=====================================================
BUG: KMSAN: uninit-value in line6_pod_process_message+0x702/0x7b0 sound/usb/line6/pod.c:201
 line6_pod_process_message+0x702/0x7b0 sound/usb/line6/pod.c:201
 line6_data_received+0x5db/0x7e0 sound/usb/line6/driver.c:317
 __usb_hcd_giveback_urb+0x508/0x770 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x157/0x720 drivers/usb/core/hcd.c:1732
 dummy_timer+0xd93/0x6b10 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x49/0x580 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1844 [inline]
 __run_timers kernel/time/timer.c:2418 [inline]
 __run_timer_base+0x84e/0xe90 kernel/time/timer.c:2429
 run_timer_base kernel/time/timer.c:2438 [inline]
 run_timer_softirq+0x3a/0x70 kernel/time/timer.c:2448
 __do_softirq+0x1c0/0x7d7 kernel/softirq.c:554
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:633 [inline]
 irq_exit_rcu+0x6a/0x130 kernel/softirq.c:645
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x83/0x90 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x33/0x60 kernel/locking/spinlock.c:194
 raw_ioctl+0x49ed/0x5450
 __do_compat_sys_ioctl fs/ioctl.c:1004 [inline]
 __se_compat_sys_ioctl+0x791/0x1090 fs/ioctl.c:947
 __ia32_compat_sys_ioctl+0x93/0xe0 fs/ioctl.c:947
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xba/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x7f/0x89

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3804 [inline]
 slab_alloc_node mm/slub.c:3845 [inline]
 kmalloc_trace+0x578/0xba0 mm/slub.c:3992
 kmalloc include/linux/slab.h:628 [inline]
 line6_init_cap_control+0x4f1/0x770 sound/usb/line6/driver.c:700
 line6_probe+0xeae/0x1120 sound/usb/line6/driver.c:797
 pod_probe+0x79/0x90 sound/usb/line6/pod.c:522
 usb_probe_interface+0xd6f/0x1350 drivers/usb/core/driver.c:399
 really_probe+0x4db/0xd90 drivers/base/dd.c:656
 __driver_probe_device+0x2ab/0x5d0 drivers/base/dd.c:798
 driver_probe_device+0x72/0x890 drivers/base/dd.c:828
 __device_attach_driver+0x568/0x9e0 drivers/base/dd.c:956
 bus_for_each_drv+0x403/0x620 drivers/base/bus.c:457
 __device_attach+0x3c1/0x650 drivers/base/dd.c:1028
 device_initial_probe+0x32/0x40 drivers/base/dd.c:1077
 bus_probe_device+0x3dc/0x5c0 drivers/base/bus.c:532
 device_add+0x1475/0x1c90 drivers/base/core.c:3705
 usb_set_configuration+0x31c9/0x38d0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x109/0x2a0 drivers/usb/core/generic.c:254
 usb_probe_device+0x3a7/0x690 drivers/usb/core/driver.c:294
 really_probe+0x4db/0xd90 drivers/base/dd.c:656
 __driver_probe_device+0x2ab/0x5d0 drivers/base/dd.c:798
 driver_probe_device+0x72/0x890 drivers/base/dd.c:828
 __device_attach_driver+0x568/0x9e0 drivers/base/dd.c:956
 bus_for_each_drv+0x403/0x620 drivers/base/bus.c:457
 __device_attach+0x3c1/0x650 drivers/base/dd.c:1028
 device_initial_probe+0x32/0x40 drivers/base/dd.c:1077
 bus_probe_device+0x3dc/0x5c0 drivers/base/bus.c:532
 device_add+0x1475/0x1c90 drivers/base/core.c:3705
 usb_new_device+0x15ff/0x2470 drivers/usb/core/hub.c:2652
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x4ff8/0x72d0 drivers/usb/core/hub.c:5903
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa81/0x1bd0 kernel/workqueue.c:3335
 worker_thread+0xea5/0x1560 kernel/workqueue.c:3416
 kthread+0x3e2/0x540 kernel/kthread.c:388
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243

CPU: 1 PID: 5306 Comm: syz-executor.0 Not tainted 6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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