smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 smsmdtv:smscore_set_device_mode: mode detect failed -22 smsmdtv:smscore_start_device: set device mode failed , rc -22 smsusb:smsusb_init_device: smscore_start_device(...) failed ------------[ cut here ]------------ !PageLargeKmalloc(page) WARNING: mm/slub.c:6352 at free_large_kmalloc+0xa3/0x140 mm/slub.c:6352, CPU#1: kworker/1:0/24 Modules linked in: CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0xa3/0x140 mm/slub.c:6352 Code: f8 ff 74 17 25 00 00 00 ff 3d 00 00 00 f8 0f 85 a0 00 00 00 c7 43 30 ff ff ff ff 48 89 df 89 ee 5b 41 5e 5d e9 1e c8 fc ff 90 <0f> 0b 90 48 89 df 48 c7 c6 69 cc f0 8d 5b 41 5e 5d e9 c7 06 04 ff RSP: 0018:ffffc900001e6b40 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0001081880 RCX: 0000000000100001 RDX: ffffc9001b22e000 RSI: ffff888042062000 RDI: ffffea0001081880 RBP: 0000000000000000 R08: ffff88806f620b03 R09: 1ffff1100dec4160 R10: dffffc0000000000 R11: ffffed100dec4161 R12: 1ffff110053c4682 R13: ffff88802bb4be80 R14: ffff88806f620b60 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125564000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000002d000 CR3: 00000000794f4000 CR4: 00000000003526f0 DR0: 000000000000000a DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: urb_destroy drivers/usb/core/urb.c:25 [inline] kref_put include/linux/kref.h:65 [inline] usb_free_urb+0xd0/0x120 drivers/usb/core/urb.c:96 smsusb_term_device+0x1d7/0x3e0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1aba/0x2280 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x668/0xc90 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x267/0xaf0 drivers/base/dd.c:661 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb70 drivers/base/core.c:3689 usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2208 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x267/0xaf0 drivers/base/dd.c:661 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb70 drivers/base/core.c:3689 usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695 hub_port_connect drivers/usb/core/hub.c:5567 [inline] hub_port_connect_change drivers/usb/core/hub.c:5707 [inline] port_event drivers/usb/core/hub.c:5871 [inline] hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953 process_one_work kernel/workqueue.c:3275 [inline] process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245