Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 1 PID: 3647 Comm: kworker/1:4 Not tainted 6.8.0-rc1-syzkaller-00008-g3951f6add519 #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: usb_hub_wq hub_event Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:121 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:127 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe8/0x154 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] panic+0x33c/0x77a kernel/panic.c:344 [] schedule_debug kernel/sched/core.c:5954 [inline] [] __schedule+0x313e/0x3196 kernel/sched/core.c:6620 [] preempt_schedule_irq+0x7c/0x18e kernel/sched/core.c:7047 [] raw_irqentry_exit_cond_resched kernel/entry/common.c:305 [inline] [] raw_irqentry_exit_cond_resched kernel/entry/common.c:297 [inline] [] irqentry_exit+0x138/0x17a kernel/entry/common.c:348 [] do_irq+0x34/0x4c arch/riscv/kernel/traps.c:375 [] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:112 [] __sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:432 [] deliver_to_subscribers sound/core/seq/seq_clientmgr.c:773 [inline] [] snd_seq_deliver_event+0x186/0x4a0 sound/core/seq/seq_clientmgr.c:816 [] snd_seq_kernel_client_dispatch+0x15e/0x184 sound/core/seq/seq_clientmgr.c:2496 [] snd_seq_system_broadcast+0xfc/0x144 sound/core/seq/seq_system.c:86 [] snd_seq_ioctl_create_port+0x386/0x840 sound/core/seq/seq_clientmgr.c:1348 [] snd_seq_kernel_client_ctl+0x10a/0x1a4 sound/core/seq/seq_clientmgr.c:2526 [] snd_seq_midisynth_probe+0x62a/0x13f2 sound/core/seq/seq_midi.c:389 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] snd_seq_device_dev_register+0x3e/0xea sound/core/seq_device.c:170 [] __snd_device_register sound/core/device.c:149 [inline] [] snd_device_register+0x12e/0x1b6 sound/core/device.c:179 [] snd_rawmidi_dev_register+0x7a6/0xf68 sound/core/rawmidi.c:2096 [] __snd_device_register sound/core/device.c:149 [inline] [] snd_device_register_all+0xee/0x15c sound/core/device.c:197 [] snd_card_register+0x11c/0x6ee sound/core/init.c:897 [] try_to_register_card+0x1c0/0x316 sound/usb/card.c:754 [] usb_audio_probe+0xa00/0x3024 sound/usb/card.c:896 [] usb_probe_interface+0x2d4/0x8a2 drivers/usb/core/driver.c:399 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] usb_set_configuration+0xfe0/0x1b10 drivers/usb/core/message.c:2207 [] usb_generic_driver_probe+0xae/0x128 drivers/usb/core/generic.c:254 [] usb_probe_device+0xd6/0x340 drivers/usb/core/driver.c:294 [] call_driver_probe drivers/base/dd.c:579 [inline] [] really_probe+0x234/0xbbc drivers/base/dd.c:658 [] __driver_probe_device+0x1d4/0x458 drivers/base/dd.c:800 [] driver_probe_device+0x60/0x1ce drivers/base/dd.c:830 [] __device_attach_driver+0x1e4/0x2fe drivers/base/dd.c:958 [] bus_for_each_drv+0x142/0x1da drivers/base/bus.c:457 [] __device_attach+0x1c4/0x462 drivers/base/dd.c:1030 [] device_initial_probe+0x1c/0x26 drivers/base/dd.c:1079 [] bus_probe_device+0x15c/0x192 drivers/base/bus.c:532 [] device_add+0x112c/0x186e drivers/base/core.c:3625 [] usb_new_device+0x960/0x1648 drivers/usb/core/hub.c:2596 [] hub_port_connect drivers/usb/core/hub.c:5465 [inline] [] hub_port_connect_change drivers/usb/core/hub.c:5605 [inline] [] port_event drivers/usb/core/hub.c:5765 [inline] [] hub_event+0x2954/0x4756 drivers/usb/core/hub.c:5847 [] process_one_work+0x7ce/0x179c kernel/workqueue.c:2633 [] process_scheduled_works kernel/workqueue.c:2706 [inline] [] worker_thread+0xadc/0x10f8 kernel/workqueue.c:2787 [] kthread+0x28c/0x3a6 kernel/kthread.c:388 [] ret_from_fork+0xe/0x1c arch/riscv/kernel/entry.S:229 SMP: stopping secondary CPUs Rebooting in 86400 seconds..