=====================================================
BUG: KMSAN: uninit-value in skb_trim+0x1f8/0x280 net/core/skbuff.c:2063
 skb_trim+0x1f8/0x280 net/core/skbuff.c:2063
 ath9k_htc_rx_msg+0x63c/0xbb0 drivers/net/wireless/ath/ath9k/htc_hst.c:455
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:654 [inline]
 ath9k_hif_usb_rx_cb+0x1721/0x1df0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
 __usb_hcd_giveback_urb+0x6c6/0x930 drivers/usb/core/hcd.c:1670
 usb_hcd_giveback_urb+0x1e2/0x7c0 drivers/usb/core/hcd.c:1747
 dummy_timer+0x157a/0x51c0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x81/0x540 kernel/time/timer.c:1421
 expire_timers+0x2f5/0x6d0 kernel/time/timer.c:1466
 __run_timers+0x66b/0x9f0 kernel/time/timer.c:1734
 run_timer_softirq+0x71/0xe0 kernel/time/timer.c:1747
 __do_softirq+0x1ee/0x7c5 kernel/softirq.c:558
 invoke_softirq+0xa4/0x130 kernel/softirq.c:432
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0x76/0x130 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0xa2/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20
 valid_section include/linux/mmzone.h:1443 [inline]
 pfn_valid include/linux/mmzone.h:1532 [inline]
 kmsan_virt_addr_valid mm/kmsan/shadow.c:90 [inline]
 virt_to_page_or_null mm/kmsan/shadow.c:113 [inline]
 kmsan_get_metadata+0x12c/0x220 mm/kmsan/shadow.c:177
 kmsan_get_shadow_origin_ptr+0x9b/0xf0 mm/kmsan/shadow.c:140
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:35 [inline]
 __msan_metadata_ptr_for_load_8+0x20/0x30 mm/kmsan/instrumentation.c:77
 ieee80211_sta_get_rates+0x8d1/0xd70 net/mac80211/util.c:2142
 ieee80211_update_sta_info net/mac80211/ibss.c:1003 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1117 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
 ieee80211_ibss_rx_queued_mgmt+0xddb/0x4480 net/mac80211/ibss.c:1639
 ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
 ieee80211_iface_work+0xedf/0x19a0 net/mac80211/iface.c:1581
 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307
 worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454
 kthread+0x3c7/0x500 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30

Uninit was created at:
 slab_post_alloc_hook mm/slab.h:737 [inline]
 slab_alloc_node mm/slub.c:3244 [inline]
 __kmalloc_node_track_caller+0xde3/0x14f0 mm/slub.c:4972
 kmalloc_reserve net/core/skbuff.c:354 [inline]
 __alloc_skb+0x545/0xf90 net/core/skbuff.c:426
 __netdev_alloc_skb+0x4b9/0x8c0 net/core/skbuff.c:494
 __dev_alloc_skb include/linux/skbuff.h:2955 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline]
 ath9k_hif_usb_rx_cb+0xead/0x1df0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
 __usb_hcd_giveback_urb+0x6c6/0x930 drivers/usb/core/hcd.c:1670
 usb_hcd_giveback_urb+0x1e2/0x7c0 drivers/usb/core/hcd.c:1747
 dummy_timer+0x157a/0x51c0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x81/0x540 kernel/time/timer.c:1421
 expire_timers+0x2f5/0x6d0 kernel/time/timer.c:1466
 __run_timers+0x66b/0x9f0 kernel/time/timer.c:1734
 run_timer_softirq+0x71/0xe0 kernel/time/timer.c:1747
 __do_softirq+0x1ee/0x7c5 kernel/softirq.c:558

CPU: 1 PID: 51 Comm: kworker/u4:2 Not tainted 5.17.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy14 ieee80211_iface_work
=====================================================