Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 15.654197][ C1] random: crng init done
[ 15.658514][ C1] random: 7 urandom warning(s) missed due to ratelimiting
[ 25.760991][ T350] can: request_module (can-proto-0) failed.
[ 26.127124][ T350] can: request_module (can-proto-0) failed.
[ 26.137464][ T350] can: request_module (can-proto-7) failed.
[ 26.148049][ T350] can: request_module (can-proto-0) failed.
Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts.
2020/04/03 21:12:09 parsed 1 programs
2020/04/03 21:12:09 executed programs: 0
[ 33.365998][ T518] cgroup: Unknown subsys name 'perf_event'
[ 33.373762][ T520] cgroup: Unknown subsys name 'perf_event'
[ 33.380211][ T518] cgroup: Unknown subsys name 'net_cls'
[ 33.380315][ T522] cgroup: Unknown subsys name 'perf_event'
[ 33.387515][ T520] cgroup: Unknown subsys name 'net_cls'
[ 33.395909][ T524] cgroup: Unknown subsys name 'perf_event'
[ 33.407927][ T526] cgroup: Unknown subsys name 'perf_event'
[ 33.415442][ T530] cgroup: Unknown subsys name 'perf_event'
[ 33.422027][ T524] cgroup: Unknown subsys name 'net_cls'
[ 33.430030][ T526] cgroup: Unknown subsys name 'net_cls'
[ 33.436027][ T522] cgroup: Unknown subsys name 'net_cls'
[ 33.442115][ T530] cgroup: Unknown subsys name 'net_cls'
[ 41.370021][ T157] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 41.460177][ T83] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 41.590049][ T157] usb 2-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 41.600724][ T157] usb 2-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 41.669971][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 41.680135][ T83] usb 4-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 41.690441][ T3214] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 41.698257][ T83] usb 4-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 41.720043][ T95] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 41.749981][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 41.770657][ T157] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 41.779790][ T157] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 41.787937][ T157] usb 2-1: Product: syz
[ 41.792207][ T157] usb 2-1: Manufacturer: syz
[ 41.796792][ T157] usb 2-1: SerialNumber: syz
[ 41.841666][ T157] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 41.880179][ T83] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 41.889286][ T83] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 41.897354][ T83] usb 4-1: Product: syz
[ 41.901655][ T83] usb 4-1: Manufacturer: syz
[ 41.906339][ T83] usb 4-1: SerialNumber: syz
[ 41.911368][ T17] usb 5-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 41.922481][ T17] usb 5-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 41.940083][ T3214] usb 1-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 41.953151][ T3214] usb 1-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 41.970138][ T95] usb 6-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 41.970869][ T83] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 41.983528][ T95] usb 6-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 42.002748][ T12] usb 3-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 42.013615][ T12] usb 3-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 42.090065][ T17] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 42.099188][ T17] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.107304][ T17] usb 5-1: Product: syz
[ 42.111610][ T17] usb 5-1: Manufacturer: syz
[ 42.116198][ T17] usb 5-1: SerialNumber: syz
[ 42.121481][ T3214] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 42.130598][ T3214] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.138570][ T3214] usb 1-1: Product: syz
[ 42.142846][ T3214] usb 1-1: Manufacturer: syz
[ 42.147434][ T3214] usb 1-1: SerialNumber: syz
[ 42.179981][ T95] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 42.189123][ T95] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.190607][ T17] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 42.197260][ T95] usb 6-1: Product: syz
[ 42.206543][ T3214] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 42.209380][ T95] usb 6-1: Manufacturer: syz
[ 42.222075][ T95] usb 6-1: SerialNumber: syz
[ 42.226736][ T12] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 42.235827][ T12] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.243862][ T12] usb 3-1: Product: syz
[ 42.248024][ T12] usb 3-1: Manufacturer: syz
[ 42.252682][ T12] usb 3-1: SerialNumber: syz
[ 42.290672][ T12] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 42.310374][ T95] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 42.520023][ T157] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.559968][ T83] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.740437][ T157] ath9k_htc 2-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 42.748475][ T157] ath9k_htc: Failed to initialize the device
[ 42.779999][ T83] ath9k_htc 4-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 42.788007][ T83] ath9k_htc: Failed to initialize the device
