Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. [ 13.221453][ C1] random: crng init done [ 13.225874][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 20.036891][ T21] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 20.044743][ T68] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 20.046791][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 20.054387][ T17] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 20.059793][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 20.075451][ T352] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 20.556645][ T21] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.565799][ T21] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.573873][ T21] usb 2-1: Product: syz [ 20.578098][ T21] usb 2-1: Manufacturer: syz [ 20.582708][ T21] usb 2-1: SerialNumber: syz [ 20.626755][ T68] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.635892][ T68] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.643928][ T68] usb 5-1: Product: syz [ 20.646592][ T5] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.648147][ T68] usb 5-1: Manufacturer: syz [ 20.657151][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.661694][ T68] usb 5-1: SerialNumber: syz [ 20.669711][ T5] usb 1-1: Product: syz [ 20.674326][ T17] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.678417][ T5] usb 1-1: Manufacturer: syz [ 20.688221][ T17] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.692798][ T5] usb 1-1: SerialNumber: syz [ 20.700792][ T17] usb 3-1: Product: syz [ 20.705465][ T12] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.709540][ T17] usb 3-1: Manufacturer: syz [ 20.718577][ T12] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.723131][ T17] usb 3-1: SerialNumber: syz [ 20.731106][ T12] usb 4-1: Product: syz [ 20.735738][ T352] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 20.739856][ T12] usb 4-1: Manufacturer: syz [ 20.748866][ T352] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 20.753435][ T12] usb 4-1: SerialNumber: syz [ 20.761592][ T352] usb 6-1: Product: syz [ 20.770347][ T352] usb 6-1: Manufacturer: syz [ 20.774940][ T352] usb 6-1: SerialNumber: syz [ 20.780869][ T21] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 20.837083][ T5] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 20.837114][ T352] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 20.849503][ T12] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 20.854541][ T68] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 20.871763][ T17] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 21.395908][ T21] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 21.465905][ T17] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 21.475201][ T352] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 21.484305][ T68] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 21.495881][ T12] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 21.505076][ T5] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 22.425239][ T21] ath9k_htc 2-1:1.0: ath9k_htc: Target is unresponsive [ 22.432572][ T21] ath9k_htc: Failed to initialize the device [ 22.438920][ C1] ================================================================== [ 22.439027][ C1] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439039][ C1] Read of size 4 at addr ffff8881cc914090 by task kworker/1:1/21 [ 22.439043][ C1] [ 22.439059][ C1] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc1-syzkaller #0 [ 22.439068][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.439083][ C1] Workqueue: events request_firmware_work_func [ 22.439091][ C1] Call Trace: [ 22.439097][ C1] [ 22.439114][ C1] dump_stack+0xf6/0x16e [ 22.439130][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439144][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439160][ C1] print_address_description.constprop.0.cold+0xd3/0x415 [ 22.439172][ C1] ? __alloc_skb+0x3a7/0x5a0 [ 22.439185][ C1] ? vprintk_func+0x93/0x133 [ 22.439199][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439212][ C1] kasan_report.cold+0x37/0x7c [ 22.439226][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439240][ C1] ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.439255][ C1] ? hif_usb_mgmt_cb+0x310/0x310 [ 22.439271][ C1] ? do_raw_spin_lock+0x120/0x290 [ 22.439283][ C1] ? lock_downgrade+0x720/0x720 [ 22.439297][ C1] ? trace_hardirqs_off+0x27/0x1f0 [ 22.439315][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 22.439330][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 22.439345][ C1] dummy_timer+0x125e/0x32b4 [ 22.439362][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.439377][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.439392][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.439406][ C1] call_timer_fn+0x1ac/0x6e0 [ 