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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
 smap_restore arch/x86/include/asm/smap.h:56 [inline]
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:37 [inline]
 __msan_metadata_ptr_for_store_4+0x2b/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
 can_send+0x92d/0x13c0 net/can/af_can.c:260
 bcm_can_tx+0x99d/0xcc0 net/can/bcm.c:302
 bcm_tx_timeout_handler+0x267/0x750
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x725/0x13d0 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x28f/0x420 kernel/time/hrtimer.c:1766
 __do_softirq+0x211/0x818 kernel/softirq.c:571
 run_ksoftirqd+0x37/0x50 kernel/softirq.c:934
 smpboot_thread_fn+0x603/0xbc0 kernel/smpboot.c:164
 kthread+0x3c7/0x500 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

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
 can_send+0x92d/0x13c0 net/can/af_can.c:260
 bcm_can_tx+0x99d/0xcc0 net/can/bcm.c:302
 bcm_tx_timeout_handler+0x267/0x750
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x725/0x13d0 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x28f/0x420 kernel/time/hrtimer.c:1766
 __do_softirq+0x211/0x818 kernel/softirq.c:571

CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.2.0-syzkaller-81151-g224e1375d540 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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