------------[ cut here ]------------ WARNING: CPU: 1 PID: 38 at mm/slub.c:4766 free_large_kmalloc+0x120/0x1a0 mm/slub.c:4766 Modules linked in: CPU: 1 UID: 0 PID: 38 Comm: kworker/1:1 Not tainted 6.15.0-rc4-syzkaller-00104-g588d032e9e56 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x120/0x1a0 mm/slub.c:4766 Code: ff ff ff e8 82 f3 b3 ff 89 ea be 06 00 00 00 48 89 df e8 33 87 0a 00 e8 ae f1 b3 ff 9c 58 f6 c4 02 75 75 fb e9 65 ff ff ff 90 <0f> 0b 90 48 c7 c6 d6 aa ac 88 48 89 df 5b 5d 41 5c 41 5d e9 68 e6 RSP: 0018:ffffc90000286dc0 EFLAGS: 00010202 RAX: 0200000000000000 RBX: ffffea0004f33880 RCX: ffffc90010cb9000 RDX: 0000000000100000 RSI: ffff88813cce2000 RDI: ffffea0004f33880 RBP: ffff88813cce2000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff81d7ff93 R12: ffff88811f6d2000 R13: ffff888116c25000 R14: dffffc0000000000 R15: ffff88811f6d20f0 FS: 0000000000000000(0000) GS:ffff8882692c4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2157627bac CR3: 0000000112f46000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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+0x300/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 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+0xec/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2663 hub_port_connect drivers/usb/core/hub.c:5535 [inline] hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] port_event drivers/usb/core/hub.c:5835 [inline] hub_event+0x2f85/0x5030 drivers/usb/core/hub.c:5917 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245