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BUG: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg

write to 0xffff8881613bb220 of 4 bytes by task 28147 on cpu 0:
 netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994
 sock_recvmsg_nosec net/socket.c:1027 [inline]
 sock_recvmsg net/socket.c:1049 [inline]
 __sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229
 __do_sys_recvfrom net/socket.c:2247 [inline]
 __se_sys_recvfrom net/socket.c:2243 [inline]
 __x64_sys_recvfrom+0x78/0x90 net/socket.c:2243
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

write to 0xffff8881613bb220 of 4 bytes by task 28146 on cpu 1:
 netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994
 sock_recvmsg_nosec net/socket.c:1027 [inline]
 sock_recvmsg net/socket.c:1049 [inline]
 __sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229
 __do_sys_recvfrom net/socket.c:2247 [inline]
 __se_sys_recvfrom net/socket.c:2243 [inline]
 __x64_sys_recvfrom+0x78/0x90 net/socket.c:2243
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x00000000 -> 0x00000016

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 28146 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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