=====================================================
BUG: KMSAN: uninit-value in skb_release_data+0xc3d/0x1140 net/core/skbuff.c:1120
 skb_release_data+0xc3d/0x1140 net/core/skbuff.c:1120
 skb_release_all net/core/skbuff.c:1188 [inline]
 __kfree_skb+0x6b/0x250 net/core/skbuff.c:1202
 sk_skb_reason_drop+0x132/0x510 net/core/skbuff.c:1240
 kfree_skb_reason include/linux/skbuff.h:1260 [inline]
 kfree_skb include/linux/skbuff.h:1269 [inline]
 ath9k_hif_usb_reg_in_cb+0x63d/0x970 drivers/net/wireless/ath/ath9k/hif_usb.c:800
 __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
 hlist_nulls_empty include/linux/list_nulls.h:88 [inline]
 get_next_corpse net/netfilter/nf_conntrack_core.c:2353 [inline]
 nf_ct_iterate_cleanup+0x103/0xa10 net/netfilter/nf_conntrack_core.c:2404
 nf_ct_iterate_cleanup_net+0x10e/0x160 net/netfilter/nf_conntrack_core.c:2425
 iterate_cleanup_work+0xbd/0x260 net/netfilter/nf_nat_masquerade.c:87
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3312
 worker_thread+0xea5/0x1520 kernel/workqueue.c:3390
 kthread+0x3e2/0x540 kernel/kthread.c:389
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was created at:
 __alloc_pages_noprof+0x9d6/0xe70 mm/page_alloc.c:4706
 __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:2304 [inline]
 allocate_slab+0x20a/0x1550 mm/slub.c:2467
 new_slab mm/slub.c:2520 [inline]
 ___slab_alloc+0x12ef/0x35e0 mm/slub.c:3706
 __slab_alloc mm/slub.c:3796 [inline]
 __slab_alloc_node mm/slub.c:3849 [inline]
 slab_alloc_node mm/slub.c:4016 [inline]
 kmem_cache_alloc_node_noprof+0x5fd/0xb80 mm/slub.c:4071
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583
 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674
 alloc_skb include/linux/skbuff.h:1320 [inline]
 ndisc_alloc_skb+0x126/0x4d0 net/ipv6/ndisc.c:422
 ndisc_send_rs+0x376/0xae0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x488/0x6f0 net/ipv6/addrconf.c:4040
 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 PID: 5670 Comm: kworker/1:11 Tainted: G        W          6.10.0-syzkaller-11185-g2c9b3512402e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: events iterate_cleanup_work
=====================================================