[ 12.404178][ C1] random: crng init done
[ 12.405280][ C1] random: 7 urandom warning(s) missed due to ratelimiting
Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 22.577940][ T384] can: request_module (can-proto-0) failed.
[ 22.955650][ T384] can: request_module (can-proto-0) failed.
[ 22.965145][ T384] can: request_module (can-proto-7) failed.
[ 22.974791][ T384] can: request_module (can-proto-0) failed.
Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts.
2020/04/03 22:53:32 parsed 1 programs
2020/04/03 22:53:33 executed programs: 0
[ 30.098963][ T527] cgroup: Unknown subsys name 'perf_event'
[ 30.101887][ T530] cgroup: Unknown subsys name 'perf_event'
[ 30.110009][ T527] cgroup: Unknown subsys name 'net_cls'
[ 30.112555][ T532] cgroup: Unknown subsys name 'perf_event'
[ 30.120466][ T534] cgroup: Unknown subsys name 'perf_event'
[ 30.128882][ T536] cgroup: Unknown subsys name 'perf_event'
[ 30.129860][ T530] cgroup: Unknown subsys name 'net_cls'
[ 30.134848][ T536] cgroup: Unknown subsys name 'net_cls'
[ 30.141481][ T532] cgroup: Unknown subsys name 'net_cls'
[ 30.146905][ T537] cgroup: Unknown subsys name 'perf_event'
[ 30.158064][ T534] cgroup: Unknown subsys name 'net_cls'
[ 30.165989][ T537] cgroup: Unknown subsys name 'net_cls'
[ 38.064633][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 38.224701][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 38.284540][ T12] usb 3-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.294489][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 38.294892][ T12] usb 3-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.304578][ T21] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 38.394476][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 38.402047][ T158] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 38.434420][ T17] usb 5-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.444822][ T17] usb 5-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.504455][ T83] usb 6-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.514500][ T12] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.514794][ T83] usb 6-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.523616][ T12] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.523629][ T12] usb 3-1: Product: syz
[ 38.523641][ T12] usb 3-1: Manufacturer: syz
[ 38.523656][ T12] usb 3-1: SerialNumber: syz
[ 38.536709][ T21] usb 4-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.568515][ T21] usb 4-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.585705][ T12] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 38.644445][ T17] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.653649][ T17] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.661759][ T17] usb 5-1: Product: syz
[ 38.665974][ T17] usb 5-1: Manufacturer: syz
[ 38.670560][ T17] usb 5-1: SerialNumber: syz
[ 38.684411][ T95] usb 1-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.694902][ T158] usb 2-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 38.705412][ T158] usb 2-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.715211][ T17] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 38.719092][ T95] usb 1-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 38.754507][ T83] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.763623][ T83] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.771660][ T83] usb 6-1: Product: syz
[ 38.775872][ T83] usb 6-1: Manufacturer: syz
[ 38.780482][ T83] usb 6-1: SerialNumber: syz
[ 38.785222][ T21] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.794294][ T21] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.802258][ T21] usb 4-1: Product: syz
[ 38.806452][ T21] usb 4-1: Manufacturer: syz
[ 38.811036][ T21] usb 4-1: SerialNumber: syz
[ 38.854863][ T21] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 38.864527][ T83] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 38.914805][ T158] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.923901][ T158] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.931968][ T158] usb 2-1: Product: syz
[ 38.936240][ T158] usb 2-1: Manufacturer: syz
[ 38.940819][ T158] usb 2-1: SerialNumber: syz
[ 38.945507][ T95] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 38.954601][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 38.962577][ T95] usb 1-1: Product: syz
[ 38.966782][ T95] usb 1-1: Manufacturer: syz
[ 38.971366][ T95] usb 1-1: SerialNumber: syz
[ 39.014959][ T158] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 39.024553][ T95] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 39.294269][ T12] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.364215][ T17] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.464176][ T21] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.473234][ T83] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.504658][ T12] ath9k_htc 3-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 39.512762][ T12] ath9k_htc: Failed to initialize the device
[ 39.584155][ T17] ath9k_htc 5-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 39.592145][ T17] ath9k_htc: Failed to initialize the device
