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BUG: KCSAN: data-race in fifo_open / wait_for_partner

write to 0xffff88813d0ed96c of 4 bytes by task 8668 on cpu 1:
 put_pipe_info fs/pipe.c:703 [inline]
 fifo_open+0x302/0x680 fs/pipe.c:1211
 do_dentry_open+0x52c/0x860 fs/open.c:824
 vfs_open+0x43/0x50 fs/open.c:959
 do_open fs/namei.c:3476 [inline]
 path_openat+0x170c/0x1f30 fs/namei.c:3609
 do_filp_open+0x105/0x220 fs/namei.c:3636
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1214
 do_sys_open fs/open.c:1230 [inline]
 __do_sys_creat fs/open.c:1306 [inline]
 __se_sys_creat fs/open.c:1300 [inline]
 __x64_sys_creat+0x62/0x80 fs/open.c:1300
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff88813d0ed96c of 4 bytes by task 8684 on cpu 0:
 pipe_lock_nested fs/pipe.c:81 [inline]
 pipe_lock fs/pipe.c:90 [inline]
 wait_for_partner+0xe0/0x1d0 fs/pipe.c:1078
 fifo_open+0x551/0x680 fs/pipe.c:1166
 do_dentry_open+0x52c/0x860 fs/open.c:824
 vfs_open+0x43/0x50 fs/open.c:959
 do_open fs/namei.c:3476 [inline]
 path_openat+0x170c/0x1f30 fs/namei.c:3609
 do_filp_open+0x105/0x220 fs/namei.c:3636
 file_open_name+0xf2/0x120 fs/open.c:1159
 acct_on kernel/acct.c:206 [inline]
 __do_sys_acct kernel/acct.c:285 [inline]
 __se_sys_acct+0xec/0x420 kernel/acct.c:272
 __x64_sys_acct+0x1b/0x20 kernel/acct.c:272
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x00000002 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8684 Comm: syz-executor.5 Not tainted 5.17.0-rc1-syzkaller-00431-g8dd71685dcb7-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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Process accounting resumed