===================================================== BUG: KMSAN: uninit-value in skb_dst_drop include/net/dst.h:274 [inline] BUG: KMSAN: uninit-value in skb_release_head_state+0xe3/0x3b0 net/core/skbuff.c:1172 skb_dst_drop include/net/dst.h:274 [inline] skb_release_head_state+0xe3/0x3b0 net/core/skbuff.c:1172 skb_release_all net/core/skbuff.c:1186 [inline] __kfree_skb+0x29/0x250 net/core/skbuff.c:1202 consume_skb+0xa8/0x2d0 net/core/skbuff.c:1426 ath6kl_usb_cleanup_recv_urb+0x47/0x450 drivers/net/wireless/ath/ath6kl/usb.c:171 ath6kl_usb_recv_complete+0xd4/0x420 drivers/net/wireless/ath/ath6kl/usb.c:551 __usb_hcd_giveback_urb+0x572/0x840 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x157/0x720 drivers/usb/core/hcd.c:1734 dummy_timer+0xd3f/0x6aa0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x564/0xe40 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x3ab/0x1490 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0xa6/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x7e/0x90 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x33/0x60 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_pullup+0x273/0x320 drivers/usb/gadget/udc/dummy_hcd.c:924 usb_gadget_disconnect_locked+0x1f8/0x5b0 drivers/usb/gadget/udc/core.c:777 gadget_unbind_driver+0xe6/0x5f0 drivers/usb/gadget/udc/core.c:1666 device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x58a/0x990 drivers/base/dd.c:1295 driver_detach+0x360/0x540 drivers/base/dd.c:1358 bus_remove_driver+0x465/0x500 drivers/base/bus.c:742 driver_unregister+0x8d/0x100 drivers/base/driver.c:274 usb_gadget_unregister_driver+0x55/0xa0 drivers/usb/gadget/udc/core.c:1731 raw_release+0x1c2/0x400 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x344/0x1160 fs/file_table.c:422 ____fput+0x1e/0x30 fs/file_table.c:450 task_work_run+0x268/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x170 kernel/entry/common.c:218 __do_fast_syscall_32+0xc0/0x110 arch/x86/entry/common.c:389 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4718 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page mm/slub.c:2321 [inline] allocate_slab+0x203/0x1220 mm/slub.c:2484 new_slab mm/slub.c:2537 [inline] ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3723 __slab_alloc mm/slub.c:3813 [inline] __slab_alloc_node mm/slub.c:3866 [inline] slab_alloc_node mm/slub.c:4025 [inline] kmem_cache_alloc_noprof+0x57a/0xb20 mm/slub.c:4044 skb_clone+0x303/0x550 net/core/skbuff.c:2071 hsr_create_tagged_frame+0x5cb/0x1190 hsr_forward_skb+0x1f91/0x3b40 net/hsr/hsr_forward.c:719 send_hsr_supervision_frame+0xb88/0xfe0 net/hsr/hsr_device.c:351 hsr_announce+0xfd/0x2a0 net/hsr/hsr_device.c:408 call_timer_fn+0x49/0x580 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers kernel/time/timer.c:2417 [inline] __run_timer_base+0x84e/0xe90 kernel/time/timer.c:2428 run_timer_base kernel/time/timer.c:2437 [inline] run_timer_softirq+0x3a/0x70 kernel/time/timer.c:2447 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0x68/0x120 kernel/softirq.c:637 irq_exit_rcu+0x12/0x20 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x83/0x90 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 CPU: 1 UID: 0 PID: 10721 Comm: syz.3.779 Not tainted 6.11.0-rc5-syzkaller-00079-g928f79a188aa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 =====================================================