syzbot

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BUG: KCSAN: data-race in __se_sys_io_uring_register / io_sqe_buffers_register

read-write to 0xffff888160c7b0a4 of 4 bytes by task 32395 on cpu 1:
 io_sqe_buffers_register+0x29d/0x390 io_uring/rsrc.c:1028
 io_register_rsrc+0x1b5/0x1e0 io_uring/rsrc.c:548
 __do_sys_io_uring_register io_uring/register.c:598 [inline]
 __se_sys_io_uring_register+0x956/0x10e0 io_uring/register.c:559
 __x64_sys_io_uring_register+0x55/0x60 io_uring/register.c:559
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff888160c7b0a4 of 4 bytes by task 32396 on cpu 0:
 __do_sys_io_uring_register io_uring/register.c:600 [inline]
 __se_sys_io_uring_register+0xa06/0x10e0 io_uring/register.c:559
 __x64_sys_io_uring_register+0x55/0x60 io_uring/register.c:559
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 32396 Comm: syz-executor.2 Tainted: G        W          6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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