================================================================== BUG: KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object write to 0xffff888101075764 of 4 bytes by task 9945 on cpu 1: fsnotify_detach_connector_from_object+0xcc/0x280 fs/notify/mark.c:253 fsnotify_put_mark+0x192/0x3b0 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_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff888101075764 of 4 bytes by task 2773 on cpu 0: fsnotify_event_needs_parent fs/notify/fsnotify.c:161 [inline] __fsnotify_parent+0x128/0x480 fs/notify/fsnotify.c:202 fsnotify_parent include/linux/fsnotify.h:77 [inline] fsnotify_file include/linux/fsnotify.h:100 [inline] fsnotify_close include/linux/fsnotify.h:381 [inline] __fput+0x1da/0x630 fs/file_table.c:362 __fput_sync+0x44/0x50 fs/file_table.c:461 __do_sys_close fs/open.c:1554 [inline] __se_sys_close+0xfa/0x1a0 fs/open.c:1539 __x64_sys_close+0x1f/0x30 fs/open.c:1539 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00002008 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2773 Comm: udevd Not tainted 6.8.0-rc5-syzkaller-00163-gffd2cb6b718e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================