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BUG: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg

write to 0xffff888167e9cb38 of 8 bytes by task 12125 on cpu 0:
 netlink_recvmsg+0x12c/0x740 net/netlink/af_netlink.c:1968
 ____sys_recvmsg+0x162/0x2f0
 ___sys_recvmsg net/socket.c:2753 [inline]
 __sys_recvmsg+0x1fd/0x3d0 net/socket.c:2783
 __do_sys_recvmsg net/socket.c:2793 [inline]
 __se_sys_recvmsg net/socket.c:2790 [inline]
 __x64_sys_recvmsg+0x42/0x50 net/socket.c:2790
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

read to 0xffff888167e9cb38 of 8 bytes by task 12128 on cpu 1:
 netlink_recvmsg+0xee/0x740 net/netlink/af_netlink.c:1967
 ____sys_recvmsg+0x162/0x2f0
 ___sys_recvmsg net/socket.c:2753 [inline]
 do_recvmmsg+0x53a/0xa30 net/socket.c:2847
 __sys_recvmmsg net/socket.c:2928 [inline]
 __do_sys_recvmmsg net/socket.c:2949 [inline]
 __se_sys_recvmmsg net/socket.c:2942 [inline]
 __x64_sys_recvmmsg+0xf5/0x160 net/socket.c:2942
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

value changed: 0x0000000000000000 -> 0x0000000000000403

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 12128 Comm: syz-executor.3 Not tainted 5.19.0-rc1-syzkaller-00023-g34f4335c16a5-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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