===================================================== 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:659 [inline] ath9k_hif_usb_rx_cb+0x1732/0x2130 drivers/net/wireless/ath/ath9k/hif_usb.c:699 __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:645 __nr_to_section include/linux/mmzone.h:1854 [inline] __pfn_to_section include/linux/mmzone.h:1959 [inline] pfn_valid include/linux/mmzone.h:2010 [inline] kmsan_virt_addr_valid arch/x86/include/asm/kmsan.h:82 [inline] virt_to_page_or_null mm/kmsan/shadow.c:75 [inline] kmsan_get_metadata+0x1bd/0x2c0 mm/kmsan/shadow.c:143 kmsan_get_shadow_origin_ptr+0x4d/0xa0 mm/kmsan/shadow.c:102 get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline] __msan_metadata_ptr_for_store_8+0x27/0x40 mm/kmsan/instrumentation.c:92 __unwind_start+0x43/0x490 arch/x86/kernel/unwind_frame.c:379 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x108/0x290 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xb6/0x100 kernel/stacktrace.c:122 kmsan_save_stack_with_flags mm/kmsan/core.c:76 [inline] kmsan_internal_chain_origin+0xad/0x120 mm/kmsan/core.c:252 __msan_chain_origin+0xc1/0x140 mm/kmsan/instrumentation.c:251 skb_clone+0x42f/0x540 net/core/skbuff.c:1815 batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:387 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x999/0xe50 net/batman-adv/bat_iv_ogm.c:1700 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537 kthread+0x31f/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Uninit was created at: slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:774 slab_alloc_node mm/slub.c:3452 [inline] kmem_cache_alloc_node+0x543/0xab0 mm/slub.c:3497 kmalloc_reserve+0x148/0x470 net/core/skbuff.c:520 __alloc_skb+0x3a7/0x850 net/core/skbuff.c:606 __netdev_alloc_skb+0x12f/0x7e0 net/core/skbuff.c:670 __dev_alloc_skb include/linux/skbuff.h:3190 [inline] ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:641 [inline] ath9k_hif_usb_rx_cb+0xdd2/0x2130 drivers/net/wireless/ath/ath9k/hif_usb.c:699 __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: 5908 Comm: kworker/u4:51 Not tainted 6.3.0-rc2-syzkaller-g34add094f9de #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet =====================================================