------------[ cut here ]------------ URB ffff88801fa6dd00 submitted while active WARNING: CPU: 0 PID: 4409 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfb8/0x18d0 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 PID: 4409 Comm: kworker/0:8 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xfb8/0x18d0 drivers/usb/core/urb.c:379 Code: 2e 8b 44 89 ea e8 49 d3 fd 03 e9 bb fb ff ff e8 de 18 57 fb c6 05 32 8d e1 07 01 48 c7 c7 40 e8 2e 8b 48 89 de e8 18 a3 22 fb <0f> 0b e9 be f0 ff ff e8 bc 18 57 fb eb 1f e8 b5 18 57 fb 44 8b 64 RSP: 0018:ffffc90004cb6d80 EFLAGS: 00010246 RAX: eb16c7b934582900 RBX: ffff88801fa6dd00 RCX: 0000000000100000 RDX: ffffc9001a920000 RSI: 00000000000329d8 RDI: 00000000000329d9 RBP: 1ffff1100b2df40a R08: ffffc90004cb6a07 R09: 1ffff92000996d40 R10: dffffc0000000000 R11: fffff52000996d41 R12: 0000000000000cc0 R13: 1ffff1100b2df409 R14: ffff88801fa6dd08 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3c42fd CR3: 000000005c792000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: port100_send_frame_async drivers/nfc/port100.c:783 [inline] port100_send_cmd_async+0x81c/0xc60 drivers/nfc/port100.c:879 port100_send_cmd_sync drivers/nfc/port100.c:919 [inline] port100_set_command_type+0x1c4/0x380 drivers/nfc/port100.c:990 port100_probe+0x9ea/0xdb0 drivers/nfc/port100.c:1570 usb_probe_interface+0x5be/0xae0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x24a/0xb40 drivers/base/dd.c:638 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:804 driver_probe_device+0x4f/0x420 drivers/base/dd.c:834 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:962 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429 __device_attach+0x2a7/0x480 drivers/base/dd.c:1034 bus_probe_device+0xba/0x1d0 drivers/base/bus.c:489 device_add+0xbcf/0x1050 drivers/base/core.c:3712 usb_set_configuration+0x19d5/0x2030 drivers/usb/core/message.c:2223 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x126/0x250 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x24a/0xb40 drivers/base/dd.c:638 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:804 driver_probe_device+0x4f/0x420 drivers/base/dd.c:834 __device_attach_driver+0x2c6/0x510 drivers/base/dd.c:962 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429 __device_attach+0x2a7/0x480 drivers/base/dd.c:1034 bus_probe_device+0xba/0x1d0 drivers/base/bus.c:489 device_add+0xbcf/0x1050 drivers/base/core.c:3712 usb_new_device+0xa01/0x15e0 drivers/usb/core/hub.c:2659 hub_port_connect drivers/usb/core/hub.c:5517 [inline] hub_port_connect_change drivers/usb/core/hub.c:5657 [inline] port_event drivers/usb/core/hub.c:5817 [inline] hub_event+0x2b2f/0x5200 drivers/usb/core/hub.c:5899 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295