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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
 smap_save mm/kmsan/instrumentation.c:92 [inline]
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:33 [inline]
 __msan_metadata_ptr_for_store_8+0x14/0x40 mm/kmsan/instrumentation.c:92
 mtree_range_walk lib/maple_tree.c:2949 [inline]
 mas_state_walk+0xd17/0x1020 lib/maple_tree.c:3845
 mt_find+0x1cf/0x6e0 lib/maple_tree.c:6460
 find_vma mm/mmap.c:1788 [inline]
 find_extend_vma+0x84/0x3b0 mm/mmap.c:2085
 __get_user_pages+0x405/0x2150 mm/gup.c:1099
 __get_user_pages_locked mm/gup.c:1381 [inline]
 get_dump_page+0x174/0x3b0 mm/gup.c:1897
 dump_user_range+0xcb/0xd70 fs/coredump.c:910
 elf_core_dump+0x58b9/0x6000 fs/binfmt_elf.c:2142
 do_coredump+0x34c6/0x4c40 fs/coredump.c:762
 get_signal+0x21b0/0x2be0 kernel/signal.c:2845
 arch_do_signal_or_restart+0x5a/0x9f0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0xea/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x16e/0x230 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0xd/0x20 kernel/entry/common.c:309
 irqentry_exit+0x16/0x40 kernel/entry/common.c:412
 exc_general_protection+0x29b/0x460 arch/x86/kernel/traps.c:728
 asm_exc_general_protection+0x2b/0x30 arch/x86/include/asm/idtentry.h:564

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: 1 PID: 30415 Comm: syz-executor.4 Not tainted 6.3.0-rc2-syzkaller-g34add094f9de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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