=====================================================
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+0x22e/0x2c0 mm/kmsan/shadow.c:144
 kmsan_internal_set_shadow_origin+0x66/0xe0 mm/kmsan/core.c:296
 kmsan_internal_poison_memory+0x82/0xa0 mm/kmsan/core.c:61
 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
 skb_kfree_head net/core/skbuff.c:855 [inline]
 skb_free_head net/core/skbuff.c:870 [inline]
 skb_release_data+0xdab/0x1030 net/core/skbuff.c:899
 skb_release_all net/core/skbuff.c:964 [inline]
 __kfree_skb+0x6b/0x250 net/core/skbuff.c:978
 kfree_skb_reason+0x116/0x4a0 net/core/skbuff.c:1011
 kfree_skb include/linux/skbuff.h:1225 [inline]
 ieee80211_iface_work+0x1142/0x1770 net/mac80211/iface.c:1639
 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390
 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

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:3190 [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: 11572 Comm: kworker/u4:29 Not tainted 6.3.0-rc3-syzkaller-g90ea0df61c98 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: phy14 ieee80211_iface_work
=====================================================