general protection fault, probably for non-canonical address 0xdffffc00000001f2: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f90-0x0000000000000f97] CPU: 1 PID: 3053 Comm: kworker/1:3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:606 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xb34/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 04 04 00 00 4d 8b 6d 08 49 8d bd 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e d8 03 00 00 41 83 85 90 0f 00 RSP: 0018:ffff8881db309920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: ffff8881d044b3c0 RCX: ffffc900006a8000 RDX: 0000000000040000 RSI: ffffffff82e1fb7d RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d0edfee3 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d238241c R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f29000 CR3: 00000001d2789000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1773 __run_timers kernel/time/timer.c:1745 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786 __do_softirq+0x222/0x95b kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:console_unlock+0xa99/0xcd0 kernel/printk/printk.c:2501 Code: 00 89 ee 48 c7 c7 a0 ec 34 87 e8 e2 b7 03 00 65 ff 0d cb 79 d8 7e e9 87 f9 ff ff e8 a1 2c 16 00 e8 ec b7 1b 00 ff 74 24 30 9d 20 fe ff ff e8 8d 2c 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 RSP: 0018:ffff8881d057e840 EFLAGS: 00000246 RAX: 0000000000113397 RBX: 0000000000000200 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81297544 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff82b038b0 R13: ffffffff876f5230 R14: 0000000000000050 R15: dffffc0000000000 vprintk_emit+0x1b2/0x460 kernel/printk/printk.c:2021 dev_vprintk_emit+0x3eb/0x436 drivers/base/core.c:3883 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3894 __dev_printk+0xcf/0xf5 drivers/base/core.c:3906 _dev_warn+0xd7/0x109 drivers/base/core.c:3950 hid_parser_main.cold+0xa2/0xf1 drivers/hid/hid-core.c:630 hid_open_report+0x375/0x640 drivers/hid/hid-core.c:1253 hid_parse include/linux/hid.h:1017 [inline] cmhid_probe+0xe1/0x170 drivers/hid/hid-cmedia.c:117 hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2263 really_probe+0x291/0xc90 drivers/base/dd.c:525 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x28d/0x430 drivers/base/dd.c:873 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb09/0x1b40 drivers/base/core.c:2680 hid_add_device+0x344/0x9b0 drivers/hid/hid-core.c:2419 usbhid_probe+0xaae/0xfc0 drivers/hid/usbhid/hid-core.c:1407 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374 really_probe+0x291/0xc90 drivers/base/dd.c:525 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x28d/0x430 drivers/base/dd.c:873 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb09/0x1b40 drivers/base/core.c:2680 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:241 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272 really_probe+0x291/0xc90 drivers/base/dd.c:525 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x28d/0x430 drivers/base/dd.c:873 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb09/0x1b40 drivers/base/core.c:2680 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2417 kthread+0x392/0x470 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace f6de2906880ce08c ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:606 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xb34/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 04 04 00 00 4d 8b 6d 08 49 8d bd 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e d8 03 00 00 41 83 85 90 0f 00 RSP: 0018:ffff8881db309920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: ffff8881d044b3c0 RCX: ffffc900006a8000 RDX: 0000000000040000 RSI: ffffffff82e1fb7d RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d0edfee3 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d238241c R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f29000 CR3: 00000001d2789000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400