smsusb:siano_media_device_register: media controller created smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed smsusb:smsusb_init_device: smsusb_start_streaming(...) failed ------------[ cut here ]------------ WARNING: CPU: 2 PID: 24 at mm/slub.c:4752 free_large_kmalloc+0x120/0x1a0 mm/slub.c:4752 Modules linked in: CPU: 2 UID: 0 PID: 24 Comm: kworker/2:0 Not tainted 6.15.0-syzkaller #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+0x120/0x1a0 mm/slub.c:4752 Code: ff ff ff e8 42 55 ad ff 89 ea be 06 00 00 00 48 89 df e8 a3 4b 13 00 e8 6e 53 ad ff 9c 58 f6 c4 02 75 75 fb e9 65 ff ff ff 90 <0f> 0b 90 48 c7 c6 20 06 bd 8d 48 89 df 5b 5d 41 5c 41 5d e9 d8 58 RSP: 0018:ffffc9000062edb8 EFLAGS: 00010202 RAX: 00fff00000000000 RBX: ffffea0000e9f880 RCX: ffffffff816b74fc RDX: ffff88801deea440 RSI: ffff88803a7e2000 RDI: ffffea0000e9f880 RBP: ffff88803a7e2000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881007a4000 R13: ffff8881006b5000 R14: dffffc0000000000 R15: ffff8881007a40f0 FS: 0000000000000000(0000) GS:ffff8880d6bda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a99f47bcc8 CR3: 0000000032deb000 CR4: 0000000000352ef0 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+0x303/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x241/0xa90 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+0x159/0x1e0 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+0xef/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x241/0xa90 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+0x159/0x1e0 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:5531 [inline] hub_port_connect_change drivers/usb/core/hub.c:5671 [inline] port_event drivers/usb/core/hub.c:5831 [inline] hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5913 process_one_work+0x9cf/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