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BUG: KMSAN: uninit-value in native_apic_mem_write+0x72/0x90 arch/x86/include/asm/apic.h:105
 native_apic_mem_write+0x72/0x90 arch/x86/include/asm/apic.h:105
 apic_eoi arch/x86/include/asm/apic.h:398 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:444 [inline]
 __sysvec_reschedule_ipi arch/x86/kernel/smp.c:227 [inline]
 sysvec_reschedule_ipi+0x35/0x120 arch/x86/kernel/smp.c:225
 asm_sysvec_reschedule_ipi+0x1f/0x30 arch/x86/include/asm/idtentry.h:654
 virt_to_page_or_null mm/kmsan/shadow.c:75 [inline]
 kmsan_get_metadata+0x1f1/0x2c0 mm/kmsan/shadow.c:143
 kmsan_get_shadow_origin_ptr+0x4d/0xa0 mm/kmsan/shadow.c:102
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline]
 __msan_metadata_ptr_for_store_4+0x27/0x40 mm/kmsan/instrumentation.c:91
 __skb_dst_copy include/net/dst.h:275 [inline]
 skb_dst_copy include/net/dst.h:283 [inline]
 __copy_skb_header+0x24d/0xac0 net/core/skbuff.c:1192
 __skb_clone+0xa2/0xa40 net/core/skbuff.c:1243
 skb_clone+0x4a9/0x670 net/core/skbuff.c:1721
 hsr_create_tagged_frame+0x6f8/0x12f0
 hsr_forward_skb+0x22aa/0x3820 net/hsr/hsr_forward.c:620
 send_hsr_supervision_frame+0x920/0xe20 net/hsr/hsr_device.c:326
 hsr_announce+0x100/0x2a0 net/hsr/hsr_device.c:382
 call_timer_fn+0x8d/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x94f/0x11c0 kernel/time/timer.c:2022
 run_timer_softirq+0x75/0xf0 kernel/time/timer.c:2035
 __do_softirq+0x211/0x818 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x117/0x260 kernel/softirq.c:650
 irq_exit_rcu+0x12/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:649
 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
 arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
 acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:570 [inline]
 acpi_idle_enter+0x746/0x8e0 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x98d/0x1c80 drivers/cpuidle/cpuidle.c:239
 cpuidle_enter+0xf8/0x180 drivers/cpuidle/cpuidle.c:356
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x66f/0x810 kernel/sched/idle.c:303
 cpu_startup_entry+0x40/0x50 kernel/sched/idle.c:400
 start_secondary+0x116/0x120 arch/x86/kernel/smpboot.c:264
 secondary_startup_64_no_verify+0xcf/0xdb

Uninit was created at:
 slab_post_alloc_hook+0x271/0xf70 mm/slab.h:766
 slab_alloc_node mm/slub.c:3452 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc+0x586/0xb40 mm/slub.c:3476
 skb_clone+0x3ec/0x670 net/core/skbuff.c:1714
 hsr_create_tagged_frame+0x6f8/0x12f0
 hsr_forward_skb+0x22aa/0x3820 net/hsr/hsr_forward.c:620
 send_hsr_supervision_frame+0x920/0xe20 net/hsr/hsr_device.c:326
 hsr_announce+0x100/0x2a0 net/hsr/hsr_device.c:382
 call_timer_fn+0x8d/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x94f/0x11c0 kernel/time/timer.c:2022
 run_timer_softirq+0x75/0xf0 kernel/time/timer.c:2035
 __do_softirq+0x211/0x818 kernel/softirq.c:571

CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc8-syzkaller-80999-g31b504f219a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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