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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
 kmsan_get_metadata+0x254/0x2c0 mm/kmsan/shadow.c:146
 kmsan_get_shadow_origin_ptr+0x38/0xa0 mm/kmsan/shadow.c:97
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline]
 __msan_metadata_ptr_for_load_8+0x24/0x40 mm/kmsan/instrumentation.c:92
 filter_irq_stacks+0x60/0x1a0 kernel/stacktrace.c:395
 __stack_depot_save+0x22/0x490 lib/stackdepot.c:377
 stack_depot_save+0x12/0x20 lib/stackdepot.c:456
 __msan_poison_alloca+0x104/0x1a0 mm/kmsan/instrumentation.c:285
 shmem_get_folio_gfp+0x7d/0x3be0
 shmem_get_folio mm/shmem.c:2079 [inline]
 shmem_write_begin+0x151/0x4d0 mm/shmem.c:2573
 generic_perform_write+0x3df/0xbb0 mm/filemap.c:3923
 __generic_file_write_iter+0x393/0x920 mm/filemap.c:4051
 generic_file_write_iter+0x103/0x5b0 mm/filemap.c:4083
 __kernel_write_iter+0x323/0x930 fs/read_write.c:517
 dump_emit_page fs/coredump.c:886 [inline]
 dump_user_range+0x593/0xce0 fs/coredump.c:913
 elf_core_dump+0x524f/0x59f0 fs/binfmt_elf.c:2142
 do_coredump+0x31e1/0x4820 fs/coredump.c:762
 get_signal+0x2185/0x2bc0 kernel/signal.c:2860
 arch_do_signal_or_restart+0x4f/0x920 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0xe8/0x320 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x163/0x220 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0xd/0x20 kernel/entry/common.c:310
 irqentry_exit+0x16/0x40 kernel/entry/common.c:413
 exc_page_fault+0x5a5/0x740 arch/x86/mm/fault.c:1593
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:570

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:3211 [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: 24685 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller-g2741f1b02117 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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