Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts.
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syzkaller login: [ 23.537662][ T17] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 23.545632][ T83] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 23.557631][ T379] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 23.565209][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 23.572757][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 23.580419][ T95] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 23.817594][ T17] usb 6-1: too many configurations: 40, using maximum allowed: 8
[ 23.837505][ T83] usb 5-1: too many configurations: 40, using maximum allowed: 8
[ 23.877555][ T95] usb 4-1: too many configurations: 40, using maximum allowed: 8
[ 23.885647][ T5] usb 3-1: too many configurations: 40, using maximum allowed: 8
[ 23.893772][ T379] usb 2-1: too many configurations: 40, using maximum allowed: 8
[ 23.901634][ T12] usb 1-1: too many configurations: 40, using maximum allowed: 8
[ 24.616744][ T17] usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.625874][ T17] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.633964][ T17] usb 6-1: Product: syz
[ 24.638274][ T17] usb 6-1: Manufacturer: syz
[ 24.642852][ T17] usb 6-1: SerialNumber: syz
[ 24.647619][ T83] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.656734][ T83] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.664716][ T83] usb 5-1: Product: syz
[ 24.669089][ T83] usb 5-1: Manufacturer: syz
[ 24.673691][ T83] usb 5-1: SerialNumber: syz
[ 24.717619][ T17] usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 24.727157][ T83] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 24.729588][ T5] usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.744422][ T5] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.752513][ T5] usb 3-1: Product: syz
[ 24.757048][ T5] usb 3-1: Manufacturer: syz
[ 24.761767][ T5] usb 3-1: SerialNumber: syz
[ 24.766598][ T12] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.775669][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.783758][ T12] usb 1-1: Product: syz
[ 24.787976][ T12] usb 1-1: Manufacturer: syz
[ 24.792573][ T12] usb 1-1: SerialNumber: syz
[ 24.797476][ T95] usb 4-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.806725][ T95] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.814722][ T95] usb 4-1: Product: syz
[ 24.818937][ T95] usb 4-1: Manufacturer: syz
[ 24.823533][ T95] usb 4-1: SerialNumber: syz
[ 24.828272][ T379] usb 2-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
[ 24.837395][ T379] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.845384][ T379] usb 2-1: Product: syz
[ 24.849618][ T379] usb 2-1: Manufacturer: syz
[ 24.854232][ T379] usb 2-1: SerialNumber: syz
[ 24.896934][ T12] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 24.905669][ T95] usb 4-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 24.914674][ T379] usb 2-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 24.923547][ T5] usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
[ 25.385971][ T83] usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 25.395067][ T17] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 25.525814][ T379] usb 4-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 25.534909][ T5] usb 3-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 25.544035][ T12] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 25.553093][ T95] usb 2-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[ 26.434829][ T17] ath9k_htc 5-1:1.0: ath9k_htc: Target is unresponsive
[ 26.442171][ T17] ath9k_htc: Failed to initialize the device
[ 26.450037][ T83] ath9k_htc 6-1:1.0: ath9k_htc: Target is unresponsive
[ 26.458400][ T83] ath9k_htc: Failed to initialize the device
[ 26.525442][ T375] udc-core: couldn't find an available UDC or it's busy
[ 26.532513][ T375] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.541964][ T374] udc-core: couldn't find an available UDC or it's busy
[ 26.549092][ T374] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.594856][ T12] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive
[ 26.601896][ T12] ath9k_htc: Failed to initialize the device
[ 26.608086][ T5] ath9k_htc 3-1:1.0: ath9k_htc: Target is unresponsive
[ 26.615151][ T379] ath9k_htc 4-1:1.0: ath9k_htc: Target is unresponsive
[ 26.622092][ T379] ath9k_htc: Failed to initialize the device
[ 26.626280][ T376] udc-core: couldn't find an available UDC or it's busy
[ 26.628281][ T95] ath9k_htc 2-1:1.0: ath9k_htc: Target is unresponsive
[ 26.635299][ T376] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.642606][ T371] udc-core: couldn't find an available UDC or it's busy
[ 26.652026][ T373] udc-core: couldn't find an available UDC or it's busy
[ 26.656708][ T371] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.657174][ T5] ath9k_htc: Failed to initialize the device
[ 26.663839][ T373] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.671888][ T95] ath9k_htc: Failed to initialize the device
