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BUG: KMSAN: uninit-value in native_apic_mem_write+0x7b/0x90 arch/x86/include/asm/apic.h:107
 native_apic_mem_write+0x7b/0x90 arch/x86/include/asm/apic.h:107
 apic_eoi arch/x86/include/asm/apic.h:399 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:445 [inline]
 __sysvec_reschedule_ipi arch/x86/kernel/smp.c:227 [inline]
 sysvec_reschedule_ipi+0x3d/0xf0 arch/x86/kernel/smp.c:225
 asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:672
 arch_stack_walk+0x278/0x3c0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x117/0x1a0 kernel/stacktrace.c:121
 kmsan_save_stack_with_flags mm/kmsan/core.c:78 [inline]
 kmsan_internal_chain_origin+0xa0/0x110 mm/kmsan/core.c:213
 kmsan_memmove_metadata+0x1f9/0x270 mm/kmsan/core.c:162
 __msan_memcpy+0x5e/0x90 mm/kmsan/instrumentation.c:111
 ieee80211_data_to_8023_exthdr+0x15ed/0x17c0 net/wireless/util.c:646
 ieee80211_data_to_8023 include/net/cfg80211.h:5775 [inline]
 __ieee80211_data_to_8023 net/mac80211/rx.c:2517 [inline]
 ieee80211_rx_h_data net/mac80211/rx.c:2994 [inline]
 ieee80211_rx_handlers+0x96d7/0xf120 net/mac80211/rx.c:3862
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3905 [inline]
 ieee80211_prepare_and_rx_handle+0x4f32/0x81d0 net/mac80211/rx.c:4619
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4741 [inline]
 ieee80211_rx_list+0x4aed/0x50f0 net/mac80211/rx.c:4901
 ieee80211_rx_napi+0x112/0x480 net/mac80211/rx.c:4924
 ieee80211_rx include/net/mac80211.h:4528 [inline]
 ieee80211_tasklet_handler+0x277/0x380 net/mac80211/main.c:235
 tasklet_action_common+0x5dd/0x810 kernel/softirq.c:784
 tasklet_action+0x30/0x40 kernel/softirq.c:805
 __do_softirq+0x1c9/0x72d kernel/softirq.c:559
 do_softirq+0x123/0x1c0 kernel/softirq.c:460
 __local_bh_enable_ip+0xab/0xb0 kernel/softirq.c:384
 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32
 rcu_read_unlock_bh include/linux/rcupdate.h:746 [inline]
 ip6_finish_output2+0x2469/0x2a40 net/ipv6/ip6_output.c:118
 __ip6_finish_output+0x925/0xee0 net/ipv6/ip6_output.c:182
 ip6_finish_output+0x15c/0x4d0 net/ipv6/ip6_output.c:192
 NF_HOOK_COND include/linux/netfilter.h:290 [inline]
 ip6_output+0x4ac/0x7f0 net/ipv6/ip6_output.c:215
 dst_output include/net/dst.h:448 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 mld_sendpack+0xc42/0x1450 net/ipv6/mcast.c:1820
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x135a/0x1ae0 net/ipv6/mcast.c:2652
 process_one_work+0xdd3/0x16d0 kernel/workqueue.c:2276
 worker_thread+0x1101/0x22b0 kernel/workqueue.c:2422
 kthread+0x4f9/0x610 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Local variable ----frag_off.i7@get_l4proto created at:
 ipv6_get_l4proto net/netfilter/nf_conntrack_core.c:361 [inline]
 get_l4proto+0x29e/0x810 net/netfilter/nf_conntrack_core.c:391
 nf_conntrack_in+0x46c/0x29a0 net/netfilter/nf_conntrack_core.c:1825
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