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BUG: KMSAN: uninit-value in ath9k_wmi_ctrl_rx+0x2fd/0x530 drivers/net/wireless/ath/ath9k/wmi.c:227
 ath9k_wmi_ctrl_rx+0x2fd/0x530 drivers/net/wireless/ath/ath9k/wmi.c:227
 ath9k_htc_rx_msg+0x6a8/0xa90 drivers/net/wireless/ath/ath9k/htc_hst.c:479
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:659 [inline]
 ath9k_hif_usb_rx_cb+0x1732/0x2130 drivers/net/wireless/ath/ath9k/hif_usb.c:699
 __usb_hcd_giveback_urb+0x521/0x750 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x158/0x680 drivers/usb/core/hcd.c:1754
 dummy_timer+0xd4d/0x4cc0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x45/0x4e0 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x861/0xf90 kernel/time/timer.c:2022
 run_timer_softirq+0x68/0xe0 kernel/time/timer.c:2035
 __do_softirq+0x1c9/0x7c5 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0xe5/0x220 kernel/softirq.c:650
 irq_exit_rcu+0x12/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:645
 kmsan_get_metadata+0x264/0x2c0
 kmsan_get_shadow_origin_ptr+0x38/0xa0 mm/kmsan/shadow.c:97
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline]
 __msan_metadata_ptr_for_store_8+0x27/0x40 mm/kmsan/instrumentation.c:92
 preempt_latency_start kernel/sched/core.c:5758 [inline]
 preempt_count_add+0x136/0x2a0 kernel/sched/core.c:5781
 is_module_text_address+0x2f/0x650 kernel/module/main.c:3097
 kernel_text_address+0x125/0x1b0 kernel/extable.c:119
 __kernel_text_address+0x2a/0x90 kernel/extable.c:79
 unwind_get_return_address+0x60/0xe0 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0x152/0x290 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xb6/0x100 kernel/stacktrace.c:122
 kmsan_save_stack_with_flags mm/kmsan/core.c:76 [inline]
 kmsan_internal_poison_memory+0x49/0xa0 mm/kmsan/core.c:60
 kmsan_slab_free+0xd1/0x130 mm/kmsan/hooks.c:89
 slab_free_hook mm/slub.c:1751 [inline]
 slab_free_freelist_hook mm/slub.c:1807 [inline]
 slab_free mm/slub.c:3787 [inline]
 kmem_cache_free+0x663/0x1280 mm/slub.c:3809
 putname+0x1b0/0x1f0 fs/namei.c:272
 vfs_fstatat fs/stat.c:277 [inline]
 __do_sys_newfstatat fs/stat.c:446 [inline]
 __se_sys_newfstatat+0xf7/0x960 fs/stat.c:440
 __x64_sys_newfstatat+0xbd/0x110 fs/stat.c:440
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was created at:
 slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:774
 slab_alloc_node mm/slub.c:3452 [inline]
 kmem_cache_alloc_node+0x543/0xab0 mm/slub.c:3497
 kmalloc_reserve+0x148/0x470 net/core/skbuff.c:520
 __alloc_skb+0x3a7/0x850 net/core/skbuff.c:606
 __netdev_alloc_skb+0x12f/0x7e0 net/core/skbuff.c:670
 __dev_alloc_skb include/linux/skbuff.h:3191 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:641 [inline]
 ath9k_hif_usb_rx_cb+0xdd2/0x2130 drivers/net/wireless/ath/ath9k/hif_usb.c:699
 __usb_hcd_giveback_urb+0x521/0x750 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x158/0x680 drivers/usb/core/hcd.c:1754
 dummy_timer+0xd4d/0x4cc0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x45/0x4e0 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x861/0xf90 kernel/time/timer.c:2022
 run_timer_softirq+0x68/0xe0 kernel/time/timer.c:2035
 __do_softirq+0x1c9/0x7c5 kernel/softirq.c:571

CPU: 0 PID: 5680 Comm: udevd Not tainted 6.3.0-syzkaller-g81af97bdef5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
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