[[0;32m OK [0m] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 14.600424][ C1] random: crng init done
[ 14.604733][ C1] random: 7 urandom warning(s) missed due to ratelimiting
Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts.
executing program
[ 32.236271][ T53] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 32.756034][ T53] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 32.765175][ T53] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 32.773248][ T53] usb 1-1: Product: syz
[ 32.777468][ T53] usb 1-1: Manufacturer: syz
[ 32.782067][ T53] usb 1-1: SerialNumber: syz
[ 32.836770][ T53] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 33.475707][ T53] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 33.915523][ C1] ==================================================================
[ 33.923700][ C1] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 33.931306][ C1] Read of size 49332 at addr ffff8881cd090000 by task swapper/1/0
[ 33.939092][ C1]
[ 33.941405][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.9.0-syzkaller #0
[ 33.948932][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 33.958973][ C1] Call Trace:
[ 33.962232][ C1]
[ 33.965065][ C1] dump_stack+0x107/0x163
[ 33.969377][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 33.974706][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 33.980033][ C1] print_address_description.constprop.0+0x1c/0x210
[ 33.986620][ C1] ? lock_acquire+0x1a7/0x830
[ 33.991273][ C1] ? ath9k_hif_usb_rx_cb+0x23e/0xf80
[ 33.996557][ C1] ? vprintk_func+0x93/0x140
[ 34.001134][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.006399][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.011663][ C1] kasan_report.cold+0x37/0x7c
[ 34.016433][ C1] ? rwlock_bug.part.0+0x40/0x90
[ 34.021350][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.026623][ C1] check_memory_region+0xf4/0x1c0
[ 34.031635][ C1] memcpy+0x20/0x60
[ 34.035443][ C1] ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.040546][ C1] ? lock_acquire+0x1a7/0x830
[ 34.045219][ C1] ? kcov_remote_start+0xce/0x400
[ 34.050237][ C1] ? hif_usb_start+0xa0/0xa0
[ 34.054804][ C1] ? __usb_hcd_giveback_urb+0x302/0x560
[ 34.060325][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 34.065161][ C1] __usb_hcd_giveback_urb+0x32d/0x560
[ 34.070514][ C1] usb_hcd_giveback_urb+0x367/0x410
[ 34.075689][ C1] dummy_timer+0x11f2/0x3240
[ 34.080257][ C1] ? __lock_acquire+0x16ae/0x5a60
[ 34.085362][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.090113][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.094852][ C1] call_timer_fn+0x1a5/0x630
[ 34.099431][ C1] ? timer_fixup_init+0x60/0x60
[ 34.104270][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 34.109109][ C1] ? lockdep_hardirqs_on_prepare+0x129/0x3e0
[ 34.115063][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.119816][ C1] __run_timers.part.0+0x67c/0xa10
[ 34.124917][ C1] ? call_timer_fn+0x630/0x630
[ 34.130360][ C1] ? lapic_next_event+0x4d/0x80
[ 34.135207][ C1] ? clockevents_program_event+0x12b/0x350
[ 34.140988][ C1] ? tick_program_event+0xa8/0x130
[ 34.146075][ C1] ? hrtimer_interrupt+0x6c0/0x8f0
[ 34.151247][ C1] run_timer_softirq+0x80/0x120
[ 34.156087][ C1] __do_softirq+0x1b1/0x8d1
[ 34.161326][ C1] asm_call_irq_on_stack+0xf/0x20
[ 34.166346][ C1]