[ 39.624178][ T158] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.633235][ T95] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 39.684421][ T21] ath9k_htc 6-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 39.692536][ T21] ath9k_htc: Failed to initialize the device
[ 39.698841][ T83] ath9k_htc 4-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 39.706867][ T83] ath9k_htc: Failed to initialize the device
[ 39.714225][ C0] ==================================================================
[ 39.722438][ C0] BUG: KASAN: use-after-free in ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.729880][ C0] Read of size 1 at addr ffff8881d42d217c by task swapper/0/0
[ 39.737310][ C0]
[ 39.739626][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc7-syzkaller #0
[ 39.747494][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 39.757532][ C0] Call Trace:
[ 39.760804][ C0]
[ 39.763663][ C0] dump_stack+0xef/0x16e
[ 39.767900][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.772992][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.778086][ C0] print_address_description.constprop.0.cold+0xd3/0x314
[ 39.785093][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.790198][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.795360][ C0] __kasan_report.cold+0x37/0x77
[ 39.800329][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.805422][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 39.811297][ C0] kasan_report+0xe/0x20
[ 39.815518][ C0] ath9k_wmi_ctrl_rx+0x416/0x500
[ 39.820439][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 39.826052][ C0] ath9k_htc_rx_msg+0x2d9/0xb00
[ 39.830880][ C0] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 39.836316][ C0] ? _raw_read_unlock+0x1a/0x30
[ 39.841148][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 39.846772][ C0] __usb_hcd_giveback_urb+0x1f2/0x470
[ 39.852122][ C0] usb_hcd_giveback_urb+0x368/0x420
[ 39.857296][ C0] dummy_timer+0x1258/0x32ae
[ 39.861872][ C0] ? dummy_udc_probe+0x930/0x930
[ 39.866799][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 39.872334][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 39.877597][ C0] call_timer_fn+0x195/0x6f0
[ 39.882165][ C0] ? dummy_udc_probe+0x930/0x930
[ 39.887078][ C0] ? msleep_interruptible+0x130/0x130
[ 39.892426][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 39.897945][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 39.903208][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 39.908383][ C0] ? dummy_udc_probe+0x930/0x930
[ 39.913477][ C0] run_timer_softirq+0x5f9/0x1500
[ 39.917652][ T3228] usb 3-1: USB disconnect, device number 2
[ 39.918485][ C0] ? add_timer+0x7a0/0x7a0
[ 39.918503][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 39.918519][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 39.939551][ C0] __do_softirq+0x21e/0x950
[ 39.944050][ C0] irq_exit+0x178/0x1a0
[ 39.948208][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 39.953748][ C0] apic_timer_interrupt+0xf/0x20
[ 39.958659][ C0]
[ 39.961578][ C0] RIP: 0010:default_idle+0x28/0x300
[ 39.966759][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 04 3b 72 7a 41 54 55 53 0f 1f 44 00 00 e8 b6 27 b5 fb e9 07 00 00 00 0f 00 2d aa d0 52 00 fb f4 <65> 44 8b 2d e0 3a 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 39.986348][ C0] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 39.994737][ C0] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000
[ 40.002700][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c
[ 40.010657][ C0] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000
[ 40.018632][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 40.026583][ C0] R13: 0000000000000000 R14: ffffffff87e61300 R15: 0000000000000000
[ 40.034544][ C0] do_idle+0x3e0/0x500
[ 40.038641][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 40.043663][ C0] ? schedule+0xe1/0x2b0
[ 40.047889][ C0] cpu_startup_entry+0x14/0x20
[ 40.052635][ C0] start_kernel+0xe16/0xe5a
[ 40.057117][ C0] ? mem_encrypt_init+0x5/0x5
[ 40.061774][ C0] ? x86_family+0x3d/0x50
[ 40.066096][ C0] ? load_ucode_bsp+0x23d/0x27d
[ 40.070926][ C0] secondary_startup_64+0xb6/0xc0
[ 40.075921][ C0]
[ 40.078272][ C0] Allocated by task 12:
[ 40.082405][ C0] save_stack+0x1b/0x80
[ 40.086550][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0
[ 40.087301][ T3254] usb 6-1: USB disconnect, device number 2
[ 40.092172][ C0] ath9k_init_wmi+0x40/0x310
[ 40.092188][ C0] ath9k_htc_probe_device+0x21c/0x1d80
[ 40.107991][ C0] ath9k_htc_hw_init+0x31/0x60
[ 40.112751][ C0] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 40.114588][ T3254] usb 6-1: ath9k_htc: USB layer deinitialized
[ 40.118376][ C0] request_firmware_work_func+0x126/0x242
[ 40.118389][ C0] process_one_work+0x94b/0x1620
[ 40.118400][ C0] worker_thread+0x96/0xe20
[ 40.118409][ C0] kthread+0x318/0x420
[ 40.118426][ C0] ret_from_fork+0x24/0x30
[ 40.148040][ C0]
[ 40.150348][ C0] Freed by task 12:
[ 40.154139][ C0] save_stack+0x1b/0x80
[ 40.158274][ C0] __kasan_slab_free+0x117/0x160
[ 40.163186][ C0] kfree+0xd5/0x300
[ 40.167031][ C0] ath9k_htc_probe_device+0x278/0x1d80
[ 40.172470][ C0] ath9k_htc_hw_init+0x31/0x60
[ 40.177208][ C0] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 40.182821][ C0] request_firmware_work_func+0x126/0x242
