===================================================== 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 __nr_to_section include/linux/mmzone.h:1837 [inline] __pfn_to_section include/linux/mmzone.h:1945 [inline] pfn_valid include/linux/mmzone.h:1996 [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+0x1a5/0x2c0 mm/kmsan/shadow.c:143 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_store_4+0x27/0x40 mm/kmsan/instrumentation.c:91 rcu_preempt_read_enter kernel/rcu/tree_plugin.h:377 [inline] __rcu_read_lock+0x45/0x70 kernel/rcu/tree_plugin.h:400 rcu_read_lock include/linux/rcupdate.h:771 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x135/0x2160 net/batman-adv/network-coding.c:719 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2408 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2555 kthread+0x3e8/0x540 kernel/kthread.c:379 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: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: 26003 Comm: kworker/u4:5 Not tainted 6.4.0-syzkaller-g257152fe29be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: bat_events batadv_nc_worker =====================================================