sierra_net 5-1:0.11 wwan0: register 'sierra_net' at usb-dummy_hcd.4-1, Sierra Wireless USB-to-WWAN Modem, 00:00:00:00:02:0b ------------[ cut here ]------------ WARNING: CPU: 1 PID: 19889 at drivers/net/usb/usbnet.c:266 usbnet_status_start+0x189/0x1e0 drivers/net/usb/usbnet.c:266 Modules linked in: CPU: 1 UID: 0 PID: 19889 Comm: kworker/1:4 Not tainted 6.16.0-rc4-syzkaller-00311-gd1b07cc0868f #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:usbnet_status_start+0x189/0x1e0 drivers/net/usb/usbnet.c:266 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4e 48 8b bb 70 03 00 00 89 ee e8 25 95 0c 00 41 89 c5 e9 36 ff ff ff e8 a8 3f ec fc 90 <0f> 0b 90 45 31 ed e9 39 ff ff ff 4c 89 ff e8 d4 41 49 fd e9 e9 fe RSP: 0018:ffffc90001daf098 EFLAGS: 00010283 RAX: 0000000000072279 RBX: ffff888129568d00 RCX: ffffc9000f8ba000 RDX: 0000000000100000 RSI: ffffffff84919188 RDI: ffff888129568d00 RBP: 0000000000000cc0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000060da60 R12: ffff888129569070 R13: ffffffff89be8f70 R14: ffff888138caa028 R15: ffff888138caa024 FS: 0000000000000000(0000) GS:ffff888269262000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c339fa4 CR3: 0000000134328000 CR4: 00000000003506f0 Call Trace: sierra_net_probe drivers/net/usb/sierra_net.c:929 [inline] sierra_net_probe+0x70/0xb0 drivers/net/usb/sierra_net.c:921 usb_probe_interface+0x303/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_set_configuration+0x1187/0x1e20 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5866 [inline] hub_event+0x2f85/0x5030 drivers/usb/core/hub.c:5948 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5b3/0x6c0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245