usb 1-1: New USB device found, idVendor=1b96, idProduct=000c, bcdDevice= 0.40 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 830 Comm: kworker/0:2 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: usb_hub_wq hub_event Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] panic+0x24a/0x634 kernel/panic.c:233 [] schedule_debug kernel/sched/core.c:5541 [inline] [] schedule+0x0/0x14c kernel/sched/core.c:6187 [] preempt_schedule_common+0x4e/0xde kernel/sched/core.c:6462 [] preempt_schedule+0x34/0x36 kernel/sched/core.c:6487 [] idr_preload_end include/linux/idr.h:174 [inline] [] __kernfs_new_node+0x5e8/0x5f2 fs/kernfs/dir.c:597 [] kernfs_new_node+0x66/0xbe fs/kernfs/dir.c:647 [] __kernfs_create_file+0x4e/0x1e8 fs/kernfs/file.c:987 [] sysfs_add_file_mode_ns+0x138/0x254 fs/sysfs/file.c:294 [] create_files fs/sysfs/group.c:64 [inline] [] internal_create_group+0x274/0x722 fs/sysfs/group.c:148 [] internal_create_groups.part.0+0x64/0xe8 fs/sysfs/group.c:188 [] internal_create_groups fs/sysfs/group.c:184 [inline] [] sysfs_create_groups+0x2c/0x48 fs/sysfs/group.c:214 [] device_add_groups drivers/base/core.c:2471 [inline] [] device_add_attrs drivers/base/core.c:2630 [inline] [] device_add+0x6d6/0x129e drivers/base/core.c:3356 [] usb_set_configuration+0xafe/0xf6a drivers/usb/core/message.c:2170 [] usb_generic_driver_probe+0xb2/0x122 drivers/usb/core/generic.c:238 [] usb_probe_device+0xa8/0x204 drivers/usb/core/driver.c:293 [] call_driver_probe drivers/base/dd.c:517 [inline] [] really_probe+0x1a6/0x89e drivers/base/dd.c:596 [] __driver_probe_device+0x24a/0x2d4 drivers/base/dd.c:752 [] driver_probe_device+0x60/0x1a4 drivers/base/dd.c:782 [] __device_attach_driver+0x17c/0x224 drivers/base/dd.c:899 [] bus_for_each_drv+0x132/0x1a6 drivers/base/bus.c:427 [] __device_attach+0x1e0/0x372 drivers/base/dd.c:970 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1017 [] bus_probe_device+0x144/0x154 drivers/base/bus.c:487 [] device_add+0x91e/0x129e drivers/base/core.c:3405 [] usb_new_device+0x5c8/0xd78 drivers/usb/core/hub.c:2566 [] hub_port_connect drivers/usb/core/hub.c:5358 [inline] [] hub_port_connect_change drivers/usb/core/hub.c:5502 [inline] [] port_event drivers/usb/core/hub.c:5660 [inline] [] hub_event+0x1b3e/0x3364 drivers/usb/core/hub.c:5742 [] process_one_work+0x654/0xffe kernel/workqueue.c:2307 [] worker_thread+0x360/0x8fa kernel/workqueue.c:2454 [] kthread+0x19e/0x1fa kernel/kthread.c:377 [] ret_from_exception+0x0/0x10 SMP: stopping secondary CPUs Rebooting in 86400 seconds..