===================================================== BUG: KMSAN: uninit-value in ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227 ath9k_wmi_ctrl_rx+0x344/0x590 drivers/net/wireless/ath/ath9k/wmi.c:227 ath9k_htc_rx_msg+0x5a5/0xac0 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+0x1a9e/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474 expire_timers+0x272/0x610 kernel/time/timer.c:1519 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571 invoke_softirq+0x8f/0x100 kernel/softirq.c:445 __irq_exit_rcu+0x5a/0x110 kernel/softirq.c:650 irq_exit_rcu+0xe/0x10 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 smap_restore arch/x86/include/asm/smap.h:56 [inline] get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline] __msan_metadata_ptr_for_load_4+0x28/0x30 mm/kmsan/instrumentation.c:76 unwind_done+0x1f/0x50 arch/x86/include/asm/unwind.h:50 unwind_next_frame+0x28/0x360 arch/x86/kernel/unwind_frame.c:269 arch_stack_walk+0x1b9/0x280 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xb2/0x100 kernel/stacktrace.c:122 kmsan_save_stack_with_flags mm/kmsan/core.c:80 [inline] kmsan_internal_poison_memory+0x45/0x90 mm/kmsan/core.c:65 kmsan_slab_free+0xcd/0x130 mm/kmsan/hooks.c:89 slab_free_hook mm/slub.c:1739 [inline] slab_free_freelist_hook+0x1b8/0x650 mm/slub.c:1795 slab_free mm/slub.c:3549 [inline] kmem_cache_free+0x2cc/0x9c0 mm/slub.c:3566 kernfs_put+0x5e4/0x930 fs/kernfs/dir.c:547 __kernfs_remove+0xe06/0x1240 fs/kernfs/dir.c:1407 kernfs_remove_by_name_ns+0x11b/0x1f0 fs/kernfs/dir.c:1589 kernfs_remove_by_name include/linux/kernfs.h:615 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0x1be/0x540 fs/sysfs/group.c:288 sysfs_remove_groups+0x64/0xf0 fs/sysfs/group.c:312 device_remove_groups drivers/base/core.c:2579 [inline] device_remove_attrs+0x1a3/0x2e0 drivers/base/core.c:2793 device_del+0x94f/0x1790 drivers/base/core.c:3703 netdev_unregister_kobject+0x1e1/0x230 net/core/net-sysfs.c:1987 unregister_netdevice_many+0x24a4/0x3020 net/core/dev.c:10889 unregister_netdevice_queue+0x43d/0x4f0 net/core/dev.c:10793 unregister_vlan_dev+0x508/0x6d0 net/8021q/vlan.c:118 vlan_ioctl_handler+0x45e/0xc60 net/8021q/vlan.c:628 sock_ioctl+0x931/0xcd0 net/socket.c:1250 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x222/0x400 fs/ioctl.c:856 __x64_sys_ioctl+0x92/0xd0 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Uninit was created at: slab_post_alloc_hook mm/slab.h:732 [inline] slab_alloc_node mm/slub.c:3258 [inline] __kmalloc_node_track_caller+0x814/0x1250 mm/slub.c:4970 kmalloc_reserve net/core/skbuff.c:358 [inline] __alloc_skb+0x346/0xcf0 net/core/skbuff.c:430 __netdev_alloc_skb+0x126/0x780 net/core/skbuff.c:496 __dev_alloc_skb include/linux/skbuff.h:3136 [inline] ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:635 [inline] ath9k_hif_usb_rx_cb+0xd59/0x20c0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 __usb_hcd_giveback_urb+0x522/0x740 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x154/0x670 drivers/usb/core/hcd.c:1754 dummy_timer+0xd3f/0x4f20 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474 expire_timers+0x272/0x610 kernel/time/timer.c:1519 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571 CPU: 0 PID: 4637 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller-48205-g4367d178d9eb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 =====================================================