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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:675 [inline]
 ath9k_hif_usb_rx_cb+0x16e3/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:715
 __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+0xd65/0x4c30 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+0x850/0xf60 kernel/time/timer.c:2022
 run_timer_softirq+0x26/0x40 kernel/time/timer.c:2035
 __do_softirq+0x1b7/0x78f kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0xc2/0x1b0 kernel/softirq.c:650
 irq_exit_rcu+0x12/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x7a/0x90 arch/x86/kernel/apic/apic.c:1106
 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_load_8+0x11/0x40 mm/kmsan/instrumentation.c:92
 last_frame arch/x86/kernel/unwind_frame.c:82 [inline]
 is_last_frame arch/x86/kernel/unwind_frame.c:87 [inline]
 is_last_task_frame+0x5d/0x450 arch/x86/kernel/unwind_frame.c:156
 unwind_next_frame+0x5e/0x360 arch/x86/kernel/unwind_frame.c:276
 arch_stack_walk+0x19e/0x250 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0xe0 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:3786 [inline]
 kmem_cache_free+0x663/0x1280 mm/slub.c:3808
 __merge_or_add_vmap_area mm/vmalloc.c:1189 [inline]
 merge_or_add_vmap_area mm/vmalloc.c:1208 [inline]
 free_vmap_area_noflush+0x117d/0x14c0 mm/vmalloc.c:1833
 free_unmap_vmap_area mm/vmalloc.c:1854 [inline]
 remove_vm_area+0x1a8/0x2b0 mm/vmalloc.c:2661
 vfree+0xc5/0x8c0 mm/vmalloc.c:2780
 xt_compat_flush_offsets+0xd1/0x160 net/netfilter/x_tables.c:691
 get_info net/ipv6/netfilter/ip6_tables.c:988 [inline]
 do_ip6t_get_ctl+0x196d/0x20b0 net/ipv6/netfilter/ip6_tables.c:1660
 nf_getsockopt+0x421/0x480 net/netfilter/nf_sockopt.c:116
 ipv6_getsockopt+0x333/0x4d0 net/ipv6/ipv6_sockglue.c:1500
 tcp_getsockopt+0x159/0x190 net/ipv4/tcp.c:4412
 sock_common_getsockopt+0x9d/0xd0 net/core/sock.c:3636
 __sys_getsockopt+0x571/0xac0 net/socket.c:2317
 __do_compat_sys_socketcall net/compat.c:494 [inline]
 __se_compat_sys_socketcall+0x3fe/0x1a10 net/compat.c:423
 __ia32_compat_sys_socketcall+0x6b/0xa0 net/compat.c:423
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:716
 slab_alloc_node mm/slub.c:3451 [inline]
 kmem_cache_alloc_node+0x535/0xa30 mm/slub.c:3496
 kmalloc_reserve+0x148/0x470 net/core/skbuff.c:568
 __alloc_skb+0x318/0x740 net/core/skbuff.c:654
 __netdev_alloc_skb+0x11a/0x6f0 net/core/skbuff.c:718
 __dev_alloc_skb include/linux/skbuff.h:3201 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:657 [inline]
 ath9k_hif_usb_rx_cb+0xd0d/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:715
 __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+0xd65/0x4c30 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+0x850/0xf60 kernel/time/timer.c:2022
 run_timer_softirq+0x26/0x40 kernel/time/timer.c:2035
 __do_softirq+0x1b7/0x78f kernel/softirq.c:571

CPU: 0 PID: 4988 Comm: syz-executor.4 Not tainted 6.4.0-rc3-syzkaller-gf93f2feda5d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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