usb 5-1: new high-speed USB device number 2 using dummy_hcd usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x7 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 0 usb 5-1: config 0 interface 0 altsetting 0 bulk endpoint 0x89 has invalid maxpacket 202 usb 5-1: New USB device found, idVendor=2040, idProduct=2000, bcdDevice=65.72 usb 5-1: New USB device strings: Mfr=151, Product=0, SerialNumber=0 usb 5-1: Manufacturer: syz usb 5-1: config 0 descriptor?? smsusb:smsusb_probe: board id=9, interface number 0 smsusb:siano_media_device_register: media controller created 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 ]------------ WARNING: CPU: 0 PID: 1364 at mm/slub.c:4753 free_large_kmalloc+0x165/0x200 mm/slub.c:4753 Modules linked in: CPU: 0 UID: 0 PID: 1364 Comm: kworker/0:3 Not tainted 6.16.0-rc4-syzkaller-00286-gc435a4f487e8 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x165/0x200 mm/slub.c:4753 Code: 75 08 48 89 df e8 9b 12 e2 ff 65 48 8b 05 63 1a 87 10 48 3b 44 24 08 75 53 48 83 c4 10 5b 41 5e 41 5f 5d e9 cd fc 58 09 cc 90 <0f> 0b 90 65 48 8b 05 40 1a 87 10 48 3b 44 24 08 75 30 48 89 df 48 RSP: 0018:ffffc90002b8eb08 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00014d5880 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888053562000 RDI: ffffea00014d5880 RBP: 0000000000000100 R08: ffff8880358ef603 R09: 1ffff11006b1dec0 R10: dffffc0000000000 R11: ffffed1006b1dec1 R12: 1ffff110022ec482 R13: ffff888043b6c100 R14: ffff8880358ef660 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88808d21c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcf2ae9eef CR3: 00000000114db000 CR4: 0000000000352ef0 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:97 smsusb_term_device+0x1d6/0x3b0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1a04/0x2060 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x644/0xbc0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26a/0x9a0 drivers/base/dd.c:657 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799 driver_probe_device+0x4f/0x430 drivers/base/dd.c:829 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1029 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3692 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26a/0x9a0 drivers/base/dd.c:657 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799 driver_probe_device+0x4f/0x430 drivers/base/dd.c:829 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1029 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3692 usb_new_device+0xa39/0x16c0 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+0x2941/0x4a00 drivers/usb/core/hub.c:5948 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245