[ 34.169278][ C1] do_softirq_own_stack+0x80/0xa0
[ 34.174279][ C1] irq_exit_rcu+0x110/0x1a0
[ 34.178778][ C1] sysvec_apic_timer_interrupt+0x43/0xa0
[ 34.184389][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 34.190346][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250
[ 34.196139][ C1] Code: 4d ce 83 fb 84 db 75 ac e8 d4 d5 83 fb e8 ff 69 89 fb e9 0c 00 00 00 e8 c5 d5 83 fb 0f 00 2d 9e ac 69 00 e8 b9 d5 83 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 ce 83 fb 48 85 db
[ 34.215738][ C1] RSP: 0018:ffff8881da257d18 EFLAGS: 00000293
[ 34.221786][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff103af21
[ 34.229733][ C1] RDX: ffff8881da23b280 RSI: ffffffff85bb48e7 RDI: ffffffff85bb48d1
[ 34.237681][ C1] RBP: ffff8881da376864 R08: 0000000000000001 R09: 0000000000000001
[ 34.245628][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 34.253590][ C1] R13: ffff8881da376800 R14: ffff8881da376864 R15: ffff8881d6f70004
[ 34.261560][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 34.266732][ C1] ? acpi_idle_do_entry+0x1b1/0x250
[ 34.271921][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 34.277107][ C1] acpi_idle_enter+0x337/0x490
[ 34.281862][ C1] cpuidle_enter_state+0x1a2/0xa80
[ 34.286948][ C1] cpuidle_enter+0x4a/0xa0
[ 34.291355][ C1] do_idle+0x3d5/0x580
[ 34.295401][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 34.300402][ C1] cpu_startup_entry+0x14/0x20
[ 34.305159][ C1] start_secondary+0x25b/0x320
[ 34.309906][ C1] ? set_cpu_sibling_map+0x1ff0/0x1ff0
[ 34.315341][ C1] secondary_startup_64_no_verify+0xb8/0xbb
[ 34.321223][ C1]
[ 34.323527][ C1] The buggy address belongs to the page:
[ 34.329150][ C1] page:00000000943d31c9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1cd090
[ 34.339356][ C1] head:00000000943d31c9 order:3 compound_mapcount:0 compound_pincount:0
[ 34.347653][ C1] flags: 0x200000000010000(head)
[ 34.352571][ C1] raw: 0200000000010000 dead000000000100 dead000000000122 0000000000000000
[ 34.361130][ C1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[ 34.369696][ C1] page dumped because: kasan: bad access detected
[ 34.376078][ C1]
[ 34.378382][ C1] Memory state around the buggy address:
[ 34.383987][ C1] ffff8881cd097f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 34.392023][ C1] ffff8881cd097f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 34.400058][ C1] >ffff8881cd098000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.408090][ C1] ^
[ 34.412145][ C1] ffff8881cd098080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.420198][ C1] ffff8881cd098100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.428250][ C1] ==================================================================
[ 34.436303][ C1] Disabling lock debugging due to kernel taint
[ 34.442435][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 34.449029][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.9.0-syzkaller #0
[ 34.458100][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 34.468123][ C1] Call Trace:
[ 34.471380][ C1]
[ 34.474221][ C1] dump_stack+0x107/0x163
[ 34.478524][ C1] ? ath9k_hif_usb_rx_cb+0x2c0/0xf80
[ 34.483795][ C1] panic+0x2cb/0x702
[ 34.487671][ C1] ? __warn_printk+0xf3/0xf3
[ 34.492245][ C1] ? do_raw_spin_unlock+0x50/0x1f0
