Starting getty on tty2-tty6 if dbus and logind are not available... Starting System Logging Service... Starting Permit User Sessions... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. executing program [ 81.791692][ T37] audit: type=1400 audit(1618132186.604:8): avc: denied { execmem } for pid=8401 comm="syz-executor993" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 82.068402][ T3705] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 82.368723][ T3705] usb 1-1: too many configurations: 49, using maximum allowed: 8 [ 83.178396][ T3705] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 83.188063][ T3705] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 83.197577][ T3705] usb 1-1: Product: syz [ 83.202460][ T3705] usb 1-1: Manufacturer: syz [ 83.207584][ T3705] usb 1-1: SerialNumber: syz [ 83.275958][ T3705] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 83.888270][ T3705] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 84.298268][ C1] ================================================================== [ 84.307893][ C1] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.316826][ C1] Read of size 41740 at addr ffff888039690000 by task swapper/1/0 [ 84.325784][ C1] [ 84.329483][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.12.0-rc6-syzkaller #0 [ 84.337468][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.348534][ C1] Call Trace: [ 84.351905][ C1] [ 84.354831][ C1] dump_stack+0x141/0x1d7 [ 84.359448][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.365341][ C1] print_address_description.constprop.0.cold+0x5b/0x2c6 [ 84.372634][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.379173][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.384814][ C1] kasan_report.cold+0x7c/0xd8 [ 84.390130][ C1] ? spin_bug+0xc0/0x100 [ 84.395395][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.401005][ C1] kasan_check_range+0x13d/0x180 [ 84.406403][ C1] memcpy+0x20/0x60 [ 84.410471][ C1] ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.415876][ C1] ? hif_usb_start+0xa0/0xa0 [ 84.421001][ C1] ? __usb_hcd_giveback_urb+0x413/0x5c0 [ 84.426663][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 84.431714][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 84.437303][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 84.443059][ C1] dummy_timer+0x11f4/0x32a0 [ 84.447915][ C1] ? dummy_dequeue+0x500/0x500 [ 84.452855][ C1] ? dummy_dequeue+0x500/0x500 [ 84.457718][ C1] call_timer_fn+0x1a5/0x6b0 [ 84.462914][ C1] ? add_timer_on+0x4a0/0x4a0 [ 84.467963][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 84.472821][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.480029][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.485540][ C1] ? dummy_dequeue+0x500/0x500 [ 84.490508][ C1] __run_timers.part.0+0x67c/0xa50 [ 84.495829][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 84.500676][ C1] ? lapic_next_event+0x4d/0x80 [ 84.505774][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 84.511171][ C1] ? sched_clock+0x2a/0x40 [ 84.516279][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 84.521617][ C1] run_timer_softirq+0xb3/0x1d0 [ 84.526846][ C1] __do_softirq+0x29b/0x9f6 [ 84.531638][ C1] irq_exit_rcu+0x134/0x200 [ 84.536387][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 84.542491][ C1] [ 84.545897][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 84.552328][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 84.558691][ C1] Code: 2d 9d 6d f8 84 db 75 ac e8 14 95 6d f8 e8 df 84 73 f8 e9 0c 00 00 00 e8 05 95 6d f8 0f 00 2d 5e 21 c7 00 e8 f9 94 6d f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a4 9b 6d f8 48 85 db [ 84.580359][ C1] RSP: 0018:ffffc90000d6fd18 EFLAGS: 00000293 [ 84.586438][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.594773][ C1] RDX: ffff8880116de040 RSI: ffffffff890590c7 RDI: 0000000000000000 [ 84.602927][ C1] RBP: ffff8880158e4064 R08: 0000000000000001 R09: 0000000000000001 [ 84.611010][ C1] R10: ffffffff817915c8 R11: 0000000000000000 R12: 0000000000000001 [ 84.619375][ C1] R13: ffff8880158e4000 R14: ffff8880158e4064 R15: ffff88814373f804 [ 84.627811][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 84.633028][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 84.638555][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 84.644161][ C1] acpi_idle_enter+0x361/0x500 [ 84.649938][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 84.655175][ C1] cpuidle_enter+0x4a/0xa0 [ 84.659814][ C1] do_idle+0x3e1/0x590 [ 84.664013][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 84.669637][ C1] cpu_startup_entry+0x14/0x20 [ 84.674542][ C1] start_secondary+0x274/0x350 [ 84.679495][ C1] ? set_cpu_sibling_map+0x2460/0x2460 [ 84.685578][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 84.691491][ C1] [ 84.694009][ C1] Allocated by task 3705: [ 84.699475][ C1] kasan_save_stack+0x1b/0x40 [ 84.704512][ C1] __kasan_kmalloc+0x96/0xc0 [ 84.709205][ C1] __alloc_skb+0xde/0x340 [ 84.713895][ C1] ath9k_hif_usb_alloc_urbs+0x665/0x1040 [ 84.720327][ C1] ath9k_hif_usb_firmware_cb+0x148/0x530 [ 84.726247][ C1] request_firmware_work_func+0x12c/0x230 [ 84.733706][ C1] process_one_work+0x98d/0x1600 [ 84.739275][ C1] worker_thread+0x64c/0x1120 [ 84.744055][ C1] kthread+0x3b1/0x4a0 [ 84.748404][ C1] ret_from_fork+0x1f/0x30 [ 84.753473][ C1] [ 84.755873][ C1] The buggy address belongs to the object at ffff888039690000 [ 84.755873][ C1] which belongs to the cache kmalloc-32k of size 32768 [ 84.770982][ C1] The buggy address is located 0 bytes inside of [ 84.770982][ C1] 32768-byte region [ffff888039690000, ffff888039698000) [ 84.784643][ C1] The buggy address belongs to the page: [ 84.790704][ C1] page:ffffea0000e5a400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x39690 [ 84.802312][ C1] head:ffffea0000e5a400 order:4 compound_mapcount:0 compound_pincount:0 [ 84.811157][ C1] flags: 0xfff00000010200(slab|head) [ 84.816575][ C1] raw: 00fff00000010200 ffffea0000e5a008 ffffea0000e5a808 ffff888010840c00 [ 84.825641][ C1] raw: 0000000000000000 ffff888039690000 0000000100000001 0000000000000000 [ 84.834837][ C1] page dumped because: kasan: bad access detected [ 84.841387][ C1] [ 84.843808][ C1] Memory state around the buggy address: [ 84.849609][ C1] ffff888039697f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.857664][ C1] ffff888039697f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.866270][ C1] >ffff888039698000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 84.874518][ C1] ^ [ 84.878928][ C1] ffff888039698080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 84.887652][ C1] ffff888039698100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 84.896311][ C1] ================================================================== [ 84.904741][ C1] Disabling lock debugging due to kernel taint [ 84.911031][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 84.917808][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 84.927911][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.938318][ C1] Call Trace: [ 84.941619][ C1] [ 84.944567][ C1] dump_stack+0x141/0x1d7 [ 84.948922][ C1] panic+0x306/0x73d [ 84.952817][ C1] ? __warn_printk+0xf3/0xf3 [ 84.957583][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.963138][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.968596][ C1] end_report.cold+0x5a/0x5a [ 84.973361][ C1] kasan_report.cold+0x6a/0xd8 [ 84.978307][ C1] ? spin_bug+0xc0/0x100 [ 84.982651][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 84.988389][ C1] kasan_check_range+0x13d/0x180 [ 84.993754][ C1] memcpy+0x20/0x60 [ 84.997642][ C1] ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 85.003415][ C1] ? hif_usb_start+0xa0/0xa0 [ 85.008629][ C1] ? __usb_hcd_giveback_urb+0x413/0x5c0 [ 85.014528][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 85.019830][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 85.025391][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 85.030952][ C1] dummy_timer+0x11f4/0x32a0 [ 85.035715][ C1] ? dummy_dequeue+0x500/0x500 [ 85.040469][ C1] ? dummy_dequeue+0x500/0x500 [ 85.045397][ C1] call_timer_fn+0x1a5/0x6b0 [ 85.050075][ C1] ? add_timer_on+0x4a0/0x4a0 [ 85.055039][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 85.060061][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 85.066715][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.072087][ C1] ? dummy_dequeue+0x500/0x500 [ 85.077107][ C1] __run_timers.part.0+0x67c/0xa50 [ 85.082304][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 85.087154][ C1] ? lapic_next_event+0x4d/0x80 [ 85.092526][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 85.098325][ C1] ? sched_clock+0x2a/0x40 [ 85.102742][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 85.108191][ C1] run_timer_softirq+0xb3/0x1d0 [ 85.113292][ C1] __do_softirq+0x29b/0x9f6 [ 85.118294][ C1] irq_exit_rcu+0x134/0x200 [ 85.123001][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 85.130213][ C1] [ 85.133221][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 85.139375][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 85.145355][ C1] Code: 2d 9d 6d f8 84 db 75 ac e8 14 95 6d f8 e8 df 84 73 f8 e9 0c 00 00 00 e8 05 95 6d f8 0f 00 2d 5e 21 c7 00 e8 f9 94 6d f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a4 9b 6d f8 48 85 db [ 85.166825][ C1] RSP: 0018:ffffc90000d6fd18 EFLAGS: 00000293 [ 85.175558][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 85.184769][ C1] RDX: ffff8880116de040 RSI: ffffffff890590c7 RDI: 0000000000000000 [ 85.193190][ C1] RBP: ffff8880158e4064 R08: 0000000000000001 R09: 0000000000000001 [ 85.201517][ C1] R10: ffffffff817915c8 R11: 0000000000000000 R12: 0000000000000001 [ 85.209581][ C1] R13: ffff8880158e4000 R14: ffff8880158e4064 R15: ffff88814373f804 [ 85.217656][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 85.222699][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 85.228023][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 85.233299][ C1] acpi_idle_enter+0x361/0x500 [ 85.238496][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 85.244105][ C1] cpuidle_enter+0x4a/0xa0 [ 85.249041][ C1] do_idle+0x3e1/0x590 [ 85.253284][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 85.258761][ C1] cpu_startup_entry+0x14/0x20 [ 85.263977][ C1] start_secondary+0x274/0x350 [ 85.268909][ C1] ? set_cpu_sibling_map+0x2460/0x2460 [ 85.275160][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 85.282843][ C1] Kernel Offset: disabled [ 85.287676][ C1] Rebooting in 86400 seconds..