Starting Update UTMP about System Runlevel Changes... [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.083250][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.603170][ T95] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 40.612316][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 40.620406][ T95] usb 1-1: Product: syz [ 40.624639][ T95] usb 1-1: Manufacturer: syz [ 40.629233][ T95] usb 1-1: SerialNumber: syz [ 40.674219][ T95] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 41.292906][ T95] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 executing program [ 41.694850][ T83] usb 1-1: USB disconnect, device number 2 [ 42.322519][ T95] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 42.329715][ T95] ath9k_htc: Failed to initialize the device [ 42.337047][ T83] usb 1-1: ath9k_htc: USB layer deinitialized [ 42.702452][ T83] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 43.222386][ T83] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 43.231458][ T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 43.239516][ T83] usb 1-1: Product: syz [ 43.243864][ T83] usb 1-1: Manufacturer: syz [ 43.248511][ T83] usb 1-1: SerialNumber: syz [ 43.293824][ T83] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 43.862218][ T83] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 executing program [ 44.263998][ T17] usb 1-1: USB disconnect, device number 3 [ 44.881889][ T83] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 44.888872][ T83] ath9k_htc: Failed to initialize the device [ 44.895981][ T17] usb 1-1: ath9k_htc: USB layer deinitialized [ 45.251778][ T17] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 45.771776][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 45.780859][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 45.788945][ T17] usb 1-1: Product: syz [ 45.793181][ T17] usb 1-1: Manufacturer: syz [ 45.797777][ T17] usb 1-1: SerialNumber: syz [ 45.842384][ T17] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 46.411609][ T17] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 executing program [ 46.813067][ T83] usb 1-1: USB disconnect, device number 4 [ 47.441280][ T17] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 47.448239][ T17] ath9k_htc: Failed to initialize the device [ 47.455477][ T83] usb 1-1: ath9k_htc: USB layer deinitialized [ 47.811234][ T83] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 48.331259][ T83] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 48.341502][ T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 48.349530][ T83] usb 1-1: Product: syz [ 48.353834][ T83] usb 1-1: Manufacturer: syz [ 48.358534][ T83] usb 1-1: SerialNumber: syz [ 48.401700][ T83] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 48.971090][ T83] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 executing program [ 49.372388][ T17] usb 1-1: USB disconnect, device number 5 [ 50.000797][ T83] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 50.007870][ T83] ath9k_htc: Failed to initialize the device [ 50.014426][ T17] usb 1-1: ath9k_htc: USB layer deinitialized [ 50.370755][ T17] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 50.890753][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 50.899792][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 50.908486][ T17] usb 1-1: Product: syz [ 50.912736][ T17] usb 1-1: Manufacturer: syz [ 50.917313][ T17] usb 1-1: SerialNumber: syz [ 50.961599][ T17] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 51.530673][ T17] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 51.750642][ C1] ================================================================== [ 51.758823][ C1] BUG: KASAN: slab-out-of-bounds in ath9k_htc_rx_msg+0xa25/0xaf0 [ 51.766531][ C1] Write of size 2 at addr ffff8881cc774420 by task swapper/1/0 [ 51.774323][ C1] [ 51.776657][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc6-syzkaller #0 [ 51.784536][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.794571][ C1] Call Trace: [ 51.797849][ C1] [ 51.800685][ C1] dump_stack+0xef/0x16e [ 51.805432][ C1] print_address_description.constprop.0.cold+0xd3/0x415 [ 51.812438][ C1] ? vprintk_func+0x7d/0x113 [ 51.817009][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 51.822024][ C1] __kasan_report.cold+0x37/0x7d [ 51.827039][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 51.832046][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 51.837077][ C1] kasan_report+0x33/0x50 [ 51.841388][ C1] ath9k_htc_rx_msg+0xa25/0xaf0 [ 51.846248][ C1] ath9k_hif_usb_reg_in_cb+0x1c0/0x630 [ 51.851696][ C1] ? trace_hardirqs_off+0x50/0x200 [ 51.856801][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 51.862180][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 51.867366][ C1] dummy_timer+0x125e/0x32b4 [ 51.871937][ C1] ? dummy_udc_probe+0x980/0x980 [ 51.876881][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.882407][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 51.887774][ C1] call_timer_fn+0x1ac/0x700 [ 51.892373][ C1] ? dummy_udc_probe+0x980/0x980 executing program [ 51.897491][ C1] ? timer_fixup_init+0x60/0x60 [ 51.902495][ C1] ? lock_downgrade+0x720/0x720 [ 51.907344][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.913114][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 51.918729][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 51.923921][ C1] ? dummy_udc_probe+0x980/0x980 [ 51.929000][ C1] run_timer_softirq+0x5f9/0x1500 [ 51.932192][ T95] usb 1-1: USB disconnect, device number 6 [ 51.934025][ C1] ? add_timer+0x7a0/0x7a0 [ 51.944248][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.949845][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 51.955698][ C1] __do_softirq+0x21e/0x9aa [ 51.960291][ C1] irq_exit+0x178/0x1a0 [ 51.964434][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 51.969960][ C1] apic_timer_interrupt+0xf/0x20 [ 51.974870][ C1] [ 51.977827][ C1] RIP: 0010:default_idle+0x28/0x300 [ 51.983002][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 94 3f 6b 7a 41 54 55 53 0f 1f 44 00 00 e8 16 28 af fb e9 07 00 00 00 0f 00 2d 7a e1 4b 00 fb f4 <65> 44 8b 2d 70 3f 6b 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 52.002696][ C1] RSP: 0018:ffff8881da227da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 52.011093][ C1] RAX: 0000000000000007 RBX: ffff8881da20b180 RCX: 0000000000000000 [ 52.019149][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da20b9fc [ 52.027112][ C1] RBP: ffffed103b441630 R08: ffff8881da20b180 R09: 0000000000000000 [ 52.035156][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 52.043116][ C1] R13: 0000000000000001 R14: ffffffff87e88c40 R15: 0000000000000000 [ 52.051080][ C1] ? default_idle+0x1a/0x300 [ 52.055661][ C1] do_idle+0x3e0/0x500 [ 52.059709][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 52.064740][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 52.070539][ C1] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 52.075804][ C1] cpu_startup_entry+0x14/0x20 [ 52.080554][ C1] start_secondary+0x2ae/0x390 [ 52.085411][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90 [ 52.090939][ C1] secondary_startup_64+0xb6/0xc0 [ 52.095938][ C1] [ 52.098242][ C1] Allocated by task 0: [ 52.102281][ C1] (stack is not available) [ 52.106683][ C1] [ 52.109000][ C1] Freed by task 0: [ 52.112775][ C1] (stack is not available) [ 52.117200][ C1] [ 52.119520][ C1] The buggy address belongs to the object at ffff8881cc774000 [ 52.119520][ C1] which belongs to the cache kmalloc-2k of size 2048 [ 52.133768][ C1] The buggy address is located 1056 bytes inside of [ 52.133768][ C1] 2048-byte region [ffff8881cc774000, ffff8881cc774800) [ 52.147365][ C1] The buggy address belongs to the page: [ 52.153081][ C1] page:ffffea000731dc00 refcount:1 mapcount:0 mapping:00000000e3327b97 index:0x0 head:ffffea000731dc00 order:3 compound_mapcount:0 compound_pincount:0 [ 52.168248][ C1] flags: 0x200000000010200(slab|head) [ 52.173863][ C1] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000 [ 52.182436][ C1] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 52.191011][ C1] page dumped because: kasan: bad access detected [ 52.197400][ C1] [ 52.199713][ C1] Memory state around the buggy address: [ 52.205327][ C1] ffff8881cc774300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.213386][ C1] ffff8881cc774380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.221422][ C1] >ffff8881cc774400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.229463][ C1] ^ [ 52.234556][ C1] ffff8881cc774480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.242606][ C1] ffff8881cc774500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.250642][ C1] ================================================================== [ 52.258691][ C1] Disabling lock debugging due to kernel taint [ 52.265159][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 52.271718][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.7.0-rc6-syzkaller #0 [ 52.281759][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.291877][ C1] Call Trace: [ 52.295163][ C1] [ 52.298002][ C1] dump_stack+0xef/0x16e [ 52.302237][ C1] panic+0x2aa/0x6e1 [ 52.306120][ C1] ? add_taint.cold+0x16/0x16 [ 52.310792][ C1] ? trace_hardirqs_off+0x50/0x200 [ 52.315890][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 52.320921][ C1] end_report+0x4d/0x53 [ 52.325058][ C1] __kasan_report.cold+0x72/0x7d [ 52.329987][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 52.334985][ C1] ? ath9k_htc_rx_msg+0xa25/0xaf0 [ 52.340252][ C1] kasan_report+0x33/0x50 [ 52.344570][ C1] ath9k_htc_rx_msg+0xa25/0xaf0 [ 52.349401][ C1] ath9k_hif_usb_reg_in_cb+0x1c0/0x630 [ 52.355130][ C1] ? trace_hardirqs_off+0x50/0x200 [ 52.360227][ C1] __usb_hcd_giveback_urb+0x29a/0x550 [ 52.365678][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 52.370857][ C1] dummy_timer+0x125e/0x32b4 [ 52.375523][ C1] ? dummy_udc_probe+0x980/0x980 [ 52.380438][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.385974][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 52.391266][ C1] call_timer_fn+0x1ac/0x700 [ 52.395832][ C1] ? dummy_udc_probe+0x980/0x980 [ 52.400741][ C1] ? timer_fixup_init+0x60/0x60 [ 52.405580][ C1] ? lock_downgrade+0x720/0x720 [ 52.410412][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.415949][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 52.421230][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 52.426418][ C1] ? dummy_udc_probe+0x980/0x980 [ 52.431332][ C1] run_timer_softirq+0x5f9/0x1500 [ 52.436949][ C1] ? add_timer+0x7a0/0x7a0 [ 52.441450][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.446965][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 52.452222][ C1] __do_softirq+0x21e/0x9aa [ 52.456727][ C1] irq_exit+0x178/0x1a0 [ 52.461031][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 52.466552][ C1] apic_timer_interrupt+0xf/0x20 [ 52.471468][ C1] [ 52.474404][ C1] RIP: 0010:default_idle+0x28/0x300 [ 52.479594][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 94 3f 6b 7a 41 54 55 53 0f 1f 44 00 00 e8 16 28 af fb e9 07 00 00 00 0f 00 2d 7a e1 4b 00 fb f4 <65> 44 8b 2d 70 3f 6b 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 52.499560][ C1] RSP: 0018:ffff8881da227da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 52.508053][ C1] RAX: 0000000000000007 RBX: ffff8881da20b180 RCX: 0000000000000000 [ 52.516013][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da20b9fc [ 52.523997][ C1] RBP: ffffed103b441630 R08: ffff8881da20b180 R09: 0000000000000000 [ 52.532118][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 52.540497][ C1] R13: 0000000000000001 R14: ffffffff87e88c40 R15: 0000000000000000 [ 52.548454][ C1] ? default_idle+0x1a/0x300 [ 52.553024][ C1] do_idle+0x3e0/0x500 [ 52.557088][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 52.562093][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 52.568052][ C1] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 52.573328][ C1] cpu_startup_entry+0x14/0x20 [ 52.578170][ C1] start_secondary+0x2ae/0x390 [ 52.582930][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90 [ 52.588374][ C1] secondary_startup_64+0xb6/0xc0 [ 52.594013][ C1] Kernel Offset: disabled [ 52.598329][ C1] Rebooting in 86400 seconds..