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BUG: KCSAN: data-race in fifo_open / wait_for_partner

read-write to 0xffff88813b065eac of 4 bytes by task 18658 on cpu 0:
 put_pipe_info fs/pipe.c:704 [inline]
 fifo_open+0x2a6/0x5e0 fs/pipe.c:1214
 do_dentry_open+0x5b3/0x930 fs/open.c:920
 vfs_open+0x47/0x50 fs/open.c:1051
 do_open fs/namei.c:3560 [inline]
 path_openat+0x17e6/0x1d00 fs/namei.c:3715
 do_filp_open+0xf6/0x200 fs/namei.c:3742
 do_sys_openat2+0xb5/0x2a0 fs/open.c:1348
 do_sys_open fs/open.c:1364 [inline]
 __do_sys_creat fs/open.c:1440 [inline]
 __se_sys_creat fs/open.c:1434 [inline]
 __x64_sys_creat+0x66/0x90 fs/open.c:1434
 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 0xffff88813b065eac of 4 bytes by task 18671 on cpu 1:
 pipe_lock_nested fs/pipe.c:81 [inline]
 pipe_lock fs/pipe.c:90 [inline]
 wait_for_partner+0x105/0x1d0 fs/pipe.c:1081
 fifo_open+0x4cc/0x5e0 fs/pipe.c:1169
 do_dentry_open+0x5b3/0x930 fs/open.c:920
 vfs_open+0x47/0x50 fs/open.c:1051
 do_open fs/namei.c:3560 [inline]
 path_openat+0x17e6/0x1d00 fs/namei.c:3715
 do_filp_open+0xf6/0x200 fs/namei.c:3742
 file_open_name+0xf6/0x120 fs/open.c:1293
 acct_on kernel/acct.c:226 [inline]
 __do_sys_acct kernel/acct.c:305 [inline]
 __se_sys_acct+0xea/0x410 kernel/acct.c:292
 __x64_sys_acct+0x1f/0x30 kernel/acct.c:292
 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: 0x00000002 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 18671 Comm: syz-executor.4 Not tainted 6.3.0-rc4-syzkaller-00199-g7b50567bdcad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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