------------[ cut here ]------------ WARNING: CPU: 1 PID: 19595 at mm/slub.c:4790 free_large_kmalloc+0x114/0x180 mm/slub.c:4790 Modules linked in: CPU: 1 UID: 0 PID: 19595 Comm: kworker/1:9 Not tainted 6.16.0-syzkaller-12288-g2b38afce25c4 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x114/0x180 mm/slub.c:4790 Code: 00 00 00 48 89 df e8 1b ec 0a 00 e8 36 dd b1 ff 9c 58 f6 c4 02 75 6f fb eb 83 48 c7 c6 a0 85 c4 88 e8 c0 18 f1 ff 90 0f 0b 90 <0f> 0b 90 48 c7 c6 06 79 d1 88 48 89 df 5b 5d 41 5c 41 5d e9 a4 18 RSP: 0018:ffffc90003b2edb8 EFLAGS: 00010202 RAX: 0200000000000000 RBX: ffffea0005067880 RCX: ffffc9001137c000 RDX: 00000000000000ff RSI: ffff8881419e2000 RDI: ffffea0005067880 RBP: ffff8881419e2000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff81dbf7e3 R12: ffff888112b25000 R13: ffff88810abc5000 R14: dffffc0000000000 R15: ffff888112b250f0 FS: 0000000000000000(0000) GS:ffff888268ffc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000031c0 CR3: 00000000090a4000 CR4: 00000000003506f0 Call Trace: urb_destroy drivers/usb/core/urb.c:25 [inline] kref_put include/linux/kref.h:65 [inline] usb_free_urb.part.0+0xe5/0x100 drivers/usb/core/urb.c:97 usb_free_urb+0x1f/0x30 drivers/usb/core/urb.c:96 smsusb_term_device+0x108/0x1e0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device+0xaa0/0xe00 drivers/media/usb/siano/smsusb.c:497 smsusb_probe+0x5d3/0x1090 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x300/0xa40 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:959 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1031 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1aa0 drivers/base/core.c:3689 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:581 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:959 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1031 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1aa0 drivers/base/core.c:3689 usb_new_device+0xd07/0x1a60 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:5870 [inline] hub_event+0x2fce/0x5060 drivers/usb/core/hub.c:5952 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x5b6/0x6c0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245