Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 15.175188][ C0] random: crng init done
[ 15.179478][ C0] random: 7 urandom warning(s) missed due to ratelimiting
[ 23.682603][ T402] can: request_module (can-proto-0) failed.
[ 24.048725][ T402] can: request_module (can-proto-0) failed.
[ 24.058624][ T402] can: request_module (can-proto-7) failed.
[ 24.068724][ T402] can: request_module (can-proto-0) failed.
Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts.
2020/04/03 23:22:29 parsed 1 programs
2020/04/03 23:22:30 executed programs: 0
[ 31.404694][ T548] cgroup: Unknown subsys name 'perf_event'
[ 31.406446][ T549] cgroup: Unknown subsys name 'perf_event'
[ 31.411590][ T553] cgroup: Unknown subsys name 'perf_event'
[ 31.417731][ T551] cgroup: Unknown subsys name 'perf_event'
[ 31.424574][ T548] cgroup: Unknown subsys name 'net_cls'
[ 31.436197][ T551] cgroup: Unknown subsys name 'net_cls'
[ 31.436370][ T553] cgroup: Unknown subsys name 'net_cls'
[ 31.443663][ T555] cgroup: Unknown subsys name 'perf_event'
[ 31.457106][ T549] cgroup: Unknown subsys name 'net_cls'
[ 31.465514][ T558] cgroup: Unknown subsys name 'perf_event'
[ 31.477210][ T555] cgroup: Unknown subsys name 'net_cls'
[ 31.483862][ T558] cgroup: Unknown subsys name 'net_cls'
[ 39.529771][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 39.679603][ T21] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 39.749778][ T12] usb 4-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 39.760252][ T12] usb 4-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 39.889518][ T157] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 39.889748][ T95] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 39.919626][ T21] usb 5-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 39.929882][ T21] usb 5-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 39.949623][ T12] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 39.959098][ T12] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 39.967280][ T12] usb 4-1: Product: syz
[ 39.969559][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 39.971520][ T12] usb 4-1: Manufacturer: syz
[ 39.983684][ T12] usb 4-1: SerialNumber: syz
[ 39.988319][ T3250] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 40.040876][ T12] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.099661][ T157] usb 6-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 40.110188][ T21] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 40.119256][ T21] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.127628][ T21] usb 5-1: Product: syz
[ 40.131849][ T21] usb 5-1: Manufacturer: syz
[ 40.136428][ T21] usb 5-1: SerialNumber: syz
[ 40.141628][ T157] usb 6-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 40.179767][ T95] usb 2-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 40.190555][ T95] usb 2-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 40.190660][ T21] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.219547][ T17] usb 1-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 40.219564][ T3250] usb 3-1: config 1 has an invalid descriptor of length 9, skipping remainder of the config
[ 40.231160][ T17] usb 1-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 40.242648][ T3250] usb 3-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 6
[ 40.309632][ T157] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 40.319183][ T157] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.327273][ T157] usb 6-1: Product: syz
[ 40.331579][ T157] usb 6-1: Manufacturer: syz
[ 40.336183][ T157] usb 6-1: SerialNumber: syz
[ 40.369639][ T95] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 40.378833][ T95] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.381764][ T157] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.386883][ T95] usb 2-1: Product: syz
[ 40.400293][ T95] usb 2-1: Manufacturer: syz
[ 40.404893][ T95] usb 2-1: SerialNumber: syz
[ 40.419757][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 40.428905][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.436982][ T17] usb 1-1: Product: syz
[ 40.441222][ T17] usb 1-1: Manufacturer: syz
[ 40.445858][ T17] usb 1-1: SerialNumber: syz
[ 40.459537][ T3250] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 40.468682][ T3250] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.476801][ T3250] usb 3-1: Product: syz
[ 40.481255][ T3250] usb 3-1: Manufacturer: syz
[ 40.485965][ T3250] usb 3-1: SerialNumber: syz
[ 40.490548][ T17] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.491387][ T95] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.570093][ T3250] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 40.789522][ T12] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 40.829486][ T21] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 40.969388][ T157] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 40.999737][ T12] haley: ath9k_htc_probe_device, 959
[ 41.005333][ T12] ath9k_htc 4-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 41.013462][ T12] haley: ath9k_deinit_wmi, 118
[ 41.020384][ T12] ath9k_htc: Failed to initialize the device
[ 41.049441][ T21] haley: ath9k_htc_probe_device, 959
