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BUG: KMSAN: uninit-value in ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227
 ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227
 ath9k_htc_rx_msg+0x5a5/0xac0 drivers/net/wireless/ath/ath9k/htc_hst.c:479
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:653 [inline]
 ath9k_hif_usb_rx_cb+0x1a9e/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754
 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474
 expire_timers+0x272/0x610 kernel/time/timer.c:1519
 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790
 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803
 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571
 invoke_softirq+0x8f/0x100 kernel/softirq.c:445
 __irq_exit_rcu+0x5a/0x110 kernel/softirq.c:650
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20
 __nr_to_section include/linux/mmzone.h:1483 [inline]
 __pfn_to_section include/linux/mmzone.h:1591 [inline]
 pfn_valid include/linux/mmzone.h:1642 [inline]
 kmsan_virt_addr_valid arch/x86/include/asm/kmsan.h:50 [inline]
 virt_to_page_or_null mm/kmsan/shadow.c:76 [inline]
 kmsan_get_metadata+0x10b/0x230 mm/kmsan/shadow.c:139
 kmsan_get_shadow_origin_ptr+0x49/0xa0 mm/kmsan/shadow.c:103
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:35 [inline]
 __msan_metadata_ptr_for_load_8+0x20/0x30 mm/kmsan/instrumentation.c:77
 unwind_get_return_address+0x41/0xd0 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0x14e/0x280 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xb2/0x100 kernel/stacktrace.c:122
 kmsan_save_stack_with_flags mm/kmsan/core.c:73 [inline]
 kmsan_internal_poison_memory+0x45/0x90 mm/kmsan/core.c:58
 kmsan_slab_free+0xcd/0x130 mm/kmsan/hooks.c:89
 slab_free_hook mm/slub.c:1739 [inline]
 slab_free_freelist_hook+0x1b8/0x650 mm/slub.c:1795
 slab_free mm/slub.c:3549 [inline]
 kfree+0x26f/0x980 mm/slub.c:4577
 tomoyo_realpath_from_path+0xa43/0xaf0 security/tomoyo/realpath.c:291
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x222/0xd70 security/tomoyo/file.c:771
 tomoyo_file_open+0x20e/0x290 security/tomoyo/tomoyo.c:320
 security_file_open+0x8f/0x160 security/security.c:1646
 do_dentry_open+0x455/0x17c0 fs/open.c:865
 vfs_open+0x77/0xa0 fs/open.c:1014
 do_open fs/namei.c:3557 [inline]
 path_openat+0x478f/0x5600 fs/namei.c:3691
 do_filp_open+0x249/0x660 fs/namei.c:3718
 do_sys_openat2+0x1f0/0x910 fs/open.c:1311
 do_sys_open fs/open.c:1327 [inline]
 __do_sys_openat fs/open.c:1343 [inline]
 __se_sys_openat fs/open.c:1338 [inline]
 __x64_sys_openat+0x2b0/0x330 fs/open.c:1338
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was created at:
 slab_post_alloc_hook mm/slab.h:732 [inline]
 slab_alloc_node mm/slub.c:3258 [inline]
 __kmalloc_node_track_caller+0x814/0x1250 mm/slub.c:4970
 kmalloc_reserve net/core/skbuff.c:362 [inline]
 __alloc_skb+0x346/0xcf0 net/core/skbuff.c:434
 __netdev_alloc_skb+0x126/0x780 net/core/skbuff.c:500
 __dev_alloc_skb include/linux/skbuff.h:3157 [inline]
 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:635 [inline]
 ath9k_hif_usb_rx_cb+0xd59/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754
 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474
 expire_timers+0x272/0x610 kernel/time/timer.c:1519
 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790
 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803
 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571

CPU: 1 PID: 2846 Comm: udevd Not tainted 6.0.0-rc5-syzkaller-48538-g8f4ae27df775 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
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