[ 42.796184][ T17] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.806406][ T3214] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.879889][ T12] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.899843][ T95] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 42.940015][ C1] ==================================================================
[ 42.948194][ C1] BUG: KASAN: use-after-free in ath9k_wmi_ctrl_rx+0x416/0x500
[ 42.955634][ C1] Read of size 1 at addr ffff8881cf89f17c by task swapper/1/0
[ 42.963067][ C1]
[ 42.965383][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc7-syzkaller #0
[ 42.973429][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.983531][ C1] Call Trace:
[ 42.987121][ C1]
[ 42.989963][ C1] dump_stack+0xef/0x16e
[ 42.994209][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 42.999323][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.004436][ C1] print_address_description.constprop.0.cold+0xd3/0x314
[ 43.011450][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.016551][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.021650][ C1] __kasan_report.cold+0x37/0x77
[ 43.026574][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.031682][ C1] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 43.037303][ C1] kasan_report+0xe/0x20
[ 43.041603][ C1] ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.046532][ C1] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 43.052241][ C1] ath9k_htc_rx_msg+0x2d9/0xb00
[ 43.057110][ C1] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 43.062569][ C1] ? _raw_read_unlock+0x1a/0x30
[ 43.067414][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 43.073032][ C1] __usb_hcd_giveback_urb+0x1f2/0x470
[ 43.078780][ C1] usb_hcd_giveback_urb+0x368/0x420
[ 43.083970][ C1] dummy_timer+0x1258/0x32ae
[ 43.088567][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.093495][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.099129][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.104401][ C1] call_timer_fn+0x195/0x6f0
[ 43.109007][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.113946][ C1] ? msleep_interruptible+0x130/0x130
[ 43.119373][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.124907][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.130185][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 43.135475][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.140408][ C1] run_timer_softirq+0x5f9/0x1500
[ 43.143800][ T3235] usb 2-1: USB disconnect, device number 2
[ 43.145557][ C1] ? add_timer+0x7a0/0x7a0
[ 43.155759][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.161317][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.166621][ C1] __do_softirq+0x21e/0x950
[ 43.171131][ C1] irq_exit+0x178/0x1a0
[ 43.175298][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 43.180847][ C1] apic_timer_interrupt+0xf/0x20
[ 43.185762][ C1]
[ 43.188727][ C1] RIP: 0010:default_idle+0x28/0x300
[ 43.193906][ C1] 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
[ 43.213523][ C1] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 43.221918][ C1] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000
[ 43.229919][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c
[ 43.237876][ C1] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000
[ 43.245827][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 43.253776][ C1] R13: 0000000000000001 R14: ffffffff87e61300 R15: 0000000000000000
[ 43.261769][ C1] ? default_idle+0x1a/0x300
[ 43.266342][ C1] do_idle+0x3e0/0x500
[ 43.270410][ C1] ? __wake_up_common+0x147/0x650
[ 43.275421][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 43.280448][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40
[ 43.286243][ C1] ? lockdep_hardirqs_on+0x382/0x580
[ 43.291517][ C1] cpu_startup_entry+0x14/0x20
[ 43.296266][ C1] start_secondary+0x2a4/0x390
[ 43.301011][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 43.306457][ C1] secondary_startup_64+0xb6/0xc0
[ 43.311464][ C1]
[ 43.313792][ C1] Allocated by task 157:
[ 43.318013][ C1] save_stack+0x1b/0x80
[ 43.322146][ C1] __kasan_kmalloc.constprop.0+0xbf/0xd0
[ 43.327766][ C1] ath9k_init_wmi+0x40/0x310
[ 43.332343][ C1] ath9k_htc_probe_device+0x21c/0x1d80
[ 43.337791][ C1] ath9k_htc_hw_init+0x31/0x60
[ 43.342531][ C1] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 43.348249][ C1] request_firmware_work_func+0x126/0x242
[ 43.353967][ C1] process_one_work+0x94b/0x1620
[ 43.358882][ C1] worker_thread+0x96/0xe20
[ 43.363371][ C1] kthread+0x318/0x420
[ 43.367420][ C1] ret_from_fork+0x24/0x30
[ 43.371811][ C1]
[ 43.374119][ C1] Freed by task 157:
[ 43.378046][ C1] save_stack+0x1b/0x80
[ 43.382188][ C1] __kasan_slab_free+0x117/0x160
[ 43.387111][ C1] kfree+0xd5/0x300
[ 43.390907][ C1] ath9k_htc_probe_device+0x278/0x1d80
[ 43.396517][ C1] ath9k_htc_hw_init+0x31/0x60
[ 43.401274][ C1] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 43.406908][ C1] request_firmware_work_func+0x126/0x242
[ 43.412605][ C1] process_one_work+0x94b/0x1620
