][ T5] wait_for_completion_timeout+0x172/0x280 [ 30.288919][ T5] ? wait_for_completion_io_timeout+0x280/0x280 [ 30.295150][ T5] ? lockdep_init_map_waits+0x26a/0x7c0 [ 30.300672][ T5] ? ieee80211_roc_setup+0x2ca/0x3c0 [ 30.306140][ T5] ath9k_htc_wait_for_target.isra.0+0xb9/0x1b0 [ 30.312274][ T5] ath9k_htc_probe_device+0x1a4/0x1da0 [ 30.317887][ T5] ? ath9k_init_htc_services.constprop.0+0x650/0x650 [ 30.324729][ T5] ? usb_submit_urb+0x6ed/0x1460 [ 30.329658][ T5] ? usb_free_urb.part.0+0x52/0x110 [ 30.334850][ T5] ? usb_free_urb+0x1b/0x30 [ 30.339336][ T5] ath9k_htc_hw_init+0x31/0x60 [ 30.344112][ T5] ath9k_hif_usb_firmware_cb+0x274/0x510 [ 30.350529][ T5] ? ath9k_hif_usb_resume+0x320/0x320 [ 30.355882][ T5] request_firmware_work_func+0x126/0x242 [ 30.361577][ T5] ? request_firmware_into_buf+0x90/0x90 [ 30.367196][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.372733][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.377996][ T5] ? _raw_spin_unlock_irq+0x1f/0x30 [ 30.383195][ T5] process_one_work+0x965/0x1630 [ 30.388123][ T5] ? lock_release+0x720/0x720 [ 30.392800][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.398170][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 30.403112][ T5] worker_thread+0x96/0xe20 [ 30.407609][ T5] ? process_one_work+0x1630/0x1630 [ 30.412798][ T5] kthread+0x326/0x430 [ 30.416884][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 30.422241][ T5] ret_from_fork+0x24/0x30 [ 30.427365][ T5] Kernel Offset: disabled [ 30.431684][ T5] Rebooting in 86400 seconds..