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BUG: KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object

write to 0xffff888101235474 of 4 bytes by task 4890 on cpu 1:
 fsnotify_detach_connector_from_object+0xcc/0x280 fs/notify/mark.c:253
 fsnotify_put_mark+0x198/0x3c0 fs/notify/mark.c:316
 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:819 [inline]
 __se_sys_inotify_rm_watch+0x105/0x180 fs/notify/inotify/inotify_user.c:793
 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:793
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

read to 0xffff888101235474 of 4 bytes by task 2778 on cpu 0:
 fsnotify_object_watched fs/notify/fsnotify.c:173 [inline]
 __fsnotify_parent+0xd4/0x370 fs/notify/fsnotify.c:203
 fsnotify_parent include/linux/fsnotify.h:83 [inline]
 fsnotify_file include/linux/fsnotify.h:106 [inline]
 fsnotify_open include/linux/fsnotify.h:376 [inline]
 do_dentry_open+0xa61/0xbe0 fs/open.c:1011
 vfs_open+0x4a/0x60 fs/open.c:1089
 do_open fs/namei.c:3642 [inline]
 path_openat+0x18ba/0x1d80 fs/namei.c:3799
 do_filp_open+0xf7/0x200 fs/namei.c:3826
 do_sys_openat2+0xab/0x120 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __x64_sys_openat+0xf3/0x120 fs/open.c:1432
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

value changed: 0x00002008 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 2778 Comm: udevd Tainted: G        W          6.9.0-rc2-syzkaller-00413-gf2f80ac80987 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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