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BUG: KCSAN: data-race in unix_poll / unix_release_sock

write to 0xffff888123e28fe0 of 4 bytes by task 6604 on cpu 1:
 unix_release_sock+0x41a/0x7b0 net/unix/af_unix.c:632
 unix_release+0x4e/0x70 net/unix/af_unix.c:1041
 __sock_release net/socket.c:650 [inline]
 sock_close+0x6c/0x150 net/socket.c:1365
 __fput+0x245/0x570 fs/file_table.c:320
 ____fput+0x11/0x20 fs/file_table.c:348
 task_work_run+0xde/0x110 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x124/0x130 kernel/entry/common.c:171
 exit_to_user_mode_prepare kernel/entry/common.c:203 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x6a/0x90 kernel/entry/common.c:296
 do_syscall_64+0x37/0x70 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888123e28fe0 of 4 bytes by task 6593 on cpu 0:
 unix_poll+0x6d/0x250 net/unix/af_unix.c:3161
 sock_poll+0x23e/0x260 net/socket.c:1353
 vfs_poll include/linux/poll.h:88 [inline]
 __io_arm_poll_handler+0x209/0x900 io_uring/poll.c:577
 io_arm_poll_handler+0x43f/0x570 io_uring/poll.c:702
 io_queue_async+0x81/0x490 io_uring/io_uring.c:2001
 io_queue_sqe io_uring/io_uring.c:2032 [inline]
 io_submit_sqe+0x6fe/0xa50 io_uring/io_uring.c:2281
 io_submit_sqes+0x274/0x550 io_uring/io_uring.c:2392
 __do_sys_io_uring_enter io_uring/io_uring.c:3340 [inline]
 __se_sys_io_uring_enter+0x1ef/0xc40 io_uring/io_uring.c:3272
 __x64_sys_io_uring_enter+0x74/0x80 io_uring/io_uring.c:3272
 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+0x63/0xcd

value changed: 0x00000000 -> 0x00000068

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6593 Comm: syz-executor.2 Tainted: G        W          6.2.0-rc2-syzkaller-00010-g69b41ac87e4a-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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