[ 34.497327][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.502595][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.507852][ C1] end_report+0x58/0x5e
[ 34.511977][ C1] kasan_report.cold+0x72/0x7c
[ 34.516710][ C1] ? rwlock_bug.part.0+0x40/0x90
[ 34.521616][ C1] ? ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.526872][ C1] check_memory_region+0xf4/0x1c0
[ 34.531878][ C1] memcpy+0x20/0x60
[ 34.535675][ C1] ath9k_hif_usb_rx_cb+0x3a8/0xf80
[ 34.540769][ C1] ? lock_acquire+0x1a7/0x830
[ 34.545425][ C1] ? kcov_remote_start+0xce/0x400
[ 34.550418][ C1] ? hif_usb_start+0xa0/0xa0
[ 34.554977][ C1] ? __usb_hcd_giveback_urb+0x302/0x560
[ 34.560502][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 34.565322][ C1] __usb_hcd_giveback_urb+0x32d/0x560
[ 34.570663][ C1] usb_hcd_giveback_urb+0x367/0x410
[ 34.575844][ C1] dummy_timer+0x11f2/0x3240
[ 34.580404][ C1] ? __lock_acquire+0x16ae/0x5a60
[ 34.585412][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.590145][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.594878][ C1] call_timer_fn+0x1a5/0x630
[ 34.599449][ C1] ? timer_fixup_init+0x60/0x60
[ 34.604279][ C1] ? lock_downgrade+0x6d0/0x6d0
[ 34.609104][ C1] ? lockdep_hardirqs_on_prepare+0x129/0x3e0
[ 34.615055][ C1] ? dummy_dequeue+0x4c0/0x4c0
[ 34.619794][ C1] __run_timers.part.0+0x67c/0xa10
[ 34.624877][ C1] ? call_timer_fn+0x630/0x630
[ 34.629627][ C1] ? lapic_next_event+0x4d/0x80
[ 34.634454][ C1] ? clockevents_program_event+0x12b/0x350
[ 34.640243][ C1] ? tick_program_event+0xa8/0x130
[ 34.645325][ C1] ? hrtimer_interrupt+0x6c0/0x8f0
[ 34.650407][ C1] run_timer_softirq+0x80/0x120
[ 34.655231][ C1] __do_softirq+0x1b1/0x8d1
[ 34.660693][ C1] asm_call_irq_on_stack+0xf/0x20
[ 34.665700][ C1]
[ 34.668615][ C1] do_softirq_own_stack+0x80/0xa0
[ 34.673618][ C1] irq_exit_rcu+0x110/0x1a0
[ 34.678100][ C1] sysvec_apic_timer_interrupt+0x43/0xa0
[ 34.683716][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 34.689679][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250
[ 34.695465][ C1] Code: 4d ce 83 fb 84 db 75 ac e8 d4 d5 83 fb e8 ff 69 89 fb e9 0c 00 00 00 e8 c5 d5 83 fb 0f 00 2d 9e ac 69 00 e8 b9 d5 83 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 ce 83 fb 48 85 db
[ 34.715055][ C1] RSP: 0018:ffff8881da257d18 EFLAGS: 00000293
[ 34.721096][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff103af21
[ 34.729048][ C1] RDX: ffff8881da23b280 RSI: ffffffff85bb48e7 RDI: ffffffff85bb48d1
[ 34.736997][ C1] RBP: ffff8881da376864 R08: 0000000000000001 R09: 0000000000000001
[ 34.744947][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[ 34.752903][ C1] R13: ffff8881da376800 R14: ffff8881da376864 R15: ffff8881d6f70004
[ 34.760855][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 34.766022][ C1] ? acpi_idle_do_entry+0x1b1/0x250
[ 34.771192][ C1] ? acpi_idle_do_entry+0x1c7/0x250
[ 34.776373][ C1] acpi_idle_enter+0x337/0x490
[ 34.781107][ C1] cpuidle_enter_state+0x1a2/0xa80
[ 34.786194][ C1] cpuidle_enter+0x4a/0xa0
[ 34.790581][ C1] do_idle+0x3d5/0x580
[ 34.794617][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 34.799616][ C1] cpu_startup_entry+0x14/0x20
[ 34.804356][ C1] start_secondary+0x25b/0x320
[ 34.809099][ C1] ? set_cpu_sibling_map+0x1ff0/0x1ff0
[ 34.814526][ C1] secondary_startup_64_no_verify+0xb8/0xbb
[ 34.820938][ C1] Kernel Offset: disabled
[ 34.825246][ C1] Rebooting in 86400 seconds..