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:6393 at free_large_kmalloc+0xa3/0x140 mm/slub.c:6393, CPU#0: kworker/0:0/9 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0xa3/0x140 mm/slub.c:6393 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 6e c6 fc ff 90 <0f> 0b 90 48 89 df 48 c7 c6 e7 87 f1 8d 5b 41 5e 5d e9 67 2d 04 ff RSP: 0018:ffffc900000e6b20 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00016c9880 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff88805b262000 RDI: ffffea00016c9880 RBP: 0000000000000000 R08: ffff88807db22603 R09: 1ffff1100fb644c0 R10: dffffc0000000000 R11: ffffed100fb644c1 R12: 1ffff110060f8482 R13: ffff88801b78df00 R14: ffff88807db22660 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88812545a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b53bb1e9c CR3: 000000000e54a000 CR4: 00000000003526f0 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+0x659/0xc70 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x267/0xaf0 drivers/base/dd.c:709 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:851 driver_probe_device+0x4f/0x240 drivers/base/dd.c:881 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1009 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c5/0x450 drivers/base/dd.c:1081 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1136 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613 device_add+0x7b6/0xb70 drivers/base/core.c:3691 usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2266 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:709 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:851 driver_probe_device+0x4f/0x240 drivers/base/dd.c:881 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1009 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c5/0x450 drivers/base/dd.c:1081 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1136 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613 device_add+0x7b6/0xb70 drivers/base/core.c:3691 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:3288 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3371 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3452 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245