Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. executing program [ 56.128900][ T3321] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 56.678901][ T3321] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 56.689590][ T3321] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 56.697734][ T3321] usb 1-1: Product: syz [ 56.702563][ T3321] usb 1-1: Manufacturer: syz [ 56.707189][ T3321] usb 1-1: SerialNumber: syz [ 56.750803][ T3321] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 57.368737][ T3321] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 57.788739][ C1] ================================================================== [ 57.797711][ C1] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.805478][ C1] Read of size 41740 at addr ffff88802d308000 by task swapper/1/0 [ 57.814187][ C1] [ 57.816513][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.12.0-rc1-syzkaller #0 [ 57.824558][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.834604][ C1] Call Trace: [ 57.837877][ C1] [ 57.840708][ C1] dump_stack+0xfa/0x151 [ 57.844954][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.850849][ C1] print_address_description.constprop.0.cold+0x5b/0x2f8 [ 57.857860][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.864720][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.870256][ C1] kasan_report.cold+0x7c/0xd8 [ 57.875101][ C1] ? spin_bug+0xf0/0x100 [ 57.879327][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.884700][ C1] kasan_check_range+0x13d/0x180 [ 57.889627][ C1] memcpy+0x20/0x60 [ 57.894138][ C1] ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 57.899332][ C1] ? hif_usb_start+0xa0/0xa0 [ 57.903925][ C1] ? __usb_hcd_giveback_urb+0x413/0x5c0 [ 57.909631][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 57.914663][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 57.920551][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 57.925916][ C1] dummy_timer+0x11f4/0x32a0 [ 57.930515][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 57.935268][ C1] ? lock_is_held_type+0xd5/0x130 [ 57.940371][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 57.945237][ C1] call_timer_fn+0x1a5/0x6b0 [ 57.949831][ C1] ? add_timer_on+0x4a0/0x4a0 [ 57.954521][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 57.959661][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.965006][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 57.970369][ C1] __run_timers.part.0+0x67c/0xa50 [ 57.975563][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 57.981734][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 57.987503][ C1] ? sched_clock+0x2a/0x40 [ 57.992073][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 57.997326][ C1] run_timer_softirq+0xb3/0x1d0 [ 58.002378][ C1] __do_softirq+0x29b/0x9f6 [ 58.008866][ C1] irq_exit_rcu+0x134/0x200 [ 58.014773][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 58.022167][ C1] [ 58.025111][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 58.031448][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 58.037263][ C1] Code: 3d 07 6e f8 84 db 75 ac e8 b4 00 6e f8 e8 6f ea 73 f8 e9 0c 00 00 00 e8 a5 00 6e f8 0f 00 2d ae 39 c5 00 e8 99 00 6e f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 08 6e f8 48 85 db [ 58.057668][ C1] RSP: 0018:ffffc90000d47d18 EFLAGS: 00000293 [ 58.064006][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.072047][ C1] RDX: ffff8880115c3780 RSI: ffffffff890536d7 RDI: 0000000000000000 [ 58.080093][ C1] RBP: ffff8881414cd864 R08: 0000000000000001 R09: 0000000000000001 [ 58.088054][ C1] R10: ffffffff81792168 R11: 0000000000000000 R12: 0000000000000001 [ 58.096277][ C1] R13: ffff8881414cd800 R14: ffff8881414cd864 R15: ffff888017f01804 [ 58.104241][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 58.109264][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 58.114557][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 58.119739][ C1] acpi_idle_enter+0x361/0x500 [ 58.124670][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 58.129771][ C1] cpuidle_enter+0x4a/0xa0 [ 58.134177][ C1] do_idle+0x3e1/0x590 [ 58.138234][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 58.143333][ C1] ? _raw_spin_unlock_bh+0x10/0x30 [ 58.148973][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 58.154250][ C1] cpu_startup_entry+0x14/0x20 [ 58.159095][ C1] start_secondary+0x274/0x350 [ 58.164846][ C1] ? set_cpu_sibling_map+0x2460/0x2460 [ 58.170313][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 58.176206][ C1] [ 58.178515][ C1] The buggy address belongs to the page: [ 58.184218][ C1] page:000000002d440752 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d308 [ 58.194793][ C1] head:000000002d440752 order:3 compound_mapcount:0 