usb 1-1: 0:2 : does not exist ================================================================================ UBSAN: shift-out-of-bounds in sound/usb/mixer.c:2021:20 shift exponent 41 is too large for 32-bit type 'int' CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted 5.15.151-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 parse_audio_feature_unit sound/usb/mixer.c:2021 [inline] parse_audio_unit+0x270d/0x3d90 sound/usb/mixer.c:2871 snd_usb_mixer_controls sound/usb/mixer.c:3216 [inline] snd_usb_create_mixer+0x122f/0x2dd0 sound/usb/mixer.c:3563 usb_audio_probe+0x15ee/0x1fd0 sound/usb/card.c:882 usb_probe_interface+0x5b0/0xa80 drivers/usb/core/driver.c:396 really_probe+0x284/0x960 drivers/base/dd.c:595 __driver_probe_device+0x19d/0x310 drivers/base/dd.c:755 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907 bus_for_each_drv+0x182/0x200 drivers/base/bus.c:427 __device_attach+0x309/0x500 drivers/base/dd.c:979 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028 bus_probe_device+0xbb/0x1d0 drivers/base/bus.c:487 device_add+0xb51/0xef0 drivers/base/core.c:3394 usb_set_configuration+0x190c/0x1e70 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x13e/0x260 drivers/usb/core/driver.c:293 really_probe+0x284/0x960 drivers/base/dd.c:595 __driver_probe_device+0x19d/0x310 drivers/base/dd.c:755 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785 __device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907 bus_for_each_drv+0x182/0x200 drivers/base/bus.c:427 __device_attach+0x309/0x500 drivers/base/dd.c:979 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028 bus_probe_device+0xbb/0x1d0 drivers/base/bus.c:487 device_add+0xb51/0xef0 drivers/base/core.c:3394 usb_new_device+0xbe2/0x1800 drivers/usb/core/hub.c:2584 hub_port_connect drivers/usb/core/hub.c:5445 [inline] hub_port_connect_change drivers/usb/core/hub.c:5585 [inline] port_event drivers/usb/core/hub.c:5731 [inline] hub_event+0x2c6c/0x4bb0 drivers/usb/core/hub.c:5813 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2310 worker_thread+0xad2/0x12a0 kernel/workqueue.c:2457 kthread+0x421/0x510 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 ================================================================================ usb 1-1: USB disconnect, device number 2