[ 26.692660][ T365] udc-core: couldn't find an available UDC or it's busy
[ 26.699932][ T365] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 26.964594][ C1] ==================================================================
[ 26.972831][ C1] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 26.980634][ C1] Read of size 4 at addr ffff8881c2dc40d0 by task swapper/1/0
[ 26.988072][ C1]
[ 26.990389][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc5-syzkaller #0
[ 26.998251][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 27.008287][ C1] Call Trace:
[ 27.011558][ C1]
[ 27.014406][ C1] dump_stack+0xef/0x16e
[ 27.018643][ C1] print_address_description.constprop.0.cold+0xd3/0x314
[ 27.025648][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.030909][ C1] __kasan_report.cold+0x37/0x92
[ 27.035827][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.041088][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.046357][ C1] kasan_report+0x33/0x50
[ 27.050669][ C1] ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.055767][ C1] ? hif_usb_mgmt_cb+0x310/0x310
[ 27.060714][ C1] ? usb_hcd_unmap_urb_setup_for_dma+0x8a/0x470
[ 27.066947][ C1] ? do_raw_read_unlock+0x3b/0x70
[ 27.071966][ C1] ? _raw_read_unlock+0x1a/0x30
[ 27.073679][ T382] usb 5-1: USB disconnect, device number 2
[ 27.076808][ C1] __usb_hcd_giveback_urb+0x1f2/0x470
[ 27.076824][ C1] usb_hcd_giveback_urb+0x368/0x420
[ 27.076839][ C1] dummy_timer+0x125e/0x32b4
[ 27.076852][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.076865][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.076876][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.076888][ C1] call_timer_fn+0x1ac/0x700
[ 27.076899][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.076910][ C1] ? timer_fixup_init+0x60/0x60
[ 27.076923][ C1] ? lock_downgrade+0x720/0x720
[ 27.076935][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.076948][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.076962][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 27.076973][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.076983][ C1] run_timer_softirq+0x5f9/0x1500
[ 27.076993][ C1] ? add_timer+0x7a0/0x7a0
[ 27.077005][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.077018][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.077032][ C1] __do_softirq+0x21e/0x9aa
[ 27.077046][ C1] irq_exit+0x178/0x1a0
[ 27.077057][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 27.077068][ C1] apic_timer_interrupt+0xf/0x20
[ 27.077080][ C1]
[ 27.195665][ C1] RIP: 0010:default_idle+0x28/0x300
[ 27.200876][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 24 83 6b 7a 41 54 55 53 0f 1f 44 00 00 e8 06 69 af fb e9 07 00 00 00 0f 00 2d 0a 25 4c 00 fb f4 <65> 44 8b 2d 00 83 6b 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 27.219726][ T399] syz-executor916 (399) used greatest stack depth: 16592 bytes left
[ 27.220481][ C1] RSP: 0018:ffff8881da227da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 27.220495][ C1] RAX: 0000000000000007 RBX: ffff8881da20b180 RCX: 0000000000000000
[ 27.220508][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da20b9fc
[ 27.236009][ T407] usb 2-1: USB disconnect, device number 2
executing program
executing program
[ 27.236856][ C1] RBP: ffffed103b441630 R08: ffff8881da20b180 R09: 0000000000000000
[ 27.236864][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 27.236871][ C1] R13: 0000000000000001 R14: ffffffff87e88e80 R15: 0000000000000000
[ 27.236895][ C1] ? default_idle+0x1a/0x300
[ 27.260278][ T407] usb 2-1: ath9k_htc: USB layer deinitialized
[ 27.266552][ C1] do_idle+0x3e0/0x500
[ 27.266567][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 27.266581][ C1] cpu_startup_entry+0x14/0x20
[ 27.266595][ C1] start_secondary+0x2ae/0x390
[ 27.266606][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 27.266618][ C1] secondary_startup_64+0xb6/0xc0
[ 27.266624][ C1]
[ 27.266631][ C1] Allocated by task 140:
[ 27.266647][ C1] save_stack+0x1b/0x40
[ 27.266656][ C1] __kasan_kmalloc.constprop.0+0xbf/0xd0
[ 27.266666][ C1] kmem_cache_alloc+0xd8/0x300
[ 27.266676][ C1] getname_flags+0xd2/0x5b0
[ 27.266691][ C1] user_path_at_empty+0x2a/0x50
[ 27.266702][ C1] do_faccessat+0x248/0x7a0
[ 27.266712][ C1] do_syscall_64+0xb6/0x5a0
executing program
[ 27.266726][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 27.266730][ C1]
[ 27.266736][ C1] Freed by task 140:
[ 27.266747][ C1] save_stack+0x1b/0x40
[ 27.266758][ C1] __kasan_slab_free+0x117/0x160
[ 27.266768][ C1] kmem_cache_free+0x9b/0x360
[ 27.266776][ C1] putname+0xe1/0x120
[ 27.266786][ C1] filename_lookup+0x282/0x3e0
[ 27.266795][ C1] do_faccessat+0x248/0x7a0
[ 27.266805][ C1] do_syscall_64+0xb6/0x5a0
[ 27.266817][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 27.266821][ C1]
[ 27.266830][ C1] The buggy address belongs to the object at ffff8881c2dc3300
[ 27.266830][ C1] which belongs to the cache names_cache of size 4096
[ 27.266840][ C1] The buggy address is located 3536 bytes inside of
[ 27.266840][ C1] 4096-byte region [ffff8881c2dc3300, ffff8881c2dc4300)