compound_pincount:0 [ 58.203674][ C1] flags: 0xfff00000010000(head) [ 58.208607][ C1] raw: 00fff00000010000 dead000000000100 dead000000000122 0000000000000000 [ 58.217190][ C1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 58.225752][ C1] page dumped because: kasan: bad access detected [ 58.232156][ C1] [ 58.235070][ C1] Memory state around the buggy address: [ 58.240677][ C1] ffff88802d30ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 58.248726][ C1] ffff88802d30ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 58.256782][ C1] >ffff88802d310000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.265101][ C1] ^ [ 58.269241][ C1] ffff88802d310080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.278178][ C1] ffff88802d310100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.286859][ C1] ================================================================== [ 58.295071][ C1] Disabling lock debugging due to kernel taint [ 58.301594][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 58.309027][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.12.0-rc1-syzkaller #0 [ 58.319154][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.329302][ C1] Call Trace: [ 58.332670][ C1] [ 58.335843][ C1] dump_stack+0xfa/0x151 [ 58.340070][ C1] panic+0x306/0x73d [ 58.343965][ C1] ? __warn_printk+0xf3/0xf3 [ 58.348542][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 58.353998][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 58.359615][ C1] end_report.cold+0x5a/0x5a [ 58.364206][ C1] kasan_report.cold+0x6a/0xd8 [ 58.369557][ C1] ? spin_bug+0xf0/0x100 [ 58.374479][ C1] ? ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 58.380123][ C1] kasan_check_range+0x13d/0x180 [ 58.385650][ C1] memcpy+0x20/0x60 [ 58.389466][ C1] ath9k_hif_usb_rx_cb+0x3d3/0x1050 [ 58.395314][ C1] ? hif_usb_start+0xa0/0xa0 [ 58.399907][ C1] ? __usb_hcd_giveback_urb+0x413/0x5c0 [ 58.405436][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 58.410273][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 58.415818][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 58.421000][ C1] dummy_timer+0x11f4/0x32a0 [ 58.425845][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 58.430596][ C1] ? lock_is_held_type+0xd5/0x130 [ 58.435725][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 58.440487][ C1] call_timer_fn+0x1a5/0x6b0 [ 58.445409][ C1] ? add_timer_on+0x4a0/0x4a0 [ 58.450068][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 58.454991][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 58.460172][ C1] ? dummy_dequeue+0x4a0/0x4a0 [ 58.464935][ C1] __run_timers.part.0+0x67c/0xa50 [ 58.470035][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 58.475129][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 58.480652][ C1] ? sched_clock+0x2a/0x40 [ 58.485051][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 58.489901][ C1] run_timer_softirq+0xb3/0x1d0 [ 58.495430][ C1] __do_softirq+0x29b/0x9f6 [ 58.500028][ C1] irq_exit_rcu+0x134/0x200 [ 58.505206][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 58.511133][ C1] [ 58.514068][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 58.520038][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 58.526266][ C1] Code: 3d 07 6e f8 84 db 75 ac e8 b4 00 6e f8 e8 6f ea 73 f8 e9 0c 00 00 00 e8 a5 00 6e f8 0f 00 2d ae 39 c5 00 e8 99 00 6e f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 74 08 6e f8 48 85 db [ 58.549412][ C1] RSP: 0018:ffffc90000d47d18 EFLAGS: 00000293 [ 58.555813][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.564211][ C1] RDX: ffff8880115c3780 RSI: ffffffff890536d7 RDI: 0000000000000000 [ 58.572265][ C1] RBP: ffff8881414cd864 R08: 0000000000000001 R09: 0000000000000001 [ 58.580409][ C1] R10: ffffffff81792168 R11: 0000000000000000 R12: 0000000000000001 [ 58.588360][ C1] R13: ffff8881414cd800 R14: ffff8881414cd864 R15: ffff888017f01804 [ 58.596493][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 58.601514][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 58.606703][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 58.611902][ C1] acpi_idle_enter+0x361/0x500 [ 58.616655][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 58.621773][ C1] cpuidle_enter+0x4a/0xa0 [ 58.626188][ C1] do_idle+0x3e1/0x590 [ 58.630329][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 58.635348][ C1] ? _raw_spin_unlock_bh+0x10/0x30 [ 58.640445][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 58.645718][ C1] cpu_startup_entry+0x14/0x20 [ 58.650469][ C1] start_secondary+0x274/0x350 [ 58.655222][ C1] ? set_cpu_sibling_map+0x2460/0x2460 [ 58.660666][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 58.670316][ C1] Kernel Offset: disabled [ 58.674639][ C1] Rebooting in 86400 seconds..