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BUG: KCSAN: data-race in compact_zone / isolate_migratepages_block

read to 0xffff88823fffad90 of 8 bytes by task 11648 on cpu 1:
 compact_zone+0x21d5/0x2720 mm/compaction.c:2517
 compact_zone_order mm/compaction.c:2668 [inline]
 try_to_compact_pages+0x39b/0x930 mm/compaction.c:2729
 __alloc_pages_direct_compact+0x75/0x1f0 mm/page_alloc.c:3525
 __alloc_pages_slowpath+0x232/0xd90 mm/page_alloc.c:4119
 __alloc_pages+0x25d/0x340 mm/page_alloc.c:4581
 alloc_pages_mpol+0xb1/0x1d0 mm/mempolicy.c:2133
 alloc_pages+0xe0/0x100 mm/mempolicy.c:2204
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x6d2/0xea0 mm/vmalloc.c:3320
 kvmalloc_node+0x121/0x160 mm/util.c:642
 kvmalloc include/linux/slab.h:738 [inline]
 kvmalloc_array include/linux/slab.h:756 [inline]
 kvcalloc include/linux/slab.h:761 [inline]
 check_btf_func_early kernel/bpf/verifier.c:15844 [inline]
 check_btf_info_early kernel/bpf/verifier.c:16221 [inline]
 bpf_check+0x17c6/0x90a0 kernel/bpf/verifier.c:20842
 bpf_prog_load+0xda6/0xf50 kernel/bpf/syscall.c:2716
 __sys_bpf+0x41c/0x780 kernel/bpf/syscall.c:5383
 __do_sys_bpf kernel/bpf/syscall.c:5487 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5485 [inline]
 __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5485
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

write to 0xffff88823fffad90 of 8 bytes by task 11646 on cpu 0:
 update_cached_migrate mm/compaction.c:473 [inline]
 isolate_migratepages_block+0x1cd1/0x1f40 mm/compaction.c:1259
 isolate_migratepages mm/compaction.c:2052 [inline]
 compact_zone+0x1c6c/0x2720 mm/compaction.c:2508
 compact_zone_order mm/compaction.c:2668 [inline]
 try_to_compact_pages+0x39b/0x930 mm/compaction.c:2729
 __alloc_pages_direct_compact+0x75/0x1f0 mm/page_alloc.c:3525
 __alloc_pages_slowpath+0x232/0xd90 mm/page_alloc.c:4119
 __alloc_pages+0x25d/0x340 mm/page_alloc.c:4581
 alloc_pages_mpol+0xb1/0x1d0 mm/mempolicy.c:2133
 alloc_pages+0xe0/0x100 mm/mempolicy.c:2204
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x6d2/0xea0 mm/vmalloc.c:3320
 kvmalloc_node+0x121/0x160 mm/util.c:642
 kvmalloc include/linux/slab.h:738 [inline]
 kvmalloc_array include/linux/slab.h:756 [inline]
 kvcalloc include/linux/slab.h:761 [inline]
 check_btf_func_early kernel/bpf/verifier.c:15844 [inline]
 check_btf_info_early kernel/bpf/verifier.c:16221 [inline]
 bpf_check+0x17c6/0x90a0 kernel/bpf/verifier.c:20842
 bpf_prog_load+0xda6/0xf50 kernel/bpf/syscall.c:2716
 __sys_bpf+0x41c/0x780 kernel/bpf/syscall.c:5383
 __do_sys_bpf kernel/bpf/syscall.c:5487 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5485 [inline]
 __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5485
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x000000000016d200 -> 0x000000000016f800

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 11646 Comm: syz-executor.4 Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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