[ 27.266845][ C1] The buggy address belongs to the page:
[ 27.266862][ C1] page:ffffea00070b7000 refcount:1 mapcount:0 mapping:00000000cbfbae5d index:0x0 head:ffffea00070b7000 order:3 compound_mapcount:0 compound_pincount:0
[ 27.266873][ C1] flags: 0x200000000010200(slab|head)
[ 27.266888][ C1] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da11e000
[ 27.266897][ C1] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000
[ 27.266901][ C1] page dumped because: kasan: bad access detected
[ 27.266904][ C1]
[ 27.266907][ C1] Memory state around the buggy address:
[ 27.266915][ C1] ffff8881c2dc3f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.266922][ C1] ffff8881c2dc4000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.266929][ C1] >ffff8881c2dc4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.266933][ C1] ^
[ 27.266940][ C1] ffff8881c2dc4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.266947][ C1] ffff8881c2dc4180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.266951][ C1] ==================================================================
[ 27.266955][ C1] Disabling lock debugging due to kernel taint
[ 27.266960][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 27.266970][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.7.0-rc5-syzkaller #0
[ 27.266976][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 27.266979][ C1] Call Trace:
[ 27.266984][ C1]
[ 27.266996][ C1] dump_stack+0xef/0x16e
[ 27.267013][ C1] panic+0x2aa/0x6e1
[ 27.365145][ T380] usb 4-1: USB disconnect, device number 2
[ 27.367595][ C1] ? add_taint.cold+0x16/0x16
[ 27.367608][ C1] ? print_shadow_for_address+0xb8/0x114
[ 27.367624][ C1] ? trace_hardirqs_off+0x50/0x200
[ 27.385197][ T380] usb 4-1: ath9k_htc: USB layer deinitialized
[ 27.387531][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.387542][ C1] end_report+0x4d/0x53
[ 27.387557][ C1] __kasan_report.cold+0x72/0x92
[ 27.434732][ T409] usb 6-1: USB disconnect, device number 2
[ 27.440994][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.441011][ C1] ? ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.449291][ T417] usb 3-1: USB disconnect, device number 2
[ 27.461796][ C1] kasan_report+0x33/0x50
[ 27.461812][ C1] ath9k_hif_usb_rx_cb+0xe64/0xf90
[ 27.461823][ C1] ? hif_usb_mgmt_cb+0x310/0x310
[ 27.461834][ C1] ? usb_hcd_unmap_urb_setup_for_dma+0x8a/0x470
[ 27.461844][ C1] ? do_raw_read_unlock+0x3b/0x70
[ 27.461856][ C1] ? _raw_read_unlock+0x1a/0x30
[ 27.461865][ C1] __usb_hcd_giveback_urb+0x1f2/0x470
[ 27.461873][ C1] usb_hcd_giveback_urb+0x368/0x420
[ 27.461887][ C1] dummy_timer+0x125e/0x32b4
[ 27.461901][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.461913][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.461929][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.475784][ T417] usb 3-1: ath9k_htc: USB layer deinitialized
[ 27.475844][ C1] call_timer_fn+0x1ac/0x700
[ 27.673895][ T407] usb 2-1: new high-speed USB device number 3 using dummy_hcd
[ 27.677454][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.677468][ C1] ? timer_fixup_init+0x60/0x60
[ 27.677479][ C1] ? lock_downgrade+0x720/0x720
[ 27.677498][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.753769][ T380] usb 4-1: new high-speed USB device number 3 using dummy_hcd
[ 27.756795][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.774993][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 27.780166][ C1] ? dummy_udc_probe+0x980/0x980
[ 27.785077][ C1] run_timer_softirq+0x5f9/0x1500
[ 27.790070][ C1] ? add_timer+0x7a0/0x7a0
[ 27.794482][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 27.800005][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 27.805262][ C1] __do_softirq+0x21e/0x9aa
[ 27.809742][ C1] irq_exit+0x178/0x1a0
[ 27.813880][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 27.819410][ C1] apic_timer_interrupt+0xf/0x20
[ 27.824319][ C1]
[ 27.827270][ C1] RIP: 0010:default_idle+0x28/0x300
[ 27.832450][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 24 83 6b 7a 41 54 55 53 0f 1f 44 00 00 e8 06 69 af fb e9 07 00 00 00 0f 00 2d 0a 25 4c 00 fb f4 <65> 44 8b 2d 00 83 6b 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 27.852078][ C1] RSP: 0018:ffff8881da227da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 27.860508][ C1] RAX: 0000000000000007 RBX: ffff8881da20b180 RCX: 0000000000000000
[ 27.868456][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da20b9fc
[ 27.876404][ C1] RBP: ffffed103b441630 R08: ffff8881da20b180 R09: 0000000000000000
[ 27.884404][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 27.892350][ C1] R13: 0000000000000001 R14: ffffffff87e88e80 R15: 0000000000000000
[ 27.900316][ C1] ? default_idle+0x1a/0x300
[ 27.904888][ C1] do_idle+0x3e0/0x500
[ 27.908929][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 27.913926][ C1] cpu_startup_entry+0x14/0x20
[ 27.918664][ C1] start_secondary+0x2ae/0x390
[ 27.923417][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 27.928850][ C1] secondary_startup_64+0xb6/0xc0
[ 27.933929][ C1] Kernel Offset: disabled
[ 27.938234][ C1] Rebooting in 86400 seconds..