[ 41.054921][ T21] ath9k_htc 5-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 41.062927][ T21] haley: ath9k_deinit_wmi, 118
[ 41.067749][ T17] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 41.077183][ T21] ath9k_htc: Failed to initialize the device
[ 41.149578][ T95] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 41.189446][ T157] haley: ath9k_htc_probe_device, 959
[ 41.189476][ T3250] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 41.195072][ T157] ath9k_htc 6-1:1.0: ath9k_htc: Unable to initialize HTC services
[ 41.212044][ T157] haley: ath9k_deinit_wmi, 118
[ 41.217109][ T157] ath9k_htc: Failed to initialize the device
[ 41.219473][ C0] ==================================================================
[ 41.231572][ C0] BUG: KASAN: use-after-free in ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.239016][ C0] Read of size 1 at addr ffff8881d2a6b17c by task swapper/0/0
[ 41.246479][ C0]
[ 41.248796][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc7-syzkaller #0
[ 41.256676][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.266809][ C0] Call Trace:
[ 41.270194][ C0]
[ 41.273040][ C0] dump_stack+0xef/0x16e
[ 41.277282][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.282390][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.287489][ C0] print_address_description.constprop.0.cold+0xd3/0x314
[ 41.294491][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.299601][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.304690][ C0] __kasan_report.cold+0x37/0x77
[ 41.309701][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.314799][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 41.320422][ C0] kasan_report+0xe/0x20
[ 41.324654][ C0] ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.329571][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 41.335201][ C0] ath9k_htc_rx_msg+0x2d9/0xb00
[ 41.340180][ C0] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 41.345631][ C0] ? _raw_read_unlock+0x1a/0x30
[ 41.350518][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 41.356151][ C0] __usb_hcd_giveback_urb+0x1f2/0x470
[ 41.361515][ C0] usb_hcd_giveback_urb+0x368/0x420
[ 41.366719][ C0] dummy_timer+0x1258/0x32ae
[ 41.371297][ C0] ? dummy_udc_probe+0x930/0x930
[ 41.376214][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 41.381760][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 41.387027][ C0] call_timer_fn+0x195/0x6f0
[ 41.391610][ C0] ? dummy_udc_probe+0x930/0x930
[ 41.397494][ C0] ? msleep_interruptible+0x130/0x130
[ 41.402854][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 41.408381][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 41.413905][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 41.419174][ C0] ? dummy_udc_probe+0x930/0x930
[ 41.424234][ C0] run_timer_softirq+0x5f9/0x1500
[ 41.429251][ C0] ? add_timer+0x7a0/0x7a0
[ 41.431400][ T3264] usb 4-1: USB disconnect, device number 2
[ 41.433788][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 41.445244][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 41.450548][ C0] __do_softirq+0x21e/0x950
[ 41.455064][ C0] irq_exit+0x178/0x1a0
[ 41.459232][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 41.462839][ T3272] usb 5-1: USB disconnect, device number 2
[ 41.465521][ C0] apic_timer_interrupt+0xf/0x20
[ 41.476314][ C0]
[ 41.479290][ C0] RIP: 0010:default_idle+0x28/0x300
[ 41.480665][ T3272] usb 5-1: ath9k_htc: USB layer deinitialized
[ 41.484491][ 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
[ 41.510284][ C0] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 41.518699][ C0] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000
[ 41.526808][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c
[ 41.534785][ C0] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000
[ 41.542843][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 41.550812][ C0] R13: 0000000000000000 R14: ffffffff87e61480 R15: 0000000000000000
[ 41.558795][ C0] do_idle+0x3e0/0x500
[ 41.562871][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 41.567941][ C0] ? schedule+0xe1/0x2b0
[ 41.572185][ C0] cpu_startup_entry+0x14/0x20
[ 41.576953][ C0] start_kernel+0xe16/0xe5a
[ 41.581450][ C0] ? mem_encrypt_init+0x5/0x5
[ 41.586138][ C0] ? x86_family+0x3d/0x50
[ 41.590450][ C0] ? load_ucode_bsp+0x23d/0x27d
[ 41.595303][ C0] secondary_startup_64+0xb6/0xc0
[ 41.600310][ C0]
[ 41.602633][ C0] Allocated by task 12:
[ 41.606771][ C0] save_stack+0x1b/0x80
[ 41.610908][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0
[ 41.616516][ C0] ath9k_init_wmi+0x40/0x310
[ 41.621097][ C0] ath9k_htc_probe_device+0x21b/0x300
[ 41.626444][ C0] ath9k_htc_hw_init+0x31/0x60
[ 41.631209][ C0] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 41.636833][ C0] request_firmware_work_func+0x126/0x242
[ 41.642531][ C0] process_one_work+0x94b/0x1620
[ 41.647456][ C0] worker_thread+0x96/0xe20
[ 41.651940][ C0] kthread+0x318/0x420
[ 41.655988][ C0] ret_from_fork+0x24/0x30
[ 41.660394][ C0]
[ 41.662703][ C0] Freed by task 12:
[ 41.666491][ C0] save_stack+0x1b/0x80
[ 41.670642][ C0] __kasan_slab_free+0x117/0x160
[ 41.675555][ C0] kfree+0xd5/0x300
[ 41.679471][ C0] ath9k_htc_probe_device.cold+0x46/0x20f0
[ 41.685297][ C0] ath9k_htc_hw_init+0x31/0x60
