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BUG: KCSAN: data-race in tcp_disconnect / tcp_poll

write to 0xffff888135e137b8 of 1 bytes by task 5917 on cpu 0:
 tcp_disconnect+0x5ed/0xe70 net/ipv4/tcp.c:2977
 __inet_stream_connect+0x621/0x6e0 net/ipv4/af_inet.c:712
 inet_stream_connect+0x44/0x70 net/ipv4/af_inet.c:724
 __sys_connect_file+0xd3/0xe0 net/socket.c:1896
 io_connect fs/io_uring.c:5246 [inline]
 io_issue_sqe+0x2cab/0x55e0 fs/io_uring.c:6712
 __io_queue_sqe+0x20/0x440 fs/io_uring.c:7018
 io_queue_sqe fs/io_uring.c:7060 [inline]
 io_submit_sqe+0x77a/0x47d3 fs/io_uring.c:7263
 io_submit_sqes+0x25d/0x670 fs/io_uring.c:7369
 __io_sq_thread fs/io_uring.c:7435 [inline]
 io_sq_thread+0x61d/0xc00 fs/io_uring.c:7504
 ret_from_fork+0x1f/0x30

read to 0xffff888135e137b8 of 1 bytes by task 5912 on cpu 1:
 tcp_poll+0x2b9/0x580 net/ipv4/tcp.c:558
 sock_poll+0x23e/0x260 net/socket.c:1302
 vfs_poll include/linux/poll.h:90 [inline]
 __io_arm_poll_handler+0x1a8/0x780 fs/io_uring.c:5617
 io_arm_poll_handler+0x25e/0x3d0 fs/io_uring.c:5683
 io_queue_sqe_arm_apoll fs/io_uring.c:6995 [inline]
 __io_queue_sqe+0x16b/0x440 fs/io_uring.c:7033
 io_queue_sqe fs/io_uring.c:7060 [inline]
 io_submit_sqe+0x77a/0x47d3 fs/io_uring.c:7263
 io_submit_sqes+0x25d/0x670 fs/io_uring.c:7369
 __io_sq_thread fs/io_uring.c:7435 [inline]
 io_sq_thread+0x61d/0xc00 fs/io_uring.c:7504
 ret_from_fork+0x1f/0x30

value changed: 0x03 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5912 Comm: iou-sqp-5909 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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