==================================================================
BUG: KCSAN: data-race in io_submit_sqes / io_uring_poll

read-write to 0xffff88813d488870 of 4 bytes by task 21495 on cpu 0:
 io_get_sqe io_uring/io_uring.c:2229 [inline]
 io_submit_sqes+0x1f1/0x530 io_uring/io_uring.c:2275
 __do_sys_io_uring_enter io_uring/io_uring.c:3220 [inline]
 __se_sys_io_uring_enter+0x1ef/0xc00 io_uring/io_uring.c:3152
 __x64_sys_io_uring_enter+0x74/0x80 io_uring/io_uring.c:3152
 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

read to 0xffff88813d488870 of 4 bytes by task 21541 on cpu 1:
 io_sqring_full io_uring/io_uring.h:228 [inline]
 io_uring_poll+0x8e/0x1a0 io_uring/io_uring.c:2659
 vfs_poll include/linux/poll.h:88 [inline]
 __io_arm_poll_handler+0x216/0x6f0 io_uring/poll.c:539
 io_arm_poll_handler+0x43f/0x570 io_uring/poll.c:662
 io_queue_async+0x7e/0x350 io_uring/io_uring.c:1894
 io_queue_sqe io_uring/io_uring.c:1925 [inline]
 io_submit_sqe+0x700/0xa40 io_uring/io_uring.c:2174
 io_submit_sqes+0x274/0x530 io_uring/io_uring.c:2285
 __do_sys_io_uring_enter io_uring/io_uring.c:3220 [inline]
 __se_sys_io_uring_enter+0x1ef/0xc00 io_uring/io_uring.c:3152
 __x64_sys_io_uring_enter+0x74/0x80 io_uring/io_uring.c:3152
 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: 0x0000147b -> 0x0000147e

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 21541 Comm: syz-executor.4 Not tainted 6.1.0-rc5-syzkaller-00015-g81e7cfa3a9eb-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
==================================================================