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BUG: KCSAN: data-race in try_to_unmap_one / try_to_unmap_one

read to 0xffff888115d70628 of 8 bytes by task 20079 on cpu 0:
 update_hiwater_rss include/linux/mm.h:2695 [inline]
 try_to_unmap_one+0x80e/0x1650 mm/rmap.c:1779
 rmap_walk_anon+0x28f/0x440 mm/rmap.c:2605
 try_to_unmap+0xe9/0x110
 shrink_folio_list+0xf83/0x2560 mm/vmscan.c:1278
 shrink_inactive_list mm/vmscan.c:1944 [inline]
 shrink_list mm/vmscan.c:2179 [inline]
 shrink_lruvec+0xbd9/0x15f0 mm/vmscan.c:5703
 shrink_node_memcgs mm/vmscan.c:5889 [inline]
 shrink_node+0x9d1/0x13c0 mm/vmscan.c:5924
 shrink_zones mm/vmscan.c:6168 [inline]
 do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6230
 try_to_free_mem_cgroup_pages+0x1eb/0x4e0 mm/vmscan.c:6545
 try_charge_memcg+0x27a/0xcd0 mm/memcontrol.c:2944
 try_charge mm/memcontrol.c:3092 [inline]
 charge_memcg mm/memcontrol.c:7495 [inline]
 __mem_cgroup_charge+0x63/0x100 mm/memcontrol.c:7510
 mem_cgroup_charge include/linux/memcontrol.h:691 [inline]
 folio_prealloc mm/memory.c:1056 [inline]
 wp_page_copy mm/memory.c:3291 [inline]
 do_wp_page+0x64a/0x22b0 mm/memory.c:3683
 handle_pte_fault mm/memory.c:5396 [inline]
 __handle_mm_fault mm/memory.c:5523 [inline]
 handle_mm_fault+0xb9b/0x2a80 mm/memory.c:5688
 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x296/0x650 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
 rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:65
 copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
 copy_to_user_iter lib/iov_iter.c:25 [inline]
 iterate_iovec include/linux/iov_iter.h:51 [inline]
 iterate_and_advance2 include/linux/iov_iter.h:247 [inline]
 iterate_and_advance include/linux/iov_iter.h:271 [inline]
 _copy_to_iter+0x2c5/0xaf0 lib/iov_iter.c:185
 copy_page_to_iter+0x171/0x2b0 lib/iov_iter.c:362
 process_vm_rw_pages mm/process_vm_access.c:45 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:118 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x5f0/0x8c0 mm/process_vm_access.c:284
 __do_sys_process_vm_readv mm/process_vm_access.c:296 [inline]
 __se_sys_process_vm_readv mm/process_vm_access.c:292 [inline]
 __x64_sys_process_vm_readv+0x7a/0x90 mm/process_vm_access.c:292
 x64_sys_call+0x2597/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:311
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

write to 0xffff888115d70628 of 8 bytes by task 20077 on cpu 1:
 update_hiwater_rss include/linux/mm.h:2696 [inline]
 try_to_unmap_one+0x82f/0x1650 mm/rmap.c:1779
 rmap_walk_anon+0x28f/0x440 mm/rmap.c:2605
 try_to_unmap+0xe9/0x110
 shrink_folio_list+0xf83/0x2560 mm/vmscan.c:1278
 shrink_inactive_list mm/vmscan.c:1944 [inline]
 shrink_list mm/vmscan.c:2179 [inline]
 shrink_lruvec+0xbd9/0x15f0 mm/vmscan.c:5703
 shrink_node_memcgs mm/vmscan.c:5889 [inline]
 shrink_node+0x9d1/0x13c0 mm/vmscan.c:5924
 shrink_zones mm/vmscan.c:6168 [inline]
 do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6230
 try_to_free_mem_cgroup_pages+0x1eb/0x4e0 mm/vmscan.c:6545
 try_charge_memcg+0x27a/0xcd0 mm/memcontrol.c:2944
 obj_cgroup_charge_pages+0xbd/0x1d0 mm/memcontrol.c:3416
 __memcg_kmem_charge_page+0x9d/0x170 mm/memcontrol.c:3442
 __alloc_pages_noprof+0x1bc/0x360 mm/page_alloc.c:4695
 alloc_pages_mpol_noprof+0xb1/0x1e0 mm/mempolicy.c:2265
 alloc_pages_noprof+0xe1/0x100 mm/mempolicy.c:2336
 vm_area_alloc_pages mm/vmalloc.c:3566 [inline]
 __vmalloc_area_node mm/vmalloc.c:3642 [inline]
 __vmalloc_node_range_noprof+0x719/0xef0 mm/vmalloc.c:3823
 kvmalloc_node_noprof+0x121/0x170 mm/util.c:659
 ip_set_alloc+0x1f/0x30 net/netfilter/ipset/ip_set_core.c:255
 hash_netiface_create+0x273/0x730 net/netfilter/ipset/ip_set_hash_gen.h:1568
 ip_set_create+0x359/0x8a0 net/netfilter/ipset/ip_set_core.c:1103
 nfnetlink_rcv_msg+0x4a9/0x570 net/netfilter/nfnetlink.c:302
 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2564
 nfnetlink_rcv+0x16c/0x15b0 net/netfilter/nfnetlink.c:664
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x58d/0x660 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x5ca/0x6e0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x140/0x180 net/socket.c:745
 ____sys_sendmsg+0x312/0x410 net/socket.c:2585
 ___sys_sendmsg net/socket.c:2639 [inline]
 __sys_sendmsg+0x1e9/0x280 net/socket.c:2668
 __do_sys_sendmsg net/socket.c:2677 [inline]
 __se_sys_sendmsg net/socket.c:2675 [inline]
 __x64_sys_sendmsg+0x46/0x50 net/socket.c:2675
 x64_sys_call+0xb25/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x0000000000000869 -> 0x00000000000009d3

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 20077 Comm: syz-executor.3 Tainted: G        W          6.10.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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