===================================================== 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+0x5a7/0xac0 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+0x18fd/0x1ee0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __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:649 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:570 [inline] acpi_idle_enter+0x6d7/0x820 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x84d/0x1ae0 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x7f/0xf0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x5ee/0x7f0 kernel/sched/idle.c:303 cpu_startup_entry+0x21/0x30 kernel/sched/idle.c:400 rest_init+0x22e/0x2b0 init/main.c:732 arch_call_rest_init+0x12/0x20 init/main.c:894 start_kernel+0x951/0xb40 init/main.c:1148 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:556 x86_64_start_kernel+0x118/0x120 arch/x86/kernel/head64.c:537 secondary_startup_64_no_verify+0xcf/0xdb Uninit was created at: slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:766 slab_alloc_node mm/slub.c:3452 [inline] __kmem_cache_alloc_node+0x518/0x920 mm/slub.c:3491 __do_kmalloc_node mm/slab_common.c:967 [inline] __kmalloc_node_track_caller+0x118/0x3c0 mm/slab_common.c:988 kmalloc_reserve net/core/skbuff.c:492 [inline] __alloc_skb+0x3b8/0x900 net/core/skbuff.c:565 __netdev_alloc_skb+0x12f/0x7e0 net/core/skbuff.c:630 __dev_alloc_skb include/linux/skbuff.h:3165 [inline] ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:635 [inline] ath9k_hif_usb_rx_cb+0xda6/0x1ee0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __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: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-syzkaller-81152-g97e36f4aa06f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 =====================================================