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BUG: KCSAN: data-race in __mod_timer / __mod_timer

write to 0xffff88811b406300 of 8 bytes by task 11857 on cpu 0:
 __mod_timer+0x625/0x890 kernel/time/timer.c:1121
 timer_reduce+0x22/0x30 kernel/time/timer.c:1216
 rxrpc_create+0x2af/0x2e0 net/rxrpc/af_rxrpc.c:794
 __sock_create+0x2d7/0x4e0 net/socket.c:1545
 sock_create net/socket.c:1596 [inline]
 __sys_socket_create net/socket.c:1633 [inline]
 __sys_socket+0x9f/0x220 net/socket.c:1661
 __do_sys_socket net/socket.c:1674 [inline]
 __se_sys_socket net/socket.c:1672 [inline]
 __x64_sys_socket+0x3f/0x50 net/socket.c:1672
 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

read to 0xffff88811b406300 of 8 bytes by task 11856 on cpu 1:
 __mod_timer+0x6e/0x890 kernel/time/timer.c:1033
 timer_reduce+0x22/0x30 kernel/time/timer.c:1216
 rxrpc_create+0x2af/0x2e0 net/rxrpc/af_rxrpc.c:794
 __sock_create+0x2d7/0x4e0 net/socket.c:1545
 sock_create net/socket.c:1596 [inline]
 __sys_socket_create net/socket.c:1633 [inline]
 __sys_socket+0x9f/0x220 net/socket.c:1661
 __do_sys_socket net/socket.c:1674 [inline]
 __se_sys_socket net/socket.c:1672 [inline]
 __x64_sys_socket+0x3f/0x50 net/socket.c:1672
 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: 0x0000000100012952 -> 0x00000001000121f0

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 11856 Comm: syz-executor.2 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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