22.439422][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.439436][ C1] ? msleep_interruptible+0x130/0x130 [ 22.439449][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 22.439464][ C1] ? lockdep_hardirqs_on_prepare+0x1bc/0x550 [ 22.439476][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.439490][ C1] run_timer_softirq+0x5e5/0x14c0 [ 22.439504][ C1] ? add_timer+0x7b0/0x7b0 [ 22.439526][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.439542][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.439557][ C1] ? lockdep_hardirqs_on_prepare+0x1bc/0x550 [ 22.439572][ C1] __do_softirq+0x21e/0x996 [ 22.439592][ C1] asm_call_on_stack+0xf/0x20 [ 22.439598][ C1] [ 22.439618][ C1] do_softirq_own_stack+0x109/0x140 [ 22.439634][ C1] irq_exit_rcu+0x16f/0x1a0 [ 22.439650][ C1] sysvec_apic_timer_interrupt+0xd3/0x1b0 [ 22.439666][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 22.439689][ C1] RIP: 0010:console_unlock+0xa62/0xc90 [ 22.439704][ C1] Code: 00 89 ee 48 c7 c7 20 c2 34 87 e8 69 b8 03 00 65 ff 0d 32 bb d8 7e e9 be f9 ff ff e8 68 39 16 00 e8 73 9d 1b 00 ff 74 24 30 9d 20 fe ff ff e8 54 39 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 22.439713][ C1] RSP: 0018:ffff8881da317a30 EFLAGS: 00000293 [ 22.439725][ C1] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1014efa [ 22.439735][ C1] RDX: 1ffff1103b449d87 RSI: 0000000000000000 RDI: ffff8881da24ec38 [ 22.439743][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 22.439753][ C1] R10: ffffffff895a3667 R11: fffffbfff12b46cc R12: ffffffff82ac0070 [ 22.439763][ C1] R13: ffffffff876f1d10 R14: 0000000000000042 R15: dffffc0000000000 [ 22.439780][ C1] ? netconsole_netdev_event+0x2a0/0x2a0 [ 22.439797][ C1] vprintk_emit+0x16d/0x3d0 [ 22.439809][ C1] vprintk_func+0x8b/0x133 [ 22.439821][ C1] printk+0xba/0xed [ 22.439833][ C1] ? log_store.cold+0x16/0x16 [ 22.439845][ C1] ? usb_submit_urb+0x6ed/0x1460 [ 22.439858][ C1] ? usb_free_urb.part.0+0x52/0x110 [ 22.439871][ C1] ? ath9k_htc_hw_init.cold+0x5/0x22 [ 22.439884][ C1] ? ath9k_htc_hw_init+0x3d/0x60 [ 22.439895][ C1] ath9k_htc_hw_init.cold+0x17/0x22 [ 22.439909][ C1] ath9k_hif_usb_firmware_cb+0x274/0x510 [ 22.439924][ C1] ? ath9k_hif_usb_disconnect+0x420/0x420 [ 22.439937][ C1] request_firmware_work_func+0x126/0x242 [ 22.439957][ C1] ? request_firmware_into_buf+0x90/0x90 [ 22.439970][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.439984][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.440000][ C1] process_one_work+0x965/0x1620 [ 22.440014][ C1] ? lock_release+0x710/0x710 [ 22.440029][ C1] ? pwq_dec_nr_in_flight+0x310/0x310 [ 22.440043][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 22.440057][ C1] worker_thread+0x96/0xe10 [ 22.440073][ C1] ? process_one_work+0x1620/0x1620 [ 22.440087][ C1] kthread+0x352/0x460 [ 22.440102][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 22.440116][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 22.440128][ C1] ret_from_fork+0x1f/0x30 [ 22.440133][ C1] [ 22.440165][ C1] general protection fault, probably for non-canonical address 0xdead000000000400: 0000 [#1] SMP KASAN [ 22.440177][ C1] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.8.0-rc1-syzkaller #0 [ 22.440184][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.440194][ C1] Workqueue: events request_firmware_work_func [ 22.440211][ C1] RIP: 0010:print_address_description.constprop.0.cold+0x124/0x415 [ 22.440231][ C1] Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 5b ff a7 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 55 ff a7 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f [ 22.440237][ C1] RSP: 0018:ffff8881db309850 EFLAGS: 00010086 [ 22.440247][ C1] RAX: ffff8881cc914090 RBX: 0000000000000004 RCX: ffff8881cc914000 [ 22.440254][ C1] RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103b6612fc [ 22.440261][ C1] RBP: ffffea0007324500 R08: 0000000000000000 R09: ffffed103b663fd2 [ 22.440268][ C1] R10: ffff8881db31fe8b R11: ffffed103b663fd1 R12: ffff8881cc914090 [ 22.440276][ C1] R13: dead000000000400 R14: ffffffff82dc3184 R15: ffff8881cc913100 [ 22.440291][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 22.440305][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.440315][ C1] CR2: 000000002000223c CR3: 00000001d98ef000 CR4: 00000000001406e0 [ 22.440326][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.440332][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.440335][ C1] Call Trace: [ 22.440339][ C1] [ 22.440351][ C1] ? __alloc_skb+0x3a7/0x5a0 [ 22.440361][ C1] ? vprintk_func+0x93/0x133 [ 22.440374][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.440389][ C1] kasan_report.cold+0x37/0x7c [ 22.440402][ C1] ? ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.440415][ C1] ath9k_hif_usb_rx_cb+0xdb4/0x1050 [ 22.440428][ C1] ? hif_usb_mgmt_cb+0x310/0x310 [ 22.440441][ C1] ? do_raw_spin_lock+0x120/0x290 [ 22.440452][ C1] ? lock_downgrade+0x720/0x720 [ 22.440462][ C1] ? trace_hardirqs_off+0x27/0x1f0 [ 22.440477][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 22.440490][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 22.440503][ C1] dummy_timer+0x125e/0x32b4 [ 22.440520][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.440534][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.440548][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.440559][ C1] call_timer_fn+0x1ac/0x6e0 [ 22.440570][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.440579][ C1] ? msleep_interruptible+0x130/0x130 [ 22.440589][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 22.440600][ C1] ? lockdep_hardirqs_on_prepare+0x1bc/0x550 [ 22.440611][ C1] ? dummy_udc_probe+0x980/0x980 [ 22.440620][ C1] run_timer_softirq+0x5e5/0x14c0 [ 22.440631][ C1] ? add_timer+0x7b0/0x7b0 [ 22.440645][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.440658][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.440671][ C1] ? lockdep_hardirqs_on_prepare+0x1bc/0x550 [ 22.440682][ C1] __do_softirq+0x21e/0x996 [ 22.440694][ C1] asm_call_on_stack+0xf/0x20 [ 22.440698][ C1] [ 22.440711][ C1] do_softirq_own_stack+0x109/0x140 [ 22.440731][ C1] irq_exit_rcu+0x16f/0x1a0 [ 22.440745][ C1] sysvec_apic_timer_interrupt+0xd3/0x1b0 [ 22.440759][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 22.440781][ C1] RIP: 0010:console_unlock+0xa62/0xc90 [ 22.440794][ C1] Code: 00 89 ee 48 c7 c7 20 c2 34 87 e8 69 b8 03 00 65 ff 0d 32 bb d8 7e e9 be f9 ff ff e8 68 39 16 00 e8 73 9d 1b 00 ff 74 24 30 9d 20 fe ff ff e8 54 39 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 [ 22.440801][ C1] RSP: 0018:ffff8881da317a30 EFLAGS: 00000293 [ 22.440810][ C1] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1014efa [ 22.440818][ C1] RDX: 1ffff1103b449d87 RSI: 0000000000000000 RDI: ffff8881da24ec38 [ 22.440825][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 22.440833][ C1] R10: ffffffff895a3667 R11: fffffbfff12b46cc R12: ffffffff82ac0070 [ 22.440840][ C1] R13: ffffffff876f1d10 R14: 0000000000000042 R15: dffffc0000000000 [ 22.440856][ C1] ? netconsole_netdev_event+0x2a0/0x2a0 [ 22.440872][ C1] vprintk_emit+0x16d/0x3d0 [ 22.440882][ C1] vprintk_func+0x8b/0x133 [ 22.440893][ C1] printk+0xba/0xed [ 22.440904][ C1] ? log_store.cold+0x16/0x16 [ 22.440915][ C1] ? usb_submit_urb+0x6ed/0x1460 [ 22.440926][ C1] ? usb_free_urb.part.0+0x52/0x110 [ 22.440936][ C1] ? ath9k_htc_hw_init.cold+0x5/0x22 [ 22.440956][ C1] ? ath9k_htc_hw_init+0x3d/0x60 [ 22.440970][ C1] ath9k_htc_hw_init.cold+0x17/0x22 [ 22.440983][ C1] ath9k_hif_usb_firmware_cb+0x274/0x510 [ 22.440998][ C1] ? ath9k_hif_usb_disconnect+0x420/0x420 [ 22.441010][ C1] request_firmware_work_func+0x126/0x242 [ 22.441022][ C1] ? request_firmware_into_buf+0x90/0x90 [ 22.441035][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.441049][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.441064][ C1] process_one_work+0x965/0x1620 [ 22.441077][ C1] ? lock_release+0x710/0x710 [ 22.441092][ C1] ? pwq_dec_nr_in_flight+0x310/0x310 [ 22.441105][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 22.441120][ C1] worker_thread+0x96/0xe10 [ 22.441136][ C1] ? process_one_work+0x1620/0x1620 [ 22.441146][ C1] kthread+0x352/0x460 [ 22.441159][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 22.441179][ C1] ? kthread_create_on_node+0xf0/0xf0 [ 22.441190][ C1] ret_from_fork+0x1f/0x30 [ 22.441194][ C1] Modules linked in: [ 22.441216][ C1] ---[ end trace bfc6ba8dc96a59e1 ]--- [ 22.441232][ C1] RIP: 0010:print_address_description.constprop.0.cold+0x124/0x415 [ 22.441245][ C1] Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 5b ff a7 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 55 ff a7 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f [ 22.441251][ C1] RSP: 0018:ffff8881db309850 EFLAGS: 00010086 [ 22.441261][ C1] RAX: ffff8881cc914090 RBX: 0000000000000004 RCX: ffff8881cc914000 [ 22.441269][ C1] RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103b6612fc [ 22.441277][ C1] RBP: ffffea0007324500 R08: 0000000000000000 R09: ffffed103b663fd2 [ 22.441285][ C1] R10: ffff8881db31fe8b R11: ffffed103b663fd1 R12: ffff8881cc914090 [ 22.441298][ C1] R13: dead000000000400 R14: ffffffff82dc3184 R15: ffff8881cc913100 [ 22.441308][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 22.441318][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.441326][ C1] CR2: 000000002000223c CR3: 00000001d98ef000 CR4: 00000000001406e0 [ 22.441332][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.441340][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.441347][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 22.442237][ C1] Kernel Offset: disabled [ 23.566360][ C1] Rebooting in 86400 seconds..