[ 40.188538][ C0] process_one_work+0x94b/0x1620
[ 40.193453][ C0] worker_thread+0x96/0xe20
[ 40.197933][ C0] kthread+0x318/0x420
[ 40.201981][ C0] ret_from_fork+0x24/0x30
[ 40.206369][ C0]
[ 40.208677][ C0] The buggy address belongs to the object at ffff8881d42d2000
[ 40.208677][ C0] which belongs to the cache kmalloc-2k of size 2048
[ 40.222750][ C0] The buggy address is located 380 bytes inside of
[ 40.222750][ C0] 2048-byte region [ffff8881d42d2000, ffff8881d42d2800)
[ 40.236172][ C0] The buggy address belongs to the page:
[ 40.241812][ C0] page:ffffea000750b400 refcount:1 mapcount:0 mapping:ffff8881da00c000 index:0x0 compound_mapcount: 0
[ 40.255135][ C0] flags: 0x200000000010200(slab|head)
[ 40.260500][ C0] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000
[ 40.269064][ C0] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
[ 40.277677][ C0] page dumped because: kasan: bad access detected
[ 40.284067][ C0]
[ 40.286391][ C0] Memory state around the buggy address:
[ 40.292026][ C0] ffff8881d42d2000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 40.300108][ C0] ffff8881d42d2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 40.308195][ C0] >ffff8881d42d2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 40.316233][ C0] ^
[ 40.324246][ C0] ffff8881d42d2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 40.332294][ C0] ffff8881d42d2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 40.340332][ C0] ==================================================================
[ 40.348374][ C0] Disabling lock debugging due to kernel taint
[ 40.354614][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 40.361178][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.6.0-rc7-syzkaller #0
[ 40.370428][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.380480][ C0] Call Trace:
[ 40.383754][ C0]
[ 40.386607][ C0] dump_stack+0xef/0x16e
[ 40.390835][ C0] panic+0x2aa/0x6e1
[ 40.394717][ C0] ? add_taint.cold+0x16/0x16
[ 40.399416][ C0] ? print_shadow_for_address+0xb8/0x114
[ 40.405038][ C0] ? trace_hardirqs_off+0x50/0x200
[ 40.410137][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 40.415235][ C0] end_report+0x43/0x49
[ 40.419370][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 40.424456][ C0] __kasan_report.cold+0x55/0x77
[ 40.429383][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 40.434491][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 40.440104][ C0] kasan_report+0xe/0x20
[ 40.444426][ C0] ath9k_wmi_ctrl_rx+0x416/0x500
[ 40.449353][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 40.454971][ C0] ath9k_htc_rx_msg+0x2d9/0xb00
[ 40.459802][ C0] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 40.465255][ C0] ? _raw_read_unlock+0x1a/0x30
[ 40.470105][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 40.475716][ C0] __usb_hcd_giveback_urb+0x1f2/0x470
[ 40.481074][ C0] usb_hcd_giveback_urb+0x368/0x420
[ 40.486413][ C0] dummy_timer+0x1258/0x32ae
[ 40.490983][ C0] ? dummy_udc_probe+0x930/0x930
[ 40.495896][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 40.501472][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 40.506746][ C0] call_timer_fn+0x195/0x6f0
[ 40.511316][ C0] ? dummy_udc_probe+0x930/0x930
[ 40.516252][ C0] ? msleep_interruptible+0x130/0x130
[ 40.521602][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 40.527124][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 40.532392][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 40.537626][ C0] ? dummy_udc_probe+0x930/0x930
[ 40.542539][ C0] run_timer_softirq+0x5f9/0x1500
[ 40.547540][ C0] ? add_timer+0x7a0/0x7a0
[ 40.551931][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 40.557449][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 40.562708][ C0] __do_softirq+0x21e/0x950
[ 40.567187][ C0] irq_exit+0x178/0x1a0
[ 40.571324][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 40.576852][ C0] apic_timer_interrupt+0xf/0x20
[ 40.581817][ C0]
[ 40.584744][ C0] RIP: 0010:default_idle+0x28/0x300
[ 40.589927][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 04 3b 72 7a 41 54 55 53 0f 1f 44 00 00 e8 b6 27 b5 fb e9 07 00 00 00 0f 00 2d aa d0 52 00 fb f4 <65> 44 8b 2d e0 3a 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 40.609519][ C0] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 40.617909][ C0] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000
[ 40.625868][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c
[ 40.634857][ C0] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000
[ 40.642803][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 40.650748][ C0] R13: 0000000000000000 R14: ffffffff87e61300 R15: 0000000000000000
[ 40.658715][ C0] do_idle+0x3e0/0x500
[ 40.662770][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 40.667771][ C0] ? schedule+0xe1/0x2b0
[ 40.672000][ C0] cpu_startup_entry+0x14/0x20
[ 40.676740][ C0] start_kernel+0xe16/0xe5a
[ 40.681222][ C0] ? mem_encrypt_init+0x5/0x5
[ 40.685875][ C0] ? x86_family+0x3d/0x50
[ 40.690198][ C0] ? load_ucode_bsp+0x23d/0x27d
[ 40.695044][ C0] secondary_startup_64+0xb6/0xc0
[ 40.700762][ C0] Kernel Offset: disabled
[ 40.705086][ C0] Rebooting in 86400 seconds..