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BUG: KCSAN: data-race in __zone_watermark_ok / get_page_from_freelist

read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 0:
 __zone_watermark_ok+0x106/0x240 mm/page_alloc.c:3444
 zone_watermark_fast mm/page_alloc.c:3494 [inline]
 get_page_from_freelist+0x629/0x2300 mm/page_alloc.c:3635
 __alloc_pages_nodemask+0x255/0x4d0 mm/page_alloc.c:4714
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 alloc_pages_node include/linux/gfp.h:500 [inline]
 __page_frag_cache_refill mm/page_alloc.c:4816 [inline]
 page_frag_alloc+0x11e/0x2d0 mm/page_alloc.c:4846
 __napi_alloc_skb+0x172/0x210 net/core/skbuff.c:519
 napi_alloc_skb include/linux/skbuff.h:2813 [inline]
 page_to_skb+0x8d/0x480 drivers/net/virtio_net.c:384
 receive_mergeable drivers/net/virtio_net.c:924 [inline]
 receive_buf+0x17c7/0x30b0 drivers/net/virtio_net.c:1033
 virtnet_receive drivers/net/virtio_net.c:1323 [inline]
 virtnet_poll+0x436/0x7d0 drivers/net/virtio_net.c:1428
 napi_poll net/core/dev.c:6352 [inline]
 net_rx_action+0x3ae/0xa50 net/core/dev.c:6418
 __do_softirq+0x115/0x33f kernel/softirq.c:292
 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603
 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165
 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

write to 0xffff88812fffcf58 of 8 bytes by task 7204 on cpu 1:
 del_page_from_free_area include/linux/mmzone.h:151 [inline]
 __rmqueue_smallest mm/page_alloc.c:2191 [inline]
 __rmqueue mm/page_alloc.c:2711 [inline]
 rmqueue_bulk mm/page_alloc.c:2738 [inline]
 __rmqueue_pcplist mm/page_alloc.c:3209 [inline]
 rmqueue_pcplist mm/page_alloc.c:3237 [inline]
 rmqueue mm/page_alloc.c:3259 [inline]
 get_page_from_freelist+0x1217/0x2300 mm/page_alloc.c:3677
 __alloc_pages_nodemask+0x255/0x4d0 mm/page_alloc.c:4714
 alloc_pages_vma+0x15b/0x2b0 mm/mempolicy.c:2116
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:208 [inline]
 do_anonymous_page mm/memory.c:2993 [inline]
 handle_pte_fault mm/memory.c:3838 [inline]
 __handle_mm_fault+0x17ac/0x2d00 mm/memory.c:3964
 handle_mm_fault+0x21b/0x520 mm/memory.c:4001
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x3fb/0x9e0 arch/x86/mm/fault.c:1506
 do_page_fault+0x54/0x233 arch/x86/mm/fault.c:1530
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1202

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 7204 Comm: syz-fuzzer Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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