===================================================== 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 jhash2 include/linux/jhash.h:129 [inline] hash_stack lib/stackdepot.c:322 [inline] __stack_depot_save+0x9f/0x490 lib/stackdepot.c:382 stack_depot_save+0x12/0x20 lib/stackdepot.c:456 __msan_poison_alloca+0x104/0x1a0 mm/kmsan/instrumentation.c:285 kernel_wait4+0x345/0x470 kernel/exit.c:1779 __do_sys_wait4 kernel/exit.c:1805 [inline] __se_sys_wait4 kernel/exit.c:1801 [inline] __x64_sys_wait4+0x14e/0x310 kernel/exit.c:1801 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd 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: 1 PID: 4983 Comm: syz-executor.1 Not tainted 6.4.0-rc3-syzkaller-gf93f2feda5d6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 =====================================================