[ 43.417522][ C1] worker_thread+0x96/0xe20
[ 43.422000][ C1] kthread+0x318/0x420
[ 43.426062][ C1] ret_from_fork+0x24/0x30
[ 43.430462][ C1]
[ 43.432784][ C1] The buggy address belongs to the object at ffff8881cf89f000
[ 43.432784][ C1] which belongs to the cache kmalloc-2k of size 2048
[ 43.446834][ C1] The buggy address is located 380 bytes inside of
[ 43.446834][ C1] 2048-byte region [ffff8881cf89f000, ffff8881cf89f800)
[ 43.460180][ C1] The buggy address belongs to the page:
[ 43.465799][ C1] page:ffffea00073e2600 refcount:1 mapcount:0 mapping:ffff8881da00c000 index:0x0 compound_mapcount: 0
[ 43.476768][ C1] flags: 0x200000000010200(slab|head)
[ 43.482133][ C1] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000
[ 43.490718][ C1] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
[ 43.499292][ C1] page dumped because: kasan: bad access detected
[ 43.505924][ C1]
[ 43.508242][ C1] Memory state around the buggy address:
[ 43.513908][ C1] ffff8881cf89f000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.521961][ C1] ffff8881cf89f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.530143][ C1] >ffff8881cf89f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.538185][ C1] ^
[ 43.546140][ C1] ffff8881cf89f180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.554192][ C1] ffff8881cf89f200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.562232][ C1] ==================================================================
[ 43.570271][ C1] Disabling lock debugging due to kernel taint
[ 43.576396][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 43.582963][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.6.0-rc7-syzkaller #0
[ 43.592223][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.602258][ C1] Call Trace:
[ 43.605529][ C1]
[ 43.608383][ C1] dump_stack+0xef/0x16e
[ 43.612738][ C1] panic+0x2aa/0x6e1
[ 43.616621][ C1] ? add_taint.cold+0x16/0x16
[ 43.621276][ C1] ? print_shadow_for_address+0xb8/0x114
[ 43.626892][ C1] ? trace_hardirqs_off+0x50/0x200
[ 43.631999][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.637099][ C1] end_report+0x43/0x49
[ 43.641241][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.646349][ C1] __kasan_report.cold+0x55/0x77
[ 43.651280][ C1] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.656382][ C1] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 43.662016][ C1] kasan_report+0xe/0x20
[ 43.666233][ C1] ath9k_wmi_ctrl_rx+0x416/0x500
[ 43.671148][ C1] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 43.676753][ C1] ath9k_htc_rx_msg+0x2d9/0xb00
[ 43.681579][ C1] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 43.687012][ C1] ? _raw_read_unlock+0x1a/0x30
[ 43.691839][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 43.697548][ C1] __usb_hcd_giveback_urb+0x1f2/0x470
[ 43.702894][ C1] usb_hcd_giveback_urb+0x368/0x420
[ 43.708077][ C1] dummy_timer+0x1258/0x32ae
[ 43.712679][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.717604][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.723181][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.728887][ C1] call_timer_fn+0x195/0x6f0
[ 43.733460][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.738389][ C1] ? msleep_interruptible+0x130/0x130
[ 43.743756][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.749280][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.754555][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 43.759746][ C1] ? dummy_udc_probe+0x930/0x930
[ 43.764664][ C1] run_timer_softirq+0x5f9/0x1500
[ 43.769678][ C1] ? add_timer+0x7a0/0x7a0
[ 43.774086][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.779608][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.784880][ C1] __do_softirq+0x21e/0x950
[ 43.789358][ C1] irq_exit+0x178/0x1a0
[ 43.793493][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 43.799021][ C1] apic_timer_interrupt+0xf/0x20
[ 43.803933][ C1]
[ 43.806856][ C1] RIP: 0010:default_idle+0x28/0x300
[ 43.812029][ C1] 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
[ 43.831697][ C1] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 43.840270][ C1] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000
[ 43.848219][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c
[ 43.856168][ C1] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000
[ 43.864118][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 43.872068][ C1] R13: 0000000000000001 R14: ffffffff87e61300 R15: 0000000000000000
[ 43.880026][ C1] ? default_idle+0x1a/0x300
[ 43.884592][ C1] do_idle+0x3e0/0x500
[ 43.888651][ C1] ? __wake_up_common+0x147/0x650
[ 43.893666][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 43.898667][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40
[ 43.904466][ C1] ? lockdep_hardirqs_on+0x382/0x580
[ 43.909739][ C1] cpu_startup_entry+0x14/0x20
[ 43.914480][ C1] start_secondary+0x2a4/0x390
[ 43.919229][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 43.924674][ C1] secondary_startup_64+0xb6/0xc0
[ 43.929731][ C1] Kernel Offset: disabled
[ 43.934072][ C1] Rebooting in 86400 seconds..