Code: ff 44 8b 28 85 db 4c 8b a5 00 ff ff ff 0f 85 cd 02 00 00 48 c7 c7 78 9e dc 8e 48 8b 75 b8 48 8b 55 88 45 89 e8 e8 2e 2d 4e f9 <0f> 0b 44 8a ad 08 ff ff ff 48 8b 9d f0 fe ff ff 89 d8 44 89 e7 48 RSP: 0018:ffff888109c8e878 EFLAGS: 00010246 ===================================================== BUG: KMSAN: uninit-value in __show_regs+0x8c/0xc90 arch/x86/kernel/process_64.c:76 __show_regs+0x8c/0xc90 arch/x86/kernel/process_64.c:76 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469 __warn+0x242/0x580 kernel/panic.c:621 report_bug+0x7ff/0xa10 lib/bug.c:198 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336 asm_exc_invalid_op+0x1b/0x20 usb_submit_urb+0x19a2/0x2760 drivers/usb/core/urb.c:504 usb_start_wait_urb+0xcf/0x350 drivers/usb/core/message.c:58 usb_bulk_msg+0x5cc/0x6f0 drivers/usb/core/message.c:387 usb_interrupt_msg+0x54/0x70 drivers/usb/core/message.c:327 vmk80xx_write_packet+0x5f7/0x7d0 drivers/comedi/drivers/vmk80xx.c:214 vmk80xx_reset_device drivers/comedi/drivers/vmk80xx.c:227 [inline] vmk80xx_auto_attach+0xe75/0x1e60 drivers/comedi/drivers/vmk80xx.c:818 comedi_auto_config+0x2de/0x620 drivers/comedi/drivers.c:1066 comedi_usb_auto_config+0x3f/0x50 drivers/comedi/comedi_usb.c:66 vmk80xx_usb_probe+0x54/0x70 drivers/comedi/drivers/vmk80xx.c:851 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396 really_probe+0x506/0x1000 drivers/base/dd.c:639 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427 __device_attach+0x42a/0x720 drivers/base/dd.c:1008 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517 usb_set_configuration+0x30f8/0x37e0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x105/0x290 drivers/usb/core/generic.c:238 usb_probe_device+0x288/0x490 drivers/usb/core/driver.c:293 really_probe+0x506/0x1000 drivers/base/dd.c:639 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:778 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:808 __device_attach_driver+0x548/0x8e0 drivers/base/dd.c:936 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427 __device_attach+0x42a/0x720 drivers/base/dd.c:1008 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1057 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487 device_add+0x1d4b/0x26c0 drivers/base/core.c:3517 usb_new_device+0x17ac/0x2370 drivers/usb/core/hub.c:2573 hub_port_connect drivers/usb/core/hub.c:5353 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x5589/0x8080 drivers/usb/core/hub.c:5735 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0x1703/0x1d60 kernel/workqueue.c:2438 kthread+0x31b/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable wlist created at: rwsem_mark_wake+0x4c/0xaa0 kernel/locking/rwsem.c:412 rwsem_wake kernel/locking/rwsem.c:1215 [inline] __up_write kernel/locking/rwsem.c:1358 [inline] up_write+0x128/0x170 kernel/locking/rwsem.c:1605 CPU: 0 PID: 113 Comm: kworker/0:2 Tainted: G W 6.0.0-rc4-syzkaller-48205-g4367d178d9eb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Workqueue: usb_hub_wq hub_event =====================================================