------------[ cut here ]------------ WARNING: mm/slub.c:4790 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790, CPU#1: kworker/1:2/1873 Modules linked in: CPU: 1 UID: 0 PID: 1873 Comm: kworker/1:2 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790 Code: 44 89 f6 e8 26 1b fd ff 65 48 8b 05 ae 39 cd 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d e9 16 5f 68 09 cc 90 <0f> 0b 90 65 48 8b 05 89 39 cd 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc90004476b00 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0001715880 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88805c562000 RDI: ffffea0001715880 RBP: 0000000000000100 R08: ffff8880251a6a03 R09: 1ffff11004a34d40 R10: dffffc0000000000 R11: ffffed1004a34d41 R12: 1ffff1100682e882 R13: ffff888024ac3080 R14: ffff8880251a6a60 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881258af000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a3c7f3920 CR3: 000000000e336000 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: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+0x634/0xbf0 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:3691 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:3691 usb_new_device+0xa39/0x16f0 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:3239 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245