[ 41.690239][ C0] ath9k_hif_usb_firmware_cb+0x26b/0x500
[ 41.695989][ C0] request_firmware_work_func+0x126/0x242
[ 41.701872][ C0] process_one_work+0x94b/0x1620
[ 41.706803][ C0] worker_thread+0x96/0xe20
[ 41.711301][ C0] kthread+0x318/0x420
[ 41.715474][ C0] ret_from_fork+0x24/0x30
[ 41.719913][ C0]
[ 41.722273][ C0] The buggy address belongs to the object at ffff8881d2a6b000
[ 41.722273][ C0] which belongs to the cache kmalloc-2k of size 2048
[ 41.736635][ C0] The buggy address is located 380 bytes inside of
[ 41.736635][ C0] 2048-byte region [ffff8881d2a6b000, ffff8881d2a6b800)
[ 41.749975][ C0] The buggy address belongs to the page:
[ 41.755661][ C0] page:ffffea00074a9a00 refcount:1 mapcount:0 mapping:ffff8881da00c000 index:0x0 compound_mapcount: 0
[ 41.766584][ C0] flags: 0x200000000010200(slab|head)
[ 41.771958][ C0] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000
[ 41.780560][ C0] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
[ 41.789136][ C0] page dumped because: kasan: bad access detected
[ 41.795535][ C0]
[ 41.797846][ C0] Memory state around the buggy address:
[ 41.803459][ C0] ffff8881d2a6b000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 41.811509][ C0] ffff8881d2a6b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 41.819553][ C0] >ffff8881d2a6b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 41.827590][ C0] ^
[ 41.835549][ C0] ffff8881d2a6b180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 41.843838][ C0] ffff8881d2a6b200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 41.851905][ C0] ==================================================================
[ 41.859954][ C0] Disabling lock debugging due to kernel taint
[ 41.866093][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 41.872830][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.6.0-rc7-syzkaller #0
[ 41.882087][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.892213][ C0] Call Trace:
[ 41.895480][ C0]
[ 41.898315][ C0] dump_stack+0xef/0x16e
[ 41.902539][ C0] panic+0x2aa/0x6e1
[ 41.906426][ C0] ? add_taint.cold+0x16/0x16
[ 41.911088][ C0] ? print_shadow_for_address+0xb8/0x114
[ 41.916704][ C0] ? trace_hardirqs_off+0x50/0x200
[ 41.921807][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.926935][ C0] end_report+0x43/0x49
[ 41.931079][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.936202][ C0] __kasan_report.cold+0x55/0x77
[ 41.941136][ C0] ? ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.946226][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 41.951858][ C0] kasan_report+0xe/0x20
[ 41.956080][ C0] ath9k_wmi_ctrl_rx+0x416/0x500
[ 41.961002][ C0] ? ath9k_wmi_event_tasklet+0x440/0x440
[ 41.966644][ C0] ath9k_htc_rx_msg+0x2d9/0xb00
[ 41.971515][ C0] ath9k_hif_usb_reg_in_cb+0x1a6/0x620
[ 41.976959][ C0] ? _raw_read_unlock+0x1a/0x30
[ 41.981793][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0
[ 41.987409][ C0] __usb_hcd_giveback_urb+0x1f2/0x470
[ 41.992774][ C0] usb_hcd_giveback_urb+0x368/0x420
[ 41.997952][ C0] dummy_timer+0x1258/0x32ae
[ 42.002538][ C0] ? dummy_udc_probe+0x930/0x930
[ 42.007466][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.013083][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.018587][ C0] call_timer_fn+0x195/0x6f0
[ 42.023165][ C0] ? dummy_udc_probe+0x930/0x930
[ 42.028091][ C0] ? msleep_interruptible+0x130/0x130
[ 42.033508][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.039050][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.044323][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 42.049632][ C0] ? dummy_udc_probe+0x930/0x930
[ 42.054567][ C0] run_timer_softirq+0x5f9/0x1500
[ 42.059903][ C0] ? add_timer+0x7a0/0x7a0
[ 42.064324][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.069853][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.075354][ C0] __do_softirq+0x21e/0x950
[ 42.079868][ C0] irq_exit+0x178/0x1a0
[ 42.084023][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 42.089577][ C0] apic_timer_interrupt+0xf/0x20
[ 42.094504][ C0]
[ 42.097528][ C0] RIP: 0010:default_idle+0x28/0x300
[ 42.099089][ T17] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive
[ 42.102707][ 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
[ 42.102713][ C0] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 42.109789][ T17] ath9k_htc: Failed to initialize the device
[ 42.129140][ C0] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000
[ 42.129145][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c
[ 42.129151][ C0] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000
[ 42.129157][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 42.129162][ C0] R13: 0000000000000000 R14: ffffffff87e61480 R15: 0000000000000000
[ 42.129180][ C0] do_idle+0x3e0/0x500
[ 42.129190][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 42.129199][ C0] ? schedule+0xe1/0x2b0
[ 42.129210][ C0] cpu_startup_entry+0x14/0x20
[ 42.129221][ C0] start_kernel+0xe16/0xe5a
[ 42.129232][ C0] ? mem_encrypt_init+0x5/0x5
[ 42.129243][ C0] ? x86_family+0x3d/0x50
[ 42.129255][ C0] ? load_ucode_bsp+0x23d/0x27d
[ 42.129265][ C0] secondary_startup_64+0xb6/0xc0
[ 42.138391][ C0] Kernel Offset: disabled
[ 42.229837][ C0] Rebooting in 86400 seconds..