Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 vpanic+0x552/0x970 kernel/panic.c:651
 panic+0xd1/0xe0 kernel/panic.c:788
 check_panic_on_warn kernel/panic.c:525 [inline]
 check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:520
 __warn.cold+0x191/0x318 kernel/panic.c:1104
 __report_bug+0x30f/0x440 lib/bug.c:254
 report_bug+0xb2/0x220 lib/bug.c:286
 handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436
 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490
 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:free_large_kmalloc+0xbf/0x100 mm/slub.c:6602
Code: 28 90 0f 0b 90 80 3d c5 04 9d 0e 00 0f 84 67 cc b6 fe 48 8b 74 24 28 48 89 ef e8 8c 3b 0c 00 b8 00 f0 ff ff 45 31 ed eb 9d 90 <0f> 0b 90 48 83 c4 08 48 89 df 48 c7 c6 70 7e 19 8e 5b 5d 41 5c 41
RSP: 0018:ffffc900001e6d80 EFLAGS: 00010202
RAX: 00000000000000ff RBX: ffffea0000eeb880 RCX: 0000000000000030
RDX: 0000000000000000 RSI: ffff88803bae2000 RDI: ffffea0000eeb880
RBP: ffff88803bae2000 R08: 0000000000000005 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000000 R12: ffff888051441000
R13: ffff888036735000 R14: dffffc0000000000 R15: ffff8880514410f0
 urb_destroy drivers/usb/core/urb.c:25 [inline]
 kref_put include/linux/kref.h:65 [inline]
 usb_free_urb.part.0+0xf8/0x110 drivers/usb/core/urb.c:96
 usb_free_urb+0x1f/0x30 drivers/usb/core/urb.c:95
 smsusb_term_device+0x108/0x200 drivers/media/usb/siano/smsusb.c:352
 smsusb_init_device+0xb4e/0xbb0 drivers/media/usb/siano/smsusb.c:497
 smsusb_probe+0xd7f/0xe1f drivers/media/usb/siano/smsusb.c:575
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..